US Patent No: 6,001,507

Number of patents in Portfolio can not be more than 2000

Non-aqueous electrolyte secondary battery

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Abstract

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A non-aqueous electrolyte battery which exhibits satisfactory reliability because reduction in the discharge capacity can be significantly prevented even after use with rapid temperature change and which enables excellent productivity to be realized. The non-aqueous electrolyte battery includes a cathode and an anode in which an active material for the cathode and/or an active material for the anode is integrated by a binder, wherein the binder for the cathode and/or the binder for the anode is a mixture of polyimide, which is soluble in an organic solvent, and a fluorine polymer. The polyimide is expressed by the following formula: ##STR1##

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Patent Owner(s)

Patent OwnerAddressTotal Patents
SONY CORPORATIONTOKYO, JP39595

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Kato, Hisayuki Kokubunji, JP 35 238
Mori, Takai Tochigi, JP 1 52
Ono, Takashi Tokyo, JP 341 2421
Yamamoto, Yoshikatsu Fukushima, JP 40 299

Cited Art Landscape

Patent Info (Count) # Cites Year
 
SANYO ELECTRIC CO., LTD. (2)
5,380,606 Secondary battery utilizing a mixed binder 12 1993
5,468,571 Secondary battery 19 1995
 
KABUSHIKI KAISHA TOSHIBA (1)
5,340,670 Lithium secondary battery and method of manufacturing carbonaceous material for negative electrode of the battery 55 1993
 
UNITIKA LTD. (1)
5,348,818 Carbonaceous material and a cell using the same 19 1993
 
Other [Check patent profile for assignment information] (1)
5,716,732 Anode material and method of manufacturing the same 3 1997

Patent Citation Ranking

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Patent Info (Count) # Cites Year
 
MEDTRONIC, INC. (22)
7,879,495 Medical device having lithium-ion battery 1 2004
7,811,705 Lithium-ion battery 4 2004
7,807,299 Lithium-ion battery 6 2004
7,682,745 Medical device having lithium-ion battery 8 2004
7,662,509 Lithium-ion battery 5 2004
7,641,992 Medical device having lithium-ion battery 9 2004
7,642,013 Medical device having lithium-ion battery 10 2004
7,582,387 Lithium-ion battery 17 2004
7,563,541 Lithium-ion battery 14 2004
7,337,010 Medical device having lithium-ion battery 54 2004
7,635,541 Method for charging lithium-ion battery 11 2005
8,105,714 Lithium-ion battery 1 2007
7,927,742 Negative-limited lithium-ion battery 4 2008
7,740,985 Lithium-ion battery 4 2009
7,875,389 Lithium-ion battery 3 2009
7,858,236 Lithium-ion battery 3 2009
7,794,869 Lithium-ion battery 3 2009
7,883,790 Method of preventing over-discharge of battery 3 2009
7,803,481 Lithium-ion battery 6 2009
7,931,987 Lithium-ion battery 1 2010
8,178,242 Lithium-ion battery 0 2011
8,383,269 Negative-limited lithium-ion battery 0 2011
 
3M INNOVATIVE PROPERTIES COMPANY (6)
7,972,725 Polyimide electrode binders 0 2005
7,871,727 Alloy composition for lithium ion batteries 4 2006
7,851,085 Alloy compositions for lithium ion batteries 2 2006
7,767,349 Alloy compositions for lithium ion batteries 1 2006
7,732,095 Electrode compositions based on an amorphous alloy having a high silicon content 1 2006
7,972,727 Electrode compositions based on an amorphous alloy having a high silicon content 0 2010
 
SOLICORE, INC. (6)
6,451,480 Polyimide-based lithium ion battery 33 2000
7,390,336 Polyimide-based lithium metal battery 1 2003
7,129,005 Polyimide matrix electrolyte and improved batteries therefrom 9 2005
7,198,870 Polyimide matrix electrolyte 3 2005
8,088,243 Method of forming a card with embedded IC and electrochemical cell 0 2005
7,824,808 Polyimide-based lithium metal battery 0 2008
 
CALIFORNIA INSTITUTE OF TECHNOLOGY (3)
6,468,684 Proton conducting membrane using a solid acid 22 1999
7,416,803 Solid acid electrolytes for electrochemical devices 3 2002
7,282,291 Water free proton conducting membranes based on poly-4-vinylpyridinebisulfate for fuel cells 0 2003
 
GREATBATCH LTD. (3)
6,759,164 Use of heat-treated electrodes containing a polyamic acid-PVDF binder mixture 6 2001
6,797,019 Electrochemical cell having an electrode of silver vanadium oxide coated to a current collector 5 2001
6,790,561 Process for fabricating continuously coated electrodes on a porous current collector and cell designs incorporating said electrodes 11 2002
 
The United States of America as represented by the Administrator of the National Aeronautics and Space Administration (2)
6,881,820 Rod-coil block polyimide copolymers 6 2002
6,855,433 Mechanically resilient polymeric films doped with a lithium compound 0 2004
 
CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE (1)
8,632,904 Method of producing electrode composite material 0 2004
 
ENTEK INTERNATIONAL LLC (1)
6,410,183 Battery separator with improved shoulders 2 1999
 
KABUSHIKI KAISHA TOYOTA JIDOSHOKKI (1)
8,728,663 Positive electrode for lithium-ion secondary battery and lithium-ion secondary battery comprising that positive electrode 0 2011
 
NIPPON COKE & ENGINEERING CO., LTD. (1)
6,432,583 Anode material for lithium secondary battery, process for production thereof, and lithium secondary battery 10 2000
 
PANASONIC CORPORATION (1)
7,767,339 Production method of non-aqueous electrolyte secondary battery 1 2005
 
SAMSUNG SDI CO., LTD. (1)
8,148,008 Negative active material composition for a rechargeable lithium battery, a negative electrode for a rechargeable lithium battery, and a rechargeable lithium battery including same 0 2007
 
SANYO ELECTRIC CO., LTD. (1)
8,343,657 Negative electrode for lithium secondary battery, method of manufacturing the electrode, and lithium secondary battery 1 2007
 
SARACOM CO., LTD. (1)
7,659,032 Cathode active material, cathode material having the cathode active material, secondary aqueous lithium-ion battery having the cathode material, and method for preparing the cathode active material 0 2007
 
The Boeing Company (1)
7,014,915 Controlled binary macrosegregated powder particles, their uses, and preparation methods therefor 0 2002
 
Other [Check patent profile for assignment information] (1)
8,785,046 Lithium-ion battery 0 2010

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