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The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Patent No.:

US 11349123 B1

PDFFull Text
Date of Patent:
May. 31, 2022

Filed:

Mar. 08, 2017

Amorphous oxide-based positive electrode active material, method for producing same and use of same

Applicant:

University Public Corporation Osaka, Osaka, JP;

Inventors:

Akitoshi Hayashi, Sakai, JP;

Masahiro Tatsumisago, Sakai, JP;

Assignee:

UNIVERSITY PUBLIC CORPORATION OSAKA, Osaka, JP;

Attorneys:

Stites & Harbison, PLLC

Terry L. Wright

Primary Examiner:

Raymond Alejandro

Int. Cl.
CPC ...
H01M 4/13 (2010.01); H01M 4/58 (2010.01); H01M 4/485 (2010.01); H01M 4/505 (2010.01); H01M 4/525 (2010.01); H01M 10/0562 (2010.01); H01M 4/1391 (2010.01); H01M 4/36 (2006.01); H01M 4/1397 (2010.01); H01M 4/136 (2010.01); H01M 4/131 (2010.01); H01M 10/052 (2010.01); H01M 10/0525 (2010.01); H01M 4/02 (2006.01);
U.S. Cl.
CPC ...
H01M 4/58 (2013.01); H01M 4/131 (2013.01); H01M 4/136 (2013.01); H01M 4/1391 (2013.01); H01M 4/1397 (2013.01); H01M 4/364 (2013.01); H01M 4/485 (2013.01); H01M 4/505 (2013.01); H01M 4/525 (2013.01); H01M 4/582 (2013.01); H01M 4/5825 (2013.01); H01M 10/0562 (2013.01); H01M 10/052 (2013.01); H01M 10/0525 (2013.01); H01M 2004/028 (2013.01); H01M 2300/0071 (2013.01);
Abstract

An amorphous oxide-based positive electrode active material that is a production material of a positive electrode for an all-solid secondary battery, wherein the amorphous oxide-based positive electrode active material (i) comprises an alkali metal selected from Li and Na; a second metal selected from Co, Ni, Mn, Fe, Cr, V, Cu, Ti, Zn, Zr, Nb, Mo, Ru and Sn; an ionic species selected from phosphate ion, sulfate ion, borate ion, silicate ion, aluminate ion, germanate ion, nitrate ion, carbonate ion and halide ion; and an oxygen atom (except for the oxygen atom constituting the ionic species); (ii) contains at least an amorphous phase; and (iii) is a production material of a positive electrode with a thickness of 20 μm or more.

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