Did You Know...
...that while attempting to develop a super strong glue, 3M employee Spencer Silver accidentally developed a glue that was so weak it would barely hold two pieces of paper together? However, his colleague Art Fry needed the glue. Fry sang with his church choir and marked the pages of his hymnal with small scraps of paper that often fell out. He used Silver's glue to hold the papers in place. Today we call this invention Post-it Notes.
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| Number | Title | Issue Date |
| 7935155 | Method of manufacturing an electrode or capacitor product A method of manufacturing an electrode product where a compressible and deformable layer is densified and laminated to a layer of a material that is relatively resistant to stretching. The densification and bonding take place in a single step. A method as used in fa... | 05/03/2011 |
| 7883553 | Method of manufacturing an electrode product A deformable and compressible active electrode dry film is manufactured from dry mixed dry active electrode material and dry binder powder. The electrode film and a current collector with a first surface may be stacked such that the first surface of the current coll... | 02/08/2011 |
| 7828860 | Method of laminating fuel cell-use separator and film/electrode junction element and device therefor The present method corrects a warp in a separator (78) applied with a sealant (97) during production of fuel cells. The correction is performed at a correcting device (47). With the warp being corrected at the correcting device, a membrane/elect... | 11/09/2010 |
| 7722686 | Composite electrode and method for fabricating same Composite electrodes are constructed with pressure-bonding techniques instead of an adhesive. A current collector is made from aluminum foil roughed on both surfaces. The surfaces of the collector can be treated to enhance adhesion to the surfaces. Layers of film th... | 05/25/2010 |
| 7722685 | Process and device for producing a fuel cell stack while applying a controlled force to the assembled stack A method for the production of a fuel cell stack, involving the following steps: a) piling up the fuel cell stack (1) and (b) putting together the fuel cell stack (1) while heating and compressing the piled fuel cell stack (1). At least one regu... | 05/25/2010 |
| 7572302 | Sheet-like chemical cell, fuel cell and methods for manufacturing thereof Disclosed is a sheet-like chemical cell including a plurality of unit cells each of which comprises an electrolyte membrane, a plurality of anode plates on one surface of the electrolyte membrane, and a plurality of cathode plates on the other surface of the electro... | 08/11/2009 |
| 7540886 | Method of manufacturing lithium battery A thin-film battery (10) is disclosed which includes a cathode current collector (11), a cathode (12), an electrolyte (13), an anode (14), and an anode current collector (15). The cathode is produced by grinding lithium coba... | 06/02/2009 |
| 7481852 | Consecutively wound or stacked battery cells The specification discloses a consecutively wound or stacked battery system and a method for making these devices. In one aspect, battery cells are wound consecutively, separated by insulating layers, to form an integral battery system capable of producing multiple ... | 01/27/2009 |
| 7449033 | Extruded battery components and manufacturing process The invention provides an apparatus and method for producing multilayer laminates of polymeric electrolyte material incorporating one of more electrode layers. The apparatus (40) comprises an extrusion apparatus (42) for extruding a polymeric material ... | 11/11/2008 |
| 7425223 | Method for preparing electrochemical device with a layer structure To provide an electrochemical device with a layer structure causing no deterioration of characteristics of materials, in the method for preparing an electrochemical device comprising a first current collector, a first electrode active material layer, a solid electro... | 09/16/2008 |
| 7399321 | Soldering method of nonaqueous-electrolyte secondary-battery In a method of reflow soldering, a non-aqueous electrolyte secondary battery is discharged to a first discharge voltage different from a second discharge voltage at an inflection point in a discharge curve of the non-aqueous electrolyte secondary battery having an a... | 07/15/2008 |
| 7396610 | Substrate The present invention relates to a membrane electrode assembly wherein each gas diffusion substrate comprises a porous electrically conductive gasket member is located on the first and second planar faces of a peripheral portion of the sheet material. The electrocat... | 07/08/2008 |
| 7384433 | Densification of compressible layers during electrode lamination A compressible and deformable layer is densified and laminated to a layer of a material that is relatively resistant to stretching. The densification and bonding take place in a single step. As used in fabrication of electrodes, for example, electrodes for double la... | 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 |
| 7320846 | Bipolar battery and method for manufacturing the same A bipolar battery includes a bipolar electrode and an electrolyte layer. The bipolar electrode includes a current collector, a positive electrode layer formed on one surface of the current collector, and a negative electrode layer formed on the other surface of the ... | 01/22/2008 |
| 7316866 | Ionic liquid-modified cathode and electrochemical device using the same The present invention provides a cathode produced from a cathode slurry comprising: (a) a cathode active material based on a lithium-containing metal composite oxide or a chalcogenide compound; and (b) an ionic liquid, as well as an electrochemical device including ... | 01/08/2008 |
| 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 |
| 7235112 | Micro-battery fabrication process including formation of an electrode on a metal strip, cold compression and removal of the metal strip The electrodes are formed by surface coating and cold compression on metal strips. They are then assembled, by hot pressing, with an electrolytic membrane. The metal strips are then removed, preferably by mechanical detachment. Current collectors are then formed on ... | 06/26/2007 |
| 7235328 | Electrochemical generator element and corresponding battery The invention concerns an electrochemical generator element (102) comprising successively a first electrode layer having a polarity (114), a first electrolyte layer (110), a second electrode layer with reverse polarity (108), a second ele... | 06/26/2007 |
| 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 |
| 7163565 | Electrode plate for secondary battery, method of manufacturing the same, and secondary battery using the same An electrode plate for a secondary battery is provided for reducing adverse influences caused by paste of an insulating sheet in an electrode body and a battery specification. Active material layers 22a to 22d and 22a′ to 22 | 01/16/2007 |
| 7160415 | Gel electrolyte battery A gel electrolyte battery in which adhesion between a layer of an active material of an electrode and a gel electrolyte is raised to provide for sufficient mobility of lithium ions, and a method for the preparation of the gel electrolyte battery. The gel electrolyte... | 01/09/2007 |
| 7147675 | Method and device for filling volatile liquids into the housing of electric components and for sealing the housing The invention describes a method and a device for introducing volatile liquids into housings of electrical components, in particular of passive electrical components or of electrochemical cells, and for closing the housings. The method can be carried out using an ev... | 12/12/2006 |
| 7141082 | Gas generating cell or battery and method of producing same The present disclosure relates to a gas generating cell including a housing having a cover, an anode cup and a sealing ring. The housing accommodates at least one anode, a cathode and a separator. The cover accommodates at least the cathode and the separator and, wi... | 11/28/2006 |
| 7131190 | Membrane electrode assembly and method of manufacturing a membrane electrode assembly A method for fabricating membrane electrode assembly includes providing an anode side diffusion layer structure and a cathode side diffusion layer structure with a layer of membrane electrolyte therebetween. The diffusion layer structures include diffusion segments,... | 11/07/2006 |
| 7132194 | Non-aqueous electrolytic battery and its manufacturing method A nonaqueous electrolyte battery with a higher energy density in which a useless part which has no contribution to the electromotive is reduced, and a method for manufacturing the same are provided. A positive electrode laminate (5) (a positive electrode) hav... | 11/07/2006 |
| 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 |
| 7125953 | Ion-conducting polymeric materials A method of preparing an ion-conducting polymeric material, for example, for a fuel cell, in a desired form (hereinafter “said formed polymeric material”), comprises: (i) selecting a first ion-conducting polymeric material; (ii) selecting a solvent formulation w... | 10/24/2006 |
| 7105253 | Method of and apparatus for manufacturing lithium secondary cell A method of manufacturing a lithium secondary cell capable of preventing an active material layer from oxidation and moisture absorption is obtained. This method of manufacturing a lithium secondary cell comprises steps of forming an active material layer on a colle... | 09/12/2006 |
| 7077876 | Method of installing an edgepiece on a battery plate A method for placing an edge piece on a battery plate includes bending a thin strip of bendable plastic material into an open top, U-shaped channel. The channel is then cut into an edge piece having a length which is substantially equal to the edge of the battery pl... | 07/18/2006 |
| 7070632 | Electrochemical device separator structures with barrier layer on non-swelling membrane Disclosed are electrochemical device separator structures which include a substantially impervious active metal ion conducting barrier layer material, such as an ion conducting glass, is formed on an active metal ion conducting membrane in which elongation due to sw... | 07/04/2006 |
| 7055570 | Automated manufacturing system of lithium secondary battery An automated manufacturing system of a secondary lithium battery is disclosed. The automated manufacturing system comprises: a frame; a supply unit having a separator roller installed at the frame to be rotatable so that a separator can be released from the separato... | 06/06/2006 |
| 7048822 | Packaging material for polymer cell and method for producing the same A polymer battery module packaging sheet includes, as essential components, a base layer (61), an aluminum layer (62), chemical conversion coatings (64a, 64b) coating the opposite surfaces of the aluminum layer (62), ... | 05/23/2006 |
| 7014948 | Electrochemical device using multicomponent composite membrane film The present invention provides a electrochemical element, wherein a multi-component composite film comprising a) polymer support layer film and b) a porous gellable polymer layer which is formed on either or both sides of the support layer film of a), wherein the su... | 03/21/2006 |
| 7011905 | Solid polymer electrolyte membrane, solid polymer electrolyte fuel cell using the membrane and method of fabricating the same A solid polymer electrolyte membrane and a catalytic layer are properly assembled even when the solid polymer electrolyte membrane and an ion exchange resin in the catalytic layer are formed of different materials. In a fuel cell, a solid polymer electrolyte membran... | 03/14/2006 |
| 7004984 | Method of producing ceramic multilayer substrate After a resistor and/or a capacitor are simultaneously fired on a fired ceramic core substrate to be fired, the fired resistor and/or the fired capacitor is trimmed so that the resistance and the capacitance are adjusted. Thereafter, an after-lamination green sheet ... | 02/28/2006 |
| 6997228 | Lamination apparatus for automated manufacturing system of lithium secondary battery A lamination apparatus for an automated manufacturing system of a secondary lithium battery is disclosed. The lamination apparatus comprises: a frame; a stacking member provided with a plurality of positive-electrode-plate storing portions each of which a multitude ... | 02/14/2006 |
| 6986967 | Multilayer structure including an active electrochemical material and ionic polymer in a electrochemical cell Multilayer articles, particularly multilayer articles having electrical or ionic conductivity, are made using an improved melt extrusion process. The process includes a combination step in which a macroscopically homogeneous mass is formed prior to introduction into... | 01/17/2006 |
| 6984251 | Alkaline storage battery and process for producing the same An alkaline storage battery comprising an electrode assembly housed in a vessel, said electrode assembly comprising a positive electrode plate obtained by filling an active material comprising nickel hydroxide as the principal component into a metallic porous body s... | 01/10/2006 |
| 6908704 | Method of manufacturing secondary battery A method of manufacturing a secondary battery includes preparing a winding-type electrode assembly by interposing a separator between a positive electrode plate and a negative electrode plate and winding the same, initially charging the electrode assembly to remove ... | 06/21/2005 |
