| Entries |
| Document | Title | Date |
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| 20080233484 | Battery with Gelled Electrolyte - An electric device comprises a gelled acid electrolyte in complex with a lanthanide that forms a redox pair with a second element. Preferred electric devices include batteries, and especially primary batteries, while preferred acid electrolytes have a sulfonic acid group. Contemplated lanthanides especially include cerium, and preferred second elements particularly include zinc. Alternatively, contemplated electric devices may comprise a gelled electrolyte in which with a lanthanide forms a redox pair with zinc. | 09-25-2008 |
| 20080292969 | GEL ELECTROLYTE SECONDARY BATTERY - A gel electrolyte secondary battery includes a positive electrode, a negative electrode containing a binder-containing negative electrode mixture and a gel non-aqueous electrolyte, wherein the binder contains polyvinylidene fluoride and polyacrylonitrile or a styrene-butadiene rubber. | 11-27-2008 |
| 20090029263 | APROTIC POLYMER/MOLTEN SALT TERNARY MIXTURE SOLVENT, METHOD FOR THE PRODUCTION AND USE THEREOF IN ELECTROCHEMICAL SYSTEMS - The invention relates to an aprotic polymer/molten salt ternary mixture solvent and to a corresponding quaternary mixture additionally comprising an ionic conducting salt, which are prepared by mixing the constituents of the mixture. These mixtures are advantageously used in the preparation of electrochemical membranes, electrochemical systems and of electrochromic systems. The invention also relates to electrochemical and electrochromic systems obtained hereby that exhibit, in particular, excellent electrochemical properties at low temperatures. | 01-29-2009 |
| 20090053610 | Polymer electrolyte and nonaqueous battery containing the same - A nonaqueous battery, such as a lithium ion battery, is formed from a polymer electrolyte comprising: a vinylidene fluoride copolymer comprises 90 to 97 wt. % of vinylidene fluoride monomer units and 3 to 10 wt. % of units of at least one monomer copolymerizable with the vinylidene fluoride monomer and has an inherent viscosity of 1.5 to 10 dl/g. The polymer electrolyte stably retains the nonaqueous electrolytic solution in a large amount and has excellent strength in this state. | 02-26-2009 |
| 20090123845 | Electrolyte purification method, electrolytes and generators thus obtained and use of same - Process for the purification of an ionic electrolyte comprising at least one alkali metal salt, the process having at least one stage in which particles of at least one calcium salt are brought into contact. The process makes it possible to obtain electrolytes characterized in particular by a particularly low water content. The corresponding electrochemical generators which incorporate the electrolyte as constituent component are characterized by a noteworthy stability and are particularly safe. | 05-14-2009 |
| 20090263723 | APROTIC POLYMER/MOLTEN SALT TERNARY MIXTURE SOLVENT, METHOD FOR THE PRODUCTION AND USE THEREOF IN ELECTROCHEMICAL SYSTEMS - The invention relates to an aprotic polymer/molten salt ternary mixture solvent and to a corresponding quaternary mixture additionally comprising an ionic conducting salt, which are prepared by mixing the constituents of the mixture. These mixtures are advantageously used in the preparation of electrochemical membranes, electrochemical systems and of electrochromic systems. The invention also relates to electrochemical and electrochromic systems obtained hereby that exhibit, in particular, excellent electrochemical properties at low temperatures. | 10-22-2009 |
| 20100081060 | ELECTROLYTE AND LITHIUM SECONDARY BATTERY USING THE SAME - A polymerizable composition for electrochemical devices contains a polymerizable compound of Formula 1 and a polymerizable compound of Formula 2, wherein “x” is an integer of 4 to 6; “m” is an integer of 1 to 10; and R is a lower alkyl group. The composition is polymerized to provide a polymer, and the polymer is used in an electrolyte to provide a gel electrolyte. The gel electrolyte has a high degree of swelling with electrolytic solution and thereby shows a high ionic conductivity. | 04-01-2010 |
| 20100092869 | LITHIUM ION BATTERY - To provide high energy density, good cycle properties and rate characteristics and long-term safety of a lithium ion battery containing at least an ionic liquid and a lithium salt. The above problems are solved by suppressing reduction and decomposition of the ionic liquid on an anode by using a graphite coated with an amorphous carbon or onto which an amorphous carbon is deposited as an anode active material. | 04-15-2010 |
| 20100112455 | SOLVENTS AND NOVEL ELECTROLYTIC COMPOSITIONS HAVING A LARGE RANGE OF STABILITY AND HIGH CONDUCTIVITY - The present invention is concerned with novel polar solvents and novel electrolytic compositions comprising such solvents, and having a high range of stability, as required for applications in the field of electrochemistry. The present solvents have a highly polar amide function, and preferably combine with a salt soluble in the solvent and having an anion with a delocalized charge, and at least one polymer, to form an electrolytic composition. | 05-06-2010 |
| 20100119950 | POLYMER ELECTROLYTE, LITHIUM BATTERY COMPRISING THE POLYMER ELECTROLYTE, METHOD OF PREPARING THE POLYMER ELECTROLYTE, AND METHOD OF PREPARING THE LITHIUM BATTERY - A polymer electrolyte including: a lithium salt; an organic solvent; a fluorine compound; and a polymer of a monomer represented by Formula 1 below. | 05-13-2010 |
| 20100136435 | SECONDARY BATTERY AND MANUFACTURING METHOD OF THE SAME - Disclosed is a secondary battery including (i) a cathode; (ii) an anode; (iii) a separator; and (iv) a gel polymer electrolyte composition including an electrolyte solvent, an electrolyte salt, and a polymerizable monomer, wherein a polymerization initiator is coated or added on at least one battery device element in contact with the gel polymer electrolyte composition. Also, the secondary battery including a cathode, an anode, a separator, and a gel polymer electrolyte is manufactured by the steps of: coating or adding a polymerization initiator on/to at least one battery device element in contact with the gel polymer electrolyte; inserting the cathode, the anode, and the separator into a battery case; and forming the gel polymer electrolyte by injecting a gel polymer electrolyte composition including an electrolyte solvent, an electrolyte salt, and a polymerizable monomer into the battery case, and carrying out polymerization. | 06-03-2010 |
| 20100196763 | GELLING AGENT FOR BATTERIES - The present invention has its object to provide a gelling agent for a battery, which forms a paste gel in a short period of time on dissolution in an alkaline electrolyte. The gel has less bubbles and a high gel density. | 08-05-2010 |
| 20100239917 | ELECTROLYTE COMPRISING EUTECTIC MIXTURE AND SECONDARY BATTERY USING THE SAME - Disclosed is an electrolyte for a secondary battery, comprising an eutectic mixture consisting of: (a) am amide group-containing compound with at least one EDG introduced into the N-position thereof; and (b) an ionizable lithium salt. Also, provided are a secondary battery comprising such an electrolyte, and a method of adjusting an electrochemical stability window of an eutectic mixture consisting of an amide group-containing compound and a lithium salt by regulating electron donating properties of at least one substituent group introduced into the N-position of the amide group-containing compound. | 09-23-2010 |
| 20100279174 | SECONDARY BATTERIES WITH TREATED BENTONITE CATHODES - Provided herein is an electrochemical cell for a secondary battery, which includes a positive electrode having an active intercalation cathode material of treated bentonite; a negative electrode material having an active anode material containing one of magnesium and sodium; an electrolyte positioned in contact with at least one of the positive electrode and the negative electrode; wherein, when the active anode material contains magnesium, the electrolyte is a solid gel polymeric electrolyte; and wherein, when the active anode material is sodium, the electrolyte is a salt electrolyte, both the anode material and the electrolyte are molten at the operating temperature of the battery, and the cell further comprises a beta alumina solid electrolyte separator between the negative electrode and the electrolyte. | 11-04-2010 |
| 20100279175 | SECONDARY BATTERIES WITH TREATED BENTONITE CATHODES HAVING ENHANCED CONDUCTIVITY - An electrochemical cell for a secondary battery is provided, which includes a positive electrode having an intercalation cathode material of bentonite; a negative electrode material having an anode material containing one of magnesium and sodium; an electrolyte positioned in contact with at least one of the positive electrode and the negative electrode; wherein, when the anode material contains magnesium, the electrolyte is a solid gel polymeric electrolyte; and wherein, when the anode material is sodium, the electrolyte is a salt electrolyte, both the anode material and the electrolyte are molten at the operating temperature of the battery, and the cell further comprises a beta alumina solid electrolyte separator between the negative electrode and the electrolyte. To increase its conductivity, the bentonite material is treated, before cell assembly, with an acid and/or intercalated with an anilinium ion, which is then polymerized to form a polyaniline within the bentonite framework. | 11-04-2010 |
| 20100316913 | THIN-FILM BATTERIES WITH POLYMER AND LiPON ELECTROLYTE LAYERS AND METHOD - A method and apparatus for making thin-film batteries having composite multi-layered electrolytes with soft electrolyte between hard electrolyte covering the negative and/or positive electrode, and the resulting batteries. In some embodiments, foil-core cathode sheets each having a cathode material (e.g., LiCoO | 12-16-2010 |
| 20110014523 | ELECTROLYTE HAVING EUTECTIC MIXTURE AND ELECTROCHEMICAL DEVICE CONTAINING THE SAME - An electrolyte includes a eutectic mixture composed of (a) an alkoxy alkyl group-containing amide compound having a specific chemistry formula; and (b) an ionizable lithium salt. The eutectic mixture contained in the electrolyte has excellent high temperature stability as well as inherent characteristics of eutectic mixtures such as excellent thermal stability and excellent chemical stability, so it contributes to improvement of high temperature stability and decrease the lowest limit of a electrochemical window. Thus, the electrolyte may be usefully applied to electrochemical devices using various anode materials. | 01-20-2011 |
| 20110045357 | ELECTROLYTE AND CELL - Disclosed herein is an electrolyte including: a solvent; an electrolyte salt; and an alkanamine derivative represented by the following formula (1): | 02-24-2011 |
| 20110052999 | ELECTROLYTE HAVING EUTECTIC MIXTURE AND ELECTROCHEMICAL DEVICE CONTAINING THE SAME - An electrolyte includes an eutectic mixture composed of (a) a hetero cyclic compound having a predetermined chemistry figure, and (b) an ionizable lithium salt. An electrochemical device having the electrolyte. The eutectic mixture included in the electrolyte exhibits inherent characteristics of an eutectic mixture such as excellent thermal stability and excellent chemical stability, thereby improving the problems such as evaporation, ignition and side reaction of an electrolyte caused by the usage of existing organic solvents. | 03-03-2011 |
| 20110104573 | DEVICE FOR POWER GENERATION - In a device ( | 05-05-2011 |
| 20110129738 | NONAQUEOUS ELECTROLYTE BATTERY - A nonaqueous electrolyte battery includes a positive electrode, a negative electrode and a nonaqueous electrolyte. The nonaqueous electrolyte contains a solvent, an electrolyte salt and an additive. Also, the additive includes an aromatic nitrile compound having two or more nitrogen atoms. | 06-02-2011 |
| 20110159376 | PROTECTION OF ANODES FOR ELECTROCHEMICAL CELLS - Provided is an anode for use in electrochemical cells, wherein the anode active layer has a first layer comprising lithium metal and a multi-layer structure comprising single ion conducting layers and polymer layers in contact with the first layer comprising lithium metal or in contact with an intermediate protective layer, such as a temporary protective metal layer, on the surface of the lithium-containing first layer. Another aspect of the invention provides an anode active layer formed by the in-situ deposition of lithium vapor and a reactive gas. The anodes of the current invention are particularly useful in electrochemical cells comprising sulfur-containing cathode active materials, such as elemental sulfur. | 06-30-2011 |
| 20110195314 | METHOD OF PREPARING GEL POLYMER ELECTROLYTE SECONDARY BATTERY AND GEL POLYMER ELECTROLYTE SECONDARY BATTERY - Provided are a method of preparing a gel polymer electrolyte secondary battery, and a gel polymer electrolyte secondary battery prepared by the method. The gel polymer electrolyte secondary battery includes a cathode, an anode, a separator and a gel polymer electrolyte in a battery case. The method includes (S1) coating a polymerization initiator on a surface of at least one selected from a group consisting of a cathode, an anode, a separator of a non-woven fabric, and a battery case, the surface needed to be contacted with a gel polymer electrolyte; (S2) putting an electrode assembly including the cathode, the anode, the separator of a non-woven fabric into the battery case; and (S3) forming a gel polymer electrolyte by introducing a gel polymer electrolyte composition including an electrolyte solvent, an electrolyte salt and a polymer electrolyte monomer into the battery case, and polymerizing the monomer. | 08-11-2011 |
| 20110206995 | THICKENING AGENT FOR ALKALINE BATTERY, AND ALKALINE BATTERY - Provided are a thickening agent for an alkaline battery, which can satisfactorily retain long-term discharge characteristics (discharge quantity and discharge time) and provide excellent impact resistance, and an alkaline battery used therewith. In the invention, the thickening agent for an alkaline battery comprises (A) a crosslinked polymer comprising, as essential constituent units, (a1) a water-soluble vinyl monomer and/or (a2) a vinyl monomer being converted into (a1) by hydrolysis, (b) a hydrolyzable crosslinking agent undergoing alkaline hydrolysis, and (c) a non-hydrolyzable crosslinking agent not undergoing alkaline hydrolysis, wherein (b) and (c) each has a content of 0.05% to 1% by weight based on the weight of (A), and satisfies Requirements (1) and (2) described below: Requirement (1): the weight ratio (b)/(c) between (b) and (c) is from 1.0 to 5.0; Requirement (2): a specific solution (S1) has a viscosity of 25 to 100 Pa·s at 25° C. | 08-25-2011 |
| 20110217598 | NONAQUEOUS ELECTROLYTE BATTERY AND NONAQUEOUS ELECTROLYTE - A nonaqueous electrolyte battery includes: a positive electrode; a negative electrode; a nonaqueous electrolyte that includes a solvent and an electrolyte salt, the solvent including a halogenated cyclic carbonate of the Formula (1) below, or at least one of unsaturated cyclic carbonates of the Formulae (2) and (3) below; and a polyacid and/or a polyacid compound contained in the battery, | 09-08-2011 |
| 20110250502 | CHEMICALLY GELLED CURABLE COMPOSITION BASED ON EPOXY-AMINE RESINS AND ON IONIC LIQUIDS - The invention relates to a chemically gelled curable resin based on epoxy-amine resins and on ionic liquids. The invention advantageously applies to energy accumulation systems, notably electrochemical systems. The curable composition according to the invention can notably constitute an electrolyte usable in a hybrid or electric vehicle battery. | 10-13-2011 |
| 20110256456 | Gel Polymer Electrolyte Composition, Gel Polymer Electrolyte And Electrochemical Device Comprising The Same - A gel polymer electrolyte composition includes i) a compound acting as a monomer for forming gel polymer by polymerization and having at least two double bonds at an end thereof; ii) an electrolyte solvent containing carbonate and linear saturated ester; iii) an electrolyte salt; and iv) a polymerization initiator. A gel polymer electrolyte formed using the above composition has excellent mechanical strength and lithium ion conductivity. A secondary battery containing the gel polymer electrolyte has improved room/low temperature characteristics and rate capacity. | 10-20-2011 |
| 20110262815 | LITHIUM POLYMER BATTERY - A lithium polymer battery includes a polymer electrolyte or a gel polymer electrolyte having a nonaqueous organic solvent, a lithium salt, an ion-conducting polymer and a fluorinated benzene; a positive electrode; and a negative electrode. | 10-27-2011 |
| 20110274981 | NONAQUEOUS ELECTROLYTIC SOLUTION AND BATTERY - A nonaqueous electrolytic solution includes: a solvent, an electrolyte salt, a polyacid and/or a polyacid compound, and a monofluorophosphate and/or a difluorophosphate. | 11-10-2011 |
| 20110274982 | LITHIUM ION BATTERY - There is provided a lithium ion battery which maintains the flame retardancy of an electrolyte over a long period of time, has high energy density, and has improved charge/discharge cycle characteristics, high temperature storage characteristics, and rate characteristics. The lithium ion battery according to the present exemplary embodiment is a lithium ion battery comprising an electrolyte containing at least an ionic liquid and a lithium salt, a positive electrode, and a negative electrode, wherein the negative electrode includes a negative electrode active material which is a carbon material treated with a surface treatment agent. | 11-10-2011 |
| 20110287325 | METHOD FOR PREPARING AN ELECTROCHEMICAL CELL HAVING A GEL ELECTROLYTE - The invention relates to a method for manufacturing an electrochemical cell comprising an anode and a cathode separated by a separator and a gel electrolyte. The method comprises the steps of assembling the electrodes and the separator, and injecting a liquid electrolyte composition between the electrodes, the liquid electrolyte composition comprising a polymer, an aprotic liquid solvent and a lithium salt, wherein the polymer in the liquid electrolyte composition has functional groups capable of polymerizing via cationic polymerization, and the cell is submitted to an electrochemical cycling comprising a charging step and a discharging step. | 11-24-2011 |
| 20110300450 | POLYURETHANE GEL ELECTROLYTES WITH IMPROVED CONDUCTANCE AND/OR SOLVENT RETENTION - Disclosed are gel electrolytes comprising a polymer, which is a cross-linked polyurethane prepared from a poly(alkyleneoxide) triol and a diisocyanate compound; a lithium salt; and a solvent, which is a carbonate solvent, a lactone solvent, or mixtures thereof. | 12-08-2011 |
| 20110311879 | NONAQUEOUS ELECTROLYTE AND NONAQUEOUS ELECTROLYTE BATTERY - A nonaqueous electrolyte includes: a solvent; an electrolyte salt; an aromatic compound represented by the following formula (1); and a polyoxometalate and/or a polyoxometalate compound | 12-22-2011 |
| 20110318645 | GEL ELECTROLYTE INCLUDING ADDITIVES FOR RECHARGEABLE LITHIUM BATTERY, AND RECHARGEABLE LITHIUM BATTERY INCLUDING SAME - A gel electrolyte for a rechargeable lithium battery includes a gel polymer including a repeating unit derived from a first monomer represented by A-L-E, a non-aqueous organic solvent, a lithium salt, and an additive. A rechargeable lithium battery includes the gel electrolyte. The additive includes a compound selected from compounds represented by | 12-29-2011 |
| 20120009481 | Room Temperature Crosslinkable Ion Conductive Polymer System - A room temperature crosslinkable polymer system comprising an anhydride containing polymer and an oxyalkylene amine and a polymer electrolyte derived therefrom are prepared and employed as ion conducting materials for batteries such as lithium ion battery, solar cells and electrochromic devices is disclosed. | 01-12-2012 |
| 20120015255 | GEL POLYMER ELECTROLYTE, LITHIUM BATTERY INCLUDING GEL POLYMER ELECTROLYTE, AND METHOD OF PREPARING GEL POLYMER ELECTROLYTE - A gel polymer electrolyte including: an organic solvent; a lithium salt that reacts with residual water contained in the organic solvent to produce at least one material selected from the group consisting of a protonic acid and a Lewis acid; and a polymer that is generated by polymerizing at least one monomer selected from the group consisting of monomers represented by Formulae 1 to 3 below: | 01-19-2012 |
| 20120021297 | LITHIUM ION BATTERY - A lithium battery comprising an anode and a cathode structure separated from one another by a membrane structure. The membrane structure comprises a layer which is only conductive to lithium ions and which is characterized by the property of having sufficient mechanical stability at temperatures higher than 150° C. to prevent a local short circuit between the anode and the cathode structure. | 01-26-2012 |
| 20120058398 | PAN-PEO Gels with Improved Conductance and Solvent Retention - Disclosed are gel electrolytes comprising a polymer, which is polyacrylonitrile (PAN) and polyethylene oxide (PEO); a lithium salt; and a solvent, which is a carbonate solvent, a lactone solvent, or mixtures thereof. | 03-08-2012 |
| 20120077091 | ELECTROLYTE INCLUDING AMIDE COMPOUND AND ELECTROCHEMICAL DEVICE INCLUDING THE SAME - Disclosed is an electrolyte. The electrolyte includes an amide compound and an ionizable lithium salt. The amide compound has a specific structure in which an amine group is substituted with at least one alkoxyalkyl group and at least one halogen atom is present. The electrolyte has good thermal and chemical stability, a low resistance and a high ionic conductivity. In addition, the electrolyte has a high upper limit of electrochemical window due to its improved oxidation stability. Therefore, the electrolyte can be useful for the fabrication of an electrochemical device. Further disclosed is an electrochemical device including the electrolyte. | 03-29-2012 |
| 20120115037 | POLYMER GEL ELECTROLYTE AND POLYMER SECONDARY BATTERY USING SAME - The present invention provides a polymer gel electrolyte capable of inhibiting the cell expansion of a polymer secondary battery and improving the cycle characteristics and high-temperature storage characteristics of a polymer secondary battery. The present invention relates to a polymer gel electrolyte comprising an aprotic solvent; a supporting salt; a cyclic sulfonic acid ester which includes at least two sulfonyl groups; and a crosslinked polymer obtained by crosslinking a methacrylic acid ester polymer represented by general formula (1) below. In the general formula (1), n meets 1800| 05-10-2012 | |
| 20120115038 | GELLING AGENT FOR ELECTROLYTE SOLUTION FOR ALKALINE BATTERY - A gelling agent capable of turning an electrolyte solution for an alkaline battery into a gel, which is less likely to cause syneresis, is composed of particles of a carboxyl group-containing polymer, and a 0.1% by weight aqueous solution has a viscosity of at least 3,000 mPa·s at a pH of 7. The particles of a carboxyl group-containing polymer are normally obtainable by polymerizing a polymerizable material containing α,β-unsaturated carboxylic acids, for example, a polymerizable material containing α,β-unsaturated carboxylic acids and a compound having two or more ethylenically unsaturated groups as a cross-linking agent, in an inert solvent which dissolves the α,β-unsaturated carboxylic acids but does not dissolve particles of a carboxyl group-containing polymer. The above-mentioned viscosity is achieved by adjusting the balance among the concentration of the α,β-unsaturated carboxylic acids, the concentration of a cross-linking agent and a polymerization temperature during polymerization. | 05-10-2012 |
| 20120196187 | Solvent for Electrolyte Solution, Electrolyte Solution, and Gel-like Electrolyte - The invention provides a solvent for an electrolyte solution, an electrolyte solution, and a gel-like electrolyte superior in oxidation resistance and flame resistance. A solvent for an electrolyte solution comprising at least one boric ester represented by the following formula (I), and a boric ester represented by the following formula (II): B(OR | 08-02-2012 |
| 20120219865 | NONAQUEOUS-TYPE ELECTROLYTE SOLUTION, AND DEVICE COMPRISING THE SAME - There are provided a nonaqueous-type electrolyte solution having high flame retardancy and a good capacity retention rate, and a device comprising the nonaqueous-type electrolyte solution. The nonaqueous-type electrolyte solution is used in a device comprising a positive electrode, a negative electrode and the nonaqueous-type electrolyte solution, and contains a lithium salt and a compound having a phosphazene structure, and further contains 0.05% by mass or more and 12.0% by mass or less of at least one disulfonate ester selected from a cyclic disulfonate ester and a chain disulfonate ester based on the total of the nonaqueous-type electrolyte solution. | 08-30-2012 |
| 20120237833 | MATERIAL CONSISTING OF COMPOSITE OXIDE PARTICLES, METHOD FOR PREPARING SAME, AND USE THEREOF AS ELECTRODE ACTIVE MATERIAL - A positive electrode material, having particles having a complex oxide OC1 core, an at least partial complex oxide OC2 coating, and an adhesive carbon surface deposit. The material is characterized in that the complex oxide OC1 is an oxide having a high energy density and in that the oxide OC2 is an oxide of a metal having a catalytic effect on the reaction of the carbon deposit, the oxide having good electronic conductivity. The presence of the OC2 layer facilitates the deposit of a carbon adhesive layer at the surface of the oxide particles, and improves the conductivity of the material when the latter is used as an electrode material. The electrode material can particularly be used in the manufacture of a lithium battery. | 09-20-2012 |
| 20120288769 | GEL ELECTROLYTE FOR LITHIUM ION SECONDARY BATTERY, AND LITHIUM ION SECONDARY BATTERY HAVING THE SAME - Disclosed is a highly safe lithium ion secondary battery which has good life characteristics. Also disclosed is a gel electrolyte for a lithium ion secondary battery, which contains a lithium salt, a copolymer of specific monomers, a specific compound that has a phosphazene structure, and at least one compound selected from among specific cyclic disulfonic acid esters, specific chain disulfonic acid esters and specific sultone compounds. | 11-15-2012 |
| 20120301795 | NONAQUEOUS ELECTROLYTE SOLUTION, AND LITHIUM ION SECONDARY BATTERY HAVING THE SAME - The exemplary embodiment has an object to provide a nonaqueous electrolyte solution having a flame retardancy over a long period and having a good capacity maintenance rate. The exemplary embodiment is a nonaqueous electrolyte solution containing a lithium salt, at least one oxo-acid ester derivative of phosphorus selected from compounds represented by a predetermined formula, and at least one disulfonate ester selected from a cyclic disulfonate ester and a linear disulfonate ester represented by the predetermined formulae. | 11-29-2012 |
| 20120315546 | LITHIUM ION BATTERY - To provide high energy density, good cycle properties and rate characteristics and long-term safety of a lithium ion battery containing at least an ionic liquid and a lithium salt. The above problems are solved by suppressing reduction and decomposition of the ionic liquid on an anode by using a graphite coated with an amorphous carbon or onto which an amorphous carbon is deposited as an anode active material. | 12-13-2012 |
| 20120321963 | GEL POLYMER ELECTROLYTE COMPOSITION - An objective of the present invention is to provide a gel polymer electrolyte composition which exhibits excellent electrolyte retaining ability, excellent ion conductivity, higher mechanical strength and excellent shape preservation, which does not require an extra step for crosslinking, and which can provide a secondary battery with excellent cycle properties and a vinyl acetal polymer used for a gel polymer electrolyte composition. There are provided a vinyl acetal polymer for a gel polymer electrolyte composition, wherein the vinyl acetal polymer has a cationic functional group, as well as a gel polymer electrolyte composition comprising the vinyl acetal polymer and an electrolyte solution, wherein a weight ratio of the vinyl acetal polymer to the electrolyte solution is 0.5:99.5 to 9:91. | 12-20-2012 |
| 20130136998 | ELECTROLYTE COMPOSITION, GEL POLYMER ELECTROLYTE, AND LITHIUM BATTERY INCLUDING THE GEL POLYMER ELECTROLYTE - An electrolyte composition including a macro azo initiator containing a polyethylene oxide repeating unit, and a multi-functional urethane acrylate-based monomer, a gel polymer electrolyte including the electrolyte composition, and a lithium battery including the gel polymer electrolyte. | 05-30-2013 |
| 20130164630 | SECONDARY BATTERY, BATTERY PACK, ELECTRIC VEHICLE, ELECTRIC POWER STORAGE SYSTEM, ELECTRIC POWER TOOL, AND ELECTRONIC APPARATUS - A secondary battery includes: a cathode; an anode; and a gel electrolyte. The gel electrolyte includes an electrolytic solution and a polymer compound. The electrolytic solution includes an unsaturated cyclic ester carbonate represented by the following Formula (1), | 06-27-2013 |
| 20130177818 | RECHARGEABLE LITHIUM BATTERY - A rechargeable lithium battery includes a negative electrode including a negative active material, a positive electrode including a positive active material, and an electrolyte including LiPO | 07-11-2013 |
| 20130177819 | RECHARGEABLE LITHIUM BATTERY - A rechargeable lithium battery includes a negative electrode including a negative active material, a positive electrode including a positive active material, an electrolyte including a polymer, an additive having a borate structure, a lithium salt, and an organic solvent. The electrolyte includes about 0.1 wt % to about 10 wt % of the additive having a borate structure based on 100 wt % of the electrolyte. The organic solvent includes an acetate-based compound and a cyclic carbonate-based compound, and an amount of the acetate-based compound is larger than that of the cyclic carbonate-based compound. | 07-11-2013 |
| 20130230778 | LITHIUM ION CONDUCTIVE COMPOSITE ELECTROLYTE AND LITHIUM ION SECONDARY BATTERY USING SAME - Provided is a lithium ion conductive composite electrolyte that can prevent leakage of electrolyte solution, and that have excellent cycle performance and lithium ion conductivity, and a lithium ion secondary battery. A lithium ion conductive composite electrolyte | 09-05-2013 |
| 20130230779 | GEL ELECTROLYTE FOR LITHIUM ION SECONDARY BATTERY, AND LITHIUM ION SECONDARY BATTERY - An object of the present invention is to provide a gel electrolyte for a lithium ion secondary battery having flame retardancy over a long period and a good capacity maintenance rate. The gel electrolyte for a lithium ion secondary battery according to the exemplary embodiment contains a lithium salt, a copolymer of at least one first monomer selected from compounds represented by chemical formulae (1) and (2) and a second monomer represented by chemical formula (4), at least one oxo-acid ester derivative of phosphorus selected from compounds represented by chemical formulae (5) to (7), and at least one disulfonate ester selected from a cyclic-chain type disulfonate ester represented by chemical formula (8) and a linear-chain type disulfonate ester represented by chemical formula (9). | 09-05-2013 |
| 20130260257 | ELECTROLYTE FOR LITHIUM ION SECONDARY BATTERY AND LITHIUM ION SECONDARY BATTERY COMPRISING THE SAME - Provided are a multi-layered structure electrolyte including a gel polymer electrolyte on opposite surfaces of a ceramic solid electrolyte, for a lithium ion secondary battery including positive and negative electrodes capable of intercalating/deintercalating lithium ions, and a lithium ion secondary battery including the electrode. The electrolyte includes a gel polymer electrolyte on opposite surfaces of a ceramic solid electrolyte. | 10-03-2013 |
| 20130280618 | ELECTROLYTE, ELECTROLYTE SOLUTION, GEL ELECTROLYTE, ELECTROLYTE MEMBRANE, METHOD FOR MANUFACTURING GEL ELECTROLYTE BATTERY, AND LITHIUM ION SECONDARY BATTERY - The present invention includes an electrolyte in which an organic acid lithium salt (A) and a boron compound (B) are mixed. | 10-24-2013 |
| 20140023931 | PHYSICALLY CROSS-LINKED GEL ELECTROLYTE - An electrochemical battery cell of a lithium ion battery has a physically cross-linked gel electrolyte situated between a negative electrode and a positive electrode. The gel electrolyte includes a block co-polymer host and a liquid electrolyte, which can transport lithium ions, absorbed into the block co-polymer host. The block co-polymer host includes poly(alkylene oxide) block units and physically cross-linkable block units. A few preferred physically cross-linkable block units that may be employed include polyamide block units and poly(terephthalate)ester block units. | 01-23-2014 |
| 20140065489 | ELECTROLYTE-NEGATIVE ELECTRODE STRUCTURE, AND LITHIUM ION SECONDARY BATTERY COMPRISING THE SAME - There are provided a constitution which can suppress a decrease in the cycle performance in repetition of charging and discharging, and a lithium ion secondary battery comprising the constitution. An electrolyte-negative electrode structure ( | 03-06-2014 |
| 20140072880 | NON-AQUIOUS RECHARGEABLE LITHIUM BATTERY - Disclosed is a non-aqueous rechargeable lithium battery that includes a positive electrode including a positive active material being capable of intercalating and deintercalating lithium; a negative electrode including a negative active material; a polymer electrolyte including a gel polymer, a non-aqueous organic solvent, and a lithium salt; and a separator having compression strength of about 0.15 gf/cm | 03-13-2014 |
| 20140072881 | LITHIUM BATTERY - A lithium battery including a negative electrode including a lithium metal or a lithium alloy; a positive electrode; and a polymer gel electrolyte contacting the negative electrode, wherein the polymer gel electrolyte has an ionic conductivity of about 10 | 03-13-2014 |
| 20140162134 | GEL ELECTRODE SECONDARY CELL - A gel electrolyte secondary cell includes a positive electrode, a negative electrode and a gel electrolyte. The negative electrode includes a current collector, and a mixture of powders of a graphite carbonaceous material and a binder. The powders of the graphite carbonaceous material include sintered meso-carbon micro-beads. The gel electrolyte includes an electrolyte salt, a non-aqueous solvent and a high-molecular weight material. The non-aqueous solvent includes propylene carbonate and ethylene carbonate. A content of propylene carbonate ranges from 35 mol % to 75 mol %. The binder is in an amount 1 to 20 wt % based on total weight of the powders of the graphite carbonaceous material. The meso-carbon micro-beads can suitably decrease the impedance and the discharge capacity loss, thereby increasing the discharging capacity and/or charging/discharging efficiency of the gel electrolyte secondary cell. | 06-12-2014 |
| 20140186717 | LITHIUM ION BATTERY - A lithium ion battery includes a cathode, an anode, and an electrolyte sandwiched between the cathode and the anode. The cathode includes a cathode active material. The anode is spaced from the cathode. The cathode active material includes a sulfur grafted poly(pyridinopyridine). The sulfur grafted poly(pyridinopyridine) includes a poly(pyridinopyridine) matrix and sulfur dispersed in the poly(pyridinopyridine) matrix. The sulfur includes a number of poly-sulfur groups or a number of elemental sulfur particles dispersed in the poly(pyridinopyridine) matrix. The electrolyte is a gel electrolyte. | 07-03-2014 |
| 20140186718 | GEL POLYMER ELECTROLYTE AND LITHIUM POLYMER BATTERY - The disclosure relates to a gel polymer electrolyte and/or polymer modified electrode materials for lithium batteries. The gel polymer electrolyte or the polymer modified electrode material includes at least a polymer represented by the following formula (I): | 07-03-2014 |
| 20140199597 | Semiconductor Structures Having a Micro-Battery and Methods for Making the Same - The present disclosure provides an embodiment of an integrated structure that includes a first electrode of a first conductive material embedded in a first semiconductor substrate; a second electrode of a second conductive material embedded in a second semiconductor substrate; and a electrolyte disposed between the first and second electrodes. The first and second semiconductor substrates are bonded together through bonding pads such that the first and second electrodes are enclosed between the first and second semiconductor substrates. The second conductive material is different from the first conductive material. | 07-17-2014 |
| 20140220451 | HIGH-VOLTAGE LITHIUM SECONDARY BATTERY - Provided are a lithium secondary battery including a cathode, an anode, a separator, and a gel polymer electrolyte, wherein the gel polymer electrolyte includes an acrylate-based polymer and a charge voltage of the battery is in a range of 4.3 V to 5.0 V, and a method of preparing the lithium secondary battery. A high-voltage lithium secondary battery of the present invention has excellent capacity characteristics at a high voltage of 4.3 V or more. | 08-07-2014 |
| 20140220452 | LITHIUM SECONDARY BATTERY - Provided are a lithium secondary battery including a cathode, an anode, a separator, and a gel polymer electrolyte, wherein i) the anode includes a silicon (Si)-based anode active material, ii) the gel polymer electrolyte is formed by polymerizing a composition that includes a monomer having a functional group bondable to metal ions, and iii) a charge voltage of the battery is in a range of 3.0 V to 5.0 V. | 08-07-2014 |
| 20140220453 | LITHIUM-SULPHUR (LI-S)-TYPE ELECTROCHEMICAL BATTERY AND PRODUCTION METHOD THEREOF - The invention relates to a novel lithium-sulphur type electrochemical battery A. | 08-07-2014 |
| 20140255791 | Transparent or Translucent Lithium Ion Battery - The present invention is to provide a transparent/translucent Li-ion battery. The transparent/translucent Li-ion battery comprises an anode, a cathode, and an electrolyte. The anode comprises an electrode material holder with inner structures, a current collector, and an anode material. The current collector is formed along the wall of the inner structures of the electrode material holder, and the anode material is deposited on the current collector, and filled within the inner structures. The cathode is fabricated with the similar method as the anode by using a cathode material. The electrode material holder with the inner structures can be a patterned glass or quartz slice with concave parts, or an anodized aluminum oxide film with channels. The transparent/translucent Li-ion battery of the present invention provides high transparency and electrical storage capacity. | 09-11-2014 |
| 20140255792 | Polyurethane Based Electrolyte Systems For Electrochemical Cells - The invention relates to a polymer gel electrolyte system for use in an electrochemical cell having positive and negative electrodes, said electrolyte system comprising: (A) a poly(dialkylene ester) thermoplastic polyurethane composition; (B) an alkali metal salt; and (C) an aprotic organic solvent. The invention also provides an electrochemical cell comprising a positive electrode, a negative electrode, and (I) a polymer electrolyte disposed between said positive and negative electrodes, wherein the polymer electrolyte comprises (A) the poly(dialkylene ester) thermoplastic polyurethane composition; (B) an alkali metal salt; and (C) an aprotic organic solvent. | 09-11-2014 |
| 20140287323 | Polyurethane Based Membranes And/Or Separators For Electrochemical Cells - The invention relates to a membrane comprising a poly(dialkylene ester) thermoplastic polyurethane composition. The invention also provides an electrochemical cell comprising a positive electrode, a negative electrode, and (I) a separator membrane disposed between said positive and negative electrodes, wherein the said membrane comprises (A) the described poly(dialkylene ester) thermoplastic polyurethane composition. | 09-25-2014 |
| 20140302398 | Polyurethane-Based Electrode Binder Compositions And Electrodes Thereof For Electrochemical Cells - The invention relates to an electrode binder composition, an electrode made using the described binder composition, and an electrochemical cell made using the described electrode, where the all of these materials are made using a composition of a poly(dialkylene ester) thermoplastic polyurethane composition. The electrode is made using the described thermoplastic polyurethane and an electrode active material. The electrochemical cells can be made using the described electrodes and also using (i) membranes and/or separators made using the described poly(dialkylene ester) thermoplastic polyurethane composition; (ii) an electrolyte system based on the described poly(dialkylene ester) thermoplastic polyurethane composition; or (iii) a combination thereof. | 10-09-2014 |
| 20140342239 | ELECTROLYTE HAVING EUTECTIC MIXTURE OF HETERO CYCLIC COMPOUND AND LITHIUM SALT AND ELECTROCHEMICAL DEVICE CONTAINING THE SAME - An electrolyte includes an eutectic mixture composed of (a) a hetero cyclic compound having a predetermined chemistry figure, and (b) an ionizable lithium salt. An electrochemical device having the electrolyte. The eutectic mixture included in the electrolyte exhibits inherent characteristics of an eutectic mixture such as excellent thermal stability and excellent chemical stability, thereby improving the problems such as evaporation, ignition and side reaction of an electrolyte caused by the usage of existing organic solvents. | 11-20-2014 |
| 20150024279 | SEMI-SOLID ELECTRODES WITH GEL POLYMER ADDITIVE - Embodiments described herein relate generally to electrochemical cells having semi-solid electrodes that include a gel polymer additive such that the electrodes demonstrate longer cycle life while significantly retaining the electronic performance of the electrodes and the electrochemical cells formed therefrom. In some embodiments, a semi-solid electrode can include about 20% to about 75% by volume of an active material, about 0.5% to about 25% by volume of a conductive material, and about 20% to about 70% by volume of an electrolyte. The electrolyte further includes about 0.01% to about 1.5% by weight of a polymer additive. In some embodiments, the electrolyte can include about 0.1% to about 0.7% of the polymer additive. | 01-22-2015 |
| 20150072244 | GEL POLYMER LITHIUM ION BATTERY - The present invention belongs to the technical field of lithium ion batteries and in particular relates to a gel polymer lithium ion battery comprising a gel polymer electrolyte, a cathode, an anode and a separator spaced between the cathode and the anode, wherein the gel polymer electrolyte includes lithium salt, a non-aqueous solvent and a polymer monomer which includes at least one epoxy monomer containing an epoxy group and a double bond and at least one acrylate monomer, and an anode binder includes a polymer having an amino group or imino group on the main chain or a branched chain thereof. | 03-12-2015 |
| 20150072245 | METHOD OF PREPARING GEL POLYMER ELECTROLYTE SECONDARY BATTERY AND GEL POLYMER ELECTROLYTE SECONDARY BATTERY - Provided are a method of preparing a gel polymer electrolyte secondary battery, and a gel polymer electrolyte secondary battery prepared by the method. The gel polymer electrolyte secondary battery includes a cathode, an anode, a separator and a gel polymer electrolyte in a battery case. The method includes (S1) coating a polymerization initiator on a surface of at least one selected from a group consisting of a cathode, an anode, a separator of a non-woven fabric, and a battery case, the surface needed to be contacted with a gel polymer electrolyte; (S2) putting an electrode assembly including the cathode, the anode, the separator of a non-woven fabric into the battery case; and (S3) forming a gel polymer electrolyte by introducing a gel polymer electrolyte composition including an electrolyte solvent, an electrolyte salt and a polymer electrolyte monomer into the battery case, and polymerizing the monomer. | 03-12-2015 |
| 20150079480 | SECONDARY BATTERY INCLUDING ELECTROLYTE ADDITIVE - Disclosed is a secondary battery including an electrode assembly, which includes a cathode, an anode and a separator interposed therebetween, and an electrolyte, wherein the anode includes lithium titanium oxide (LTO) as an anode active material and the electrolyte contains a phosphate-based compound as an additive. | 03-19-2015 |
| 20150140440 | METHOD FOR PREPARING POLYACRYLONITRILE-METHYL METHACRYLATE GEL ELECTROLYTE FILM, CORRESPONDING ELECTROLYTE AND PREPARATION METHOD THEREOF - Provided is a method for preparing polyacrylonitrile-methyl methacrylate gel electrolyte film. The method comprises the following steps: dissolving polyacrylonitrile-methyl methacrylate in an organic solvent with the mass 1 to 3 times as high as that of polyacrylonitrile-methyl methacrylate, adding MCM-48 mesoporous molecular sieves with the mass 0.05 to 0.3 times as high as that of polyacrylonitrile-methyl methacrylate, heating the mixture to 30-50° C., stirring them uniformly, and obtaining a slurry containing MCM-48 mesoporous molecular sieve; coating the slurry onto the substrate, vacuum drying, and obtaining a mesoporous molecular sieve MCM-48 modified polyacrylonitrile-methyl methacrylate gel electrolyte film. In addition, the corresponding electrolyte and its preparation method are also provided. The polyacrylonitrile- methyl methacrylate gel electrolyte modified by mesoporous molecular sieve MCM-48 has high electrical conductivity and good security. The preparation method has simple technical process and is environment-friendly. | 05-21-2015 |
| 20150295227 | SILICON AND GRAPHENE-INCORPORATED RECHARGEABLE LI-ION BATTERIES WITH ENHANCED ENERGY DELIVERY AND CYCLING LIFE BY USING SILECON AND GRAPHENE BASED ANODE FOR ENERGY STORAGE - A silicon graphene-incorporated rechargeable Li-ion battery with enhanced energy delivery and cycling life comprising a high-performance Si/graphene composite anode, a cathode film and electrolyte is disclosed. The anode and cathode are immersed in or partially immersed in the electrolyte; wherein the anode is formed of a mixture of carbon coated Si and graphene composite with a polymer binder and a conductive additive. A method for fabricating such Si and graphene-based anode comprises the steps synthesis of carbon coated Si particles by polymer encapsulation and carbonization; enveloping the coated Si particles in graphene by mechanical agitation; formulating the carbon coated Si and graphene with a polymer binder and conductive additive; depositing the mixture onto current collectors. The anode structure affords a combination of superior rate capability, cycling life and improved volumetric capacity. | 10-15-2015 |
| 20160013514 | GEL ELECTROLYTE AND POLYMER SECONDARY BATTERY USING SAME | 01-14-2016 |
| 20160028110 | GEL POLYMER ELECTROLYTE AND LITHIUM SECONDARY BATTERY COMPRISING THE SAME - The present disclosure relates to a gel polymer electrolyte including an imide salt, and a lithium secondary battery including the same and having a protective film formed on a cathode tab. Disclosed are a gel polymer electrolyte that allows the production of a secondary battery having excellent quality with no corrosion of a cathode, while using, as an electrolyte, an imide-based salt effective for improvement of output quality and high-temperature storability, as well as a secondary battery including the same. | 01-28-2016 |
| 20160028111 | GEL POLYMER ELECTROLYTE AND ELECTROCHEMICAL DEVICE INCLUDING THE SAME - The present invention provides a gel polymer electrolyte obtained by polymerizing and gelling a composition for a gel polymer including an organic solvent, an electrolyte salt and a first polymerizable monomer, wherein the gel polymer electrolyte further comprises a compound represented by the following Formula 1 as a first additive: | 01-28-2016 |
| 20160028113 | GEL POLYMER ELECTROLYTE COMPOSITION, GEL POLYMER ELECTROLYTE AND ELECTROCHEMICAL DEVICE COMPRISING THE SAME - A gel polymer electrolyte composition includes i) a compound acting as a monomer for forming gel polymer by polymerization and having at least two double bonds at an end thereof; ii) an electrolyte solvent containing carbonate and linear saturated ester; an electrolyte salt; and iv) a polymerization initiator. A gel polymer electrolyte formed using the above composition has excellent mechanical strength and lithium ion conductivity. A secondary battery containing the gel polymer electrolyte has improved room/low temperature characteristics and rate capacity. | 01-28-2016 |
| 20160043434 | GRAFT COPOLYMER, PROCESS FOR PRODUCING THE GRAFT COPOLYMER, PROCESS FOR PREPARING A GEL POLYMER ELECTROLYTE INCLUDING THE GRAFT COPOLYMER, AND INTERMEDIATE COPOLYMER OF THE GRAFT COPOLYMER - A graft copolymer comprising a backbone polymer and a branched-chain polymer, and represented by formula (I), | 02-11-2016 |
| 20160064770 | COMPOSITE ELECTROLYTE AND LITHIUM BATTERY INCLUDING THE SAME - A composite electrolyte including a polymeric ionic liquid; a plurality of inorganic particles; and an organic electrolyte. | 03-03-2016 |
| 20160064773 | COMPOSITE, METHOD OF PREPARING THE COMPOSITE, ELECTROLYTE COMPRISING THE COMPOSITE, AND LITHIUM SECONDARY BATTERY COMPRISING THE ELECTROLYTE - A composite including a metal-organic framework; and an ionic liquid disposed in a pore defined by the metal-organic framework. Also a method of preparing the composite, an electrolyte including the composite, and a lithium secondary battery including the electrolyte. | 03-03-2016 |
| 20160093916 | ELECTROLYTE, METHOD OF PREPARING THE ELECTROLYTE, AND SECONDARY BATTERY INCLUDING THE ELECTROLYTE - An electrolyte including a block copolymer containing a co-continuous domain including an ion conductive phase and a structural phase, wherein the structural phase includes a polymer segment having a glass transition temperature that is equal to or lower than room temperature. | 03-31-2016 |
| 20160104891 | HIGH SURFACE AREA ANODE WITH VOLUME EXPANSION FEATURES - A high surface area anode structure for a lithium ion secondary battery including an anolyte layer, wherein the anolyte layer includes vacant space formed within a percolating network for lithium deposition thereupon. | 04-14-2016 |
| 20160126587 | Semiconductor Structures Having a Micro-Battery and Methods for Making the Same - The present disclosure provides an embodiment of an integrated structure that includes a first electrode of a first conductive material embedded in a first semiconductor substrate; a second electrode of a second conductive material embedded in a second semiconductor substrate; and a electrolyte disposed between the first and second electrodes. The first and second semiconductor substrates are bonded together through bonding pads such that the first and second electrodes are enclosed between the first and second semiconductor substrates. The second conductive material is different from the first conductive material. | 05-05-2016 |
| 20160126591 | GEL ELECTROLYTE FOR AN ELECTROCHEMICAL CELL - Processes of improving the safety of lithium ion cells are provided without compromising cell performance. Provided are processes of forming a gel electrolyte that for the first time can fully substitute a liquid electrolyte and provide similar performance but also has greatly improved safety. A process includes in situ formation of a gel electrolyte in the presence of a liquid electrolyte material and then subjecting the resulting gel to a wetting step. The resulting gel electrolyte is capable of excellent cycle life and capacity without the presence of remaining liquid electrolyte. | 05-05-2016 |
| 20160156017 | ELECTRODE COATED WITH A FILM OBTAINED FROM AN AQUEOUS SOLUTION COMPRISING A WATER-SOLUBLE BINDER, PRODUCTION METHOD THEREOF AND USES OF SAME | 06-02-2016 |
| 20160190641 | POLYMER, AND ELECTROLYTE AND LITHIUM SECONDARY BATTERY INCLUDING THE SAME - A polymer including a first repeating unit represented by Formula 1, a second repeating unit represented by Formula 2, and a third repeating unit: | 06-30-2016 |
| 20160197375 | GEL ELECTROLYTE COMPOSITION FOR RECHARGEABLE BATTERIES | 07-07-2016 |
| 20170237119 | LI-ION ELECTROLYTE MEMBRANE FACILITATED BY A SELF-HEALING POLYMER MATRIX, AND ASSOCIATED BATTERY | 08-17-2017 |
| 20170237120 | SECONDARY BATTERY, BATTERY PACK, ELECTRIC VEHICLE, ELECTRIC POWER STORAGE SYSTEM, ELECTRIC POWER TOOL, AND ELECTRONIC APPARATUS | 08-17-2017 |
