Famous Patents
The ice cream cone was invented at the St. Louis Worlds Fair by Ernest Hamwi in 1904. His waffle booth was next to an ice cream vendor who ran short of dishes. Hamwi rolled a waffle to hold ice cream and the cone was born.
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 |
| 7998621 | Collector, battery electrode substrate, and methods for producing the same A battery electrode substrate includes a metallic porous body. The metallic porous body has a structure in which a surface of a plastic fiber in a woven or unwoven fabric is coated with a nickel film. The nickel film coats the surface with an average coverage ratio ... | 08/16/2011 |
| RE42273 | Micro electrochemical energy storage cells Thin-film micro-electrochemical energy storage cells (MEESC) such as microbatteries and double-layer capacitors (DLC) are provided. The MEESC comprises two thin layer electrodes, an intermediate thin layer of a solid electrolyte and optionally, a fourth thin current... | 04/05/2011 |
| RE42073 | Micro electrochemical energy storage cells Thin-film micro-electrochemical energy storage cells (MEESC) such as microbatteries and double-layer capacitors (DLC) are provided. The MEESC comprises two thin layer electrodes, an intermediate thin layer of a solid electrolyte and optionally, a fourth thin current... | 01/25/2011 |
| RE41578 | Micro electrochemical energy storage cells Thin-film micro-electrochemical energy storage cells (MEESC) such as microbatteries and double-layer capacitors (DLC) are provided. The MEESC comprises two thin layer electrodes, an intermediate thin layer of a solid electrolyte and optionally, a fourth thin current... | 08/24/2010 |
| 7598001 | Alkaline battery, current collector, electrode, and method of manufacturing electrode An alkaline battery comprises an electrode. The electrode has a current collector and an active substance filled in the current collector. The current collector includes a nonwoven fabric fabricated from a plurality of fibers and a nickel-plating film formed on the ... | 10/06/2009 |
| 7427455 | Anode for lithium metal polymer secondary battery comprising surface patterned anodic current collector and method of preparing the same There are provided an anode for a lithium metal polymer secondary battery comprising an anodic current collector having a surface on which a plurality of recesses having a predetermined shape are formed and a method of preparing the same. The plurality of recesses a... | 09/23/2008 |
| 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 |
| 7314685 | Oxidized titanium as a cathodic current collector A titanium substrate having a thickened outer oxidation layer provided thereon by a treatment process performed either in an air atmosphere at elevated temperatures or through electrolytic oxidation (anodization), is discribed. The thusly conditioned titanium substr... | 01/01/2008 |
| 7297446 | Negative electrode for rechargeable lithium battery and method for fabrication thereof A negative electrode for a rechargeable lithium battery which is obtained by sintering under a non-oxidizing atmosphere, in the form of a layer on a surface of a metal foil current collector, an anode mix containing a binder and particles of active material containi... | 11/20/2007 |
| 7252907 | Nonaqueous electrolyte secondary battery A nonaqueous electrolyte secondary battery including positive and negative electrodes capable of occluding and releasing lithium and a nonaqueous electrolyte and in which the negative electrode includes a foamed metal containing silicon as an active material therein... | 08/07/2007 |
| 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 |
| 7195842 | Electrode for use in lithium battery and rechargeable lithium battery In an electrode for a lithium battery having a lithium storing and releasing active thin film provided on a current collector, such as a microcrystalline or amorphous silicon thin film, the electrode is characterized in that the thin film is divided into columns by ... | 03/27/2007 |
| 7169509 | Electrode and electrochemical cell therewith This invention provides an electrode comprising a porous conductive substrate as well as an electrode active material and a conductive auxiliary filled in the pores in the substrate. This electrode exhibits improved shape stability (strength), a lower resistivity an... | 01/30/2007 |
| 7125620 | Fuel cell membrane and fuel cell system with integrated gas separation The present invention provides a protonically conductive membrane for use in a direct methanol fuel cell wherein a portion of said protonically conductive membrane conducts protons from the anode face of the membrane to the cathode face of the protonically conductiv... | 10/24/2006 |
| 7105252 | Carbon coated battery electrodes A method for forming a corrosion resistant electrode for a battery includes supplying an electrode for use in the battery and exposing the electrode to an environment including vaporized carbon. At least some of the carbon from the environment may be transferred to ... | 09/12/2006 |
| 7083877 | All solid state battery with coated substrate An all solid state battery comprising: (a) a positive electrode current collector layer, (b) a positive electrode active material layer carried on the positive electrode current collector layer, (c) a negative electrode current collector layer, (d) a negative electr... | 08/01/2006 |
| 7060391 | Current collector structure and methods to improve the performance of a lead-acid battery A battery, a battery electrode structure, and methods to make the same. The product and method comprise applying a layer of lead-tin containing alloy to substrates for anodes or cathodes for lead-acid batteries, in which the substrates are porous or reticulated.... | 06/13/2006 |
| 7033702 | Particulate electrode including electrolyte for a rechargeable lithium battery A matted particulate electrode located between the current collector and a porous separator of a rechargeable lithium battery is described, which contains electro-active particles intermixed with pliable, solid, lithium ion conducting, polymer electrolyte filaments ... | 04/25/2006 |
| 7033703 | Composite material and current collector for battery A composite material including a first carbon foam structure including a network of pores and a second carbon foam structure including a network of pores. An intermediate bonding structure is disposed at least in part between the first and second carbon foam structu... | 04/25/2006 |
| 6994737 | High-capacity polymeric Li-ion cell and its production method This invention is related to a process for preparing polymeric Li-ion cell with high-capacity as well as the cells manufactured with the process. The process produces anode paste with lithium salt and cobalt oxide and sprays the paste onto aluminum current collector... | 02/07/2006 |
| 6979513 | Battery including carbon foam current collectors A battery having a current collector constructed of carbon foam. The carbon foam includes a network of pores into which a chemically active material is disposed to create either a positive or negative plate for the battery. The carbon foam resists corrosion and exhi... | 12/27/2005 |
| 6972044 | Battery electrode and manufacturing method and apparatus for the same A workpiece, in which a lead is laid on top of a three-dimensional porous metal body, is placed between an ultrasonic horn and an anvil with a lead portion facing the ultrasonic horn. A support is raised so that the lead portion of the workpiece is pressed between t... | 12/06/2005 |
| 6953641 | Battery grid A method of forming battery grids or plates that includes the step of applying a lead alloy coating to a continuous strip of interconnected battery grids formed from a lead alloy grid material is disclosed. The battery grids may be formed by a continuous battery gri... | 10/11/2005 |
| 6933071 | Solid polymer type fuel cell and production method thereof A polymer electrolyte fuel cell comprising a polymer electrolyte made of an ion exchange membrane, catalyst layers disposed on both sides thereof and current collectors disposed on the outer sides thereof, wherein a solvent-soluble fluorine-containing polymer (prefe... | 08/23/2005 |
| 6933077 | Current collector for polymer electrochemical cells and electrochemical generators thereof A current collector for polymer electrolyte thin film electrochemical cells and an electrochemical generator is disclosed. The current collector comprises a polymer substrate support film having a thickness of between 1 and 15 microns; a conductive metallic layer ha... | 08/23/2005 |
| 6905797 | Porous mat electrodes for electrochemical reactor having electrolyte solution distribution channels A multicell assembly for a redox flow electrolyzer is constituted by alternately stacking pre-assembled elements, typically an electrode subassembly including porous mat electrodes on opposite faces of a conductive plate and a permionic membrane subassembly. Pressur... | 06/14/2005 |
| 6887511 | Method for preparing electrode material for lithium battery A method for preparing an electrode material for a lithium battery, characterized in that a noncrystalline silicon thin film that serves as an active material is deposited on a substrate. ... | 05/03/2005 |
| 6887623 | Electrode for rechargeable lithium battery and rechargeable lithium battery An electrode for a rechargeable lithium battery which includes a current collector and a thin film composed of active material that stores and releases lithium and deposited on the current collector, the electrode being characterized in that the current collector ha... | 05/03/2005 |
| 6878173 | Method for manufacturing electrode plate for cell A battery electrode plate (19) is produced via an active material impregnation step for impregnating an entire porous core substrate shaped like a thin plate (1) with an active material (3), a pressing step for performing press working on the co... | 04/12/2005 |
| 6849361 | Manufacturing method for sintered substrate of alkaline storage battery A manufacturing method for a sintered substrate of alkaline batteries is provided. The manufacturing method includes a first step for mixing particles with a pore former and applying the mixture to a porous substrate, and a second step for sintering the porous subst... | 02/01/2005 |
| 6824925 | Method for manufacturing base for electrode plate, method for manufacturing positive electrode plate and alkaline storage battery A base for an electrode plate that has an excellent ability to retain an active material and can be manufactured at a low cost, a method for manufacturing the same, and an alkaline storage battery using the same are provided. The method includes (i) forming a slurry... | 11/30/2004 |
| 6815121 | Particulate electrode including electrolyte for a rechargeable lithium battery A matted particulate electrode located between the current collector and a porous separator of a rechargeable lithium battery is described, which contains electro-active particles intermixed with pliable, solid, lithium ion conducting, polymer electrolyte filaments ... | 11/09/2004 |
| 6815120 | Battery electrode and manufacturing method and apparatus for the same A workpiece, in which a lead is laid on top of a three-dimensional porous metal body, is placed between an ultrasonic horn and an anvil with a lead portion facing the ultrasonic horn. A support is raised so that the lead portion of the workpiece is pressed between t... | 11/09/2004 |
| 6800398 | Alkaline storage battery pole plate and production method for alkaline storage battery pole plate and alkaline storage battery A battery used by rolling a pole plate, formed by filling an active material, around a substrate using a band-shaped metal porous body having three-dimensionally linked spaces is inferior in flexibility and likely to short-circuit. According to this invention, groov... | 10/05/2004 |
| 6797432 | Method for producing sintered cadmium negative electrode A cadmium negative electrode is prepared having excellent cycle characteristics without impairing the production efficiency even in case the impurities incorporated during filling the active material should be removed by heat treatment. The method includes filling t... | 09/28/2004 |
| 6790414 | Air enhancement system An oxygen enrichment system is provided. The system includes an electrochemical cell for generating oxygen from ambient air. The electrochemical cell extracts oxygen from ambient air based on hydroxide conduction. A mixer is provided in fluid communication with ambi... | 09/14/2004 |
| 6772489 | Collector for alkaline secondary battery, method for making the same, and alkaline secondary battery using the same A hydrophilic collector for alkaline secondary batteries is formed of a nonwoven fabric plated with nickel in which the nonwoven fabric is hydrophilized by sulfonation, a gaseous fluorine treatment, or vinyl monomer grafting. A method for making the collector includ... | 08/10/2004 |
| 6740441 | Metal current collect protected by oxide film Provided are low-cost, mechanically strong, highly electronically conductive current collects and associated structures for solid-state electrochemical devices, techniques for forming these structures, and devices incorporating the structures. The invention provides... | 05/25/2004 |
| 6699620 | Lead alloy surface coating for positive lead-acid battery grids and methods of use A lead alloy coating for a positive grid of a lead acid battery is provided. The lead alloy coating includes a tin content of at least about 0.1%, but not more than about 3%; and a residual lead content. The lead alloy coating optionally includes a calciu... | 03/02/2004 |
| 6641956 | Electrode plate with a rounded corner and edge for storage battery An electrode plate of a storage battery includes a rectangular, conducting, porous base plate 12 and a paste 13 containing an active substance, spread over the surfaces of the base plate 12, and filled in the hollow spaces in the base plate by rolling so ... | 11/04/2003 |
