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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 11387451 B1

PDFFull Text
Date of Patent:
Jul. 12, 2022

Filed:

Oct. 20, 2017

Method for preparing metal oxide nanosheets

Applicant:

Agency for Science, Technology and Research, Singapore, SG;

Inventors:

Jackie Y. Ying, Singapore, SG;

Ayman Amin Abdelhamid, Singapore, SG;

Assignee:

AGENCY FOR SCIENCE, TECHNOLOGY AND RESEARCH, Singapore, SG;

Attorney:

Womble Bond Dickinson (US) LLP

Primary Examiner:

Jane J Rhee

Int. Cl.
CPC ...
H01M 4/13 (2010.01); H01M 4/48 (2010.01); C01G 19/02 (2006.01); C01G 23/08 (2006.01); C01G 25/02 (2006.01); C01G 33/00 (2006.01); C01G 45/02 (2006.01); C01G 49/02 (2006.01); C01G 51/04 (2006.01); C01G 51/00 (2006.01); C01G 53/04 (2006.01); C01G 53/00 (2006.01); H01M 4/485 (2010.01); H01M 4/52 (2010.01); H01M 4/525 (2010.01); H01M 10/0525 (2010.01); H01M 4/50 (2010.01); B82Y 30/00 (2011.01); B82Y 40/00 (2011.01); H01M 4/02 (2006.01);
U.S. Cl.
CPC ...
H01M 4/483 (2013.01); C01G 19/02 (2013.01); C01G 23/08 (2013.01); C01G 25/02 (2013.01); C01G 33/00 (2013.01); C01G 45/02 (2013.01); C01G 49/02 (2013.01); C01G 51/04 (2013.01); C01G 51/40 (2013.01); C01G 53/04 (2013.01); C01G 53/40 (2013.01); H01M 4/485 (2013.01); H01M 4/502 (2013.01); H01M 4/523 (2013.01); H01M 4/525 (2013.01); H01M 10/0525 (2013.01); B82Y 30/00 (2013.01); B82Y 40/00 (2013.01); C01P 2002/01 (2013.01); C01P 2002/02 (2013.01); C01P 2002/54 (2013.01); C01P 2002/72 (2013.01); C01P 2002/85 (2013.01); C01P 2004/24 (2013.01); C01P 2004/64 (2013.01); C01P 2006/12 (2013.01); C01P 2006/40 (2013.01); H01M 2004/027 (2013.01);
Abstract

The present invention generally relates to a method for preparing metal oxide nanosheets. In a preferred embodiment, graphene oxide (GO) or graphite oxide is employed as a template or structure directing agent for the formation of the metal oxide nanosheets, wherein the template is mixed with metal oxide precursor to form a metal oxide precursor-bonded template. Subsequently, the metal oxide precursor-bonded template is calcined to form the metal oxide nanosheets. The present invention also relates to a lithium-ion battery anode comprising the metal oxide nanosheets. In a further preferred embodiment, the battery anode may comprising reduced template, which is reduced graphene oxide (rGO) or reduced graphite oxide.

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