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. 23, 2021

Filed:

Nov. 27, 2018
Applicant:

Shaanxi University of Science and Technology, Shaanxi, CN;

Inventors:

Jianfeng Huang, Shaanxi, CN;

Wenbin Li, Shaanxi, CN;

Liyun Cao, Shaanxi, CN;

Liangliang Feng, Shaanxi, CN;

Shuwei He, Shaanxi, CN;

Yijie Ren, Shaanxi, CN;

Ruizi Li, Shaanxi, CN;

Xunwei Chang, Shaanxi, CN;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C01G 31/02 (2006.01); H01M 4/485 (2010.01); C01G 31/00 (2006.01); H01M 4/02 (2006.01);
U.S. Cl.
CPC ...
C01G 31/02 (2013.01); C01G 31/00 (2013.01); H01M 4/485 (2013.01); C01P 2002/72 (2013.01); C01P 2004/03 (2013.01); C01P 2004/04 (2013.01); C01P 2004/24 (2013.01); C01P 2004/30 (2013.01); C01P 2006/40 (2013.01); H01M 2004/027 (2013.01);
Abstract

A preparation method of a tetragonal NaVO.HO nanosheet-like powder includes steps of: (S1) simultaneously adding NaVOand NaS.9HO into deionized water, and then magnetically stirring, and obtaining a black turbid solution; (S2) sealing after putting the black turbid solution into an inner lining of a reaction kettle, fixing the sealed inner lining in an outer lining of the reaction kettle, placing the reaction kettle into a homogeneous reactor, and then performing a hydrothermal reaction; and (S3) after completing the hydrothermal reaction, naturally cooling the reaction kettle to the room temperature, and then alternately cleaning through water and alcohol, and then collecting a product, drying the product, and finally obtaining the tetragonal NaVO.HO nanosheet-like powder with a thickness in a range of 30-60 nm and a single crystal structure grown along a (002) crystal orientation.


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