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| Number | Title | Issue Date |
| 8182948 | Separator of lithium ion battery, method for making the same, and lithium ion battery using the same A separator of a battery includes a porous membrane and a modifier layer disposed on a surface of the porous membrane, wherein a material of the modifier layer is a dried mixture of a phosphorus source having a phosphate radical, a trivalent aluminum source, and a m... | 05/22/2012 |
| 8137846 | Nonaqueous-electrolyte secondary battery A subject for the invention is to improve the cycle characteristics of a high-capacity secondary battery containing an active material packed at a high density, by using a particulate active material having a low aspect ratio. The invention relates to a nonaqueous-e... | 03/20/2012 |
| 8062795 | Separator and electrochemical device comprising the same Disclosed is a separator comprising inorganic particle or aggregates thereof having a unique spectrum or color pattern according to a predetermined rule. Also, disclosed are an electrochemical device comprising the above separator and a method for identifying the or... | 11/22/2011 |
| 8026005 | Microporous polyolefin membrane, its production method, battery separator, and battery A microporous polyolefin membrane having a structure in which its pore size distribution curve obtained by mercury intrusion porosimetry has at least two peaks, which is produced by (1) extruding a melt-blend of (a) (i) a polyethylene resin containing 7% or less by ... | 09/27/2011 |
| 7976987 | Separator for nonaqueous secondary battery, method for producing the same, and nonaqueous secondary battery The present invention is to provide a separator that is excellent in heat resistance, shutdown function, flame retardancy and handling property. The separator for a nonaqueous secondary battery of the invention is a separator for a nonaqueous secondary battery that ... | 07/12/2011 |
| 7939204 | Separator for lead-acid battery A separator for a lead-acid battery enabling the lead acid battery to infallibly have a predetermined capacity after the initial charging and a prolonged service life by limiting the maximum quantity of reducing substance liberated or produced from the separator at ... | 05/10/2011 |
| 7879498 | Center pin and lithium ion secondary battery using the same A center pin and a lithium ion secondary battery are provided. The center pin has a hollow body and a solid extinguishant is disposed inside the hollow body. The solid extinguishant has a certain shape that can fit into the hollow body, and can be made by compressin... | 02/01/2011 |
| 7867656 | Fuel cell separator and method for manufacturing the same The present invention provides a fuel cell separator formed of a continuous carbon-fiber composite, and a method for manufacturing the same. ... | 01/11/2011 |
| 7833664 | Nonaqueous electrolyte battery, battery pack and vehicle A nonaqueous electrolyte battery includes a positive electrode, a negative electrode, a separator and a nonaqueous electrolyte. The negative electrode contains a negative electrode active material having a Lithium ion insertion potential of 0.4 V (vs. Li/Li+ | 11/16/2010 |
| 7790320 | Battery separator with Z-direction stability A battery separator is a microporous membrane. The membrane has a major volume of a thermoplastic polymer and a minor volume of an inert particulate filler. The filler is dispersed throughout the polymer. The membrane exhibits a maximum Z-direction compression of 95... | 09/07/2010 |
| 7776486 | Titanium-based material for fuel cell separators and a method for the production thereof A separator material effective for decreasing the weight of fuel cells is provided which is lightweight, has good corrosion resistance, and exhibits a minimized increase in electrical contact resistance during use for a long period. Titanium or a titanium alloy is p... | 08/17/2010 |
| 7759009 | Pyrogenic oxidic powder, production thereof and use thereof in a separator for an electrochemical cell A pyrogenic oxidic powder composed of particles, comprising (i) atoms of an element of groups 3A, 4A, 3B or 4B of the periodic table of the elements, and (ii) oxygen atoms, said particles being characterized by lithium atoms attached to said atoms via an oxygen brid... | 07/20/2010 |
| 7662517 | Organic/inorganic composite microporous membrane and electrochemical device prepared thereby Disclosed is an organic/inorganic composite porous separator comprising: (a) a polyolefin-based separator substrate; and (b) an active layer formed by coating at least one region selected from the group consisting of a surface of the substrate and a part of pores pr... | 02/16/2010 |
| 7544444 | Alkaline dry battery and method for evaluating separator for use in alkaline dry battery An alkaline dry battery having high reliability is provided by using a separator that has excellent drop impact resistance when impregnated with an alkaline electrolyte. In the alkaline dry battery according to the present invention, an electrolyte solution is an al... | 06/09/2009 |
| 7510806 | Lithium secondary battery including a lithium bis(trifluoromethylsulfonyl)imide electrolyte and a glass fiber separator A lithium secondary battery including a positive electrode, a negative electrode, a separator, and a nonaqueous electrolyte including a solute and a solvent, wherein the separator is made of glass fibers and the negative electrode includes a lithium-aluminum-mangane... | 03/31/2009 |
| 7419720 | Conductive plastic molding material, the use thereof and moulded bodies produced therefrom The present invention relates to a plastics molding composition based on polyarylene sulfide and/or on liquid-crystalline plastic, where the molding composition comprises carbon black and graphite and/or metal powder, the carbon black has a specific surface area of ... | 09/02/2008 |
| 7402360 | Non-aqueous electrolyte battery The invention provides a non-aqueous electrolyte battery characterized in that: an active material of the positive electrode includes lithium manganese oxide; the shut-down temperature of the separator is 162° C. or lower; and the area contraction ratio of the sepa... | 07/22/2008 |
| 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 |
| 7377948 | Layered electrochemical cell and manufacturing method therefor Methods of the present invention are provided for forming a plurality of electrochemical cell layers, each cell layer generally including a pair of electrodes and a separator electrically insulating the pair of electrodes. Cells of a desired size are formed by slici... | 05/27/2008 |
| 7354533 | Electrically conductive thermoset composition, method for the preparation thereof, and articles derived therefrom A conductive thermosetting composition comprises a functionalized poly(arylene ether), an alkenyl aromatic monomer, an acryloyl monomer, and a conductive agent. After curing, the composition exhibits good stiffness, toughness, heat resistance, and conductivity, and ... | 04/08/2008 |
| 7353083 | Vanadium redox battery energy storage and power generation system incorporating and optimizing diesel engine generators A power generation system includes a vanadium redox battery that interfaces with a control system to optimize performance and efficiency. The power generation system may include one or more wind turbine generators and one or more diesel fuel generators. The control ... | 04/01/2008 |
| 7344804 | Lithium/air batteries with LiPON as separator and protective barrier and method A method and apparatus for making lithium/air batteries with LiPON as separator and protective barrier, and the resulting cell(s) and/or battery(s). Some embodiments include an apparatus that includes a lithium anode; a polymer-air cathode; and a LiPON separator bet... | 03/18/2008 |
| 7337010 | Medical device having lithium-ion battery An exemplary embodiment relates to a medical device that includes a rechargeable lithium-ion battery for providing power to the medical device. The lithium-ion battery includes a positive electrode comprising a current collector, a first active material, and a secon... | 02/26/2008 |
| 7335441 | Thin layer electrochemical cell with self-formed separator A method of forming an electrochemical cell is disclosed. The method comprises contacting a negative pole layer and a positive pole layer one with the other or with an optional layer interposed therebetween. The pole layers and the optional layer therebetween are se... | 02/26/2008 |
| 7323273 | Shutdown separators with improved properties A microporous polyolefin battery separator membrane is extremely high in porosity, high in puncture strength, very low in shrinkage and with shutdown temperature of 130-140 degrees C. and melt integrity greater than 165 degrees C. It is made of UHMWPE having a weigh... | 01/29/2008 |
| 7323274 | Shutdown separators with improved properties A microporous polyolefin battery separator membrane is extremely high in porosity, high in puncture strength, very low in shrinkage and with shutdown temperature of 130-140 degrees C. and melt integrity greater than 165 degrees C. It is made of UHMWPE having a weigh... | 01/29/2008 |
| 7314683 | Carbon compound-adsorbed cathode active material and lithium battery using the same A cathode active material is prepared by mixing a transition metal compound and a lithium compound in a molar ratio of 1:1.0-1:1.2 and thermally treating the mixture while supplying CO2 and O2 in a ratio of partial pressures ranging from 1:0.00... | 01/01/2008 |
| 7311832 | Adsorption membranes, method of producing same and equipment, including the adsorption membranes The present invention relates to adsorption membranes comprising microporous polymer membranes in which adsorbent particles are incorporated. Furthermore, the present invention relates to a method of producing the inventive adsorption membranes as well as devices wh... | 12/25/2007 |
| 7297227 | Method of making sheet electrode for electric double layer capacitor and roller rolling machine suitable for use therein A sheet electrode with a predetermined thickness for an electric double layer capacitor is made by carrying out a roller rolling step in which a long sheet intermediate is made from a material containing a carbonaceous powder, a conductive assistant and a binder and... | 11/20/2007 |
| 7288317 | Composite fibre reforming method and uses The invention concerns a method for reforming composite fibres comprising colloidal particles and at least a binding and/or crosslinking polymer, characterised in that it comprises: means for deforming, by cold process at room temperature or at a temperature slightl... | 10/30/2007 |
| 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 |
| 7288343 | Structure and methods of fabricating binding layers for a Li-ion polymer battery A Li-ion polymer battery and methods for its fabrication. A first and second layer, of a polymer/particulate material composition, separate and bind each anode and cathode. The polymer of the first layer and its associated solvent differ from the polymer of the seco... | 10/30/2007 |
| 7288339 | Lithium secondary battery with suppressed decomposition of electrolytic solution and preparation method thereof Provided are a lithium secondary battery with suppressed decomposition of an electrolytic solution, and a preparation method thereof. The lithium secondary battery includes a current collector, a cathode and an anode having each active material layer formed on the c... | 10/30/2007 |
| 7282303 | Non-aqueous secondary battery and portable equipment using the same A non-aqueous secondary battery is provided, which has excellent overcharging safety, less generation of gas during storage at a high temperature, and can ensure storage reliability. A non-aqueous secondary battery includes a positive electrode, a negative el... | 10/16/2007 |
| 7282299 | Solid electrolyte battery A solid electrolyte battery includes a cathode having a cathode active material and a solid electrolyte and an anode. The solid electrolyte includes a first polymer having a binding force and a second polymer composed of alkali metal ion conducting polymers. Thus, t... | 10/16/2007 |
| 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 |
| 7265456 | Power generation system incorporating a vanadium redox battery and a direct current wind turbine generator A power generation system includes a wind turbine generator and a vanadium redox battery to compensate for fluctuations in wind power. The wind turbine generator provides DC power that may be used to charge the vanadium redox battery. Generated DC power may also be ... | 09/04/2007 |
| 7238744 | Ultrahigh molecular weight polyethylene articles and method of manufacture An article of manufacture comprises an ultrahigh molecular weight polyethylene (UHMWPE) mixed with a processing oil and a lubricant selected from the group consisting of fatty acid esters, ethoxylated fatty acid esters, glycol esters, PEG esters, glycerol esters, et... | 07/03/2007 |
| 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 |
| 7227275 | Method for retrofitting wind turbine farms A power generation system with a predetermined rating limit includes one or more wind turbine generators and a vanadium redox battery. The vanadium redox battery absorbs excess energy to ensure that the rating limit is not exceeded, provide system stability, and imp... | 06/05/2007 |
