43rd week of 2017 patent applcation highlights part 65 |
Patent application number | Title | Published |
20170309881 | SECONDARY BATTERY - A secondary battery includes: an electrode assembly; a case accommodating the electrode assembly; and a cap assembly coupled to a top portion of the case. The cap assembly includes a safety vent and a cap-up. The cap-up has grooves on a surface thereof. The safety vent includes a downwardly protruding portion, is under the cap-up, and is electrically connected to the electrode assembly at the protruding portion. | 2017-10-26 |
20170309882 | Laminar Battery System - A battery system comprises a plurality of substantially planar layers extending over transverse areas. The plurality of layers comprises at least one cathode layer, at least one anode layer, and at least one separator layer therebetween. | 2017-10-26 |
20170309883 | LAMINATED POLYOLEFIN MICROPOROUS MEMBRANE, BATTERY SEPARATOR, AND PRODUCTION METHOD THEREOF - A laminated polyolefin microporous membrane is disclosed. The laminated polyolefin microporous membrane includes a first polyolefin microporous membrane, and a second polyolefin microporous membrane. A shutdown temperature of the laminated polyolefin microporous membrane is from 128° C. to 135° C., an air permeation resistance increase rate from 30° C. to 105° C. per 20 μm of thickness of the laminated polyolefin microporous membrane is less than 1.5 sec/100 cc Air/° C., and a variation range in an F25 value of the laminated polyolefin microporous membrane in a longitudinal direction is not greater than 1 MPa. The F25 value represents a value determined by dividing the load at 25% elongation of a sample of the laminated polyolefin microporous membrane as measured with a tensile tester by the cross-sectional area of the sample polyolefin microporous membrane. | 2017-10-26 |
20170309884 | BATTERY - A battery includes a first power generation element, a first outer cover body which encloses the first power generation element, and a first planar electrode having, as principal surfaces, a first connecting surface and a first protruding surface opposite the first connecting surface. The first connecting surface is electrically connected to the first power generation element. The first outer cover body includes a first covering portion provided with a first opening. The first protruding surface protrudes from the first opening toward an outside of the first covering portion. The first covering portion is joined to at least one of the first planar electrode and the first power generation element. | 2017-10-26 |
20170309885 | ENERGY STORAGE DEVICE - An energy storage device includes a positive electrode current collector and a negative electrode current collector which respectively have electric conductivity and are joined to each other, and cover members. The energy storage device includes swaged joint portions which join the positive electrode current collector and the cover members to each other, and are engaged with each other by fitting engagement by a concavo-convex fitting engagement structure which projects from the positive electrode current collector toward the cover members, and swaged joint portions which join the negative electrode current collector and the cover members to each other and, are engaged with each other by fitting engagement by a concavo-convex fitting engagement structure which projects from the negative electrode current collector toward the cover members. The cover members respectively include a strip-shaped projection which forms a rigidity changing part on the side of the swaged joint portion. | 2017-10-26 |
20170309886 | ENERGY STORAGE DEVICE - An energy storage device comprising: electrode terminals; an electrode assembly formed by stacking a positive electrode plate and a negative electrode plate; and current collectors which connect the electrode terminals and the electrode assembly to each other, wherein at least one of the positive electrode plate and the negative electrode plate has a plurality of tab groups which are joined to the current collector, each tab group being formed by stacking one or more tabs projecting toward the electrode terminal, and at least one tab group among the tab groups and the current collector has a swaged joint portion, the swaged joint portion projecting from either one of the tab group or the current collector to the other of the tab group or the current collector. | 2017-10-26 |
20170309887 | PRODUCTION METHOD AND PRODUCTION APPARATUS OF ELECTRODE FOR SECONDARY BATTERY, ELECTRODE FOR SECONDARY BATTERY, AND SECONDARY BATTERY - An electrode for a secondary battery including an electrode laminated assembly that has a configuration in which electrodes and a separator are laminated, includes current collector | 2017-10-26 |
20170309888 | COATING PARTICLES OF ACTIVE ELECTRODE MATERIAL FOR LITHIUM SECONDARY BATTERIES - Particles of active electrode material for a lithium secondary battery are coated with a precursor material which is either a carbon-based polymer or a metal and oxygen containing compound. The precursor material-coated particles are injected into a gas stream and momentarily exposed to an atmospheric plasma at a predetermined energy level and temperature up to about 3500° C. The plasma treatment converts (i) the carbon polymer to submicron size carbon particles or (ii) the metal compound to metal oxide particles on the surfaces of the particles of electrode material. In preferred embodiments of the invention the plasma treated coated active electrode material particles are carried by the gas stream and deposited onto an electrode material bearing substrate for a lithium battery cell. | 2017-10-26 |
20170309889 | BINDER COMPOSITION FOR LITHIUM-ION SECONDARY BATTERY ELECTRODE - The present invention relates to a binder composition for lithium-ion secondary battery electrodes. Recently, there is a need for a lithium-ion secondary battery which has the excellent property of accommodating an abnormal situation so that in cases when the battery has heated up abnormally or is in an abnormally high-temperature environment, the battery can lower the charge/discharge performance thereof. The present invention solves the above-mentioned problem by using, as a binder for electrodes, composite polymer particles obtained by polymerizing, in an aqueous medium, a monomer solution containing a polymer. | 2017-10-26 |
20170309890 | ACTIVE MATERIAL FOR ALL-SOLID LITHIUM SECONDARY BATTERY, METHOD FOR MANUFACTURING SAME, AND ALL-SOLID LITHIUM SECONDARY BATTERY COMPRISING SAME - The present invention relates to an oxide active material surface-treated with a lithium compound, a method for preparing the same, and an all-solid lithium secondary battery capable of effectively suppressing an interface reaction in a solid electrolyte by adopting the same. In the all-solid lithium secondary battery comprising an electrode containing a positive electrode active material and a sulfide-based solid electrolyte, the positive electrode active material according to the present invention can significantly improve battery characteristics since a coating layer formed of a lithium compound is formed while surrounding a particle surface to act as a functional coating layer which suppresses the interface reaction of the sulfide-based solid electrolyte and the electrode. In addition, in cases where the active material is synthesized and coated with a lithium compound at the same time, a lithium salt and a transition metal salt are dissolved in a solvent through stirring, to prepare a solution, followed by drying and heat treatment, and here, the prepared active material has a form in which a mixture generated from an excessive amount of lithium salt which is synthesized and then remains on the particle surface having a structure capable of absorbing and releasing lithium is coated on the particle surface to form a coating layer. In addition, in cases where the previously synthesized active material is coated with a lithium compound, the active material and a lithium salt are dissolved in a solvent through stirring, followed by drying and heat-treatment, and here, the prepared active material has a form in which a mixture generated from an excessive amount of lithium salt which is synthesized and then remains on the particle surface having a structure capable of absorbing and releasing lithium is coated on the particle surface to for m a coating layer. | 2017-10-26 |
20170309891 | SECONDARY BATTERY-USE ACTIVE MATERIAL, SECONDARY BATTERY-USE ELECTRODE, SECONDARY BATTERY, BATTERY PACK, ELECTRIC VEHICLE, ELECTRIC POWER STORAGE SYSTEM, ELECTRIC POWER TOOL, AND ELECTRONIC APPARATUS - The present invention provides a secondary battery-use active material that allows for an improvement in thermal stability after charge and discharge are repeated. The secondary battery-use active material of the present invention includes a cathode active material that includes (A) a main phase and a sub-phase, (B) the main phase containing a first lithium compound represented by Li | 2017-10-26 |
20170309892 | SECONDARY BATTERY-USE ACTIVE MATERIAL, SECONDARY BATTERY-USE ELECTRODE, SECONDARY BATTERY, ELECTRIC VEHICLE, AND ELECTRONIC APPARATUS - A secondary battery includes a cathode; an anode (1) including a plurality of carbon particles and a plurality of non-carbon particles, (2) the carbon particles containing graphite, (3) the non-carbon particles containing a material including, as a constituent element, one or more of silicon (Si), tin (Sn), and germanium (Ge), and (4) a distribution of a first-order differential value of an integrated value Q of a relative particle amount with respect to a particle diameter D of the plurality of carbon particles having one or more discontinuities, where a horizontal axis and a vertical axis of the distribution indicate the particle diameter D (μm) and a first-order differential value dQ/dD, respectively; and an electrolyte. | 2017-10-26 |
20170309893 | SILICON-BASED NEGATIVE ELECTRODE ACTIVE MATERIAL AND METHOD FOR PREPARING THE SAME - A negative electrode active material of the present invention includes a core containing silicon-based nanoparticles and polymer carbides distributed on the nanoparticles, wherein the core has a size of 30-300 nm, and such a negative electrode active material is prepared using a method including dispersing a suspension in which silicon-based nanoparticles and water-soluble polymer are added to a solvent using ultrasonic waves; and preparing a core including the silicon-based nanoparticles having the polymer carbides on the surface by carbonizing the water-soluble polymer. As a result, a negative electrode active material having a significantly low volume expansion rate compared with general non-carbon-based negative electrode active materials, and having excellent electric conductivity may be provided. | 2017-10-26 |
20170309894 | Carbonate Precursors for Lithium Nickel Manganese Cobalt Oxide Cathode Material and the Method of Making Same - A method for producing a M-carbonate precursor of a Li-M oxide cathode material in a continuous reactor, wherein M=NixMnyCozAn, A being a dopant, with x>0, y>0, 0≦z≦0.35, 0≦n≦0.02 and x+y+z+n=1, the method comprising the steps of: —providing a feed solution comprising Ni-, Mn-, Co- and A-ions, and having a molar metal content M″ feed, —providing an ionic solution comprising either one or both of a carbonate and a bicarbonate solution, the ionic solution further comprising either one or both of Na- and K-ions, —providing a slurry comprising seeds comprising M′-ions and having a molar metal content M′ seeds, wherein M′=Nix′Mny′Coz′A′n′, A′ being a dopant, with 0≦x′≦1, 0≦y′≦1, 0≦z′≦1, 0≦n′≦1 and x′+y′+z′+n′=1, and wherein the molar ratio M′ seeds/M″ feed is between 0.001 and 0.1, —mixing the feed solution, the ionic solution and the slurry in the reactor, thereby obtaining a reactive liquid mixture, —precipitating a carbonate onto the seeds in the reactive liquid mixture, thereby obtaining a reacted liquid mixture and the M-carbonate precursor, and —separating the M-carbonate precursor from the reacted liquid mixture. | 2017-10-26 |
20170309895 | AMORPHOUS CARBON PARTICLES - A method for producing amorphous carbon particles comprising includes adding and mixing graphite particles into a precursor of amorphous carbon and then cross-linking the precursor of amorphous carbon to obtain a first cross-linked product, or cross-linking a precursor of amorphous carbon and then adding and mixing graphite particles into the cross-linked precursor of amorphous carbon to obtain a second cross-linked product. Infusibility is imparted to the first or second cross-linked product to obtain an infusibilized product to which infusibility has been imparted. The infusibilized product is baked to obtain amorphous carbon particles. The amorphous carbon particles include the graphite particles and amorphous carbon which embeds the graphite particles. | 2017-10-26 |
20170309896 | NEGATIVE ELECTRODE FOR SECONDARY BATTERY COMPRISING CMC-LI SALT AND LITHIUM SECONDARY BATTERY COMPRISING THE SAME - Disclosed is a negative electrode for secondary batteries including a negative electrode mix applied to a current collector, the negative electrode mix including a negative electrode active material, a thickening agent and an aqueous binder, wherein the thickening agent is a carboxymethyl cellulose lithium salt (CMC—Li salt) having a substitution degree of a hydroxyl group (—OH) by a carboxymethyl lithium group (—CH | 2017-10-26 |
20170309897 | LEAD-ACID BATTERY - Provided is a lead-acid battery including a negative electrode plate and a positive electrode plate. The negative electrode plate includes a negative electrode material containing graphite or carbon fiber, and the positive electrode plate includes a positive electrode material containing antimony. | 2017-10-26 |
20170309898 | MIXED POSITIVE ELECTRODE ACTIVE MATERIAL, POSITIVE ELECTRODE COMPRISING SAME, AND SECONDARY BATTERY - Provided is a mixed positive electrode active material comprising a large-grain positive electrode active material with an average diameter of 10 μm or greater and a small-grain positive electrode active material with an average diameter of 5 μm or smaller, in which the large-grain positive electrode active material and the small-grain positive electrode active material are coated with different materials between lithium triborate and metal oxide, respectively. | 2017-10-26 |
20170309899 | MULTI-LAYER STRUCTURED LITHIUM METAL ELECTRODE AND METHOD FOR MANUFACTURING SAME - The present invention relates to a multi-layer structured lithium metal electrode and a method for manufacturing the same and, specifically, to a multi-layer structured lithium metal electrode comprising: a buffer layer of lithium nitride (Li3N) formed on a lithium metal plate; and a protective layer of LiBON formed on the buffer layer, and to a method for manufacturing a multi-layer structured lithium metal electrode by continuously forming a lithium nitride buffer layer and a LiBON protective layer on a lithium metal plate through continuous reactive sputtering multi-layer structured lithium metal electrode multi-layer structured lithium metal electrode lithium metal plate multi-layer structured lithium metal electrode lithium metal plate. The multi-layer structured lithium metal electrode of the present invention can protect the reactivity of the lithium metal from moisture or an environment within a battery, and prevent the formation of dendrites, by forming the protective layer. | 2017-10-26 |
20170309900 | Method of Fabricating Fibres Composed of Silicon or a Silicon-Based Material and Their Use in Lithium Rechargeable Batteries - A method of fabricating fibres of silicon or silicon-based material comprises the steps of etching pillars on a substrate and detaching them. A battery anode can then be created by using the fibres as the active material in a composite anode electrode. | 2017-10-26 |
20170309901 | MSix-CONTAINING SILICON MATERIAL (M IS AT LEAST ONE ELEMENT SELECTED FROM GROUP 3 TO 9 ELEMENTS. 1/3<=x<=3) AND METHOD FOR PRODUCING SAME - A novel silicon material is provided. | 2017-10-26 |
20170309902 | NEGATIVE ELECTRODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY, METHOD OF PREPARING THE SAME, AND LITHIUM SECONDARY BATTERY INCLUDING THE MATERIAL - Provided are a negative electrode active material for a lithium secondary battery and a method of preparing the same, wherein since the negative electrode active material includes porous polycrystalline silicon and the porous polycrystalline silicon includes pores disposed at grain boundaries, the negative electrode active material may exhibit a buffering action by internally absorbing changes in volume of the active material during charge and discharge. As a result, lifetime characteristics of a negative electrode and a battery may be improved. | 2017-10-26 |
20170309903 | HIGH-CAPACITY SILICON NANOWlRE BASED ANODE FOR LITHIUM-ION BATTERIES - The present invention provides anodes comprising an electrically conductive substrate, comprising at least one non-uniform surface; and a random network of silicon nanowires (Si NWs) chemically grown on said at least one non-uniform surface of the substrate, wherein the Si NWs have at least about 30% amorphous morphology, and methods of manufacturing of the anodes. Further provided are lithium ion batteries comprising said anodes. | 2017-10-26 |
20170309904 | GRAPHENE, POWER STORAGE DEVICE, AND ELECTRIC DEVICE - An object is to provide graphene which has high conductivity and is permeable to ions of lithium or the like. Another object is to provide, with use of the graphene, a power storage device with excellent charging and discharging characteristics. Graphene having a hole inside a ring-like structure formed by carbon and nitrogen has conductivity and is permeable to ions of lithium or the like. The nitrogen concentration in graphene is preferably higher than or equal to 0.4 at. % and lower than or equal to 40 at. %. With use of such graphene, ions of lithium or the like can be preferably made to pass; thus, a power storage device with excellent charging and discharging characteristics can be provided. | 2017-10-26 |
20170309905 | POWER STORAGE DEVICE AND METHOD FOR MANUFACTURING THE SAME - Provided is a method for manufacturing a power storage device in which a crystalline silicon layer including a whisker-like crystalline silicon region is formed as an active material layer over a current collector by a low-pressure CVD method in which heating is performed using a deposition gas containing silicon. The power storage device includes the current collector, a mixed layer formed over the current collector, and the crystalline silicon layer functioning as the active material layer formed over the mixed layer. The crystalline silicon layer includes a crystalline silicon region and a whisker-like crystalline silicon region including a plurality of protrusions which project over the crystalline silicon region. With the protrusions, the surface area of the crystalline silicon layer functioning as the active material layer can be increased, | 2017-10-26 |
20170309906 | PRODUCTION METHOD OF BATTERY ACTIVE MATERIAL, BATTERY ACTIVE MATERIAL, NONAQUEOUS ELECTROLYTE BATTERY AND BATTERY PACK - A production method of a battery active material of the present embodiment includes a step of obtaining a coprecipitated product containing Ti and Nb by mixing a solution with a pH of 5 or lower, in which a Ti compound is dissolved, and a solution with a pH of 5 or lower, in which a Nb compound is dissolved, such that molar ratio of Ti and Nb (Nb/Ti) is adjusted within a range of 1≦Nb/Ti≦28, and then further mixing with an alkali solution with a pH of 8 or higher; and a step of burning the coprecipitated product under condition of 635° C. or higher and 1200° C. or lower. | 2017-10-26 |
20170309907 | 5V-Class Spinel-Type Lithium-Manganese-Containing Composite Oxide - Provided is a new 5 V-class spinel-type lithium-manganese-containing composite oxide capable of achieving both the expansion of a high potential capacity region and the suppression of gas generation. Proposed is the spinel-type lithium-manganese-containing composite oxide comprising Li, Mn, O and two or more other elements, and having an operating potential of 4.5 V or more at a metal Li reference potential, wherein a peak is present in a range of 14.0 to 16.5° at 2θ, in an X-ray diffraction pattern measured by a powder X-ray diffractometer (XRD) using CuKα1 ray. | 2017-10-26 |
20170309908 | 5V-Class Spinel-Type Lithium-Manganese-Containing Composite Oxide - Provided is a new 5 V class spinel-type lithium manganese-containing composite oxide which enables the expansion of a high potential capacity region and the suppression of gas generation. The 5 V class spinel-type lithium manganese-containing composite oxide has an operating potential of 4.5 V or more at a metal Li reference potential, and contains Li, Mn, O and two or more other elements. The spinel-type lithium manganese-containing composite oxide is characterized in that, in an electronic diffraction image from a transmission electron microscope (TEM), a diffraction spot observed in the Fd-3m structure as well as a diffraction spot not observed in the Fd-3m structure are confirmed. | 2017-10-26 |
20170309909 | Impurity Containing Cathode Material with Preferred Morphology and Method to Prepare from Impurity Containing Metal Carbonate - A carbonate precursor compound for manufacturing a lithium metal (M)-oxide powder usable as an active positive electrode material in lithium-ion batteries, M comprising 20 to 90 mol % Ni, 10 to 70 mol % Mn and 10 to 40 mol % Co, the precursor further comprising a sodium and sulfur impurity, wherein the sodium to sulfur molar ratio (Na/S) is 0.42017-10-26 | |
20170309910 | POSITIVE ELECTRODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY, METHOD OF PREPARING THE SAME AND LITHIUM SECONDARY BATTERY INCLUDING THE SAME - The present invention provided a positive electrode active material for a lithium secondary battery including lithium cobalt oxide particles. The lithium cobalt oxide particles include lithium deficient lithium cobalt oxide having Li/Co molar ratio of less than 1, belongs to an Fd-3m space group, and having a cubic crystal structure, in surface of the particle and in a region corresponding to a distance from 0% to less than 100% from the surface of the particle relative to a distance (r) from the surface to the center of the particle. In the positive electrode active material for a lithium secondary battery according to the present invention, the intercalation and deintercalation of lithium at the surface of a particle may be easy, and the output property and rate characteristic may be improved when applied to a battery. | 2017-10-26 |
20170309911 | PROCESS FOR PRODUCING NICKEL COBALT ALUMINUM COMPOSITE HYDROXIDE AND PROCESS FOR PRODUCING POSITIVE ELECTRODE ACTIVE MATERIAL FOR NON-AQUEOUS ELECTROLYTE SECONDARY BATTERIES - Disclose herein are processes for producing a nickel cobalt aluminum composite hydroxide and producing a positive electrode active material for non-aqueous electrolyte secondary batteries. Nucleation is performed by controlling an aqueous solution for nucleation containing a nickel-containing metal compound, cobalt-containing metal compound, ammonium ion supplier, and aluminum source so that the aqueous solution's pH for nucleation is 12.0 to 13.4, and then in a particle growth step, particle growth is performed in an aqueous solution for particle growth obtained by controlling the aqueous solution for nucleation obtained in the nucleation step so that the pH of aqueous solution for nucleation is 10.5 to 12.0. Further, in nucleation step, an aqueous solution containing aluminum and sodium is used as the aluminum source contained in aqueous solution for nucleation, and the mole ratio of sodium to aluminum in aqueous solution containing aluminum and sodium is adjusted to 1.5 to 3.0. | 2017-10-26 |
20170309912 | BATTERY, BATTERY PACK AND CONTINUOUS POWER SUPPLY - A battery has a cathode, an anode and an electrolyte, with the cathode having a cathode current collector and a cathode material. The cathode material has a cathode active material, which is capable of reversibly intercalating and deintercalating first metal ions. The electrolyte has a solvent capable of dissolving the first metal ions and second metal ions that can be reduced to a metal during a charge cycle and be oxidized from the metal to the dissolved second metal ions during a discharge cycle. The cathode current collector has an electrochemically inert carrier and graphite. The carrier is wrapped by the graphite. The cathode current collector provided has good corrosion resistance and the battery has a long floating charge life and a low cost. | 2017-10-26 |
20170309913 | Negative Electrode Active Material for Lithium Ion Secondary Battery and Lithium Ion Secondary Battery - An object of the present invention is to provide a negative electrode active material for a lithium ion secondary battery, the negative electrode active material particularly having a high capacity and a long lifetime. A negative electrode material for a lithium ion secondary battery, containing: silicon nanoparticles; and silicon nanowires, wherein the silicon nanoparticles and the silicon nanowires are bound to each other. More preferably, the negative electrode active material for a lithium ion secondary battery, wherein a surface of the silicon nanoparticle or the silicon nanowire is covered with a carbon coating layer. | 2017-10-26 |
20170309914 | PRE-LITHIATED LITHIUM ION BATTERY CELL - A lithium ion battery cell includes an anode, a cathode, and a sacrificial lithium-containing material on the cathode configured to decompose to release lithium ions in response to first application of charge current to the cell to prompt formation of a solid-electrolyte interphase via a reaction of the lithium ions on a surface of the anode adjacent to the cathode. | 2017-10-26 |
20170309915 | ELECTRODE ASSEMBLY HAVING IMPROVED SAFETY, MANUFACTURING METHOD THEREFOR AND ELECTROCHEMICAL ELEMENT COMPRISING ELECTRODE ASSEMBLY - The present invention relates to: an electrode assembly having an inorganic porous coating layer formed on the surface of one electrode of an anode and a cathode and having an organic porous coating layer formed on the surface of the other electrode, and since these porous coating layers exhibit a separator function, the electrode assembly has a more improved heat resistance and safety at high temperature without requiring a separate separator; a manufacturing method therefor; and an electrochemical element comprising the electrode assembly. | 2017-10-26 |
20170309916 | BINDER FOR NON-AQUEOUS SECONDARY BATTERY, COMPOSITION FOR NON-AQUEOUS SECONDARY BATTERY FUNCTIONAL LAYER, FUNCTIONAL LAYER FOR NON-AQUEOUS SECONDARY BATTERY, AND NON-AQUEOUS SECONDARY BATTERY - Provided is a binder for a non-aqueous secondary battery that has excellent preservation stability and binding capacity, and that can suppress viscosity elevation of a slurry composition. The binder for a non-aqueous secondary battery contains a particulate polymer and water. The particulate polymer has a degree of swelling in an aqueous medium at pH 5 of less than a factor of 2 and has a degree of swelling in an aqueous medium at pH 8 of at least a factor of 2 and no greater than a factor of 7. | 2017-10-26 |
20170309917 | CATHODE AND LITHIUM BATTERY INCLUDING THE SAME - A cathode includes a cathode active material layer including a cathode active material; and a coating layer that is disposed on the cathode active material layer and that includes a block copolymer, wherein the block copolymer includes at least one first block that forms a structure domain and a second block that forms an ion conductive domain, and a total amount of the first block is in a range of about 20 weight percent to about 80 weight percent based on the total weight of the block copolymer. | 2017-10-26 |
20170309918 | THREE-DIMENSIONAL ION TRANSPORT NETWORKS AND CURRENT COLLECTORS FOR ELECTROCHEMICAL CELLS - Provided herein are three-dimensional ion transport networks and current collectors for electrodes of electrochemical cells. Exemplary electrodes include interconnected layers and channels including an electrolyte to facilitate ion transport. Exemplary electrodes also include three dimensional current collectors, such as current collectors having electronically conducting rods, electronically conducting layers or a combination thereof. | 2017-10-26 |
20170309919 | High Capacity Energy Storage - An energy storage device includes a nano-structured cathode. The cathode includes a conductive substrate, and underframe and an active layer. The underframe includes structures such as nano-filaments and/or aerogel. The active layer optionally includes a catalyst disposed within the active layer, the catalyst being configured to catalyze the dissociation of cathode active material. | 2017-10-26 |
20170309920 | High Capacity Energy Storage - An energy storage device includes a nano-structured cathode. The cathode includes a conductive substrate, and underframe and an active layer. The underframe includes structures such as nano-filaments and/or aerogel. The active layer optionally includes a catalyst disposed within the active layer, the catalyst being configured to catalyze the dissociation of cathode active material. | 2017-10-26 |
20170309921 | FUEL CELL ELECTRODE - A fuel cell electrode includes a carbon nanofiber substrate and a continuous film of up to | 2017-10-26 |
20170309922 | CYCLIC REGENERATION OF NANOSTRUCTURED COMPOSITES FOR CATALYTIC APPLICATIONS - A catalyst obtained by first preparing a cermet material with the general formula ABO | 2017-10-26 |
20170309923 | METAL COMPOSITE CARBON MATERIAL, FUEL CELL CATALYST, FUEL CELL, HYDROGEN-OCCLUDING MATERIAL, HYDROGEN TANK, AND PRODUCTION METHOD FOR METAL COMPOSITE CARBON MATERIAL - The present invention provides a metal composite carbon material that provides a large contact interface between a fluid and metal fine particles and that can exhibit high catalytic performance when used as a catalyst, having metal fine particles supported in a continuous porous structure in which a carbon skeleton and voids form respective continuous structures, the continuous porous structure having a structural period of larger than 2 nm and 10 μm or smaller. | 2017-10-26 |
20170309924 | SOLID POLYMER ELECTROLYTE FUEL CELL WITH IMPROVED VOLTAGE REVERSAL TOLERANCE - In solid polymer electrolyte fuel cells, an oxygen evolution reaction (OER) catalyst may be incorporated at the anode along with the primary hydrogen oxidation catalyst for purposes of tolerance to voltage reversal. Incorporating this OER catalyst in a layer at the interface between the anode's primary hydrogen oxidation anode catalyst and its gas diffusion layer can provide greatly improved tolerance to voltage reversal for a given amount of OER catalyst. Further, this improvement can be gained without sacrificing cell performance. | 2017-10-26 |
20170309925 | BIPOLAR PLATE FOR ELECTROCHEMICAL CELLS AND METHOD FOR THE PRODUCTION THEREOF - The invention relates to a metallic bipolar plate for use in an electrochemical cell, wherein the bipolar plate comprises an electrically conductive graphene-like coating. The graphene-like coating has a layer thickness between 10 nm and 1 μm. Chemical synthesis is initially carried out to produce the graphene-like coating according to the invention comprising one or more at least partially reduced graphene oxide layers. Proceeding from graphite powder, a graphite oxide powder is initially produced, which is subsequently converted into a stable graphene oxide (GO) suspension by way of ultrasonic dispersion. By depositing this suspension on a metallic carrier substrate (bipolar plate), thin graphene oxide layers can then be applied and subsequently be reduced to obtain at least partially reduced graphene oxide (rGO), which is referred to as graphene-like. This coating advantageously has sufficient stability and the necessary electrical conductivity for use in an electrochemical cell. | 2017-10-26 |
20170309926 | FUEL CELL AND MOTOR VEHICLE - The invention concerns a fuel cell ( | 2017-10-26 |
20170309927 | COMPOSITE MEMBRANE CONTAINING ION TRANSFER POLYMER AND METHOD FOR PREPARING SAME - The present specification relates to a composite membrane containing an ion transfer polymer and a method for preparing the same. | 2017-10-26 |
20170309928 | FUEL CELL STACK AND METHOD OF MANUFACTURING FUEL CELL STACK - A fuel cell stack includes: a separator comprising channels and lands alternately repeated; and a gas diffusion layer in contact with the separator for transferring gas to a membrane-electrode assembly. The gas diffusion layer has a fiber arrangement structure having a predetermined directionality beneath the lands adjacent to opposite lateral sides of the channels based on a central portion of the channels to guide a transfer passage of the gas. | 2017-10-26 |
20170309929 | COOLANT INJECTION CONTROLLER - A coolant injection controller for a fuel cell system, the coolant injection controller configured to actively control the flow of a coolant to a fuel cell assembly for cooling and/or hydrating the fuel cell assembly in response to a measure of fuel cell assembly performance, wherein the coolant injection controller is configured to provide for a first mode of operation if the measure of fuel cell assembly performance is below a predetermined threshold and a second mode of operation if the measure of fuel cell assembly performance is above the predetermined threshold, the first and second modes having different coolant injection profiles and wherein, in the first mode of operation, the coolant injection profile provides for control of the flow of coolant by alternating between at least two different injection flow rates. | 2017-10-26 |
20170309930 | DEVICE AND METHOD FOR MANUFACTURING MEMBRANE-ELECTRODE ASSEMBLY OF FUEL CELL - A manufacturing device of a membrane-electrode assembly for fuel cell includes a membrane unwinder unwinding and supplying a polymer electrolyte membrane of a roll shape; a film unwinder unwinding and supplying a release film of a roll shape respectively coated with an anode catalyst electrode layer and a cathode catalyst electrode layer with a predetermined interval in an upper and lower sides of the polymer electrolyte membrane; upper and lower bonding rolls respectively disposed at the upper and lower sides of a progressing path of the polymer electrolyte membrane and the release film and pressed to an upper surface and a lower surface of the polymer electrolyte membrane; and a protection film unwinder unwinding and supplying a protection film between adhered surfaces of the release film and the upper and lower bonding rolls. | 2017-10-26 |
20170309931 | FUEL CELL DEVICE - A fuel cell device includes: a reformer that generates a reformed gas; a fuel cell; a combustor that combusts off-gas of the reformed gas and air for power generation, and generates a combustion exhaust gas; a first air heat exchanger that has a combustion exhaust gas path and a first air supply path, and that performs heat exchange between the combustion exhaust gas and the air for power generation; a fuel cell storage which stores the fuel cell; a second air heat exchanger that has a second air supply path that supplies the air for power generation to the fuel cell, and that performs heat exchange between the off-gas of the air for power generation and the air for power generation; and a housing that stores members. The first air supply path and the second air supply path are disposed to cover whole members stored in the housing. | 2017-10-26 |
20170309932 | ANODE DISCHARGE VALVE FOR FUEL CELL SYSTEM - An anode discharge valve for a fuel cell system includes a valve main body which is installed in a hydrogen recirculation line of a fuel cell stack; a drive shaft which is rotatably installed in the valve main body, and coupled to an opening member which selectively opens a hydrogen discharge port by being rotated; and a mechanism which is connected to a hydrogen inlet port of the valve main body so as to form a hydrogen inflow path, and operates to rotate the drive shaft as a pressure of hydrogen inflowing through the hydrogen inflow path increases. | 2017-10-26 |
20170309933 | SYSTEM AND METHOD FOR STARTING UP FUEL CELL SYSTEM - A method for no-purge starting up a fuel cell system is provided. The method includes calculating a nitrogen partial pressure from a target hydrogen concentration during driving that corresponds to a condition in which start-up without purging is possible and calculating a target hydrogen pressure satisfying the target hydrogen concentration from the calculated nitrogen partial pressure. Further, hydrogen is then supplied to the system based on the target hydrogen pressure. | 2017-10-26 |
20170309934 | METHOD OF GENERATING ELECTRICITY WITH A FUEL CELL; ASSOCIATED DEVICE - A method of generating electricity with a fuel cell includes a phase in which the cell is primed; and a phase in which the cell functions at a stable rate, during which the cell, fed with a hydrogenated gas, generates electricity and heat. In order to prime the cell, it is fed with a hydrogenated gas including at least 70 vol. % hydrogen, generated by self-sustaining combustion of at least one hydrogenated gas-generating solid pyrotechnic charge; and while it is operating at a stable rate, the cell is fed with a hydrogenated gas containing at least 85 vol. % hydrogen, generated by thermal decomposition of at least one hydrogenated gas-generating solid pyrotechnic charge; a portion of the heat produced by the operating cell being transferred to the at least one solid charge in order to start and maintain the thermal decomposition thereof. | 2017-10-26 |
20170309935 | POWER DISTRIBUTION METHOD AND SYSTEM FOR FUEL CELL VEHICLE - A power distribution method and system for a fuel cell vehicle is provided. The method includes deducing an amount of moisture in a stack of a fuel cell, when a supply amount of air of the stack of the fuel cell is decreased and determining a state of the fuel cell based on the amount of moisture. Additionally, the method includes deducing allowance power of a regenerative braking of a driving motor using maximum power of the regenerative braking of an air compressor and chargeable power of a high voltage battery based on the determined state. The regenerative braking of the driving motor is then adjusted to prevent actual power of the regenerative braking of the driving motor from exceeding the allowance power of the regenerative braking. | 2017-10-26 |
20170309936 | ACCELERATED LIFETIME TEST DEVICE FOR REDOX FLOW BATTERY - The accelerated lifetime test device for a redox flow battery according to the present invention includes a test cell including a separator configured to exchange ions contained in an electrolyte, first and second manifolds disposed on both side surfaces of the separator and having openings through which the electrolyte flows, a cathode disposed on an outer side surface of the first manifold, an anode disposed on an outer side surface of the second manifold, and first and second end plates respectively disposed on outer side surfaces of the cathode and the anode, a rotator configured to uniformly disperse the electrolyte included in the test cell by rotating the test cell and a tester connected to each of the cathode and the anode of the test cell and configured to test performance of the test cell. | 2017-10-26 |
20170309937 | SECURE FUEL CELL SYSTEM - An assembly including a fuel cell arranged in a housing, the fuel cell includes an anode having an admission and an anode discharge, and a cathode having an oxygen admission and a cathode discharge, the assembly includes the housing and a sealed enclosure in which the fuel cell is arranged and configured in such a manner that the gas discharged by the fuel cell is discharged into the sealed enclosure so as to generate an over-pressure of oxygen-depleted air inside the sealed enclosure. | 2017-10-26 |
20170309938 | FUEL CELL SYSTEM - A fuel cell system includes: a fuel cell stack including a cathode passage and an anode passage formed thereinside; and a cathode gas supply passage including a first pump discharging cathode gas and connected to an inlet of the cathode passage. The fuel cell system further includes: a cathode off-gas exhaust passage including a back pressure valve and connected to an outlet of the cathode passage; and a circulation passage including a second pump discharging cathode off-gas to circulate cathode off-gas. The fuel cell system circulates cathode off-gas during idling operation to decrease cathodic potential, and increases an opening degree of the back pressure valve to greater than that during idling operation to decrease the cathode back pressure to less than that during idling operation after idling operation is shifted to load operation. This configuration promptly replaces gas in the fuel cell stack. | 2017-10-26 |
20170309939 | FUEL CELL SYSTEM - A fuel cell system having a fuel cell using a fuel gas containing a combustible gas and an oxidant gas to generate power includes an exhaust gas route for an exhaust gas from the fuel cell to circulate, an air supplier absorbing air within the fuel cell system and supplying the air to the exhaust gas, an air supply route for the air to circulate, a merging part where the exhaust gas and the air merge, a discharge route discharging a mixed gas composed of the merged exhaust gas and the air to the atmosphere, and a combustible gas detector that detects the concentration of a combustible gas in the mixed gas. With respect to flow of the air circulating in the air supply route and the discharge route, from the upstream side, the air supplier, the merging part, and the combustible gas detector are disposed in this order. | 2017-10-26 |
20170309940 | COMPOUND COMPRISING AROMATIC RING AND POLYMER ELECTROLYTE MEMBRANE USING SAME - The present specification relates to a compound including an aromatic ring, a polymer electrolyte membrane including the same, a membrane-electrode assembly including the polymer electrolyte membrane, a fuel cell including the membrane-electrode assembly, and a redox flow battery including the polymer electrolyte membrane. | 2017-10-26 |
20170309941 | Electrochemical Element, Solid Oxide Fuel Cell, and Methods for Producing the Same - Realized are an electrochemical element and a solid oxide fuel cell that have a dense electrolyte layer and that have excellent durability and robustness, and methods for producing the same. An electrochemical element includes: a metal substrate | 2017-10-26 |
20170309942 | ELECTRODE, FUEL CELL AND WATER TREATMENT DEVICE - An electrode ( | 2017-10-26 |
20170309943 | IONIC LIQUID CATHOLYTES AND ELECTROCHEMICAL DEVICES CONTAINING SAME - An ionic liquid catholyte includes an ionic liquid, such as 1-ethyl-3-methylimidazolium chloride (EMICl), at least one half of a redox couple, and a sodium salt. The ionic liquid catholyte is suitable for use as a liquid cathode in an electrochemical device including an anode current collector, an anode in contact with the anode current collector, a cathode current collector, a liquid cathode in contact with the cathode current collector, and a solid electrolyte separating the anode and cathode current collectors. The one half of the redox couple includes a metal in a first oxidation state that is oxidized or reduced to yield the metal in a second oxidation state, and the redox couple includes the metal in the first oxidation state and the metal in the second oxidation state. The solid electrolyte is permeable to sodium ions and is in contact with the liquid anode and the liquid cathode. | 2017-10-26 |
20170309944 | HIGH SOLUBILITY IRON HEXACYANIDES - Stable solutions comprising high concentrations of charged coordination complexes, including iron hexacyanides are described, as are methods of preparing and using same in chemical energy storage systems, including flow battery systems. The use of these compositions allows energy storage densities at levels unavailable by other iron hexacyanide systems. | 2017-10-26 |
20170309945 | NON-AQUEOUS ELECTROLYTIC SECONDARY BATTERY AND METHOD OF MANUFACTURING THE SAME - A flat-plate portion of a negative electrode composite material layer includes a first end portion at one end portion in a direction of axis of winding of a flat electrode winding assembly, a second end portion located opposite to the first end portion, and a central portion lying between the first end portion and the second end portion. The flat-plate portion of the negative electrode composite material layer is provided with a plurality of communication grooves. The communication groove includes a first terminal end portion at the first end portion, includes a second terminal end portion at the second end portion, includes in the central portion, a starting portion located closer to a bottom portion of a prismatic case relative to the first terminal end portion and the second terminal end portion, and extends from the starting portion toward the first terminal end portion and the second terminal end portion. | 2017-10-26 |
20170309946 | BATTERY, BATTERY MANUFACTURING METHOD, AND BATTERY MANUFACTURING APPARATUS - A battery is provided which includes a first power generating element, a second power generating element, and a first adhesion layer adhering the first power generating element to the second power generating element. A first positive electrode collector of the first power generating element and a second negative electrode collector of the second power generating element face each other with (i.e., via) the first adhesion layer. Between the first positive electrode collector and the second negative electrode collector, the first adhesion layer is disposed in a region forming a first positive electrode active material layer or a region forming a second negative electrode active material layer, whichever is smaller. The first positive electrode collector and the second negative electrode collector are not in contact with each other in a region in which the first positive electrode active material layer and the second negative electrode active material layer face each other. | 2017-10-26 |
20170309947 | BATTERY MANUFACTURING METHOD AND BATTERY MANUFACTURING APPARATUS - In a battery manufacturing method using a battery manufacturing apparatus, the battery manufacturing apparatus including a pressing unit, a measurement device, and a controller, the battery manufacturing method includes steps of (a) pressing a battery member by a pressing unit, (b) measuring, after the pressing step (a), by the measurement device, characteristics of the battery member, which has been pressed by the pressing unit, and (c) controlling, after the measurement step (b), by the controller, a state of pressing of the battery member by the pressing unit in accordance with a measurement result of the measurement device. | 2017-10-26 |
20170309948 | ELECTRODE FOR SECONDARY BATTERY AND SECONDARY BATTERY USING SAME - A secondary battery which is highly safe even when it becomes in excessively high-temperature conditions and is excellent in cycle characteristics, and an electrode for a secondary battery are provided. The present invention relates to an electrode for a secondary battery comprising a maleimide compound and a conductive agent, wherein the conductive agent comprises at least one selected from carbon nanotube and carbon nanohorns. | 2017-10-26 |
20170309949 | LITHIUM-SULFUR BATTERY - The present invention provides: i) a lithium-sulfur battery in which solid sulfur is introduced into an electrolytic region between a positive electrode and a negative electrode; ii) a lithium-sulfur battery comprising a middle layer containing elemental sulfur (S | 2017-10-26 |
20170309950 | NEGATIVE-ELECTRODE ACTIVE MATERIAL FOR NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY, NEGATIVE ELECTRODE FOR NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY, AND NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY (as amended) - A non-aqueous electrolyte secondary battery that contains a silicon material as a negative-electrode active material has improved cycle life. A negative-electrode active material particle ( | 2017-10-26 |
20170309951 | NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY - A positive electrode in a lithium secondary battery includes an insulating tape that covers a welded part between a positive electrode tab and a positive electrode current collector-exposed surface. The insulating tape has a multilayer structure including an organic material layer, a composite material layer containing an organic material and an inorganic material, and an adhesive layer. The inorganic material in the composite material layer accounts for 20% or more of the weight of the composite material layer. | 2017-10-26 |
20170309952 | NONAQUEOUS ELECTROLYTE SECONDARY BATTERY - The nonaqueous electrolyte secondary battery | 2017-10-26 |
20170309953 | NONAQUEOUS ELECTROLYTE SECONDARY BATTERY AND MANUFACTURING METHOD THEREFOR - A nonaqueous electrolyte secondary battery includes: an electrode assembly; a nonaqueous electrolyte; and a battery case. The electrode assembly includes a positive electrode, a negative electrode, and a separator. The positive electrode includes a positive electrode active material layer. The negative electrode includes a negative electrode active material layer. The separator is interposed between the positive electrode and the negative electrode. The battery case accommodates the electrode assembly and the nonaqueous electrolyte. Ends of contact faces of the negative electrode active material layer and the separator are at least partially bonded to each other. | 2017-10-26 |
20170309954 | LITHIUM-ION BATTERY - A lithium-ion battery includes: a cathode; an anode; and a non-aqueous electrolyte solution, in which the cathode includes a current collector and a cathode mixture applied on at least one side of the current collector, the cathode mixture includes a lithium transition metal oxide as a cathode active material, the anode includes a lithium titanium complex oxide as an anode active material, and the non-aqueous electrolyte solution includes a fluorine-containing boric acid ester. | 2017-10-26 |
20170309955 | LITHIUM ION CONDUCTIVE CRYSTAL BODY AND ALL-SOLID STATE LITHIUM ION SECONDARY BATTERY - To provide a lithium ion conductive crystal body having a high density and a large length and an all-solid state lithium ion secondary battery containing the lithium ion conductive crystal body. A Li | 2017-10-26 |
20170309956 | GEL POLYMER ELECTROLYTE AND LITHIUM SECONDARY BATTERY COMPRISING THE SAME - The present invention relates to a composition for a gel polymer electrolyte comprising a liquid electrolyte solvent, a lithium salt, a polymerization initiator, and a mixed compound of a first compound and a second compound, and a lithium secondary battery comprising a positive electrode, a negative electrode, a separator, and a gel polymer electrolyte, wherein the gel polymer electrolyte is formed by polymerizing the composition for a gel polymer electrolyte. | 2017-10-26 |
20170309957 | POLYMER COMPOSITION WITH ELECTROPHILIC GROUPS FOR STABILIZATION OF LITHIUM SULFUR BATTERIES - A polymer to be used as a binder for sulfur-based cathodes in lithium batteries that includes in its composition electrophilic groups capable of reaction with and entrapment of polysulfide species. Beneficial effects include reductions in capacity loss and ionic resistance gain. | 2017-10-26 |
20170309958 | ELECTROLYTIC SOLUTION FOR SODIUM-ION SECONDARY BATTERY AND SODIUM-ION SECONDARY BATTERY - Provided are an electrolytic solution for sodium-ion secondary battery, the solution having sodium-ion conductivity, and including a sodium salt and a non-aqueous solvent, wherein the non-aqueous solvent includes a fluorophosphate ester and propylene carbonate, and a content of the fluorophosphate ester in the non-aqueous solvent is 5 to 50 mass %; and a sodium-ion secondary battery including the same. | 2017-10-26 |
20170309959 | ORGANIC ELECTROLYTE SOLUTION AND LITHIUM BATTERY INCLUDING ORGANIC ELECTROLYTE SOLUTION - An organic electrolyte solution and a lithium battery, the organic electrolyte solution including an organic solvent; a lithium salt; a first compound, the first compound being represented by Formula 1 or Formula 2; and a second compound, the second compound being a succinonitrile-based compound represented by Formula 3: | 2017-10-26 |
20170309960 | NON-AQUEOUS ELECTROLYTE SOLUTION AND LITHIUM SECONDARY BATTERY COMPRISING THE SAME - Provided are a non-aqueous electrolyte solution, which includes (i) a first lithium salt, (ii) lithium bis(fluorosulfonyl)imide as a second lithium salt, (iii) a phosphazene-based compound as a first additive, and (iv) a non-aqueous organic solvent, and a lithium secondary battery including the non-aqueous electrolyte solution. | 2017-10-26 |
20170309961 | NON-AQUEOUS LIQUID ELECTROLYTE AND LITHIUM SECONDARY BATTERY COMPRISING THE SAME - The present disclosure provides a lithium secondary battery comprising a non-aqueous liquid electrolyte comprising lithium bis(fluorosulfonyl)imide (LiFSI) and a trimethylsilyl phosphate (TMSPa) additive, a positive electrode comprising a lithium-nickel-manganese-cobalt-based oxide as a positive electrode active material, a negative electrode and a separator. | 2017-10-26 |
20170309962 | NON-AQUEOUS ELECTROLYTIC SOLUTION AND LITHIUM BATTERY - A non-aqueous electrolytic solution comprising a non-aqueous solvent and an electrolyte, which further contains a combination of a nitrile compound and an S═O group-containing compound (or a dinitrile compound) in an amount of 0.001 to 10 wt. % imparts improved cycle performance and storage property to a lithium battery, particularly a lithium secondary battery. | 2017-10-26 |
20170309963 | HIGH VOLUMETRIC ENERGY DENSITY LITHIUM BATTERY WITH LONG CYCLE LIFE - A battery electrolyte solution contains a lithium salt, diethyl carbonate and at least one of 4-fluoroethylene carbonate and ethylene carbonate. This battery electrolyte is highly stable even when used in batteries in which the cathode material has a high operating potential (such as 4.5V or more) relative to Li/Li+. Batteries containing this electrolyte solution therefore have excellent cycling stability. | 2017-10-26 |
20170309964 | BATTERY AND BATTERY MANUFACTURING METHOD - A battery including a positive electrode layer and a negative electrode layer is provided. The positive electrode layer includes a positive electrode current collector, a positive electrode active material layer, and a positive electrode-side solid electrolyte layer; the positive electrode active material layer is arranged in contact with the positive electrode current collector in a region smaller than that thereof; the positive electrode-side solid electrolyte layer is arranged in contact with the positive electrode current collector and the positive electrode active material layer in the same region as that of the positive electrode current collector; the negative electrode layer has the structure similar to that of the positive electrode layer. Since the positive and negative electrode layers are laminated to each other, the positive electrode active material layer faces the negative electrode active material layer with the positive and negative electrode-side solid electrolyte layers provided therebetween. | 2017-10-26 |
20170309965 | BATTERY, BATTERY MANUFACTURING METHOD, AND BATTERY MANUFACTURING APPARATUS - A battery including a first electrode layer, a solid electrolyte layer on the first electrode layer, a second electrode layer which is located on the solid electrolyte layer and which is a counter electrode layer of the first electrode layer, and a space portion, wherein a first thickness portion is located on the first active material layer, the second thickness portion is located on the first electrode layer, the second active material layer is located at a position which faces the first thickness portion and which does not face the first active material layer via the second thickness portion, the second collector extends to the position facing the second thickness portion and a region provided with the second active material layer, the second thickness portion is in contact with the second electrode layer, and the space portion is surrounded by the second electrode layer and the second thickness portion. | 2017-10-26 |
20170309966 | BATTERY, BATTERY MANUFACTURING METHOD, AND BATTERY MANUFACTURING APPARATUS - A battery includes first and second power generating elements laminated to each other. In the first power generating element, the inner layer of a first electrode current collector is in contact with a first electrode active material layer. In the second power generating element, the inner layer of a second electrode current collector is in contact with a second electrode active material layer. The outer layers of the first electrode current collector and the second electrode current collector are in contact with each other. The inner layer of the first electrode current collector contains a first material; the inner layer of the second electrode current collector contains a third material different from the first material; the outer layer of the second electrode current collector contains a second material different from the first material; and the outer layer of the first electrode current collector contains the second material. | 2017-10-26 |
20170309967 | APPARATUS FOR INCREASING SAFETY WHEN USING BATTERY SYSTEMS - The invention relates to a battery system (B), in particular a lithium-ion battery system, comprising at least one apparatus (V) for increasing safety when using the battery system (B), and comprising at least one discharge device (EV) suitable for electrical discharge of the battery system (B), wherein the at least one apparatus (V) is an apparatus for converting electrical energy from the battery system (B) into non-electrical energy, and the at least one apparatus (V) is connected to the discharge device (EV) at least in the case of a discharge of the battery system (B). | 2017-10-26 |
20170309968 | BATTERY CELL, BATTERY MODULE, DETECTION SYSTEM, AND DETERMINATION SYSTEM - A battery cell includes a first resistance change member having first and second terminals, a first power generation element including a first positive electrode, a first negative electrode, and a first electrolyte interposed between the first positive electrode and the first negative electrode, a first case enclosing the first power generation element and the first resistance change member, and first positive and negative electrode terminals. At least one of the first positive electrode, the first negative electrode, and the first electrolyte contains a first sulfur-based material. The first resistance change member contains a first resistance change material of which electrical resistance is changed by a chemical reaction with hydrogen sulfide. The first and second terminals of the first resistance change member are exposed to the outside of the first case, and the first resistance change member is not electrically connected to any of the first positive and negative electrode terminals. | 2017-10-26 |
20170309969 | INTERMEDIATE FRAME, ELECTROCHEMICAL SYSTEMS, AND METHODS - Provided herein are intermediate frame systems and methods, comprising one or more arrays of channels on upper and/or lower edges of the intermediate frame wherein the channels are configured to provide a spatially uniform flow of electrolyte through the plane of the intermediate frame. | 2017-10-26 |
20170309970 | METHOD OF MANUFACTURING SECONDARY BATTERY ELECTRODE CONTAINING PTC MATERIAL AND ELECTRODE MANUFACTURED THEREBY - Disclosed herein is a method of manufacturing a secondary battery electrode containing a positive temperature coefficient (PTC) material, the method including (a) applying first slurry including a first mixture and a solvent mixed with each other to one surface of a planar current collector to generate a PTC material after drying, (b) applying second slurry including a second mixture, including an electrode active material, and a solvent mixed with each other to the first slurry applied to the current collector, which is in a non-dried state, and (c) drying the first slurry and the second slurry applied to the current collector. | 2017-10-26 |
20170309971 | ELECTRODE FOR LITHIUM BATTERY, LITHIUM BATTERY AND PASTE FOR ELECTROCHEMICAL CELL - An electrode for a lithium battery, containing a current collector (A) and a mixture layer (B) contacting the current collector (A) and including an active material (a), an organic solvent binder (b), a conduction assistant (c) comprising carbon black in which an average particle diameter of a primary particle is 1 μm or less, and a nitrogen-containing polymer (d). | 2017-10-26 |
20170309972 | BATTERY SYSTEM - A battery system includes a plurality of batteries that generate operating information thereof, a server unit, an operation unit and a management unit. The server unit collects the operating information from the batteries, and provides the same altogether to the operation unit. The management unit receives the operating information from the operation unit to determine an operation condition of each of the batteries. | 2017-10-26 |
20170309973 | LENGTH EXPANSION MONITORING FOR DETERMINING THE AGING OF A BATTERY CELL OR A BATTERY MODULE - An apparatus ( | 2017-10-26 |
20170309974 | ENERGY STORAGE SYSTEM - The invention relates to an energy storage system for a repeated drawing/intake, storage and release of electrical energy having a control unit and an energy store comprising a plurality of storage cells that are organized in storage modules, with the control unit being configured to separately determine the state of charge of at least some of the storage cells. The control unit is configured
| 2017-10-26 |
20170309975 | BATTERY AND BATTERY SYSTEM - A battery includes an outer packaging and a power generating element that contains a sulfur-based material and is included in the outer packaging and disposed in the inside of the outer packaging. The outer packaging includes a communicating port, a hydrogen sulfide eliminator, and an exhausting unit. The communicating port communicates between the inside and the outside of the outer packaging. The hydrogen sulfide eliminator and the exhausting unit are disposed in the communicating port. The exhausting unit introduces hydrogen sulfide generated caused by the sulfur-based material to the communicating port. The hydrogen sulfide eliminator eliminates the hydrogen sulfide introduced by the exhausting unit to the communicating port. | 2017-10-26 |
20170309976 | BATTERY THERMAL MANAGEMENT SYSTEM - A battery thermal management system according to an exemplary aspect of the present disclosure includes, among other things, a battery pack, a coolant subsystem including a chiller configured to cool the battery pack, and a refrigerant subsystem including at least one evaporator. The coolant subsystem is arranged to exchange heat with the refrigerant subsystem within the chiller. A tap line extends from the at least one evaporator to the chiller. | 2017-10-26 |
20170309977 | BATTERY THERMAL ENERGY TRANSFER ASSEMBLY AND METHOD - An exemplary battery thermal transfer assembly includes a thermal interface material having a first side with a plurality of protrusions compressed against a plurality of battery cells, and an opposing, second side interfacing with a thermal exchange plate. Another exemplary battery thermal transfer assembly includes a thermal interface material sheet having a first side with a plurality of protrusions compressed against a plurality of battery cells, and an opposing, second side interfacing with a thermal exchange plate. | 2017-10-26 |
20170309978 | HEAT EXCHANGER FOR TEMPERING OF ENERGY STORAGE ELEMENTS OF AN ENERGY STORAGE - A heat exchanger may include a heat exchange surface partially coated with a heat-conducting layer. The heat exchange surface may include a plurality of contact regions coated with the heat-conducting layer and a plurality of insulating regions that are not coated with the heat-conducting layer. The heat exchange surface may further include a degree of coverage of the heat-conducting layer that varies to compensate at least one of at least one hot spot and at least one cold spot. The at least one hot spot and the at least one cold spot may be included within at least one of the heat exchange surface and a plurality of energy storage elements of an energy store that contacts the heat exchange surface. | 2017-10-26 |
20170309979 | ENERGY STORAGE APPARATUS AND METHOD FOR COOLING THE ENERGY STORAGE APPARATUS - An energy storage apparatus includes a chamber including a receiving space therein, battery racks including first and second battery rack groups positioned in the receiving space and spaced apart from each other while facing each other with reference to a center of the receiving space, an upper duct positioned above the receiving space configured to supply cooling fluid to a cooling space which is a space between the first battery rack group and the second battery rack group, a cooling unit positioned outside the receiving space and configured to cool the cooling fluid, and a fluid moving member comprising a moving space where the cooling fluid heated after cooling the battery racks moves to the cooling unit, in which the cooling unit is supplied with the heated cooling fluid from the moving space, cools the supplied cooling fluid, and then supplies a resultant fluid to the upper duct. | 2017-10-26 |
20170309980 | BATTERY PACK CASE HAVING EFFICIENT COOLING STRUCTURE - Disclosed herein is a battery pack case configured to receive a battery module assembly including a plurality of battery modules, each having a plurality of battery cells or unit modules mounted therein, sequentially stacked, wherein a coolant inlet port and a coolant outlet port are located at the upper part and the lower part of the battery pack case, respectively, in a state in which the coolant inlet port and the coolant outlet port are opposite to each other such that a coolant for cooling the unit modules flows from one side of the battery modules to the opposite side of the battery modules in a direction perpendicular to a direction in which the unit modules are stacked, and an inclined plate for guiding the flow of the coolant is provided between the battery pack case and the battery modules. | 2017-10-26 |