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| Number | Title | Issue Date |
| 8043749 | Electrolyte for lithium ion secondary battery and lithium ion secondary battery comprising the same An electrolyte for a lithium ion secondary battery and a lithium ion secondary battery comprising the electrolyte. The electrolyte comprises a non-aqueous organic solvent, a lithium salt, and at least one aromatic phosphate compound. Exothermic reactions are inhibit... | 10/25/2011 |
| 7993782 | All-solid lithium battery An all-solid lithium secondary battery has excellent reliability including safety. However, in general, its energy density or output density is lower than that achieved by liquid electrolyte systems. The all-solid lithium battery includes a lithium ion-conduc... | 08/09/2011 |
| 7947398 | Electrode for a secondary battery and secondary battery comprising the same Disclosed is an electrolyte for a secondary battery comprising an electrolyte salt and an electrolyte solvent, the electrolyte further comprising a lactam-based compound substituted with an electron withdrawing group (EWG) at the nitrogen position thereof. The elect... | 05/24/2011 |
| 7939216 | Polymer electrolyte membrane, method of preparing the same and fuel cell employing the same A polymer electrolyte membrane includes a cross-linking reaction product between a hydrophilic polymer and a cross-linking agent represented by Formula 1 below wherein R1 is substituted or unsubstituted C1-C20 alkyl group, su... | 05/10/2011 |
| 7927756 | Redox fuel cell using methanol In the present invention, a material having a structure represented by formula (1) or (2) (wherein W equals N or C) is used as a solid electrolyte for a fuel cell. An electrolyte membrane having a small fuel crossover and a fuel cell having excellent ion conductivit... | 04/19/2011 |
| 7910248 | Aromatic-polyether-type ion-conductive ultrahigh molecular weight polymer, intermediate therefor, and process for producing these An aromatic-polyether-type ion conductive polymer membrane having improved mechanical strength is provided. An aromatic-polyether-type ion-conductive ultrahigh molecular weight polymer having an ion exchange capacity of 0.1 meq/g or higher and a structure com... | 03/22/2011 |
| 7799468 | Electrolyte material for polymer electrolyte fuel cells, electrolyte membrane and membrane-electrode assembly An electrolyte material for polymer electrolyte fuel cells, which is made of a polymer containing repeating units based on a fluoromonomer having a radical polymerization reactivity, wherein the repeating units contain a 5-membered ring (which may contain 1 or 2 oxy... | 09/21/2010 |
| 7790323 | Polymer electrolyte, half-cell for electrochemical measurements, as well as the use thereof A polymer electrolyte for an electrochemical half-cell, such as a reference half-cell, contains a polymer which can be produced by polymerization of N-acryloyl-amino-ethoxy-ethanol or by co-polymerization of N-acryloyl-amino-ethoxy-ethanol with at least one further ... | 09/07/2010 |
| 7704642 | Cationic conductor, its intermediate, and lithium secondary battery using the conductor The disclosure discloses a polymer represented by the general formula, wherein Rp is a residue of a polymer of a compound having a polymerizable unsaturated bond, Q is an organic residue of n+1 valences and conne... | 04/27/2010 |
| 7678504 | Lithium secondary battery and a method for preparing the same A lithium secondary battery of the present invention comprises a positive electrode; a negative electrode; a separator interposed between the positive and negative electrodes; and an electrolyte on the separator, wherein the electrolyte includes a non-aqueous organi... | 03/16/2010 |
| 7674560 | Cross-linked sulphonated polymers and their preparation process The present invention is concerned with cross-linked sulfonated polymers, eventually perfluorinated, and their preparation process. When molded in the form of membranes, the polymers are useful in electrochemical cells, in a chlorine-sodium electrolysis process, as ... | 03/09/2010 |
| 7435496 | Anhydrous proton conductor based on heterocycle attached to a polymer backbone The invention relates to proton-conducting polymers, including tetrazole-containing polymers. Proton-conducting membranes useful for fuel cell applications are formed from mixtures of a polymer with one or more non-aqueous proton sources. In representative examples ... | 10/14/2008 |
| 7429428 | Polymer electrolyte material, production method thereof and membrane electrode assembly for polymer electrolyte fuel cell The present invention provides a polymer electrolyte material comprising a polymer having a repeating unit based on an alicyclic fluoromonomer having a carbon-carbon double bond with radical polymerization reactivity, wherein either of carbon atoms at both ends of t... | 09/30/2008 |
| 7402361 | Ion conductor structural body and process for producing ion conductor structural body An ion conductor structural body having a high ion conductivity and excellent mechanical strength, principally comprising is provided. This ion conductor structural body includes (a) a polymer matrix; (b) a solvent capable of functioning as a plasticizer; and (c) an... | 07/22/2008 |
| 7399556 | Lithium cationic single-ion conducting filler-containing composite polymer electrolyte for lithium secondary battery and method of manufacturing the same Provided are a composite polymer electrolyte for a lithium secondary battery in which a composite polymer matrix multi-layer structure composed of a plurality of polymer matrices with different pore sizes is impregnated with an electrolyte solution, and a method of ... | 07/15/2008 |
| 7390336 | Polyimide-based lithium metal battery The present invention relates to Lithium Metal batteries. In particular, it is related to lithium metal batteries containing a polyimide-based electrolyte. The present invention concerns a new concept of polyimide-based electrolytic component having an electrolyte c... | 06/24/2008 |
| 7390595 | Method of preparing a crosslinked polymer in an electrolyte composition A crosslinked polymer obtained by allowing a polyfunctional electrophilic reagent to react on a nitrogen-containing polymer, an electrolyte containing the crosslinked polymer, and a photo-electrochemical cell having an electrically conductive substrate, a semiconduc... | 06/24/2008 |
| 7387852 | Polymer electrolyte and lithium battery using the same A polymer electrolyte extends the cycle life, improves the safety, and reduces the swelling of a battery, compared with a polymer electrolyte containing a poly(alkylene oxide) polymer. Also, a lithium battery utilizes the polymer electrolyte. The polymer electrolyte... | 06/17/2008 |
| 7384996 | Phosphorus-containing polymer compound, synthesizing method thereof, antioxidant, high-durability polymer electrolyte composite, electrode, and fuel cell The invention provides phosphonated poly(4-phenoxybenzoyl-1,4-phenylene), and synthesizing method thereof, an antioxidant formed of phosphonated poly(4-phenoxybenzoyl-1,4-phenylene), a high-durability polymer electrolyte composite formed of a fluoropolymer electroly... | 06/10/2008 |
| 7381501 | Polymer electrolyte and proton conductive membrane A solid polymer electrolyte includes a polymer having a sulfonic group and shows high proton conductivity in a wide range of temperatures and humidities and is excellent in hot water resistance and chemical stability. A proton conductive membrane is composed of the ... | 06/03/2008 |
| RE40302 | Polyelectrolyte, non-aqueous electrolyte, and electrical device containing the same Provided are a polymeric electrolyte or a nonaqueous electrolyte that can improve a transport rate of charge carrier ions by adding a compound having boron atoms in the structure, preferably one or more selected from the group consisting of compounds represented by ... | 05/06/2008 |
| 7354679 | Ion conductive random copolymers This invention relates to ion conducting random copolymers that are useful in forming polymer electrolyte membranes used in fuel cells. ... | 04/08/2008 |
| 7347954 | Composition for polyelectrolytes, polyelectrolytes, electrical double layer capacitors and nonaqueous electrolyte secondary cells A polymer electrolyte-forming composition containing (A) a quaternary ammonium salt of general formula (1) below and (B) an ionic liquid can be converted into a polymer without compromising the excellent properties of the ionic liquid, thus enabling an electrolyte h... | 03/25/2008 |
| 7326480 | Fuel cell power system and method of controlling a fuel cell power system A fuel cell power system includes a fuel cell which has an optimal voltage; an energy storage device having a nominal voltage substantially similar to the optimal voltage of the fuel cell; and an electrical switch that, in operation, selectively electrically couples... | 02/05/2008 |
| 7321107 | Thermally-conductive, electrically non-conductive heat transfer material and articles made thereof A heat transfer material comprised of a polymeric material and a nitride or oxide is provided and is thermally conductive, but electrically non-conductive. The polymeric material may be silicone rubber, and the nitride or oxide may be aluminum nitride, boron nitride... | 01/22/2008 |
| 7311989 | Polymer membrane, process for its production and membrane-electrode assembly for solid polymer electrolyte fuel cells The present invention provides a polymer membrane mainly made of an ion exchange resin which further comprises melt-spun fluororesin fibers such as fibers made of an ethylene-tetrafluoroethylene copolymer, a polyvinylidene fluoride or the like, having fiber diameter... | 12/25/2007 |
| 7306867 | Proton conductive solid polymer electrolyte A material such as imidazole (nitrogen-containing heterocyclic compound), which has at least one lone pair, is dispersed in a basic solid polymer such as polybenzimidazole. The mole number of imidazole per gram of polybenzimidazole is less than 0.0014 mol, preferabl... | 12/11/2007 |
| 7267910 | Chemical battery containing gel electrolyte based on crosslinked epoxy compound having an alicyclic structure A chemical battery, comprising a positive electrode, a negative electrode, and a gel electrolyte containing a crosslinked body and an electrolyte, the crosslinked body being obtained by crosslinking at least one compound selected from the group consisting of an epox... | 09/11/2007 |
| 7258941 | Polymer electrolyte for solid polymer type fuel cell and fuel cell A polyelectrolyte for a solid polymeric fuel cell comprising an aromatic polyether sulfone block copolymer comprising a hydrophilic segment containing sulfonic acid groups and a hydrophobic segment having no sulfonic acid group at a hydrophilic segment weight fracti... | 08/21/2007 |
| 7258947 | Electrolyte for redox flow battery, and redox flow battery The present invention provides electrolyte that can suppress reduction of battery efficiencies and capacities with increased cycles of charge/discharge of the battery, a method for producing the same, and a redox flow battery using the same electrolyte. The redox fl... | 08/21/2007 |
| 7238451 | Conductive polyamine-based electrolyte The present invention is directed to a polymer electrolyte comprising amine groups dispersed throughout the polymer backbone, including various poly(ethylenimine)-based polymers, which enable ionic movement for use in various applications, including for example batt... | 07/03/2007 |
| 7229942 | Supported catalyst and method for preparing the same The invention provides and a highly-dispersed supported catalyst that has a reduced average particle size of catalytic metal particles and is also supported by a porous support material. A method of preparing a supported catalyst that can reduce the average particle... | 06/12/2007 |
| 7226699 | Proton conductor film, manufacturing method therefor, fuel cell provided with proton conductor film and manufacturing method therefor A proton conductor and film thereof, electrochemical device, such as a fuel cell, employing same and methods of manufacturing same are provided. The proton conductor material film includes a proton conductor and polyvinyl alcohol as a binder for the proton conductor... | 06/05/2007 |
| 7220510 | Sulfonated poly(arylene) films as polyelectrolyte membranes Polyelectrolyte membranes suitable for use in a fuel cell are provided as a solid state sulfonation product of particular fluorinated polymers, or alternatively as a fluorination product of particular sulfonated polymers. A sulfonated polymer is provided that contai... | 05/22/2007 |
| 7220518 | Secondary battery and electrolyte used therefor A secondary battery which exhibits less deterioration of capacity, can maintain high energy densities in high temperature atmospheres, and has high practicality, and an electrolyte used therefor, are provided. The electrolyte contains an anion expressed by (PFa... | 05/22/2007 |
| 7211352 | Single ion conductor-containing composite polymer electrolyte for lithium secondary battery and method of manufacturing the same Provided are a composite polymer electrolyte for a lithium secondary battery that includes a composite polymer matrix structure having a single ion conductor-containing polymer matrix to enhance ionic conductivity and a method of manufacturing the same. The composit... | 05/01/2007 |
| 7202001 | Sulfonated copolymer This invention relates to sulfonated copolymers which are useful in forming polymer electrolyte membranes used in fuel cells. ... | 04/10/2007 |
| 7198870 | Polyimide matrix electrolyte A polymer matrix electrolyte (PME) includes a polyimide, at least one salt and at least one solvent intermixed. The PME is generally homogeneous as evidenced by its high level of optically clarity. The PME is stable through harsh temperature and pressure conditions.... | 04/03/2007 |
| 7198863 | Fullerene based proton conductive materials A fullerene-based proton conductor including a proton conductive functional group connected to the fullerene by an at least partially fluorinated spacer molecule. Also, a polymer including at least two of the proton conductors that are connected by a linking molecul... | 04/03/2007 |
| 7195794 | Method of making an electrolytic cell A method of making an electrolytic cell in which an electrolyte layer of an intermediate sintered form is coated with a pre-coat layer containing electrically non-conductive particles of less than about one-tenth of a micron in size to fill in defects existing withi... | 03/27/2007 |
