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| Number | Title | Issue Date |
| 8178245 | Electrode assembly having porous separator that contains an antacid and secondary battery having the same An electrode assembly and a secondary battery having the same are provided. The electrode assembly includes a positive electrode including a positive electrode active material layer, a negative electrode including a negative electrode active material layer, and a po... | 05/15/2012 |
| 8071239 | Long life and low corrosion lead storage battery A lead storage battery of the present invention has an electrode plate pack including: a plurality of negative electrode plates in each of which a negative electrode active material layer is retained by a negative electrode grid, a plurality of positive electrode pl... | 12/06/2011 |
| 8021788 | Secondary battery having electrode for improvement of stability during overcharge Disclosed herein is a secondary battery including an electrode assembly that can be charged and discharged, wherein the electrode assembly includes an electrode (‘safety electrode’) composed of a material that effects an electrochemical reaction when the seconda... | 09/20/2011 |
| 8012629 | Batteries containing bismuth glass compositions Disclosed are glass compositions, glass fiber compositions, glass fiber battery separators, glass fiber filter media, battery additives and active materials formed with glass compositions disclosed, glass fiber radiation shields, and glass fiber paper compositions. ... | 09/06/2011 |
| 8003260 | Overcharge and overdischarge protection in lithium-ion batteries A lithium-ion battery comprising a first electrode made of cathodic material, a second electrode made of anodic material and an electrolyte, said lithium-ion battery containing an overcharge protection material consisting of redox molecules, characterized by the fac... | 08/23/2011 |
| 7993781 | Method for making a lithium ion battery dischargeable to zero volts A lithium ion battery particularly configured to be able to discharge to a very low voltage, e.g. zero volts, without causing permanent damage to the battery. More particularly, the battery is configured to define a Zero Volt Crossing Potential (ZCP) which is lower ... | 08/09/2011 |
| 7914931 | Separator for rechargeable lithium battery, rechargeable lithium battery including the same, and method for preparing rechargeable lithium battery A separator for a rechargeable lithium battery, a rechargeable lithium battery including the same, and a method of manufacturing a rechargeable lithium battery. The separator includes a separating substrate; and an antistatic agent coated on the separating substrate... | 03/29/2011 |
| 7754387 | Separator for battery and alkaline battery A separator for alkaline batteries which is obtained by bonding 5.0 to 45.0 g/m2 of a highly hygroscopic macromolecular compound of the crosslinking type having carboxyl group to a wetlaid nonwoven fabric comprising an alkali-resistant fiber, followed by ... | 07/13/2010 |
| 7670724 | Alkali-hydroxide modified poly-vinylidene fluoride/polyethylene oxide lithium-air battery A metal-air battery includes a housing having an aperture for the passage of air and a pair of electrodes that extend from the housing. An air cathode may be interconnected with one of the electrodes and an anode may include a metal foil that is interconnected with ... | 03/02/2010 |
| 7592101 | Non-aqueous electrolyte primary battery A non-aqueous electrolyte primary battery including: a positive electrode including a fluorinated carbon; a negative electrode including a lithium metal; a non-aqueous electrolyte; and a separator, wherein the non-aqueous electrolyte includes a non-aqueous solvent a... | 09/22/2009 |
| 7416815 | Negative electrode member for lithium battery and process for producing the same Affords high-stability, high-safety lithium secondary batteries of high energy density and superlative charge/discharge cyclability, in which shorting due to the growth of dendrites from the metallic-lithium negative electrode is kept under control. A lithium... | 08/26/2008 |
| 7399555 | Non-aqueous electrolytic secondary battery A non-aqueous electrolyte secondary battery comprising: an electrode plate assembly; a non-aqueous electrolyte; and an outer jacket accommodating the electrode plate assembly and the non-aqueous electrolyte therein, the electrode plate assembly comprising a positive... | 07/15/2008 |
| 7288338 | Mat of glass and other fibers and method for producing such mat A binderless glass fiber mat suitable for use as a separator for valve regulated (“recombinant”) lead acid (“VRLA”) batteries is disclosed. The separator is produced by a dry process by collecting the fibers from fiberizing apparatus, without subjecting them... | 10/30/2007 |
| 7279251 | Lithium secondary battery comprising a super fine fibrous polymer separator film and its fabrication method The present invention provides a lithium secondary battery and its fabrication method. More particularly, the present invention provides a lithium secondary battery comprising a super fine fibrous porous polymer separator film and its fabrication method, wherein the... | 10/09/2007 |
| 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 |
| 7160645 | Lead-acid battery having an organic polymer additive and process thereof A process for prolonging the life of a lead-acid battery by adding an organic polymer and ultra fine lignin to its electrolyte and then discharging the battery at a high current rate and the battery so produced. ... | 01/09/2007 |
| 7125431 | Method for adhesion of wound electrodes or electrode lamination for use in a lithium-ion secondary battery A method for adhesion of wound electrodes or electrode lamination for use in a lithium-ion secondary battery, comprising acts of dissolving a polymer applied on electrode sheets in a selected solvent; applying the solvent containing polymer on surfaces of the electr... | 10/24/2006 |
| 7112389 | Batteries including improved fine fiber separators Alkaline and lithium batteries are disclosed that advantageously include separators comprising at least one porous layer of fine fibers having a diameter of between about 50 nm and about 3000 nm that provide improved combinations of reduced thickness, dendritic barr... | 09/26/2006 |
| 7081320 | High energy density secondary battery for repeated use A secondary battery exhibiting a long cycle life and comprising a negative pole activating material made of lithium or zinc is provided, the battery at least having a negative pole made of lithium or zinc serving as the negative pole activating material, an electrol... | 07/25/2006 |
| 7070884 | Separator with improved barrier performance The present invention is directed to a nonwoven composite fabric for use on batteries or fuel cells comprising one or more layers of fine denier spunbond filaments and at least one layer of barrier material, wherein said nonwoven composite fabric has an improved bar... | 07/04/2006 |
| 7056621 | Alkaline storage battery An alkaline storage battery includes a positive electrode, a negative electrode, a separator, and an alkaline electrolyte retained in the positive electrode, the negative electrode, and the separator. The alkaline storage battery further includes a first compound fo... | 06/06/2006 |
| 7033705 | Polymer electrolyte, rechargeable lithium battery and method of preparing rechargeable lithium battery A polymer electrolyte includes an organic electrolyte solution and a composite fiber immersed with the organic electrolyte solution. The organic electrolyte includes lithium salts dissolved in a non-aqueous solvent. The composite fiber includes a fiber that is gelab... | 04/25/2006 |
| 6929884 | Method for manufacture of films containing insoluble solids embedded in cellulose-based films A film which slowly releases solids is prepared by dissolving cellulose in a solvent such as an alkali metal salt, for example L1Cl in a polar solvent such as DMAC, dispersing the solid in the solution and gelling the solution with water to form a film. | 08/16/2005 |
| 6878483 | Separator for solid electrolyte condenser and solid electrolyte condenser using the same An object of the present invention is to provide a separator which is excellent in sticking and adhesion capability with the solid electrolyte, physically strong and highly heat-resistive and to provide a solid electrolyte condenser which is excellent in the impedan... | 04/12/2005 |
| 6878484 | Separator for secondary battery and method for producing the same An object of the present invention is to provide a thin battery separator having an excellent nitrate group trapping performance and a high piercing strength. The inventive separator for a secondary battery, which can accomplish such an object, is made of a resin co... | 04/12/2005 |
| 6824926 | Silica filled polymeric separator containing efficiency improving diatomite additives A battery element of a lead acid battery including a negative plate, a positive plate and a silica filled polyolefin separator having an additive associated with the separator that improves the overall efficiency of the lead acid battery. ... | 11/30/2004 |
| 6821680 | Battery separator, process for producing the same, and alkaline battery A battery including a separator having a satisfactory ammonia trapping property is speculated to exhibit a less self-discharge and a higher capacity-holding rate. The ammonia trapping property is speculated to be increased with an increasing degree of sulfonation of... | 11/23/2004 |
| 6821672 | Mat of glass and other fibers and method for producing it A binderless glass fiber mat suitable for use as a separator for valve regulated (“recombinant”) lead acid (“VRLA”) batteries is disclosed. The separator is produced by a dry process by collecting the fibers from fiberizing apparatus, without subjecting them... | 11/23/2004 |
| 6818355 | Silica filled polymeric separator containing efficiency improving additives A battery element of a lead acid battery including a negative plate, a positive plate and a silica filled polymeric separator having a micronized metal inhibiting additive associated with the separator that reduces the detrimental effects of at least one cation meta... | 11/16/2004 |
| 6814865 | Ion exchange membranes, methods and processes for production thereof and uses in specific applications The invention includes novel anion exchange membranes formed by in situ polymerization of at least one monomer, polymer or copolymer on a woven support membrane and their methods of formation. The woven support membrane is preferably a woven PVC membrane. The invent... | 11/09/2004 |
| 6811927 | Battery containing a polycarbodiimide polymer A battery highly inhibited from suffering self-discharge. The battery is characterized by containing a built-in polymer which has in the molecule a carbodiimide unit represented the following formula (I): —[—R—N═C═N—)]n— ... | 11/02/2004 |
| 6770401 | Battery separator containing efficiency improving additives A battery element of a lead acid battery including a negative plate, a positive plate and a fiber mat separator having a micronized metal inhibiting additive associated with the fiber mat that reduces the detrimental effects of at least one cation metal impurity on ... | 08/03/2004 |
| 6743548 | Silver-zinc alkaline rechargeable battery (stacking order) A rechargeable, alkaline, zinc-based battery containing a stack of hydrogen permeable cellulose-based films, each one optionally containing a dispersion of metal salts. A film may contain copper salt that reacts with cellulose to prevent zinc dispersion. A second fi... | 06/01/2004 |
| 6706450 | Separator for sealed lead acid battery A separator for a valve-regulated lead acid battery consists mainly of fine glass fibers. The separator includes inorganic powder in an amount of 5 to 30% by weight and natural pulp in an amount of 3 to 20% by weight, and has a density of not less than 0.165 g/cm | 03/16/2004 |
| 6706442 | Alkaline storage battery An alkaline storage battery comprising an improved separator and having a high energy density and an excellent cycle life characteristic is disclosed. The alkaline storage battery in accordance with the present invention comprises a positive electrode including a ni... | 03/16/2004 |
| 6682854 | Battery separator with fluoride-containing inorganic salt Separator for silver-zinc batteries made of cellulose and containing insoluble fluoride ions which when placed next to the cathode slowly release and retard silver deposition thereon.... | 01/27/2004 |
| 6680140 | Maintenance-free industrial type vented cell storage battery An industrial type vented cell storage battery includes an electrode package including at least one positive electrode containing nickel hydroxide, one negative electrode, and one hydrophilic and gas-permeable separator an extension of which beyond said e... | 01/20/2004 |
| 6677083 | Separator, gelated electrolyte, non-aqueous electrolyte, electrode and non-aqueous electrolyte cell employing the same An inorganic compound with a specific inductive capacity not less than 12, is contained in a separator, a gelated electrolyte, a non-aqueous electrolyte, and an electrode. This improves the degree of ion dissociation of a lithium compound as an electrolyt... | 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 |
| 6632565 | Lithium secondary battery A lithium secondary battery uses an organic electrolyte solution and includes a battery case, an internal electrode body contained in a battery case and including a positive electrode, a negative electrode and a separator made of porous polymer. The posit... | 10/14/2003 |
