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| Number | Title | Issue Date |
| 7579116 | Fluoride ion scavenger for fuel cell components A fuel cell having a polymer electrolyte membrane containing fluorine atoms distributed along the polymer chains, and metal conductors and/or catalysts, is protected from fluoride ion degradation of the metal components by a fluoride ion sequestering agent fixed in ... | 08/25/2009 |
| 7544445 | Polyelectrolyte membrane and production method therefor A polymer electrolyte membrane comprising a microporous polymer membrane having pores penetrating through the opposite sides thereof. The microporous polymer membrane holds a mixture of a polymer and a molten salt at a weight ratio of 1/99 to 99/1 and/or a molten sa... | 06/09/2009 |
| 7432017 | Compositions and methods for protection of active metal anodes and polymer electrolytes Electrochemical structures with a protective interlayer for prevention of deleterious reactions between an active metal electrode and polymer electrolytes, and methods for their fabrication. The structures may be incorporated in battery cells. The interlayer is capa... | 10/07/2008 |
| 7169499 | Sulfonated polyphosphazenes, uses thereof, and methods for preparing same Polyphosphazene polymers having at least one sulfonated pendent group, and no more than five different sulfonated pendent groups, repeated along the polymer chain, wherein at least one the repeated sulfonated pendent groups links at least one SO3− | 01/30/2007 |
| 7115333 | High temperature composite proton exchange membranes An apparatus for generating electricity having an anode electrode, a cathode electrode and a proton exchange membrane comprising poly(vinyl alcohol) disposed between the anode electrode and the cathode electrode. The proton exchange membrane of this invention is sui... | 10/03/2006 |
| 7074256 | Phosphazene membranes for gas separations A polyphosphazene having a glass transition temperature (“Tg”) of approximately −20° C. or less. The polyphosphazene has at least one pendant group attached to a backbone of the polyphosphazene, wherein the pendant group has no halogen atoms. In ad... | 07/11/2006 |
| 7008564 | Cured composite materials for reactive metal battery electrolytes A solid molecular composite polymer-based electrolyte is made for batteries, wherein silicate compositing produces a electrolytic polymer with a semi-rigid silicate condensate framework, and then mechanical-stabilization by radiation of the outer surface of the comp... | 03/07/2006 |
| 6955867 | Non-aqueous electrolyte secondary cell and, deterioration-preventing agent for non-aqueous electrolyte secondary cell and additive for non-aqueous electrolyte secondary cell for use therein An object of the present invention is to provide a non-aqueous electrolyte secondary cell having excellent resistance to deterioration, excellent self-extinguishability or incombustibility, and excellent discharge properties at low temperatures, a deterioration inhi... | 10/18/2005 |
| 6939646 | Polymer electrolyte and process for producing the same A polymer electrolyte having, in a main chain, a structural unit represented by the following formula (1): —[Ar1—(SO2—N−(X+)—SO2—Ar2)m—SO2—N− | 09/06/2005 |
| 6841285 | Impregnation of ion-exchange membranes to improve electrochemical fuel cell performance The electrochemical performance of an ion-exchange membrane in a fuel cell system may be improved by impregnating therein a perfluoroamine. The amine may be primary, secondary or tertiary. Further, the amine is preferably water insoluble or only slightly water solub... | 01/11/2005 |
| 6841304 | Materials useful as electrolytic solutes The invention concerns novel ionic compounds with low melting point whereof the onium type cation having at least a heteroatom such as N, O, S or P bearing the positive charge and whereof the anion includes, wholly or partially, at least an ion imidide such as (FX | 01/11/2005 |
| 6841299 | Electrolyte composition with a molten salt and crosslinked polymer An electrolyte composition excellent in charge-transporting property that can be prepared with ease, and a non-aqueous electrolyte secondary cell that comprises the electrolyte composition to exhibit excellent cell characteristics while preventing leakage or depleti... | 01/11/2005 |
| 6746803 | Composite bodies used as separators in electrochemical cells A composite comprises at least one first layer which includes a composite comprising (a) from 1 to 99% by weight of a solid (I) with a primary particle size of from 5 nm to 100 μm or a mixture made from at least two solids, (b) from 99 to 1% by weight... | 06/08/2004 |
| 6576371 | Solid electrolyte battery A solid electrolyte battery with improved utilization rate of electrodes and improved cycle characteristics, the solid electrolyte battery incorporating a positive electrode; a solid electrolyte layer formed on the positive electrode, the solid electrolyt... | 06/10/2003 |
| 6548567 | Ionic compounds with delocalized anionic charge, and their use as ion conducting components or as catalysts The invention relates to an ionic compound corresponding to the formula [R1 X1 (Z1)--Q- --X2 (Z2)--R2 ]m Mm+ in which Mm+ is a cation of valency m, ea... | 04/15/2003 |
| 6475679 | Non-aqueous electrolyte secondary battery There is provided a non-aqueous electrolyte battery including a positive electrode, a negative electrode capable of occluding and emitting lithium ions, and a non-aqueous electrolyte containing lithium ion, in which the above-mentioned non-aqueous electro... | 11/05/2002 |
| 6413675 | Multi layer electrolyte and cell using the same A multi layer electrolyte and a secondary cell using the multi layer electrolyte. The multi layer electrolyte comprises a solid electrolyte and other electrolyte such as gel electrolyte and/or electrolytic solution layer laminated on the solid electrolyte... | 07/02/2002 |
| 6365301 | Materials useful as electrolytic solutes The invention concerns novel ionic compounds with low melting point whereof the onium type cation having at least a heteroatom such as N, O, S or P bearing the positive charge and whereof the anion includes, wholly or partially, at least an ion imidide su... | 04/02/2002 |
| 6365294 | Sulfonated polyphosphazenes for proton-exchange membrane fuel cells The subject matter of this invention deals with sulfonated polyphosphazene-based cation-exchange membranes for proton-exchange membrane fuel cells where the polyphosphazene is crosslinked, non-crosslinked, suitably blended with one or more additional poly... | 04/02/2002 |
| 6340716 | Ionic compounds with delocalized anionic charge, and their use as ion conducting components or as catalysts The invention relates to an ionic compound corresponding to the formula [R1 X1 (Z1)--Q- --X2 (Z2)--R2 ]m Mm+ in which Mm+ is a cation of valency m, ea... | 01/22/2002 |
| 6296973 | 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 hig... | 10/02/2001 |
| 6280882 | Electrolytic composition with polymer base for electrochemical generator The invention concerns an aprotic electrolytic composition located in the separator and in at least one composite electrode containing a powder of an active electrode material, and if necessary an electronic conduction additive of an electrochemical gener... | 08/28/2001 |
| 6248480 | High temperature polymer electrolytes An electrolyte is provided having a backbone that includes a plurality of aromatic constituents coupled together by at least one atom having a π-cloud, and in which a halogen atom and an ion exchange group are covalently bound directly to the backbone. F... | 06/19/2001 |
| 6183914 | Polymer-based hydroxide conducting membranes A polymer-based electrolyte composition having excellent film-forming properties, flexibility, mechanical strength and high hydroxide conductivity is disclosed. The composition comprises an organic polymer having an alkyl quaternary ammonium salt structur... | 02/06/2001 |
| 6176984 | High temperature polybenzazole and polyether electrolytes High temperature polybenzazole and polyether polymer electrolytes are provided. High temperature polybenzazole polymer electrolytes may comprise a benzobisoxazole, a benzobisthiazole, a benzobisimidazole, a difluorodisulfonated phenyl ring or a sulfonated... | 01/23/2001 |
| 6146787 | Solid polymer battery electrolyte and reactive metal-water battery In one implementation, a reactive metal-water battery includes an anode comprising a metal in atomic or alloy form selected from the group consisting of periodic table Group 1A metals, periodic table Group 2A metals and mixtures thereof. The battery inclu... | 11/14/2000 |
| 6004698 | Solid polymer electrolyte electrochemical storage cell containing a redox shuttle additive for overcharge protection A class of organic redox shuttle additives is described, preferably comprising nitrogen-containing aromatics compounds, which can be used in a high temperature (85° C. or higher) electrochemical storage cell comprising a positive electrode, a negative el... | 12/21/1999 |
| 5429890 | Cathode-active material blends of Lix Mn2 O4 A solid secondary lithium electrochemical cell comprises a physical mixture of Lix Mn2 O4 (spinel) and at least one lithiated metal oxide selected from the group consisting of Lix NiO2 and Lix | 07/04/1995 |
| 5393621 | Fire-resistant solid polymer electrolytes Solid polymeric electrolytes are composed of a solid polymeric matrix formed by polymerization of organophosphorus compounds.... | 02/28/1995 |
| 5376478 | Lithium secondary battery of vanadium pentoxide and polyphosphazene The present invention provides a lithium secondary battery which comprises a layer of vanadium pentoxide serving as the positive electrode active substance, a substance capable of occluding and releasing lithium ions and serving as the negative electrode ... | 12/27/1994 |
| 5350646 | Ionically conductive polymeric materials The present invention relates to ionically conductive polymeric materials, to their preparation and to their use as a solid electrolyte. The materials comprise a solid solution of one or more salts in a polymer and are characterized in that the transport ... | 09/27/1994 |
| 5332631 | Solid polymer electrolytes to alleviate voltage delay of lithiium cells An electrochemical cell, comprising a lithium anode, a cathode, and a liquid electrolyte of lithium tetrachloroaluminate dissolved in thionyl chloride, has a coating of a Li ion conductive solid polymer electrolyte on the anode. An example of the solid po... | 07/26/1994 |
| 5300374 | Ion conducting polymers An ion conducting polymer composition is described which exhibits electrical conductivities of at least 10-6 S/cm and has good optical properties and is easily processable. The composition comprises a PEO-based block copolymer and a dissociable... | 04/05/1994 |
| 5183716 | All solid-state battery A solid-state battery having a solid electrolyte represented by [A]u.({[=N(Z)2 ].(MX)v }w), a positive electrode, and a negative electrode. A is a single ionic polymer of at least one of an oligoethylene oxypoly... | 02/02/1993 |
| 5180645 | Integral solid state embedded power supply A battery (10) integrally formed in a substrate (2) comprises a first current collector (4) inlaid in the substrate (2) and further coupled to a first electrode (14), a second current collector (6) coupled to a second electrode (16), and a solid state ele... | 01/19/1993 |
| 5162175 | Cell for making secondary batteries The present invention provides all solid-state lithium and sodium batteries operating in the approximate temperature range of ambient to 145° C. (limited by melting points of electrodes/electrolyte), with demonstrated energy and power densities far in ex... | 11/10/1992 |
| 5153080 | All solidstate secondary battery An all solidstate secondary battery comprising an oxide of layer structure represented by the formula (V2 O5)x *(A)y *zH2 O serving as a cathode active material, lithim or a lithium alloy serving as a negative electrode active ... | 10/06/1992 |
| 5114809 | All solid-state lithium secondary battery The present invention provides an all solid-state lithium secondary battery comprising an oxide of layer structure serving as a positive electrode active substance and represented by the formula (V2 O5)x.cndot.(A)y.cndot.zH2 O ... | 05/19/1992 |
| 5019467 | Thin primary cell A thin primary cell formed with a combination of a positive current collection layer, a positive active layer, a solid polyelectrolyte layer and a thin metallic film layer which are successively laminated onto an insulating material. Since this thin prima... | 05/28/1991 |
| 4851307 | Ionically conductive material An ionically conductive material useful in electrochemical generators is disclosed. This ionically material comprises a salt in solution in a solvent. The solvent comprises a sulfonated derivative of Formula (I): wherein R1, R2, R3 | 07/25/1989 |
