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| Number | Title | Issue Date |
| 8097367 | Non-aqueous electrolyte secondary cell containing 1,3-dioxane compound A non-aqueous electrolyte secondary cell with superior cycle characteristics is provided. The non-aqueous electrolyte secondary cell has a positive electrode, a negative electrode, and a non-aqueous electrolyte containing a non-aqueous solvent and an electrolyte sal... | 01/17/2012 |
| 7862934 | Battery having a collector plate The object of the present invention is to provide a reliable alkaline storage battery having a structure by which a short circuit between the electrodes can be prevented in the manufacturing procedures. To achieve this object, the present invention provides a... | 01/04/2011 |
| 7709157 | Non-aqueous electrolyte secondary battery and electrolyte for the same The present invention provides a safe non-aqueous electrolyte secondary battery with characteristics analogous to those of a conventional battery by minimizing battery expansion that causes damage to a device during high temperature exposure or storage. The non-aque... | 05/04/2010 |
| 7491471 | Electrolyte for lithium secondary battery and lithium secondary battery comprising same An electrolyte for a lithium secondary battery which has a non-aqueous organic solvent including a γ-butyrolactone and optionally a cyclic carbonate, an ester compound having an electron withdrawing group, and at least two salts. The lithium secondary battery inclu... | 02/17/2009 |
| 7455935 | Ion-conductive electrolyte and cell employing the same An ion-conductive electrolyte which comprises a compound having in the molecule a structure represented by the following chemical formula and an electrolyte salt; and a cell employing the ion-conductive electrolyte. The ion-conductive electrolyte has a low vapor pre... | 11/25/2008 |
| 7452636 | Lithium secondary battery A lithium secondary battery including a positive electrode, a negative electrode including a carbon material as an active material, and a nonaqueous electrolyte comprising a solute dissolved in a nonaqueous solvent in which γ-butyrolactone is the main solvent, wher... | 11/18/2008 |
| 7419623 | Proton conducting mediums for electrochemical devices and electrochemical devices comprising the same An electrochemical device and a proton conducting medium for use in an electrochemical device having a proton conducting electrolyte comprising the formula: HaMbQ.nH2O where H is a proton, M is a cation, Q is the ... | 09/02/2008 |
| 7399554 | Hybrid rechargeable battery having high power and high energy density lithium cells A hybrid rechargeable lithium battery, which includes a plurality of high power rechargeable cells, having nano-particles therein, and high energy density rechargeable cells, with the high energy cells recharging the high power cells. The battery preferably includes... | 07/15/2008 |
| 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 |
| 7378190 | Non-aqueous electrolyte secondary battery Storage performance in a charged state is improved with a non-aqueous electrolyte secondary battery using gamma-butyrolactone as a solvent. A non-aqueous electrolyte secondary battery includes a positive electrode (2) containing a positive electrode active ma... | 05/27/2008 |
| 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 |
| 7358010 | Fluorinated carbon for metal/fluorinated carbon batteries A novel cathode composition for use in a metal/fluorinated carbon battery is produced by mixing fluorinated carbons made from anisotropic and isotropic carbon, where the anisotropic carbon is carbon fiber and the isotropic carbon is graphite. This cathode compositio... | 04/15/2008 |
| 7358012 | Electrolytes for lithium sulfur cells Disclosed is an electrochemical cell comprising a lithium anode and a sulfur-containing cathode and a non-aqueous electrolyte. The cell exhibits high utilization of the electroactive sulfur-containing material of the cathode and a high charge-discharge efficiency. | 04/15/2008 |
| 7354680 | Electrolytes for lithium sulfur cells Disclosed is an additive for an electrochemical cell wherein the additive includes an N—O bond. The additive is most preferably included in a nonaqueous electrolyte of the cell. Also disclosed are cells and batteries including the additive, and methods of charging... | 04/08/2008 |
| 7335444 | Positive electrode active material for a secondary battery, secondary battery and process of manufacturing positive electrode active material for a secondary battery A positive electrode active material containing lithium manganate having a spinel structure is used, wherein the value of a* of the L*a*b* color specification system is made to satisfy the requirement: −3.2 ≦a*≦−1.4. Or, the value of a* is made to satisfy th... | 02/26/2008 |
| 7312001 | Non-aqueous electrolytic solution and lithium battery employing the same A non-aqueous electrolytic solution and a lithium battery employing the same are provided. The non-aqueous electrolyte solution that contains a substituted or unsubstituted acetate can effectively stabilize lithium metal and improve the conductivity of lithium ions.... | 12/25/2007 |
| 7306705 | Method for dehydrating composition comprising lithium bis(pentafluoroethanesulfonyl)imide A method for dehydrating an aqueous composition comprising lithium bis(pentafluoroethanesulfonyl)imide and at least one organic solvent, wherein a part of solvent is distilled off by distillation. ... | 12/11/2007 |
| 7300722 | Lithium battery containing bismuth metal oxide A battery includes a cathode having an oxide containing one or more metals and pentavalent bismuth, an anode including lithium, a separator between the cathode and the anode, and an electrolyte. The metal(s) can be an alkali metal, an alkaline earth metal, a transit... | 11/27/2007 |
| 7285356 | Non-aqueous electrochemical cells Electrochemical cells are disclosed. In some embodiments, an electrochemical cell includes a cathode having less than about 2,000 ppm of water, an anode, and an electrolyte having a first lithium salt and LiPF6. ... | 10/23/2007 |
| 7258952 | Lithium polymer secondary cell A lithium polymer secondary battery comprising a negative electrode, a positive electrode and an electrolyte layer between both electrodes, wherein the negative electrode and the positive electrode each has a solid electrolyte prepared by incorporating an organic el... | 08/21/2007 |
| 7255965 | Non-aqueous electrolytic solution The use of lithium bis(oxalate)borate (LiBOB) as an additive in a lithium secondary battery provides improved battery performance such as long life and high capacity retention after high temperature storage. ... | 08/14/2007 |
| 7247404 | Electrolyte for lithium secondary batteries and lithium secondary battery comprising the same An electrolyte in a lithium secondary battery includes an alkyl ammonium salt having a cation of the following Formula 1, a lithium salt, and an organic solvent: wherein R1 to R4 are indepen... | 07/24/2007 |
| 7247405 | Nonaqueous electrolyte battery A nonaqueous electrolyte battery which comprises a positive electrode including carbon fluoride or sulfur as an active material, a negative electrode including calcium as an active material, and an electrolyte including an imide salt of calcium or a sulfonic acid sa... | 07/24/2007 |
| 7235335 | Nonaqueous liquid electrolyte and nonaqueous liquid electrolyte secondary battery Disclosed is a nonaqueous liquid electrolyte comprising a nonaqueous solvent, an electrolyte dissolved in the nonaqueous solvent and a macromolecular material added to the nonaqueous solvent. The nonaqueous liquid electrolyte is a fluid having a viscosity at 20° C.... | 06/26/2007 |
| 7234885 | Device for packaging and/or dispensing a product and manufacturing methods A device for at least one of packaging and dispensing a product may include a receptacle configured to contain a product and at least one body. The at least one body may include a binder and a plurality of particles associated with the binder. The at least one body ... | 06/26/2007 |
| 7229717 | Anode active material and battery using it A battery with a high capacity and superior cycle characteristics, and an anode active material used for it are provided. An anode active material contains tin as a first element, a second element, and a third element. The second element is at least one from the gro... | 06/12/2007 |
| 7192674 | Lithium primary battery A lithium primary battery contains a positive electrode and a negative electrode, wherein the positive electrode comprises manganese dioxide containing boron and phosphorus and the negative electrode comprises lithium or lithium alloy. ... | 03/20/2007 |
| 7189477 | Low temperature electrochemical cells Disclosed is an electrochemical cell comprising a lithium anode and a sulfur-containing cathode and a non-aqueous electrolyte solvent. In the fully charged state of the cell the concentration of lithium ions is preferably less than 0.3 M. The cell delivers high disc... | 03/13/2007 |
| 7175939 | Non-aqueous electrolyte secondary battery In a non-aqueous electrolyte secondary battery provided with a positive electrode, a negative electrode using carbon material as negative electrode active material, and a non-aqueous electrolyte solution, the non-aqueous electrolyte solution contains at least a satu... | 02/13/2007 |
| 7172837 | Nonaqueous electrolyte secondary battery having a negative electrode containing carbon fibers and carbon flakes A nonaqueous electrolyte secondary battery is provided with a positive electrode including a positive-electrode active material, a negative electrode including a negative-electrode active material, and a nonaqueous electrolyte solution. The negative electrode furthe... | 02/06/2007 |
| 7125631 | Lithium salt, ionic conductor and liquid electrolyte Disclosed are a lithium salt expressed by a formula, LiAlXn(OY)4-n, where “X” is an electrophilic substituent group and “Y” is an oligoether group, an ionic conductor with the lithium salt dispersed in a structural member, and a liquid ... | 10/24/2006 |
| 7101641 | Lithium primary battery In a lithium battery comprising a positive electrode for which manganese dioxide is employed, manganese dioxide containing 0.1 to 3% by weight of boron is employed as the positive electrode and a lithium alloy containing 0.05 to 2% by weight of aluminum is employed ... | 09/05/2006 |
| 7037624 | Electrolyte for lithium battery, method of preparing the same, and lithium battery comprising same An electrolyte for a lithium battery is disclosed. The electrolyte includes a non-aqueous organic solvent, a lithium salt, and at least one dioxolane-based additive. ... | 05/02/2006 |
| 7026073 | Non-aqueous electrolyte secondary battery In an electrolyte of a non-aqueous electrolyte secondary battery using a cyclic carboxylic-acid ester exerting high conductivity under a low temperature condition, for suppressing reductive decomposition of the cyclic carboxylic acid ester, a cyclic carbonic acid es... | 04/11/2006 |
| 7026075 | Nonaqueous electrolyte battery and nonaqueous electrolytic solution The present invention achieves an increased capacity and prolonged life of nonaqueous electrolyte batteries of the type in which light metals, such as magnesium, calcium or aluminum, are used in the negative electrode. The present invention also provides a thermally... | 04/11/2006 |
| 7014915 | Controlled binary macrosegregated powder particles, their uses, and preparation methods therefor A material has a mass of powder particles. The mass of powder particles includes controlled binary macrosegregated powder particles made of at least two constituent elements. Each controlled binary macrosegregated powder particle has a chemically binary structure wh... | 03/21/2006 |
| 7002728 | Electrophoretic particles, and processes for the production thereof Copper chromite particles can advantageously be used as black particles in electrophoretic media and displays. Preferably, the copper chromite particles are coated with a silica coating and a polymer coating. ... | 02/21/2006 |
| 6984367 | Process for the preparation of lithium iodide solutions A process is described for the preparation of lithium iodide solutions by reacting a lithium-containing substance with elemental iodine, the lithium iodide being prepared in an aprotic solvent that can be used as a solvent in a liquid electrolyte solution. ... | 01/10/2006 |
| 6958198 | Non-aqueous electrochemical apparatus The invention relates to a non-aqueous electrochemical apparatus in which the difference (γl−γse) between the surface tension γl of non-aqueous electrolyte and the surface free energy γse of electrode is not more than 10 dynes/cm. ... | 10/25/2005 |
| 6955866 | Coated lithium electrodes Batteries including a lithium anode stabilized with a metal-lithium alloy and battery cells comprising such anodes are provided. In one embodiment, an electrochemical cell having an anode and a sulfur electrode including at least one of elemental sulfur, lithium sul... | 10/18/2005 |