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| Number | Title | Issue Date |
| 7674552 | Battery having lithium fluoride/lithium hydroxide coating on anode A battery capable of improving battery characteristics such as cycle characteristics is provided. A coating containing lithium fluoride and lithium hydroxide is provided on the surface of an anode active material layer. The ratio between lithium fluoride and lithium... | 03/09/2010 |
| 7217477 | Non-aqueous electrolyte additive for improving safety and lithium ion secondary battery comprising the same The present invention relates to a non-aqueous electrolyte additive for improving safety and a lithium secondary battery comprising the same, and more particularly to a non-aqueous electrolyte additive that can improve cycle life and safety properties of a lithium i... | 05/15/2007 |
| 7195844 | Lithium secondary battery In a lithium secondary battery comprising positive and negative electrodes each comprising at least an active material capable of occluding and releasing lithium ions, a binder and a current collector, and an electrolytic solution, the active material in the positiv... | 03/27/2007 |
| 7108944 | Active material having surface treatment layer for battery and method of preparing the same An active material for a battery has a surface treatment layer that includes a conductive agent and at least one coating-element-containing compound selected from the group consisting of a coating-element-containing hydroxide, a coating-element-containing oxyhydroxi... | 09/19/2006 |
| 6936381 | Lithium 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 crosslinked polymer layers in contact with the first layer compri... | 08/30/2005 |
| 6911274 | Fuel cell system A fuel cell system is described which comprises a power source and a fuel storage unit. A flowable fuel is contained with the fuel storage unit. A first flow path delivers fuel from the fuel storage unit to the power source. Some or all of this fuel is deposited int... | 06/28/2005 |
| 6811903 | Electrochemical cell recharging system A rechargeable electrochemical cell system is provided. The system includes a plurality of cells, wherein each cell is comprised of a first electrode, a second electrode, and a third electrode electrically isolated from the second electrode. The cell system may be d... | 11/02/2004 |
| 6797428 | Lithium 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 crosslinked polymer layers in contact with the first layer compri... | 09/28/2004 |
| 6558849 | Battery separator with copper-containing inorganic salt A battery separator containing cellulose and an insoluble inorganic salt of copper ions when placed in a zinc-based battery, minimizes zinc dendrite formation to extend battery cycle life.... | 05/06/2003 |
| 6544686 | Metal-alkaline battery cells with reduced corrosion rates A metal-alkaline battery having a reduced corrosion rate and enhanced electrochemical properties comprises an anode that includes derivatives of polyethylene glycol (PEG). The PEG derivatives have one or more hydrophilic moieties attached to the ends of t... | 04/08/2003 |
| 6541160 | Battery separator with sulfide-containing inorganic salt A battery separator for use in a zinc-based battery containing sulfide ions is employed to minimize copper ion diffusion into the electrodes by placing a regenerated cellulose separator next to the copper-containing layer containing low solubility sulfide... | 04/01/2003 |
| 6495289 | Lithium secondary cell with an alloyed metallic powder containing electrode In Lithium secondary cells, alkali secondary cells and bromine-zinc secondary batteries capable of retarding the growth of a dendrite, which would occur at the time of charging thereof and result in performance degradation, and having high energy densitie... | 12/17/2002 |
| 6387148 | Hydrogen absorbing alloy compact for use as the negative electrode of an alkaline rechargeable battery The present invention provides a hydrogen absorbing alloy compact for use as the negative electrode of an alkaline rechargeable battery which is made without the aid of a current-collecting support, contains a binder dispersed in the interstices formed by... | 05/14/2002 |
| 6372386 | Electrode active material and polymer electrolyte matrix composition for lithium ion polymer battery An electrode active material composition containing a pyrolytic plasticizer, a polymer electrolytic matrix composition and a preparation method of a lithium ion polymer battery using the same are provided. Since a separate plasticizer extraction step usin... | 04/16/2002 |
| 6300015 | Proton conductive polymer battery and method of forming the same The present invention provides a positive electrode active material doped with a dopant comprising an anion having the same or similar molecular structure to a polymer matrix of at least one of a solid electrolyte and a gel solid electrolyte.... | 10/09/2001 |
| 6291107 | Non-aqueous electrolyte battery The invention provides a non-aqueous electrolyte battery using a carbonaceous material capable of doping or dedoping lithium for an anode, a composite oxide comprising lithium and a transition metal for a cathode, and a non-aqueous electrolyte obtained by... | 09/18/2001 |
| 6287723 | Alkaline secondary battery having an anode comprising a non ionic polymer binder An alkaline secondary battery comprising an electrolyte such as aqueous solution of potassium hydroxide, at least one cathode electrode, at least one anode electrode having an anode active material layer, and a separator such as non-woven fabric between t... | 09/11/2001 |
| 6187478 | Battery element containing efficiency improving additives A battery element of a lead acid battery including a negative plate, a positive plate and a separator having a metal inhibiting additive that reduces the detrimental effects of at least one impurity on the negative plate.... | 02/13/2001 |
| 6180282 | Cathode for lithium secondary battery A cathode for a lithium secondary battery wherein the surface of the cathode of which a composition containing a cathode active material, a conductive substance and a binder is supported on a current collector, is coated with at least one ion-permeable re... | 01/30/2001 |
| 6165641 | Nanodisperse transition metal electrodes (NTME) for electrochemical cells Disclosed are transition metal electrodes for electrochemical cells using gel-state and solid-state polymers. The electrodes are suitable for use in primary and secondary cells. The electrodes (either negative electrode or positive electrode) are characte... | 12/26/2000 |
| 6159635 | Composite electrode including current collector A composite electrode for a rechargeable lithium battery is described. The composite electrode has a metallic current collector in contact with an electrically conducting organic polymer laminate made of a blended and annealed polymeric mixture containing... | 12/12/2000 |
| 6153328 | System and method for preventing the formation of dendrites in a metal/air fuel cell, battery or metal recovery apparatus A System and method is disclosed for preventing dendrite formation in a fuel cell, battery or metal recovery system. Typical metal/air fuel cell stacks comprise a plurality of cells electrically coupled together in a serial fashion. Electrolyte is typical... | 11/28/2000 |
| 6013387 | Hydrogen absorbing alloy for battery application A hydrogen absorbing alloy is disclosed for use as the negative electrode in alkaline batteries. The general formula of the alloy is ABx My, wherein A is selected from the rare earth element La or a mischmetal thereof; B is selected ... | 01/11/2000 |
| 5869208 | Lithium ion secondary battery In a lithium ion secondary battery having a positive electrode, a negative electrode, a non-aqueous electrolyte, and a container, the positive electrode is made of a positive electrode active material having a spinel structure and the formula: Lix | 02/09/1999 |
| 5840443 | Redox polymer electrodes for advanced batteries Advanced batteries having a long cycle lifetime are provided. More specifically, the present invention relates to electrodes made from redox polymer films and batteries in which either the positive electrode, the negative electrode, or both, comprise redo... | 11/24/1998 |
| 5721069 | Nonaqueous electrolyte secondary battery Disclosed is a nonaqueous electrolyte secondary battery including a negative electrode prepared by coating a substrate with a slurry comprising a carbon material, an alkali metal salt of carboxymethylcellulose, and a styrene-butadiene rubber and drying it... | 02/24/1998 |
| 5650060 | Ionically conductive agent, system for cathodic protection of galvanically active metals, and method and apparatus for using same An ionically conductive agent having means for reducing passivation of metal subject to anodic dissolution is disclosed. The ionically conductive agent is interposed between metal to be protected from corrosion and metal to be sacrificed to provide cathod... | 07/22/1997 |
| 5604056 | Electrolytic cell and process for treating an alkali metal electrode An electrolytic cell and process for treating an alkali metal electrode, wherein an additive is applied to the electrode so as to result in a predominately additive interface between the electrode and an electrolyte. The additive interface is ionically co... | 02/18/1997 |
| 5434021 | Secondary electrolytic cell and electrolytic process An electrolytic cell and electrolytic process wherein the cell includes a metal anode (such as a lithium anode), a cathode and an electrolyte. A surface layer which is applied to the metal anode enables transfer of ions from the metal anode to the electro... | 07/18/1995 |
| 5382482 | Zinc electrode for alkaline storage battery According to the present invention there is provided a negative zinc electrode for an alkaline storage battery, comprising an electrode using zinc as an active material and a polymer layer which is substantially in direct contact with the electrode, the p... | 01/17/1995 |
| 5366829 | Method of forming an anode material for lithium-containing solid electrochemical cells This invention is directed to lithium and lithium alloy metal substrates, coated with a polymeric layer containing dispersed lithium or lithium alloy metal particles. The coated metal finds use as anode material in solid electrochemical cells. A method of... | 11/22/1994 |
| 5348820 | Zinc electrode for alkaline storage battery A negative zinc electrode for an alkaline storage battery capable of suppressing the occurrence of dendrite and shape change is provided. The negative zinc electrode comprises an electrode using zinc as an active material and a polymer layer formed substa... | 09/20/1994 |
| 5158643 | Method for manufacturing zinc oxide whiskers The present invention provides a method for manufacturing zinc oxide whiskers, whereby zinc powders composed of particles coated with an oxide film, preferably an oxide film having a superior sealing property are, heated for oxidization in an atmosphere c... | 10/27/1992 |
| 4812375 | Separator for lithium batteries and lithium batteries including the separator A multilayer separator is provided for insertion between the cathode and de in lithium secondary or primary batteries, the separator including porous membrane and an electroactive polymeric material contained within the separator layers wherein the polym... | 03/14/1989 |
| 4675258 | Protected electrode article A protected electrode article comprising sensitive electrode material having a layer of protective material bonded to at least part of its surface by means of an adhesive which can be made to swell by treatment with liquid, so as to increase the permeabil... | 06/23/1987 |
| 4614696 | Negative electrode plate for alkaline storage cells of sealed type The present invention provides a negative electrode plate for alkaline storage cells of the sealed type which comprises an active material layer formed on each of opposite surfaces of an electrically conductive carrier sheet from a paste composed chiefly ... | 09/30/1986 |
| 4563403 | Electrolyte for electro-chemical cells An electrolyte is disclosed which can be used in a variety of electrochemical cells and rechargeable accumulators. The electrolyte solution contains a complexing agent which reduces electrode solubility, combats dendrite formation, improves electrolyte co... | 01/07/1986 |
| 4517265 | Composite and flexible anodes for lithium cells in non-aqueous medium Anode composition based on a mixture of plastic or elastomeric macromolecular material with ionic conduction, an alloy of lithium and particles of a carbon compound of the formula: Lix C where 0ࣘx | 05/14/1985 |
| 4407913 | Electrode coating composed of copolymers derived from diacetone acrylamide An improved electrode coating and separator coating derived from a copolymer of diacetone acrylamide and a polymerizable monomer. This invention relates to novel rechargeable electrodes, separators and processes for preparing same.... | 10/04/1983 |
| 4245016 | Electrode coating composed of copolymers derived from diacetone acrylamide An improved electrode coating and separator coating derived from a copolymer of diacetone acrylamide and a polymerizable monomer. This invention relates to novel rechargeable electrodes, separators and processes for preparing same.... | 01/13/1981 |
