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7622218 |
Electrode for non-aqueous electrolyte secondary battery and production method thereof
An electrode in sheet form includes a current collector and an electrode mixture layer carried on each side thereof. The electrode is bent in the longitudinal direction thereof, to cause a large...
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7601460 |
Prismatic battery and manufacturing method thereof
A prismatic battery with highly reliable sealing properties and its manufacturing method, wherein a negative collector is welded to one end of an electrode plate group accommodated in a prismatic...
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7550229 |
Secondary battery having lead plate attached thereto
A secondary battery comprises a bare cell including an electrode assembly composed of positive and negative electrodes and a separator, a can acting as a container for containing the electrode...
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7544220 |
Welding methods and apparatus for batteries
Embodiments of the invention provide an electrochemical cell including an electrode assembly having one or more of the electrodes being coupled to a feedthrough assembly. The one or more electrodes...
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7524393 |
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...
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7503942 |
Method of making electrochemical device
In a method of making an electrochemical device including an electrochemical element comprising a pair of opposing electrode layers, a separator layer disposed between the pair of electrode layers,...
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7481853 |
Method for producing non-aqueous electrolyte secondary battery
A non-aqueous electrolyte secondary battery comprising: a positive electrode plate including an outer jacket comprising a sheet-shaped positive electrode current collector and a positive electrode...
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7480994 |
Method of making a fluid ejection head for a fluid ejection device
A fluid ejection head of a fluid ejection device is provided, the fluid ejection head having a substrate, a fluid ejection die coupled with the substrate, an electromagnetic radiation-curable...
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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...
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7445647 |
Method for making a single unit fuel cell
A method for making fuel cells is disclosed and includes placing catalyst strips on an anode side and a cathode side of a proton exchange membrane disposed between carbon bases. The method includes...
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7442465 |
Jelly-roll type electrode assembly, lithium secondary battery having the same, and method for manufacturing the same
A jelly-roll type electrode assembly, a lithium secondary battery having the same, and a method for manufacturing the same are provided. The electrode assembly comprises a deformation prevention...
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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...
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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...
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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...
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7344800 |
Battery design for implantable medical devices
An improved battery design which is particularly suitable for use in an implantable medical device is disclosed. The design utilizes a two-part case for the battery contents which allows freedom...
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7326492 |
Laminate sheet, laminate battery and related method
A laminate battery is provided with a tab, an electric power generating element connected to the tab, and a laminate sheet allowing the electric power generating element to be accommodated. The...
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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...
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7276092 |
Electrochemical element in the form of a button cell, and a method for producing an electrochemical element
An electrochemical element in the form of a button cell having at least one lithium-intercalating electrode, wherein the cell cover or the cell cup has an opening which is closed in a sealed manner...
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7244280 |
Method for producing electrochemical device
A method for producing an electrochemical device which exhibits improved output performance and improved durability in thermal, chemical, and mechanical is provided. The electrochemical device...
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7214250 |
Lithium secondary cell
The invention provides a lithium secondary cell including an inner electrode body impregnated with a non-aqueous electrolyte, made up of a positive electrode and a negative electrode each made of...
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7194801 |
Thin-film battery having ultra-thin electrolyte and associated method
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...
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7186352 |
Microfluidic systems with embedded materials and structures and method thereof
Described herein is a process for fabricating microfluidic systems with embedded components in which micron-scale features are molded into the polymeric material polydimethylsiloxane (PDMS)....
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7175929 |
Fuel cell, method of manufacturing the same, and fuel cell stack including the same
A fuel cell includes: a membrane electrode assembly (MEA) including a polyelectrolyte membrane having first and second sides to which a fuel electrode and an air electrode are joined, respectively;...
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7150768 |
Method of assembling a cell comprising a plurality of anode and cathode plates stacked together
A cell such as a lithium ion cell consists of an anode and a cathode comprising respective lithium ion insertion materials, separated by an electrolyte. A practical cell may be made by stacking a...
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7147677 |
Bipolar plate assembly, fuel cell stacks and fuel cell systems incorporating the same
A layered bipolar plate assembly and fuel cell stacks and fuel cell systems incorporating the same. In some embodiments, the bipolar plate assembly includes a structural metal that provides...
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7141332 |
Lightweight prismatic packaging structure for electrochemical devices and assembly method of the same
The present invention pertains to lightweight, hard and leakproof prismatic packaging structures for electrochemical devices and economical method of assembly and hermetic sealing of said...
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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...
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7128765 |
Method for providing a one-piece header assembly for hermetic battery terminal feedthrough, fill and closure designs
An electrochemical cell having plate electrodes housed inside mating “clam shell” casing components. is described. When mated together, the casing components are form fitting with respect to...
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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...
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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...
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7097672 |
Metal separator for fuel cell and bonding method there of
A metal separator 10 for a fuel cell is configured such that, after forming through-holes 11 b and 12 b on a first separator member 11 and a second separator member 12 , rising wall...
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7056618 |
Method and structure for connecting batteries
A plurality of projections for projection welding are formed respectively on the opposite sides of a connector. The electrode plate of the sealing member of one of two adjacent cells is bonded and...
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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 ( 64 a, 64 b ) coating the opposite surfaces...
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7049028 |
Method of manufacturing a lithium battery, a lithium battery and an electrical appliance
The invention relates to a method of manufacturing a lithium battery, which method includes the following steps: A) forming at least one anode and at least one cathode; B) forming at least one...
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7022146 |
Method for providing a hermetically sealed coin cell
A hermetically sealed coin cell is described. The coin cell has the opposite polarity terminals isolated from one another by a glass-to-metal seal. Glassing a conductive disc inside a ring of...
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7008722 |
Polymer-gel lithium ion battery
An embodiment of the invention is a new method of making a polymer lithium ion battery with low cost, high efficiency and excellent quality. The new polymer lithium ion battery comprises four major...
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6995333 |
Process for fabricating nonaqueous electrolyte secondary cells
A nonaqueous electrolyte secondary cell comprises a rolled-up electrode unit 2 composed of a positive electrode 23 , a negative electrode 21 and a separator 22 interposed therebetween, and a...
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6991662 |
Encapsulated alloy electrodes
Disclosed are methods for forming active metal battery alloy electrodes having protective layers (“encapsulated electrodes”). Charged and uncharged encapsulated alloy electrodes and methods for...
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6949306 |
High temperature stable adhesive
In order to provide a high temperature resistant adhesive based on water glass which is particularly suited for sticking metal substrates and which remains gas-tight and does not lose its...
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6942941 |
Adhesive bonds for metalic bipolar plates
The present invention relates to an electrically conductive element (e.g. bipolar plate) for a fuel cell which has an improved adhesive bond. The conductive element generally comprises a first and...
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6921606 |
Composite films for electrochemical devices
Composite film articles and assemblies that include at least one layer of expanded fluoropolymer bonded to at least one thermoplastic sheet are fabricated using a method which can adjust the gas...
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6890684 |
Method of binding an electrolyte assembly to form a non-aqueous electrolyte secondary battery
There is proposed a non-aqueous electrolyte secondary battery having an electrode assembly which is impregnated with a non-aqueous electrolyte solution, wherein the battery can be made thin while...
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6880238 |
Electrochemical uses of amorphous fluoropolymers
An electrochemical application that utilizes amorphous fluoropolymers providing a membrane electrode assembly that is durable, uniform and possesses a good structural integrity, produced by a...
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6881233 |
Pocketed electrode plate for use in lithium ion secondary battery, its manufacturing method and lithium ion secondary battery using the same
A pocketed electrode plate for use in a ultra-slim lithium ion secondary battery, its manufacturing method and a lithium ion secondary battery using the same. The pocketed electrode plate comprises...
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6881294 |
Method of conductively interconnecting electronic components, battery powerable apparatus, radio frequency communication device, and electric circuit
A curable adhesive composition is provided which comprises an epoxy terminated silane. A thin profile battery and a substrate to which the thin profile battery is to be conductively connected are...
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6840969 |
High polymer electrolyte fuel cell and electrolyte film-gasket assembly for the fuel cell
An electrolyte membrane-gasket assembly for a fuel cell, including a polymer electrolyte membrane and a gasket, made of a seal material, covering the peripheral portion of the electrolyte membrane,...
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6834424 |
Battery assembling method
A battery container with battery plates contained therein is retained by a container positioner. A battery cover is retained by a cover positioner. Molten lead is retained within a lead...
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6833009 |
Method of fabrication of composite electrodes in lithium ion battery and cells
Method of making Li-intercalateable electrodes for a lithium-ion battery by applying a first film onto a first face of an electrically conductive grid, which film comprises a plurality of...
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6828061 |
Electrochemical cell with reinforced separator
An electrochemical cell with a separator having a reinforced edge that provides structural rigidity to the separator after it has been contacted by the cell's electrolyte. The reinforced edge...
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6797017 |
Preparation of &egr -phase silver vanadium oxide from &ggr -phase SVO starting material
The current invention relates to the preparation of an improved cathode active material for non-aqueous lithium electrochemical cell. In particular, the cathode active material comprises ε-phase...
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