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...Daniel Webster invented a "bull plow" to pull out tree stumps. It didn't catch on because it was huge and required four oxen to pull it!
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| Number | Title | Issue Date |
| 8158301 | Polyelectrolyte membranes and methods for making A polymer electrolyte membrane includes a porous base membrane and electrolytes dispersed within the pores of the base membrane. The electrolytes include metal oxide compounds having acid functionality. A process for making the membrane is also provided. The membran... | 04/17/2012 |
| 8021790 | Battery structure and lithium secondary battery using the same A battery structure includes a positive electrode layer, a solid electrolyte layer, and a negative electrode layer disposed in that order, wherein the solid electrolyte layer has a chemical composition, excluding incidental impurities, represented by the formula aLi... | 09/20/2011 |
| 8012631 | Lithium ion conductive sulfide-based solid electrolyte and all-solid lithium battery using same A solid electrolyte including a lithium (Li) element, a phosphorus (P) element and a sulfur (S) element, the 31P MAS NMR spectrum thereof having a peak ascribed to a crystal at 90.9±0.4 ppm and 86.5±0.4 ppm; and the ratio (xc) of the crystal ... | 09/06/2011 |
| 7931995 | Solid electrolyte composite for electrochemical reaction apparatus A solid polymer electrolyte composite for an electrochemical reaction apparatus that possesses satisfactory ion conduction properties and has excellent mechanical strength and heat resistance, is provided. the solid polymer electrolyte composite is characterized in ... | 04/26/2011 |
| 7914932 | All-solid-state battery An all-solid-state battery having a high output power and a long life, exhibiting high safety, and being produced at a low cost is provided. The all-solid-state battery has a cathode comprising a cathode material, an anode comprising an anode material, and a solid e... | 03/29/2011 |
| 7862953 | Compound, solid polymer electrolyte membrane, electrolyte membrane-electrode assembly, and solid polymer fuel cell An unsaturated compound including a urethane bond in a main chain and a sulfonic acid group, a phosphoric acid group, an alkylsulfonic acid group, or an alkylphosphoric acid group on a benzene ring in a side chain is provided. In addition, a solid polymer electrolyt... | 01/04/2011 |
| 7855017 | Structural batteries and components thereof A structural battery includes an anode, cathode and electrolyte which, taken collectively, have sufficient mechanical strength to allow the battery to be used as a structural component of an article of manufacture. The combined anode, cathode and electrolyte have a ... | 12/21/2010 |
| 7803486 | Power storage device The invention provides a power storage device capable of preventing reduced energy efficiency of the power storage device and of avoiding variations in temperature distribution. The power storage device includes a positive electrode and a negative electrode, and a s... | 09/28/2010 |
| 7745052 | Paste electrolyte and rechargeable lithium battery containing the same The present invention provides a paste electrolyte comprising an organic solvent of not high dielectric constant, soluble lithium salts, and clays, with the clays being swollen by the solvent, and rechargeable lithium batteries containing the paste electrolyte. The ... | 06/29/2010 |
| 7674559 | Lithium secondary battery including a separator A lithium secondary battery includes an electrode assembly having two electrodes and a separator interposed between the two electrodes, and a case for storing the electrode assembly, wherein the separator is formed by using a binder and a filler including a solid el... | 03/09/2010 |
| 7517616 | Inorganic solid electrolyte and lithium cell component A sulfide-based inorganic solid electrolyte that suppresses the reaction between silicon sulfide and metallic lithium even when the electrolyte is in contact with metallic lithium, a method of forming the electrolyte, and a lithium battery's member and lithium secon... | 04/14/2009 |
| 7438837 | Method of producing solid electrolyte and solid electrolyte A method of producing a solid electrolyte (3, 13) is disclosed wherein solid electrolyte material is prepared having a composition expressed by a formula: (1-x) ZrO2 {xSc2O3 (where x is a number equal to or greater than 0.05 and equa... | 10/21/2008 |
| 7422826 | In situ thermal polymerization method for making gel polymer lithium ion rechargeable electrochemical cells A single step, in situ curing method for making gel polymer lithium ion rechargeable cells and batteries is described. This method used a precursor solution consisting of monomers with multiple functionalities such as multiple acryloyl functionalities, a free-radica... | 09/09/2008 |
| 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 |
| 7410729 | Nonaqueous electrolyte cell with improved high temperature characteristics A non-aqueous electrolyte cell that excels in the high-temperature cycle characteristics and that is without the possibility of solution leakage. The non-aqueous electrolyte cell includes a polymer electrolyte. This polymer electrolyte is a polymerization of a prepo... | 08/12/2008 |
| 7402356 | Solid oxide electrolyte material and method of producing solid oxide electrolyte A solid oxide electrolyte material comprising an electrolyte material 50 using oxygen ions as carriers as a base material and a lithium-containing compound 60 added to the base material as a sintering additive is sintered at a sintering temperature of ... | 07/22/2008 |
| 7396615 | Method for production of polyelectrolyte membranes and fuel cell A method for producing a polyelectrolyte membrane, including the step of immersing a basic polymer such as a polybenzimidazole in a strong acid having a concentration sufficient to impregnate the basic polymer with six or more strong acid molecules per polymer repea... | 07/08/2008 |
| 7389580 | Method and apparatus for thin-film battery having ultra-thin electrolyte A method and system for fabricating solid-state energy-storage devices including fabrication films for devices without an anneal step. A film of an energy-storage device is fabricated by depositing a first material layer to a location on a substrate. Energy is suppl... | 06/24/2008 |
| 7384707 | Non-aqueous electrolyte secondary battery having electrode active material membrane layer A non-aqueous electrolyte secondary battery has an electrode and an electrolyte layer. The electrode includes a collector having a lot of fine pores on its surface, and a membrane layer made of an electrode active material provided along the surface shape of the fin... | 06/10/2008 |
| 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 |
| 7371335 | Curable thick film compositions for use in moisture control The invention is directed to a thick film getter composition comprising: (a) desiccant material; dispersed in (b) organic medium comprising (1) curable organic polymeric binder; (2) monomer; and (3) photoinitiator. ... | 05/13/2008 |
| 7368068 | Sulfonic group-containing polyarylene block copolymer, process for production thereof, solid polymer electrolyte and proton conductive membrane The present invention provides a sulfonic group-containing polyarylene block copolymer superior to the perfluoroalkylsulfonic acid polymers in cost, conductive properties and proccessability, a process for producing the copolymer, a solid polymer electrolyte and a p... | 05/06/2008 |
| 7368095 | Composite oxide for solid oxide fuel cell and method for preparation thereof The present invention provides a composite oxide for a high performance solid oxide fuel cell which can be fired at a relatively low temperature, and which has little heterogeneous phases of impurities other than the desired composition. The composite oxide is the o... | 05/06/2008 |
| 7361430 | Carbon nanotube-polymer composite actuators The present invention discloses a carbon nanotube (SWNT)-polymer composite actuator and method to make such actuator. A series of uniform composites was prepared by dispersing purified single wall nanotubes with varying weight percents into a polymer matrix, followe... | 04/22/2008 |
| 7354531 | Polymer electrolyte composition A composition for use as a polymer electrolyte, wherein said composition includes one or more polar materials and one or more polyesters of formula III, wherein each unit A may be identical or different and is of the struct... | 04/08/2008 |
| 7344801 | High-voltage dual electrolyte electrochemical power sources An electrochemical device such as a battery and a fuel cell having two electrolytes between the anode and the cathode. The electrochemical device is preferably arranged with an alkaline electrolyte in contact with the anode and an acidic electrolyte in contact with ... | 03/18/2008 |
| 7307772 | Hybrid process for depositing electrochromic coating A method of producing an electrochromic device, includes the steps of: providing a first electron conducting layer on a substrate, providing a working electrode in communication with the first electron conducting layer, providing an ion conducting layer in communica... | 12/11/2007 |
| 7306867 | Proton conductive solid polymer electrolyte A material such as imidazole (nitrogen-containing heterocyclic compound), which has at least one lone pair, is dispersed in a basic solid polymer such as polybenzimidazole. The mole number of imidazole per gram of polybenzimidazole is less than 0.0014 mol, preferabl... | 12/11/2007 |
| 7303839 | Negative electrode for lithium sulfur battery, method of preparing same and lithium sulfur battery comprising same Disclosed is a negative electrode for a lithium sulfur battery. The negative electrode includes a lithium metal, a pre-treatment layer, and a protection layer for the lithium metal. The pre-treatment layer has a thickness of 50 to 5000 Å and includes a lithium ion... | 12/04/2007 |
| 7300166 | Electrochromic mirrors and other electrooptic devices This invention focuses on electrooptic devices and in particular on electrochromic devices with many aspects directed towards automotive EC mirrors. There are several ways to improve these products and their processing using this invention and some of the prominent ... | 11/27/2007 |
| 7294209 | Apparatus and method for depositing material onto a substrate using a roll-to-roll mask A battery-operated device provided on a thin-film battery and a method for making. Some embodiments provide a system that includes a vacuum chamber, a plurality of pairs of source and take-up reels within the vacuum chamber, including a first source reel that suppli... | 11/13/2007 |
| 7291663 | Conductive elastomer composition, conductive roller, and conductive belt A conductive roller or a conductive belt is composed of a conductive elastomer composition including a polymer composition having a plurality of carbon-to-carbon double bonds and containing not less than 40 mol % of ethylene oxide; an organometallic salt containing ... | 11/06/2007 |
| 7291574 | Zirconia sintered body and a method for producing the same A zirconia sintered body having high strength and high toughness is provided, and a method for producing the same is also provided. The zirconia sintered body comprising tetragonal zirconia, wherein a full width at half maximum at (111) plane of the tetragonal zirco... | 11/06/2007 |
| 7288781 | Programmable structure, an array including the structure, and methods of forming the same A microelectronic programmable structure suitable for storing information, and array including the structure and methods of forming and programming the structure are disclosed. The programmable structure generally includes an ion conductor and a plurality of electro... | 10/30/2007 |
| 7282291 | Water free proton conducting membranes based on poly-4-vinylpyridinebisulfate for fuel cells Disclosed are methods for forming a water-free electrolyte membrane useful in fuel cells. Also provided is a water-free electrolyte membrane comprising a quaternized amine salt including poly-4-vinylpyridinebisulfate, a poly-4-vinylpyridinebisulfate silica composite... | 10/16/2007 |
| 7273682 | Solid electrolyte, method for preparing the same, and battery using the same A solid electrolyte including a composition represented by Formula 1 below is provided: aLi2O-bB2O3-cM-dX (1) wherein M is at least one selected from the group consisting of TiO2, V2O5, WO... | 09/25/2007 |
| 7270913 | Nonaqueous-electrolyte secondary battery and method of manufacturing the same To offer excellent hermeticity inside a battery having high productivity and being covered with package members by means of solving a problem such as sealing failures caused by gaps between sides of lead electrodes and the package members in sealing parts, in which ... | 09/18/2007 |
| 7264902 | Battery system with excellent controllability for temperature A battery system of the present invention includes one or more cell groups, each having a positive electrode, a negative electrode and a solid electrolyte layer, and one or more heat mediating structures adjacent to the cell groups. The cell groups and the heat medi... | 09/04/2007 |
| 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 |
| 7255961 | Thin film composite electrolyte The invention is a thin film composite solid (and a means for making such) suitable for use as an electrolyte, having a first layer of a dense, non-porous conductive material; a second layer of a porous ionic conductive material; and a third layer of a dense non-por... | 08/14/2007 |
