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Fukumine
Mayumi Fukumine, Tokyo JP
| Patent application number | Description | Published |
|---|---|---|
| 20090316334 | Electro-chemical element electrode - An electrochemical element electrode for obtaining electrochemical elements having both low internal resistance and high capacitance, and a secondary battery and an electric double layer capacitor using the electrode are provided. | 12-24-2009 |
| 20090325075 | Composite particles for electrochemical element electrode - The present invention provides a method of producing composite particle for high density electrochemical element electrodes in electrochemical elements having low internal resistance and high capacitance. | 12-31-2009 |
| 20110020709 | POROUS FILM AND SECONDARY BATTERY ELECTRODE - The present invention is intended for providing a porous film having excellent film uniformity, and is capable to contribute for improving cyclic and rate properties, which is provided on a surface of electrode used for a secondary battery and the like. | 01-27-2011 |
Mayumi Fukumine, Kanagawa-Ken JP
| Patent application number | Description | Published |
|---|---|---|
| 20090274958 | Lithium-Ion Secondary Battery - The purpose of the present invention is to provide a lithium-ion secondary battery with small internal resistance, excellent load characteristics and low reduction in capacitance due to repeated discharge and charge. | 11-05-2009 |
| 20100112441 | BINDER FOR SECONDARY BATTERY ELECTRODE, SECONDARY BATTERY ELECTRODE, AND SECONDARY BATTERY - The present invention aims at improving binding continuity, rate property, cycle property and short circuit ratio by lowering a inner resistance of electrode in a secondary battery. | 05-06-2010 |
| 20110129731 | ELECTRODE FOR LITHIUM-ION SECONDARY BATTERY - Disclosed is an electrode for a lithium-ion secondary battery in which a porous membrane containing an oxide particle having a particle size of 5 nm or more to 100 nm or less is layered on an electrode active material layer; a slurry for a porous membrane comprising an oxide particle having a particle size of 5 nm or more to 100 nm or less, a polymer having a glass-transition temperature of 15° C. or less and a solvent; and a lithium-ion secondary battery comprising a positive electrode, a negative electrode and an electrolyte solution in which at least one of the positive electrode and negative electrode is the electrode of the present invention. The purpose is to provide a porous membrane able to contribute to reduction of an attached matter to a roll when being wound up due to improved retention of inorganic filler on the surface part of the porous membrane for a porous protective membrane provided on the surface of an electrode used for a secondary battery and the like. | 06-02-2011 |
| 20110159362 | A POROUS FILM, SECONDARY BATTERY ELECTRODES, AND LITHIUM ION SECONDARY BATTERY - In regards with the porous film provided on the surface of the electrode used for the secondary battery or so, the present invention provides the porous film which can contribute to reduce the adhered material to the roll during the roll winding of the electrode. The secondary battery electrode formed by adhering; the porous film comprising the inorganic filler and the binder, and styrene and the polymer having the glass transition temperature of 15° C. or less as said binder, the porous film slurry comprising the inorganic filler, the polymer having the glass transition temperature of 15° C. or less and the solvent, and the electrode composite layer comprising the binder and the electrode active material, to the current collector, and said porous film is provided on the surface of the electrode composite layer. | 06-30-2011 |
Mayumi Fukumine, Kawasaki-Shi JP
| Patent application number | Description | Published |
|---|---|---|
| 20110318630 | SEPARATOR FOR LITHIUM ION SECONDARY BATTERY AND LITHIUM ION SECONDARY BATTERY - The invention intends to provide a separator for lithium ion secondary battery wherein the separator with porous film used for lithium ion secondary battery include binder, which is capable to contribute for improving film smoothness property of the separator and long term cycle property. | 12-29-2011 |
Yoshio Fukumine, Tokyo JP
| Patent application number | Description | Published |
|---|---|---|
| 20090284900 | Electrode Material for Electric Double Layer Capacitor, Method for Producing the Same, Electrode for Electric Double Layer Capacitor and Electric Double Layer Capacitor - An electrode material for an electric double layer capacitor, where a moldability is good, a flexion resistance and a cohesiveness to a current collector after molding into an active material layer are high and an internal resistance can be reduced, an electrode for an electric double layer capacitor obtained using the electrode material, and a capacitor are provided. The electrode material for the electric double layer capacitor is composed of a mixture particle containing a binder and an electrode active material, and in said mixture particle, 50 area % or more of a surface of said mixture particle has been coated with the binder. | 11-19-2009 |
| 20090316334 | Electro-chemical element electrode - An electrochemical element electrode for obtaining electrochemical elements having both low internal resistance and high capacitance, and a secondary battery and an electric double layer capacitor using the electrode are provided. | 12-24-2009 |