Title:
ALL-SOLID BATTERY
Document Type and Number:
WIPO Patent Application WO/2019/163448
Kind Code:
A1
Abstract:
An all-solid battery 1a comprising an electrode body 10 in which a positive electrode layer 2 including a positive electrode active material and a solid electrolyte, an electrolyte layer 4 comprising a solid electrolyte, and a negative electrode layer 3 including a negative electrode active material and a solid electrolyte are layered in the stated order in the vertical direction, wherein: the positive electrode active material is a compound represented by chemical formula Li2Fe(1-x)MxP(2-y)AyO7; the positive electrode active material includes, as M in the chemical formula, at least one metal from among Ti, V, Cr, Ni, Co, and, as A, at least one element from among B, C, Al, Si, Ga, and Ge; x in the chemical formula satisfies 0.8 < x ≤ 1; y in the chemical formula satisfies 0 ≤ y ≤ 0.07; and the negative electrode active material is anatase titanium oxide represented by chemical formula TiO2.
Inventors:
FUJII SHINZO (JP)
GOTO YUJI (JP)
KOBAYASHI MASAKAZU (JP)
FUJISAWA TOMOHIRO (JP)
KAWANO YOICHIRO (JP)
NAKANISHI MASANORI (JP)
YAMAMOTO CHIHIRO (JP)
KATO AKIHIKO (JP)
GOTO YUJI (JP)
KOBAYASHI MASAKAZU (JP)
FUJISAWA TOMOHIRO (JP)
KAWANO YOICHIRO (JP)
NAKANISHI MASANORI (JP)
YAMAMOTO CHIHIRO (JP)
KATO AKIHIKO (JP)
Application Number:
PCT/JP2019/003164
Publication Date:
August 29, 2019
Filing Date:
January 30, 2019
Export Citation:
Assignee:
FDK CORP (JP)
International Classes:
H01M10/052; H01B1/06; H01M4/48; H01M4/58; H01M10/0562; H01M10/0585
Domestic Patent References:
| WO2012008422A1 | 2012-01-19 |
Foreign References:
| JP2016038996A | 2016-03-22 | |||
| JP2014194846A | 2014-10-09 | |||
| JP2009181921A | 2009-08-13 | |||
| JP2016103381A | 2016-06-02 | |||
| JP5312969B2 | 2013-10-09 | |||
| JP2009206094A | 2009-09-10 | |||
| JP2017182945A | 2017-10-05 | |||
| JP2014194846A | 2014-10-09 | |||
| JPS5312969B2 | 1978-05-06 | |||
| JP2018027714A | 2018-02-22 | |||
| JP2018201183A | 2018-12-20 |
Other References:
J. K. FENGL. LU: "Lithium storage capability of lithium ion conductor Li1.5Al0.5Ge1.5(PO4)3", JOURNAL OF ALLOYS AND COMPOUNDS, vol. 501, no. 2, 9 July 2010 (2010-07-09), pages 255 - 258, XP027077432, DOI: 10.1016/j.jallcom.2010.04.084
MASAHIRO TATSUMIAKITOSHI HAYASHI: "Graduate School of Engineering", OSAKA PREFECTURE UNIVERSITY, article "ZENKOTAIDENCHI NO SAIZENSEN (The forefront of all-solid-state batteries"
MASAHIRO TATSUMIAKITOSHI HAYASHI: "Graduate School of Engineering", OSAKA PREFECTURE UNIVERSITY, article "ZENKOTAIDENCHI NO SAIZENSEN (The forefront of all-solid-state batteries"
Attorney, Agent or Firm:
ISSHIKI & CO. (JP)
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