| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 429105000 | Active material in solution | 83 |
| 20100062327 | NON-TOXIC ALKALINE ELECTROLYTE WITH ADDITIVES FOR RECHARGEABLE ZINC CELLS - An electrolyte composition for zinc-based electrochemical cells that contains KOH and potassium acetate (KAcet) and/or soluble salts of cesium. The electrolyte significantly eliminates shape change and dendrite growth while retaining high ionic conductivity. Anticorrosion compounds such as soluble indium compounds may be included alone or in combination with auxiliary anticorrosion compounds such as soluble tin compounds to improve charged stand and shelf life. Optionally, lithium hydroxide may be added to the electrolyte to facilitate charge acceptance of the positive electrode, particularly at cold temperatures. | 03-11-2010 |
| 20100099018 | SECONDARY BATTERY - A secondary battery capable of improving cycle characteristics, initial charge and discharge characteristics, and swollenness characteristics is provided. The secondary battery includes a cathode, an anode, and an electrolytic solution. The electrolytic solution is impregnated in a separator provided between the cathode and the anode. A cathode active material layer of the cathode contains a lithium-nickel based composite oxide (LiNi1-xMxO2) as a cathode active material capable of inserting and extracting lithium ions. An anode active material layer of the anode contains a material having silicon as an element as an anode active material capable of inserting and extracting lithium ions. The usage ratio in the fully charged state of the anode is set from 20% to 70% both inclusive, and the thickness in discharged state in the initial charge and discharge of the anode active material layer is 40 μm or less | 04-22-2010 |
| 20100104934 | ACTIVE METAL / AQUEOUS ELECTROCHEMICAL CELLS AND SYSTEMS - Alkali (or other active) metal battery and other electrochemical cells incorporating active metal anodes together with aqueous cathode/electrolyte systems. The battery cells have a highly ionically conductive protective membrane adjacent to the alkali metal anode that effectively isolates (de-couples) the alkali metal electrode from solvent, electrolyte processing and/or cathode environments, and at the same time allows ion transport in and out of these environments. Isolation of the anode from other components of a battery cell or other electrochemical cell in this way allows the use of virtually any solvent, electrolyte and/or cathode material in conjunction with the anode. Also, optimization of electrolytes or cathode-side solvent systems may be done without impacting anode stability or performance. In particular, Li/water, Li/air and Li/metal hydride cells, components, configurations and fabrication techniques are provided. | 04-29-2010 |
| 20100216006 | REDOX BATTERY - The invention relates to a redox battery comprising a proton-permeable membrane, a first electrolyte ( | 08-26-2010 |
| 20110045332 | Redox Flow Battery System for Distributed Energy Storage - A large stack redox flow battery system provides a solution to the energy storage challenge of many types of renewable energy systems. Independent reaction cells arranged in a cascade configuration are configured according to state of charge conditions expected in each cell. The large stack redox flow battery system can support multi-megawatt implementations suitable for use with power grid applications. Thermal integration with energy generating systems, such as fuel cell, wind and solar systems, further maximize total energy efficiency. The redox flow battery system can also be scaled down to smaller applications, such as a gravity feed system suitable for small and remote site applications. | 02-24-2011 |
| 20110217581 | CONVERSION OF HEAT TO ELECTRIC ENERGY THROUGH CYCLIC ALTERATION OF SOLUTION - Conversion of heat to electric energy through cyclic alteration of solutions between two half cells of a galvanic cell. The half cell solutions differ in electrode ion concentration, creating in this way the electrochemical potential of the cell. The solutions are of low solubility electrolytes and part of the electrolyte is separated and transferred from one solution to the other. The method is a cyclic process so that no material consumption takes place. The electrolyte heat of solution is converted to electricity under a high efficiency and using tow temperature heat sources. | 09-08-2011 |
| 20120107660 | Redox Flow Batteries Based on Supporting Solutions Comprising a Mixture of Acids - Redox flow battery systems having a supporting solution that contains Cl” ions can exhibit improved performance and characteristics. Furthermore, a supporting solution having mixed SO | 05-03-2012 |
| 20120141856 | MODERATE TEMPERATURE SODIUM BATTERY - A rechargeable galvanic cell that has a negative electrode material made of a molten alkali metal (such as sodium or lithium). The galvanic cell also includes a positive electrode active material that may be sulfur or iodine. The positive electrode active material may be used in conjunction with a polar solvent. An ion-conductive separator is disposed between the polar solvent and the negative electrode material. The positive electrode active material has a specific gravity that is greater than the specific gravity of the polar solvent. Thus, the positive electrode active material is proximate the bottom of the positive electrode compartment while the polar solvent is above the positive electrode active material. The cell is designed to be operated at temperatures above the melting point of the alkali metal, but at temperatures that are lower than about 250° C. | 06-07-2012 |
| 20120202099 | FLOW BATTERY HAVING A LOW RESISTANCE MEMBRANE - A flow battery includes a membrane having a thickness of less than approximately one hundred twenty five micrometers; and a solution having a reversible redox couple reactant, wherein the solution wets the membrane. | 08-09-2012 |
| 20120208061 | FLOW CELL STACK - A stacked cell for a flow cell battery is presented. The stacked cell is sealed by a gasket between individual components. The gasket is formed such that it seals against leakage of electrolytes and facilitates the flow of electrolytes through the stacked cell. Further, the gasket is formed to minimize the linear expansion of the gasket material with temperature. | 08-16-2012 |
| 20120244405 | REDOX FLOW BATTERY - A redox flow (RF) battery performs charge and discharge by supplying a positive electrode electrolyte and a negative electrode electrolyte to a battery cell. Each of the positive electrode electrolyte and the negative electrode electrolyte contains a vanadium (V) ion as active material. At least one of the positive electrode electrolyte and the negative electrode electrolyte further contains another metal ion, for example, a metal ion such as a manganese ion that exhibits a higher redox potential than a V ion or a metal ion such as a chromium ion that exhibits a lower redox potential than a V ion. | 09-27-2012 |
| 20120258345 | FLOW BATTERY HAVING ELECTRODES WITH A PLURALITY OF DIFFERENT PORE SIZES AND OR DIFFERENT LAYERS - A flow battery includes an electrode operable to be wet by a solution having a reversible redox couple reactant. In one embodiment, the electrode can have plurality of micro and macro pores, wherein the macro pores have a size at least one order of magnitude greater than a size of the micro pores. In another embodiment, the electrode includes a plurality of layers, wherein one of the plurality of layers has a plurality of macro pores, and wherein another one of the plurality of layers has a plurality of micro pores. In another embodiment, the electrode has a thickness less than approximately 2 mm. In still another embodiment, the electrode has a porous carbon layer, wherein the layer is formed of a plurality of particles bound together. | 10-11-2012 |
| 20120263990 | SEPARATOR FOR REDOX FLOW BATTERY AND REDOX FLOW BATTERY - A separator for a redox flow battery and a redox flow battery including the same, and the separator includes a cation conductive film and an anion conductive film disposed on either side of the cation conductive film. | 10-18-2012 |
| 20120301767 | REDOX FLOW BATTERY - A redox flow battery, which includes an electrode assembly including a separator with positive and negative electrodes positioned respectively at both sides of the separator; a positive electrode supplier supplying a positive active material liquid to the positive electrode; and a negative electrode supplier supplying a negative active material liquid to the negative electrode. At least one of the positive and negative electrodes includes an electron-conductive substrate and a fine carbon layer on the electron-conductive substrate. This fine carbon layer includes carbon black, carbon nanotube, or a mixture of carbon black and carbon nanotube. | 11-29-2012 |
| 20120328927 | ELECTROCHEMICAL DEVICES AND RECHARGEABLE LITHIUM ION BATTERIES - An electrochemical device includes an electrochemical cell having a first volume for receiving a liquid reactant negative electrode material, a second volume for receiving a liquid reactant positive electrode material, and a lithium ion exchange membrane positioned between the first and second volumes. Liquid reactant negative electrode material includes lithium or a material including lithium. The lithium ion exchange membrane facilitates a lithium ion exchange reaction between the liquid reactant materials to generate a lithium depleted negative electrode material and a lithium enriched positive electrode material. The device also includes respective fluid exchange mechanisms i) to introduce the liquid reactant positive electrode material into the second volume and to extract the lithium enriched positive electrode material from the second volume and ii) to introduce the liquid reactant negative electrode material into the first volume and to extract the lithium depleted negative electrode material from the first volume. | 12-27-2012 |
| 20130022852 | Porous Electrode with Improved Conductivity - Methods for improving the electrical conductivity of a carbon felt material is provided. In some embodiments, a method improving the electrical conductivity of a carbon felt material comprises applying a carbon source liquid to at least a portion of a carbon felt material, optionally removing excess carbon source liquid from the carbon felt material, and converting the carbon source material to solid carbon, such as by heating. Also provided are materials and products created using these methods. | 01-24-2013 |
| 20130034766 | SEPARATOR FOR REDOX FLOW BATTERY AND REDOX FLOW BATTERY INCLUDING SAME - A separator for a redox flow battery including a proton conductive polymer including a first repeating unit represented by the following Chemical Formula 1a and a second repeating unit represented by the following Chemical Formula 1b, and a redox flow battery including the same. | 02-07-2013 |
| 20130071715 | Electricalchemical device - By providing external energy interacts with an electrolyte solution of an electricalchemical device to change the activation energy at the electrodes to control the rate of chemical reactions. | 03-21-2013 |
| 20130089767 | SYSTEMS AND METHODS FOR ASSEMBLING REDOX FLOW BATTERY REACTOR CELLS - A reactor assembly for a redox flow battery system is disclosed. The reactor assembly may include a plurality of outer frames, a plurality of inner frames, and a rib and channel interlock system integrated in the plurality of outer frames and the plurality of inner frames. In certain embodiments, the rib and channel interlock system may be configured to create a plurality of seal systems enclosing an outer circumference of an electrolyte compartment when the plurality of outer frames and the plurality of inner frames are compressed together in a stack configuration. | 04-11-2013 |
| 20130095362 | VANADIUM FLOW CELL - A Vanadium chemistry flow cell battery system is described. Methods of forming the electrolyte, a formulation for the electrolyte, and a flow system utilizing the electrolyte are disclosed. Production of electrolytes can include a combination of chemical reduction and electrochemical reduction. | 04-18-2013 |
| 20130122344 | AQUEOUS ELECTROLYTE LITHIUM SULFUR BATTERIES - Provided are lithium sulfur battery cells that use water as an electrolyte solvent. In various embodiments the water solvent enhances one or more of the following cell attributes: energy density, power density and cycle life. Significant cost reduction can also be realized by using an aqueous electrolyte in combination with a sulfur cathode. For instance, in applications where cost per Watt-Hour (Wh) is paramount, such as grid storage and traction applications, the use of an aqueous electrolyte in combination with inexpensive sulfur as the cathode active material can be a key enabler for the utility and automotive industries, providing a cost effective and compact solution for load leveling, electric vehicles and renewable energy storage. | 05-16-2013 |
| 20130130085 | ALKALI METAL-CATHODE SOLUTION BATTERY - An alkali metal-cathode solution storage battery includes an alkali metal anode including at least one alkali metal, a cathode including copper metal, and an alkali ion conducting electrolyte/separator separating the anode and cathode. An anode side electrolyte is between the anode and the separator, and a cathode side electrolyte is between the cathode and the separator. The cathode side electrolyte is selected to have capacity to dissolve metal ions from the alkali metal and electron conducting materials. An ion exchange reaction occurs during operation of the battery within the cathode side electrolyte. The battery can be operated at low temperature (i.e., <100° C.), and provide high specific energy density. The battery can be a planar battery arrangement. | 05-23-2013 |
| 20130157097 | COMPACT FRAMELESS BIPOLAR STACK FOR A MULTICELL ELECTROCHEMICAL REACTOR WITH PLANAR BIPOLAR ELECTRICAL INTERCONNECTS AND INTERNAL DUCTING OF CIRCULATION OF ELECTROLYTE SOLUTIONS THROUGH ALL RESPECTIVE CELL COMPARTMENTS - A frameless bipolar cell stack architecture with either internal manifolds of circulation of electrolyte solutions “in parallel” through all respective cell compartments or internal ducting adapted to provide for “serial” flow paths of the electrolyte solutions in succession through all respective cell compartments of the stack, does not employ any plastic frame and employs substantially planar bipolar electrical interconnects (I) of substantially homogeneous electrical conductivity with a perimeter that super-imposes to the perimeter of any other element of the stack. Whenever useful for the particular application, the planar interconnects may have a protruding “lug portion” that projects beyond the outer perimeter side of the other stacked elements, providing an externally contactable area sufficiently large for the power (current rating) of an electrical tap, at an intermediate voltage relative to the voltage difference between the end terminals of the stack, connectable to an external circuit. | 06-20-2013 |
| 20130224550 | Lithium-Based High Energy Density Flow Batteries - Systems and methods in accordance with embodiments of the invention implement a lithium-based high energy density flow battery. In one embodiment, a lithium-based high energy density flow battery includes a first anodic conductive solution that includes a lithium polyaromatic hydrocarbon complex dissolved in a solvent, a second cathodic conductive solution that includes a cathodic complex dissolved in a solvent, a solid lithium ion conductor disposed so as to separate the first solution from the second solution, such that the first conductive solution, the second conductive solution, and the solid lithium ionic conductor define a circuit, where when the circuit is closed, lithium from the lithium polyaromatic hydrocarbon complex in the first conductive solution dissociates from the lithium polyaromatic hydrocarbon complex, migrates through the solid lithium ionic conductor, and associates with the cathodic complex of the second conductive solution, and a current is generated. | 08-29-2013 |
| 20130252062 | SECONDARY REDOX FLOW BATTERY AND METHOD OF MAKING SAME - A secondary redox flow battery having a charge capacity and an efficiency includes an anode half-cell and a cathode half-cell having a fluid-containing vessel defining a cavity in which is disposed an electrode and a catholyte. The catholyte consists of a solvent, at least two cation species, and an anionic transition metal complex. The catholyte cation species are selected from the group consisting of Group I element ions, Group II element ions and ammonium ions. The battery also includes a reservoir fluidly communicating with the cavity and a separator ionically communicating between the anode half-cell and the cathode half-cell. The battery is capable of a discharge current equal to or greater than 20 milliamperes/cm | 09-26-2013 |
| 20130260204 | Energy Storage Systems Having an Electrode Comprising LixSy - Improved lithium-sulfur energy storage systems can utilizes Li | 10-03-2013 |
| 20130266836 | Hybrid Energy Storage Systems Utilizing Redox Active Organic Compounds - Redox flow batteries (RFB) have attracted considerable interest due to their ability to store large amounts of power and energy. Non-aqueous energy storage systems that utilize at least some aspects of RFB systems are attractive because they can offer an expansion of the operating potential window, which can improve on the system energy and power densities. One example of such systems has a separator separating first and second electrodes. The first electrode includes a first current collector and volume containing a first active material. The second electrode includes a second current collector and volume containing a second active material. During operation, the first source provides a flow of first active material to the first volume. The first active material includes a redox active organic compound dissolved in a non-aqueous, liquid electrolyte and the second active material includes a redox active metal. | 10-10-2013 |
| 20140004402 | DOUBLE-MEMBRANE TRIPLE-ELECTROLYTE REDOX FLOW BATTERY DESIGN | 01-02-2014 |
| 20140017544 | Hydrogen Recombinator - A recombinator for a flow battery including at least one input configured to provide a halogen containing flow stream and hydrogen gas to a reaction chamber and a substrate located in the reaction chamber. The substrate is configured to be directly heated and the substrate contains a catalyst. The recombinator is configured to react the hydrogen gas and the halogen using the catalyst to form a hydrogen-halogen compound. | 01-16-2014 |
| 20140170459 | Liquid Electrolyte for Increasing Capacity and Cycling Retention of Lithium Sulfur Battery - We provide a liquid electrolyte for a lithium-sulfur battery. Electrolytes of the invention may include a protecting additive; a lithium salt (in addition to LiNO | 06-19-2014 |
| 20140178735 | REDOX FLOW BATTERY SYSTEM - A redox flow battery system having an electrochemical cell and an energy reservoir. The system includes a cathodic compartment, an anodic compartment, a separator that divides the two compartments, and an energy reservoir which contains an electro-active material, electro-active ions, an electrolyte, and a redox mediator. The reservoir is connected to either the cathodic compartment or the anodic compartment via an inlet-outlet pair for circulating the electrolyte from the energy reservoir to the cathodic compartment or the anodic compartment. | 06-26-2014 |
| 20140193687 | REDOX FLOW BATTERY - A redox flow battery including a cathode cell having a cathode and a catholyte solution; an anode cell having an anode and an anolyte solution; and an ion exchange membrane disposed between the cathode cell and the anode cell, wherein the catholyte solution and the anolyte solution each include an electrolyte, wherein the electrolyte includes a plurality of metal-ligand coordination compounds, wherein at least one of the metal-ligand coordination compounds includes two or more different ligands, and wherein a dipole moment of the metal-ligand coordination compound is greater than 0. | 07-10-2014 |
| 20140248521 | HIGH ENERGY DENSITY REDOX FLOW DEVICE - Redox flow devices are described including a positive electrode current collector, a negative electrode current collector, and an ion-permeable membrane separating said positive and negative current collectors, positioned and arranged to define a positive electroactive zone and a negative electroactive zone; wherein at least one of said positive and negative electroactive zone comprises a flowable semi-solid composition comprising ion storage compound particles capable of taking up or releasing said ions during operation of the cell, and wherein the ion storage compound particles have a polydisperse size distribution in which the finest particles present in at least 5 vol % of the total volume, is at least a factor of 5 smaller than the largest particles present in at least 5 vol % of the total volume. | 09-04-2014 |
| 20140255746 | HIGH SURFACE AREA FLOW BATTERY ELECTRODES - A flow cell battery includes at least one anode compartment and at least one cathode compartment, with a separator membrane disposed between each anode compartment and each cathode compartment. Each anode compartment and cathode compartment includes a bipolar plate, a fluid electrolyte, and at least a carbon nanomaterial on the surface of the bipolar plate, wherein the fluid electrolyte flows around the carbon nanomaterial. | 09-11-2014 |
| 20140272512 | Redox Flow Battery System Configuration For Minimizing Shunt Currents - Various embodiments of redox flow battery stack assemblies may include a plurality of multiple-block strings, where each string may include a plurality of reaction blocks connected in electrical series and in fluidic parallel. Various embodiments provide configurations and systems for mitigating or substantially reducing shunt currents in common electrolyte conduits. | 09-18-2014 |
| 20140295238 | CURRENT COLLECTOR FOR BATTERY AND SECONDARY BATTERY COMPRISING THE SAME - Provided is a current collector including a laminate in which a conductive substrate and an insulator are laminated, wherein the insulator is a porous insulator formed with an open pore channel penetrating through the insulator. The current collector may be used as a current collector for an electrode of a secondary battery and stably maintain capacity of the secondary battery at the time of repeating charge and discharge cycles. | 10-02-2014 |
| 20140349160 | REDOX FLOW SECONDARY BATTERY AND ELECTROLYTE MEMBRANE FOR REDOX FLOW SECONDARY BATTERY - The purpose of the present invention is to provide a redox flow secondary battery which has low electrical resistance and excellent current efficiency in addition to durability. The present invention relates to: an electrolyte membrane for redox flow secondary batteries, which contains an ion exchange resin composition containing a fluorine-based polymer electrolyte; and a redox flow secondary battery which uses the electrolyte membrane for redox flow secondary batteries. | 11-27-2014 |
| 20140349161 | SYSTEMS AND METHODS FOR SHUNT CURRENT AND MECHANICAL LOSS MITIGATION IN ELECTROCHEMICAL SYSTEMS - Systems and methods for shunt current and mechanical loss mitigation in electrochemical systems include a conduit providing at least a portion of an electrically conductive pathway between the first and second electrochemical cells, wherein the conduit includes at least one shunt current suppression device configured as a loop, and/or a connector assembly for maintaining first and second connecting portions in adjacent positioning. | 11-27-2014 |
| 20150125729 | ION EXCHANGE MEMBRANE, METHOD OF PREPARING THE SAME, AND REDOX FLOW BATTERY COMPRISING THE SAME - An ion exchange membrane for a redox flow battery, the anion exchange membrane including a porous substrate; and a polymer disposed in the porous substrate, wherein the polymer is a polymerization product of a composition for forming the ion exchange membrane, wherein the composition includes a first monomer and a second monomer, wherein the first monomer is substituted with a group including an ethylenic unsaturated double bond and includes a cationic heterocyclic compound including a nitrogen heteroatom and a counter anion thereof, and wherein the second monomer is polymerizable with the first monomer and is at least one selected from a (meth)acrylamide compound and a (meth)acrylate compound. | 05-07-2015 |
| 20150147620 | REDOX FLOW BATTERY - A redox flow battery including: a cathode cell including a cathode, a catholyte, and a bipolar plate; an anode cell including an anode, an anolyte, and a bipolar plate; and an ion exchange membrane interposed between the cathode cell and the anode cell, wherein at least one of the cathode and the anode comprises a carbon-coated metal foam, wherein the ion exchange membrane includes a porous substrate and a polymer disposed in pores of the porous substrate, wherein the polymer is a polymerization product of a composition for preparing an ion exchange membrane, and wherein the composition for preparing an ion exchange membrane includes a first aromatic vinyl monomer including a halogenated alkyl group or a quaternary ammonium group, and wherein the bipolar plate includes Ni, Cu, Fe, Cr, Al, W, Ti, or a mixture thereof, or an alloy thereof. | 05-28-2015 |
| 20150295281 | Vanadium Redox Battery - A vanadium redox battery is a battery capable of charging and discharging utilizing an oxidation-reduction reaction of vanadium as an active material. The vanadium redox battery includes a cathode and an anode. The vanadium redox battery includes an auxiliary electrode that is provided in at least one of the cathode and the anode. | 10-15-2015 |
| 20150303452 | Sodium Secondary Battery Having Graphite Felt - Provided is a sodium secondary battery including: a sodium ion conductive solid electrolyte separating an anode space and a cathode space from each other; an anode positioned in the anode space and containing sodium; a cathode solution positioned in the cathode space; and a cathode immersed in the cathode solution and including graphite felt formed with open pore channel of which an opening part is formed on a surface of the graphite felt facing the solid electrolyte. | 10-22-2015 |
| 20150318532 | BIFUNCTIONAL SEPARATORS FOR LITHIUM-SULFUR BATTERIES - The present disclosure relates to a lithium-sulfur rechargeable battery containing a lithium-containing anode, a sulfur-containing cathode, and a bifunctional separator having a microporous, conductive layer facing the cathode of the battery. The bifunctional separator can inhibit polysulfide diffusion and improve sulfur cathode material reutilization to improve cell cycling stability and discharge capacity. | 11-05-2015 |
| 20150333335 | FLOW BATTERY HAVING ELECTRODES WITH A PLURALITY OF DIFFERENT PORE SIZES AND OR DIFFERENT LAYERS - A flow battery includes an electrode operable to be wet by a solution having a reversible redox couple reactant. In one embodiment, the electrode can have plurality of micro and macro pores, wherein the macro pores have a size at least one order of magnitude greater than a size of the micro pores. In another embodiment, the electrode includes a plurality of layers, wherein one of the plurality of layers has a plurality of macro pores, and wherein another one of the plurality of layers has a plurality of micro pores. In another embodiment, the electrode has a thickness less than approximately 2 mm. In still another embodiment, the electrode has a porous carbon layer, wherein the layer is formed of a plurality of particles bound together. | 11-19-2015 |
| 20150349342 | REDOX BATTERY USE FOR POLYOXOMETALLATE - The present invention provides a redox battery comprising a polyoxometallate as at least one redox couple. Preferably, the redox battery comprises two electrodes separated by an ion exchange membrane or other separator; means for supplying a first redox couple to the first electrode region of the cell; means for supplying a second redox couple to the second electrode region of the cell, the potential of the first redox couple being higher than that of the second redox couple, and at least the higher potential redox couple comprising polyoxometallate. | 12-03-2015 |
| 20150380760 | ALL-VANADIUM REDOX FLOW BATTERY SYSTEM EMPLOYING A V+4/V+5 REDOX COUPLE AND AN ANCILLARY Ce+3/Ce+4 REDOX COUPLE IN THE POSITIVE ELECTROLYTE SOLUTION - An ancillary Ce | 12-31-2015 |
| 20160020479 | ELECTRICITY STORAGE BATTERY - An electricity storage battery is described, including an anode electrolyte solution 32 that contains a zinc redox material and an amine represented by a general formula (1) below: | 01-21-2016 |
| 20160093925 | IN-SITU ELECTROLYTE PREPARATION IN FLOW BATTERY - A method of in-situ electrolyte preparation in a flow battery includes providing a vanadium-based electrolyte solution having vanadium ions of predominantly vanadium V | 03-31-2016 |
| 20160126580 | ELECTROLYTE FOR STABLE CYCLING OF HIGH-ENERGY LITHIUM SULFUR REDOX FLOW BATTERIES - A device comprising:
| 05-05-2016 |
| 20160149251 | METAL COMPLEXES OF SUBSTITUTED CATECHOLATES AND REDOX FLOW BATTERIES CONTAINING THE SAME - Active materials for flow batteries can include various coordination compounds formed from transition metals. Some compositions containing coordination compounds can include a substituted catecholate ligand having a structure of | 05-26-2016 |
| 20160181626 | NON-AQUEOUS FLOW CELL COMPRISING A POLYURETHANE SEPARATOR | 06-23-2016 |
| 20160190588 | COSOLVENT ELECTROLYTES FOR ELECTROCHEMICAL DEVICES - A system and method for stabilizing electrodes against dissolution and/or hydrolysis including use of cosolvents in liquid electrolyte batteries for three purposes: the extension of the calendar and cycle life time of electrodes that are partially soluble in liquid electrolytes, the purpose of limiting the rate of electrolysis of water into hydrogen and oxygen as a side reaction during battery operation, and for the purpose of cost reduction. | 06-30-2016 |
| 20160190629 | COSOLVENT ELECTROLYTES FOR ELECTROCHEMICAL DEVICES - A system and method for stabilizing electrodes against dissolution and/or hydrolysis including use of cosolvents in liquid electrolyte batteries for three purposes: the extension of the calendar and cycle life time of electrodes that are partially soluble in liquid electrolytes, the purpose of limiting the rate of electrolysis of water into hydrogen and oxygen as a side reaction during battery operation, and for the purpose of cost reduction. | 06-30-2016 |
| 20160204458 | VANADIUM FLOW CELL | 07-14-2016 |
| 20160380264 | Bipolar Battery Electrode Having Improved Carbon Surfaces and Method of Manufacturing Same - An electrode and a method of manufacturing an electrode for a flowing electrolyte battery enable improved robustness and reduced manufacturing costs of bipolar electrodes for flowing electrolyte batteries. The electrode includes a polymer sheet having a first side and a second side; a graphite layer on the first side; and an activated carbon layer on the second side. | 12-29-2016 |
| 20160380297 | ION EXCHANGE MEMBRANE AND MANUFACTURING METHOD THEREFOR - The present invention relates to an ion exchange membrane and a manufacturing method therefor and, more specifically, to an ion exchange membrane comprising a cross-linked sulfonated triblock copolymer and carbon nanotube, which is utilizable in a redox flow energy storage device, etc. due to high ion conductivity, mechanical strength and ion selectivity. The ion exchange membrane of the present invention has superior ion selectivity and mechanical strength and thus can greatly improve the performance of a fuel battery, etc. when applied thereto. | 12-29-2016 |
| 20170237104 | BATTERY CELL AND REDOX FLOW BATTERY | 08-17-2017 |
| 20170237129 | Quaternary Ammonium Halides With Ether Functional Groups For Use As Battery Electrolytes | 08-17-2017 |
| 429106000 | Copper sulfate solution | 3 |
| 20130004819 | ELECTROLYTE FOR REDOX FLOW BATTERY AND REDOX FLOW BATTERY INCLUDING THE SAME - An electrolyte for a redox flow battery and a redox flow battery including the electrolyte, the electrolyte including a metal-ligand coordination compound as a cation and an anion containing at least four atoms linked to each other by a straight chain in a certain direction. | 01-03-2013 |
| 20140030571 | BATTERY CHARGE TRANSFER MECHANISMS - The present invention provides a secondary cell having a negative electrode compartment and a positive electrode compartment, which are separated by an alkali ion conductive electrolyte membrane. An alkali metal negative electrode disposed in the negative electrode compartment oxidizes to release alkali ions as the cell discharges and reduces the alkali ions to alkali metal during recharge. The positive electrode compartment includes a positive electrode contacting a positive electrode solution that includes an alkali metal compound and a metal halide. The alkali metal compound can be selected from an alkali halide and an alkali pseudo-halide. During discharge, the metal ion reduces to form metal plating on the positive electrode. As the cell charges, the metal plating oxidizes to strip the metal plating to form metal halide or pseudo halide or corresponding metal complex. | 01-30-2014 |
| 20140234684 | Redox Flow Battery System including an Anode Electrode having a Subsurface Alloy - A hydrogen/bromine reduction-oxidation flow battery system includes a bromine electrode, a hydrogen electrode, a membrane, a first catalyst, and a second catalyst. The membrane is positioned between the bromine electrode and the hydrogen electrode. The first catalyst is associated with the bromine electrode. The second catalyst is associated with the hydrogen electrode and at least partially formed from a subsurface alloy configured (i) to promote facile dissociation of H | 08-21-2014 |
| 429107000 | Iron containing material | 16 |
| 20100143781 | METHODS FOR THE PREPARATION AND PURIFICATION OF ELECTROLYTES FOR REDOX FLOW BATTERIES - A method for preparing a redox flow battery electrolyte is provided. In some embodiments, the method includes the processing of raw materials containing sources of chromium ions and/or iron ions. The method further comprises the removal of impurities such as metal ions from those raw materials. In some embodiments, a reductant may be used to remove metal impurities from an aqueous electrolyte containing chromium ions and/or nickel ions. In some embodiments, the reductant is an amalgam. In some embodiments, the reductant is a zinc amalgam. Also provided is a method for removing ionic impurities from an aqueous acid solution. Further provided a redox flow battery comprising at least one electrolyte prepared from the above-identified methods. | 06-10-2010 |
| 20110189520 | HIGH ENERGY DENSITY REDOX FLOW DEVICE - Redox flow devices are described including a positive electrode current collector, a negative electrode current collector, and an ion-permeable membrane separating said positive and negative current collectors, positioned and arranged to define a positive electroactive zone and a negative electroactive zone; wherein at least one of said positive and negative electroactive zone comprises a flowable semi-solid composition comprising ion storage compound particles capable of taking up or releasing said ions during operation of the cell, and wherein the ion storage compound particles have a polydisperse size distribution in which the finest particles present in at least 5 vol % of the total volume, is at least a factor of 5 smaller than the largest particles present in at least 5 vol % of the total volume. | 08-04-2011 |
| 20120077067 | Fe-V Redox Flow Batteries - A redox flow battery having a supporting solution that includes Cl | 03-29-2012 |
| 20120077068 | Redox Flow Batteries Having Multiple Electroactive Elements - Introducing multiple redox reactions with a suitable voltage range can improve the energy density of redox flow battery (RFB) systems. One example includes RFB systems utilizing multiple redox pairs in the positive half cell, the negative half cell, or in both. Such RFB systems can have a negative electrolyte, a positive electrolyte, and a membrane between the negative electrolyte and the positive electrolyte, in which at least two electrochemically active elements exist in the negative electrolyte, the positive electrolyte, or both. | 03-29-2012 |
| 20120107661 | REDOX FLOW BATTERY - A redox flow battery including a positive electrode electrolyte and a negative electrode electrolyte, each of which includes a metal-ligand coordination complex, in which a metal of a metal-ligand coordination complex of the positive electrode electrolyte is different from a metal of a metal-ligand coordination complex of the negative electrode electrolyte. Due to use of different metals in the positive and negative electrode electrolytes, the redox flow battery has high energy density and high charge and discharge efficiency. | 05-03-2012 |
| 20120171541 | REDOX FLOW BATTERY - A redox flow battery. A metal-ligand coordination compound including an aromatic ligand that contains an electron withdrawing group is used as the catholyte and/or the anolyte so that a redox flow battery having high energy density and excellent charge/discharge efficiency may be provided. | 07-05-2012 |
| 20120171542 | SECONDARY BATTERY - A secondary battery including: a positive electrode which comprises an oxide which absorbs and releases lithium ions; a negative electrode which comprises a material which absorbs and releases the lithium ions; and a first electrolyte solution which transports charge carriers between the positive electrode and the negative electrode; wherein the positive electrode comprises a compound, which is represented by the composition formula Li | 07-05-2012 |
| 20120208062 | LITHIUM SECONDARY CELL - A lithium secondary cell, having: a negative electrode, a negative electrode-electrolyte solution, a separator, a positive electrode-electrolyte solution, and a positive electrode, which are disposed in this order, in which the separator is a solid electrolyte through which only lithium ions pass. | 08-16-2012 |
| 20120244406 | Iron-Sulfide Redox Flow Batteries - Iron-sulfide redox flow battery (RFB) systems can be advantageous for energy storage, particularly when the electrolytes have pH values greater than 6. Such systems can exhibit excellent energy conversion efficiency and stability and can utilize low-cost materials that are relatively safer and more environmentally friendly. One example of an iron-sulfide RFB is characterized by a positive electrolyte that comprises Fe(III) and/or Fe(II) in a positive electrolyte supporting solution, a negative electrolyte that comprises S | 09-27-2012 |
| 20130084482 | REBALANCING ELECTROLYTES IN REDOX FLOW BATTERY SYSTEMS - Embodiments of redox flow battery rebalancing systems include a system for reacting an unbalanced flow battery electrolyte with a rebalance electrolyte in a first reaction cell. In some embodiments, the rebalance electrolyte may contain ferrous iron (Fe | 04-04-2013 |
| 20140004403 | MULTIPLE-MEMBRANE MULTIPLE-ELECTROLYTE REDOX FLOW BATTERY DESIGN | 01-02-2014 |
| 20140030572 | AQUEOUS REDOX FLOW BATTERIES COMPRISING METAL LIGAND COORDINATION COMPOUNDS - This invention is directed to aqueous redox flow batteries comprising redox-active metal ligand coordination compounds. The compounds and configurations described herein enable flow batteries with performance and cost parameters that represent a significant improvement over that previous known in the art. | 01-30-2014 |
| 20140030573 | AQUEOUS REDOX FLOW BATTERIES FEATURING IMPROVED CELL DESIGN CHARACTERISTICS - This invention is directed to aqueous redox flow batteries comprising ionically charged redox active materials and separators, wherein the separator is less than about 100 microns and the flow battery is capable of operating with high energy densities and voltage efficiencies. | 01-30-2014 |
| 20140079976 | Iron-Sulfide Redox Flow Batteries - Iron-sulfide redox flow battery (RFB) systems can be advantageous for energy storage, particularly when the electrolytes have pH values greater than 6. Such systems can exhibit excellent energy conversion efficicency and stability and can utilize low-cost materials that are relatively safer and more environmentally friendly. One example of an iron-sulfide RFB is characterized by a positive electrolyte that comprises Fe(III) and/or Fe(II) in a positive electrolyte supporting solution, a negative electrolyte that comprises S | 03-20-2014 |
| 20140170460 | REDOX FLOW BATTERY - Provided is a redox flow battery including a positive electrode cell having a positive electrode and a catholyte solution; a negative electrode cell having a negative electrode and an anolyte solution; and an ion-exchange membrane disposed between the positive electrode cell and the negative electrode cell, wherein the catholyte solution and the anolyte solution each includes a non-aqueous solvent, a supporting electrolyte, and an electrolyte, and wherein the electrolyte includes a metal-ligand coordination compound, and at least one of the metal-ligand coordination compounds includes a ligand having an electron donating group. | 06-19-2014 |
| 20150044537 | INORGANIC MICROPOROUS ION EXCHANGE MEMBRANES FOR REDOX FLOW BATTERIES - A composite structure comprising a layer of zeolite having a high silica to alumina ratio supported on a support layer acts as a separator in a redox flow battery. The zeolite can be either supported on a rigid substrate, such as alumina, or a flexible substrate, such as a polymeric film. The polymeric film, in particular, can be an ion exchange membrane such as Nafion. The zeolite layer with a high silica to aluminum ratio provides a long-lasting separator for redox flow batteries. | 02-12-2015 |
| 429108000 | Nitrogen containing material | 4 |
| 20150295265 | ELECTRICITY-STORAGE BATTERY - An electricity storage battery is described, including a cathode electrolyte solution that contains a manganese redox material and an amine represented by a general formula (1) below: | 10-15-2015 |
| 20150372333 | NON-AQUEOUS REDOX FLOW BATTERIES INCLUDING 3,7-PERFLUOROALKYLATED PHENOTHIAZINE DERIVATIVES - A non-aqueous redox flow battery includes a negative electrode immersed in a first non-aqueous liquid electrolyte solution, a positive electrode immersed in a second non-aqueous liquid electrolyte solution, and a semi-permeable separator interposed between the negative and positive electrodes, wherein the second the non-aqueous liquid electrolyte solution comprises a compound of the formula: | 12-24-2015 |
| 20160141698 | REDOX FLOW BATTERY - A redox flow battery includes a charge/discharge cell ( | 05-19-2016 |
| 20160141699 | REDOX FLOW BATTERY - A redox flow battery. A metal-ligand coordination compound including an aromatic ligand that contains an electron withdrawing group is used as the catholyte and/or the anolyte so that a redox flow battery having high energy density and excellent charge/discharge efficiency may be provided. | 05-19-2016 |
| 429109000 | Chromium containing material | 2 |
| 20120045680 | REDOX FLOW BATTERY - A redox flow battery having a high electromotive force and capable of suppressing generation of a precipitation is provided. In a redox flow battery | 02-23-2012 |
| 20120282509 | REDOX FLOW BATTERY - A redox flow (RF) battery is provided that performs charge and discharge by supplying a positive electrode electrolyte and a negative electrode electrolyte to a positive electrode cell and a negative cell, respectively. Each of the positive and negative electrode electrolytes contains a vanadium (V) ion as active material. At least one of the positive and negative electrode electrolytes further contains another metal ion, for example, a manganese ion that exhibits a higher redox potential than a V ion or a chromium ion that exhibits a lower redox potential than a V ion. Even in cases where the RF battery is nearly fully charged, side reactions such as generation of oxygen has or hydrogen gas due to water decomposition and oxidation degradation of an electrode can be suppressed since the above-mentioned another metal ion contained together with the V ion is oxidized or reduced in the late stage of charge. | 11-08-2012 |
