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Title:
NEGATIVE ELECTRODE MIXTURE OR GEL ELECTROLYTE, AND BATTERY USING SAID NEGATIVE ELECTRODE MIXTURE OR SAID GEL ELECTROLYTE
Document Type and Number:
WIPO Patent Application WO/2013/027767
Kind Code:
A1
Abstract:
The purpose of the present invention is to provide a zinc negative electrode mixture for forming the negative electrode for a safe and economic battery exhibiting excellent battery performance, and a gel electrolyte or a negative electrode mixture which can be suitably used for forming a storage battery exhibiting excellent battery performances such as a high cycle characteristics, rate characteristics, and coulombic efficiency while inhibiting passivation and morphology of an electrode active material such as dendrite and shape change in the electrode active material. Another purpose of the present invention is to provide a battery using the zinc negative electrode mixture or the gel electrolyte. A zinc negative electrode mixture (1) containing a zinc-containing compound and a conductive auxiliary agent, wherein the zinc-containing compound and/or the conductive auxiliary agent contain particles having an average particle size of 1000 µm or less and/or particles having an aspect ratio (vertical/lateral) of 1.1 or more. A gel electrolyte (2) used in a battery, the gel electrolyte being characterized by having a cross-linking structure formed by a multivalent ion and/or an inorganic compound. A negative electrode mixture (3) used in a battery, the negative electrode mixture being characterized by containing a negative electrode active material and a polymer.

Inventors:
YONEHARA KOJI (JP)
ONO HIRONOBU (JP)
HARADA HIROKO (JP)
TAKAZAWA YASUYUKI (JP)
Application Number:
PCT/JP2012/071204
Publication Date:
February 28, 2013
Filing Date:
August 22, 2012
Export Citation:
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Assignee:
NIPPON CATALYTIC CHEM IND (JP)
YONEHARA KOJI (JP)
ONO HIRONOBU (JP)
HARADA HIROKO (JP)
TAKAZAWA YASUYUKI (JP)
International Classes:
H01M4/42; H01M4/06; H01M4/24; H01M4/62; H01M10/30; H01M12/08
Foreign References:
JPH11242954A1999-09-07
JPH08171901A1996-07-02
JPH01134862A1989-05-26
JPS61281461A1986-12-11
JPH11167933A1999-06-22
JPH04179065A1992-06-25
JPS487246A
JPS58163159A1983-09-27
JPS58163162A1983-09-27
JPS60208053A1985-10-19
JPS6161366A1986-03-29
JPS6196666A1986-05-15
JPH01163967A1989-06-28
JP2004513501A2004-04-30
JP2004520683A2004-07-08
JP2004522256A2004-07-22
JP2004526286A2004-08-26
JP2007214125A2007-08-23
JP2008532249A2008-08-14
US20110033747A12011-02-10
JPS5132365B21976-09-11
JP2007227032A2007-09-06
JP2005322635A2005-11-17
JP2003178797A2003-06-27
JPH05205515A1993-08-13
JPS6037655A1985-02-27
JPH08222225A1996-08-30
JP2003331848A2003-11-21
JP2006172992A2006-06-29
Other References:
See also references of EP 2750225A4
MITSUZO NOGAMI, DENKI KAGAKU, vol. 57, no. 8, 1989, pages 810 - 814
F. R. MCLARNON, JOURNAL OF THE ELECTROCHEMICAL SOCIETY, vol. 138, no. 2, 1991, pages 645 - 664
XIAOMING ZHU, ELECTROCHIMICA ACTA, vol. 49, no. 16, 2004, pages 2533 - 2539
HIROSHI INOUE, ELECTROCHEMICAL AND SOLID-STATE LETTERS, vol. 12, no. 3, 2009, pages A58 - A60
J. F. FAUVARQUE, ELECTROCHIMICA ACTA, vol. 40, no. 13-14, 1995, pages 2449 - 2453
CHUN-CHEN YANG, JOURNAL OF POWER SOURCES, vol. 109, 2002, pages 22 - 31
CHUN-CHEN YANG, MATERIALS SCIENCE AND ENGINEERING B, vol. 131, 2006, pages 256 - 262
Attorney, Agent or Firm:
YASUTOMI & Associates (JP)
Patent business corporation Yasutomi international patent firm (JP)
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Claims:



 
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