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| Number | Title | Issue Date |
| 8053112 | Non-aqueous electrolyte battery and method of manufacturing the same A non-aqueous electrolyte secondary battery includes a positive electrode having a positive electrode active material layer containing a positive electrode active material, a negative electrode having a negative electrode active material, a separator interposed betw... | 11/08/2011 |
| 7833661 | Electrolytes for lithium ion secondary batteries The present invention relates to additives for electrolytes of lithium ion secondary batteries that include one or more of the following: 1,3-propane sultone, succinic anhydride; ethenyl sulfonyl benzene, and halobenzene. It can also include biphenyl, cyclohexylbenz... | 11/16/2010 |
| 7651815 | Lithium secondary battery A lithium secondary battery comprising positive and negative electrodes both capable of occluding and releasing lithium ions, and a lithium ion conductive material which contains a compound of formula (1) exhibits improved characteristics including charge/discharge ... | 01/26/2010 |
| 7348102 | Corrosion protection using carbon coated electron collector for lithium-ion battery with molten salt electrolyte A battery, such as a lithium-ion battery, comprises a first electrode, a second electrode, a molten salt electrolyte, and an electron collector, associated with the first electrode, the electron collector comprising an electrically conducting film. The battery furth... | 03/25/2008 |
| 7341806 | Battery having carbon foam current collector A battery cell includes a negative current collector and at least one carbon foam positive current collector disposed within the cell such that the negative current collector at least partially surrounds the at least one carbon foam positive current collector. An in... | 03/11/2008 |
| 7326496 | Alkali dry cell In an alkaline dry battery comprising a positive electrode, a negative electrode, and an alkaline electrolyte, the positive electrode includes manganese dioxide and graphite powder and contains Ti(SO4)2 as an additive. ... | 02/05/2008 |
| 7318979 | Polymer battery and related method A polymer battery is provided with a positive electrode active material layer, a negative electrode active material layer placed in opposition to the positive electrode active material layer, a polymer electrolyte layer disposed between the positive electrode active... | 01/15/2008 |
| 7263449 | Method for determining poor performing cells A means for determining long-term discharge performance, particularly in a lithium/silver vanadium oxide cell, by analyzing and characterizing the initial pulse voltage waveform, is described. The relationship between the initial P1 (Pmin) voltage drop an... | 08/28/2007 |
| 7226549 | High cation transport polymer electrolyte A solid state ion conducting electrolyte and a battery incorporating same. The electrolyte includes a polymer matrix with an alkali metal salt dissolved therein, the salt having an anion with a long or branched chain having not less than 5 carbon or silicon atoms th... | 06/05/2007 |
| 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 |
| 7183019 | Negative active material composition for a rechargeable lithium battery, method of producing a negative electrode for a rechargeable lithium battery using the same, and rechargeable lithium battery fabricated using the same Disclosed is a negative active material composition for a rechargeable lithium battery, a method of producing a negative electrode for a rechargeable lithium battery using the same, and a rechargeable lithium battery using the same. The negative active material comp... | 02/27/2007 |
| 7169328 | Multiphase nanocomposite material and method for its manufacture A multiphase composite material having utility as an electrochemical electrode or catalyst includes a first active phase which is an amorphous, electrochemically active material; and a second, stabilizer phase which includes one or more of: metals, carbon, ceramics,... | 01/30/2007 |
| 7147968 | Positive electrode for lithium-sulfur battery A positive electrode for a lithium-sulfur battery includes a positive active material including a sulfur-based compound, an electrically conductive material, an agent for increasing viscosity, and a binder. The agent is selected from a cellulose-based compound, an i... | 12/12/2006 |
| 7136701 | Hybrid battery power source for implantable medical use A hybrid battery power source for implantable medical use provides a generally constant low internal resistance during discharge and avoids voltage delays of the type that develop as a result of run down-induced resistance increase in Li/SVO cells. The hybrid batter... | 11/14/2006 |
| 7079893 | Hybrid battery power source for implantable medical use A hybrid battery power source for implantable medical use provides a generally constant low internal resistance during discharge and avoids voltage delays of the type that develop as a result of run down-induced resistance increase in Li/SVO cells. The hybrid batter... | 07/18/2006 |
| 7033703 | Composite material and current collector for battery A composite material including a first carbon foam structure including a network of pores and a second carbon foam structure including a network of pores. An intermediate bonding structure is disposed at least in part between the first and second carbon foam structu... | 04/25/2006 |
| 7029794 | Lithium battery and electrode An electrode includes an electrically conductive matrix containing a disulfide group, wherein an S—S bond of the disulfide group is cleaved by electrochemical reduction and reformed by electrochemical oxidation. A plurality of carbon nanotubes are substantially di... | 04/18/2006 |
| 7026791 | Electrochemical treatment method to reduce voltage delay and cell resistance in lithium/silver vanadium oxide cells It is known that reforming implantable defibrillator capacitors at least partially restores and preserves their charging efficiency. An industry-recognized standard is to reform implantable capacitors by pulse discharging the connected electrochemical cell about onc... | 04/11/2006 |
| 7020519 | Hybrid battery power source for implantable medical use A hybrid battery power source for implantable medical use provides a generally constant low internal resistance during discharge and avoids voltage delays of the type that develop as a result of run down-induced resistance increase in Li/SVO cells. The hybrid batter... | 03/28/2006 |
| 6979513 | Battery including carbon foam current collectors A battery having a current collector constructed of carbon foam. The carbon foam includes a network of pores into which a chemically active material is disposed to create either a positive or negative plate for the battery. The carbon foam resists corrosion and exhi... | 12/27/2005 |
| 6953566 | Process for preparing cathode material for lithium batteries The present invention relates to a novel process based on solid state thermal reaction for the preparation of cathode materials for lithium secondary batteries such as rocking chair and intercalated batteries. ... | 10/11/2005 |
| 6919141 | Phosphate additives for nonaqueous electrolyte rechargeable electrochemical cells A lithium ion electrochemical cell having high charge/discharge capacity, long cycle life and exhibiting a reduced first cycle irreversible capacity, is described. The stated benefits are realized by the addition of at least one phosphate additive having the formula... | 07/19/2005 |
| 6911280 | Chemical protection of a lithium surface Disclosed are compositions and methods for alleviating the problem of reaction of lithium or other alkali or alkaline earth metals with incompatible processing and operating environments by creating a ionically conductive chemical protective layer on the lithium or ... | 06/28/2005 |
| 6909915 | Hybrid battery power source for implantable medical use A hybrid battery power source for implantable medical use provides relatively stable resistance during discharge and avoids the voltage delays that develop as a result of variable resistance increase in Li/SVO cells. The hybrid battery power source utilizes two batt... | 06/21/2005 |
| 6808845 | Electrode metal material, capacitor and battery formed of the material and method of producing the material and the capacitor and battery The present invention relates to an electrode metal material for batteries, capacitors, etc, used in contact with non-aqueous electrolyte, and particularly to a capacitor formed of the electrode metal material, and provides a valve metal material capable of decreasi... | 10/26/2004 |
| 6777131 | Negative plate for a lead acid battery containing efficiency improving additives A battery element of a lead acid battery including a negative plate, a positive plate and a separator having a micronized metal inhibiting additive associated with the negative plate that reduces the detrimental effects of at least one cation metal impurity on the n... | 08/17/2004 |
| 6759170 | Organic carbonate additives for nonaqueous electrolyte rechargeable electrochemical cells A lithium ion electrochemical cell having high charge/discharge capacity, long cycle life and exhibiting a reduced first cycle irreversible capacity, is described. The stated benefits are realized by the addition of at least one carbonate additive to an electrolyte ... | 07/06/2004 |
| 6740452 | Process of forming a negative battery paste Provided for herein is a process of forming a negative battery paste comprising combining a barium containing material at least partially dissolved in a portion of water with an organic expander, carbon black, and a lead oxide containing material to form a first mix... | 05/25/2004 |
| 6733547 | Method of making a paste composition for lead acid battery A composition and plate-making process for a lead acid battery for reducing active material shrinkage in negative battery plates. A polymer is mixed with lead oxide, water, an expander and sulfuric acid to form a negative paste composition comprising the expander an... | 05/11/2004 |
| 6728096 | Non-aqueous electrolyte A non-aqueous electrolyte for use in batteries and electrical capacitors for use at low temperatures. The electrolyte consists of at least two electrolyte salts in an electrochemical solvent or at least one electrolyte salt in a mixture of electrochemical solvents. | 04/27/2004 |
| 6676713 | Process for producing electrode of nonaqueous electrolyte battery In a process for producing an electrode of a nonaqueous electrolyte battery, an electrode and a polymer paste are prepared. The electrode is made of a metal as a current collector and an active material layer thereon. The polymer paste has a polymer disso... | 01/13/2004 |
| 6667133 | Gelating agent for alkaline cell and alkaline cell A gelating agent for an alkaline cell is a cross-linked polymer (A) comprising (meth)acrylic acid and/or its alkali metal salt as a main constituent monomer unit and obtained by an aqueous solution polymerization or a reversed phase suspension polymerizat... | 12/23/2003 |
| 6664002 | Organic expander for lead-acid storage batteries An organic expander composition for improving the cycle life and the cold crank ability properties of lead-acid batteries as compared to standard or oxylignin organic expanders. The organic expander composition is obtained by a blend of oxylignin and kraf... | 12/16/2003 |
| 6660434 | Engineered carbonaceous materials and power sources using these materials An engineered carbonaceous material (ECM) comprising a mixture of synthetic graphite and one or more other graphite, such as natural flake graphite, natural vein graphite, and/or amorphous graphite. The objects are also achieved by an ECM comprising a mix... | 12/09/2003 |
| 6649305 | Secondary electrochemical generators of the zinc-anode alkaline type Secondary electrochemical generators of the zinc-electrode alkaline type whose anode has a great capacity for cycling. The electrochemical generators according to the invention comprise zinc anodes made in such a manner as to increase within the active ma... | 11/18/2003 |
| 6613475 | Electrochemical cell having a pre-passivated electrode and associated fabrication process The present invention relates to an electrode for an electrochemical cell comprising: a current collecting substrate; an active material layer associated with the substrate; and solid electrolyte interface layer associated with the active material layer, ... | 09/02/2003 |
| 6605385 | Electrochemical cell having an electrode with a carbonate additive in the electrode active mixture An electrochemical cell of either a primary or a secondary chemistry, is described. In either case, the cell has a negative electrode of lithium or of an anode material which is capable of intercalating and de-intercalating lithium coupled with a positive... | 08/12/2003 |
| 6586135 | Electrochemical cell having an electrode with a dicarbonate additive in the electrode active mixture An electrochemical cell of either a primary or a secondary chemistry, is described. In either case, the cell has a negative electrode of lithium or of an anode material which is capable of intercalating and de-intercalating lithium coupled with a positive... | 07/01/2003 |
| 6555271 | Anode for lithium-ion battery An anode for a lithium-ion battery is presented as well as a process for producing an anode for a lithium-ion battery. The anode is formed from a generally continuous sheet of particles of exfoliated graphite having a thickness of no more than about 350 m... | 04/29/2003 |
| 6537698 | Electrochemical cell having an electrode with a phosphonate additive in the electrode active mixture An electrochemical cell of either a primary or a secondary chemistry, is described. In either case, the cell has a negative electrode of lithium or of an anode material which is capable of intercalating and de-intercalating lithium coupled with a positive... | 03/25/2003 |
