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.:
Date of Patent:
Feb. 24, 2015
Filed:
May. 07, 2010
Applicant:
Philip John Rayner, Huntingdon, GB;
Inventor:
Philip John Rayner, Huntingdon, GB;
Assignee:
Nexeon Limited, Oxfordshire, GB;
Primary Examiner:
Int. Cl.
CPC ...
H01M 4/134 (2010.01); H01M 4/38 (2006.01); H01B 13/00 (2006.01); C22C 21/02 (2006.01); C22C 21/04 (2006.01); H01M 4/525 (2010.01); H01M 10/0525 (2010.01);
U.S. Cl.
CPC ...
C22C 21/02 (2013.01); C22C 21/04 (2013.01); H01M 4/38 (2013.01); H01M 4/134 (2013.01); H01M 4/525 (2013.01); H01M 10/0525 (2013.01);
Abstract
A method of forming a silicon anode material for rechargeable cells includes providing a metal matrix that includes no more than 30 wt % of silicon, including silicon structures dispersed therein. The metal matrix is at least partially etched to at least partially isolate the silicon structures.