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.

Date of Patent:
Mar. 07, 2017

Filed:

Dec. 26, 2013
Applicants:

Industrial Technology Research Institute, Hsinchu, TW;

National Taiwan University, Taipei, TW;

Inventors:

Hung-Chun Wu, Jhubei, TW;

Yu-Ting Chen, Chiayi, TW;

Nae-Lih Wu, Taipei, TW;

Wen-Chin Chen, Kaohsiung, TW;

Shih-Chieh Liao, Jungli, TW;

Yih-Chyng Wu, Taipei, TW;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 4/00 (2006.01); H01M 4/505 (2010.01); H01M 4/525 (2010.01); C01G 53/00 (2006.01); C07C 55/07 (2006.01); H01M 10/0525 (2010.01); H01M 4/02 (2006.01); H01M 4/36 (2006.01); H01M 4/62 (2006.01);
U.S. Cl.
CPC ...
H01M 4/505 (2013.01); C01G 53/50 (2013.01); C07C 55/07 (2013.01); H01M 4/525 (2013.01); C01P 2002/50 (2013.01); C01P 2002/54 (2013.01); C01P 2004/61 (2013.01); C01P 2004/62 (2013.01); C01P 2004/80 (2013.01); C01P 2004/84 (2013.01); H01M 4/366 (2013.01); H01M 4/62 (2013.01); H01M 10/0525 (2013.01); H01M 2004/028 (2013.01);
Abstract

The disclosure provides a Ni—Mn composite oxalate powder, including a plurality of biwedge octahedron particles represented by the general formula: NiMnCoMCO.nHO, wherein q+x+y+z=1, 0<q, x<1, 0≦y<1, 0≦z<0.15, 0≦n≦5, and M is at least one of Mg, Sr, Ba, Cd, Zn, Al, Ga, B, Zr, Ti, Ca, Ce, Y, Nb, Cr, Fe and V. The above powder may be further calcined with a lithium salt to form a lithium transition metal oxide powder for use as a positive electrode material in lithium ion-batteries.


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