Quotables
"Fooling around with alternating current is just a waste of time. Nobody will use it, ever."
Thomas Edison ; 1889
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 8101301 | Lithium ion secondary battery A lithium ion secondary battery is provided. The lithium ion secondary battery generally comprises an electrode assembly, a container for accommodating the electrode assembly; and an electrolyte. The electrode assembly comprises two electrodes having opposite polari... | 01/24/2012 |
| 7964311 | Lithium ion secondary battery A lithium ion secondary battery is provided. The lithium ion secondary battery generally comprises an electrode assembly, a container for accommodating the electrode assembly; and an electrolyte. The electrode assembly comprises two electrodes having opposite polari... | 06/21/2011 |
| 7575832 | Ion conducting battery separator for lithium batteries, method for the production and use thereof Separators for lithium batteries based on a sheetlike flexible substrate provided with a plurality of openings and having a porous inorganic electrically insulating coating on and in the substrate, the coating closing the openings in the substrate, the material of t... | 08/18/2009 |
| 7419746 | Solid electrolyte and all solid state battery using the same A solid electrolyte of the present invention is represented by a general formula: LixMOyNz, where M is at least one element selected from the group consisting of Si, B, Ge, Al, C, Ga and S, and x, y and z respectively satisfy x=0.6 t... | 09/02/2008 |
| 7399556 | Lithium cationic single-ion conducting filler-containing composite polymer electrolyte for lithium secondary battery and method of manufacturing the same Provided are a composite polymer electrolyte for a lithium secondary battery in which a composite polymer matrix multi-layer structure composed of a plurality of polymer matrices with different pore sizes is impregnated with an electrolyte solution, and a method of ... | 07/15/2008 |
| 7374843 | Polyolefin microporous membrane and method of evaluating the same The invention relates to a microporous membrane, which is provided with high safety even under a condition that the interior temperature of a battery becomes high, and which has high permeability and high mechanical strength at the same time. The polyolefin m... | 05/20/2008 |
| 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 |
| 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 |
| 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 |
| 7279080 | Gas sensors This invention provides an assembly comprising a sensing electrode and a counter electrode in contact with a membrane body formed from a solid polymer electrolyte system comprising a fluorinated polymer matrix and a charge carrying component which is dispersed in th... | 10/09/2007 |
| 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 |
| 7223342 | Adsorption membranes, method of producing same and equipment, including the adsorption membranes The present invention relates to adsorption membranes, comprising microporous polymer membranes into which are incorporated porous silicon dioxide particles modified with hydrocarbon ligands having 2 to 24 carbon atoms as adsorbent particles. Furthermore, the presen... | 05/29/2007 |
| 7204862 | Packaged thin film batteries and methods of packaging thin film batteries A packaged battery (10) and method of producing such is provided having a thin film lithium battery cell (11) sealably encased within a packaging layer (12). The battery cell (11) includes a substrate (13), an anode (16), an... | 04/17/2007 |
| 7129004 | Separator for zinc/bromine secondary batteries and production process thereof A separator for use in zinc/bromine secondary batteries comprising a polyethylene having an overall viscosity average molecular weight of not less than 350,000 and not more than 2,000,000 containing not less than 10 wt. % and not more than 80 wt. % of a polyethylene... | 10/31/2006 |
| 7097939 | Gel-forming battery separator Gel-forming battery separators and methods for constructing them. Particles are embedded into pores of a porous support to form a composite. The chemical make-up of surfaces of the particles includes a silanol group. The composite, when contacted with an effective a... | 08/29/2006 |
| 7081321 | Separator for metal halogen cell A separator for metal/halogen batteries is provided which is excellent in thermal resistance, resistance to stress-cracking and electric properties. A separator for metal/halogen batteries comprising a polyolefin having a viscosity average molecular weight of not le... | 07/25/2006 |
| 6998193 | Microporous membrane and its uses thereof A novel microporous membrane comprising a hot-melt adhesive and an engineering plastics, the methods of preparing such microporous membrane and the uses of the microporous membrane in, e.g., batteries, super capacitors, fuel cells, sensors, electrochromic devices or... | 02/14/2006 |
| 6949285 | Membrane suitable for electrochemical cells A membrane comprising a composition including (a) 1 to 99 wt-% of at least one polyurethane elastomer comprising at least one hard segment and at least one soft segment, and (b) 99 to 1 wt-% of a solid, wherein said solid is incor... | 09/27/2005 |
| 6939645 | Separator for valve regulated lead acid battery and valve regulated lead acid battery A separator for a valve regulated lead acid battery is composed mainly of fine glass fibers and also contains inorganic powder, beaten natural pulp, and heat-weldable organic fibers. The heat-weldable organic fibers have a fineness of 1.5 d (deniers) or less and a f... | 09/06/2005 |
| 6929858 | Glass fibers Glass fibers are disclosed. The glass fibers can be used, for example, in a lead acid battery. ... | 08/16/2005 |
| 6815123 | Lithium-ion battery using heat-activatable microporous membrane The present application discloses a lithium-ion battery using heat-activatable microporous membrane which comprises a hot-melt adhesive, an engineering plastics, a tackifier and a filler. It also discloses methods of preparing such microporous membrane and the lithi... | 11/09/2004 |
| 6777135 | Nonaqueous electrolyte secondary cell The non-aqueous electrolyte secondary battery of the present invention comprises, e.g., a positive electrode 6, a negative electrode 5, a polymer membrane 1 containing carbon powder or the like, and a separating membrane layer 7 for preve... | 08/17/2004 |
| 6773847 | Battery A battery comprising a positive electrode (10), a negative electrode (20) and a separator (31) provided interposed between the positive electrode (10) and the negative electrode (20), characterized in that at least one surface of s... | 08/10/2004 |
| 6743876 | Copolymers of vinylidene fluoride and hexafluoropropylene having reduced extractable content and improved solution clarity New and novel copolymers of vinylidene fluoride and hexafluoropropylene containing up to 24% by weight hexafluoropropylene having lower DSC melting temperatures at 8 weight percent or greater nominal HFP content, and having improved solution clarity and fluidity, lo... | 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 |
| 6630265 | Composite electrolyte for fuel cells An inexpensive composite electrolyte for use in electrochemical fuel cells includes (i) an inorganic cation exchange material, (i) a silica-based binder; and (ii) a polymer-based binder. The cation exchange material includes aluminosilicate clays. The com... | 10/07/2003 |
| 6627346 | Battery separator and lithium secondary battery A battery separator favorably employable for lithium secondary battery comprises at least one porous film in which 100 to 40,000 ppm of particles of silicon dioxide, aluminum oxide, magnesium oxide, zinc oxide or metal oxides containing at least two metal... | 09/30/2003 |
| 6537703 | Polymeric mesoporous separator elements for laminated lithium-ion rechargeable batteries A mesoporous polymeric membrane for use as an ionically-conductive inter-electrode separator in a rechargeable battery cell contains a like distribution of mesopore voids throughout a membrane matrix. The porous membrane is capable of absorbing significan... | 03/25/2003 |
| 6527955 | Heat-activatable microporous membrane and its uses in batteries A novel microporous membrane comprising a hot-melt adhesive and an engineering plastics, the methods of preparing such microporous membrane and the uses of the microporous membrane in, e.g., batteries, super capacitors, fuel cells, sensors, electrochromic... | 03/04/2003 |
| 6528205 | Non-woven fabric separator for sealed electrolytic cells A separator for sealed cells is provided which attains a high degree of intimate contact with electrode plates, enables the cell to have reduced internal resistance, is less apt to suffer a fatigue phenomenon even upon repetitions of charge/discharge, and... | 03/04/2003 |
| 6509118 | Valve-regulated lead-acid cells and batteries and separators used in such cells and batteries A valve-regulated lead-acid cell utilizes an absorptive glass mat separator having a glass fiber surface which is modified by treatment with at least one particular polymer, as by treatment with a polymer emulsion to coat at least part of the glass fiber ... | 01/21/2003 |
| 6495288 | Lead-acid battery having tin in positive active material and silica in separator In a lead-acid battery, a positive active material includes tin in an amount of from not less than 0.2% to not more than 5% based on the weight thereof. The density of the positive active material after formation is from not less than 3.75 g/cc to not mor... | 12/17/2002 |
| 6495286 | Glass fiber separators for lead-acid batteries A glass fiber separator material is disclosed. The separator is composed of a mass of intermeshed glass fibers substantially all of which have a fiber diameter not greater than about 20 μm, and at least 5 percent w/w of which have a fiber diameter less t... | 12/17/2002 |
| 6492059 | Separator for sealed lead-acid battery A sealed lead-acid battery includes a separator made from hydrophilic treated sheet made from synthetic fiber which wraps at least either one of a positive electrode and a negative electrode. A mat type separator made from fine glass fiber is disposed bet... | 12/10/2002 |
| 6458491 | Separator for energy storage cells The invention provides a separator for an energy cell which includes a compressible web made from a blend of elastomeric material and cross-linking agent, the elastomeric material being selected from natural rubber and a mixture of natural rubber and synt... | 10/01/2002 |
| 6447958 | Non-aqueous electrolyte battery separator A non-aqueous electrolyte battery separator comprising a heat-resistant nitrogen-containing aromatic polymer and a ceramic powder.... | 09/10/2002 |
| 6432586 | Separator for a high energy rechargeable lithium battery The instant invention is directed to a separator for a high energy rechargeable lithium battery and the corresponding battery. The separator includes a ceramic composite layer and a polymeric microporous layer. The ceramic layers includes a mixture of ino... | 08/13/2002 |
| 6432577 | Apparatus and method for fabricating a microbattery An apparatus and method for fabricating a microbattery that uses silicon as the structural component, packaging component, and semiconductor to reduce the weight, size, and cost of thin film battery technology is described. When combined with advanced sem... | 08/13/2002 |
| 6403264 | Lead/sulphuric acid-accumulator, separator for lead/sulphuric acid accumulators and process to reduce the formation of colored deposits in a lead/sulphuric acid accumulators An invention is described through which it is possible to reduce in quantity the coloured, mostly dark, and frequently adhesive deposits which form in lead accumulators with separators of filled poly-olefins during formation and operation. The essential f... | 06/11/2002 |
| 6350541 | Battery element containing efficiency improving additives A battery element of a lead acid battery including a negative plate, a positive and a separator having a metal inhibiting additive that reduces the detrimental effects of at least one impurity on the negative plate.... | 02/26/2002 |
