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:
Oct. 20, 2020
Filed:
Dec. 28, 2016
Applicant:
Google Llc, Mountain View, CA (US);
Inventors:
Taisup Hwang, Santa Clara, CA (US);
Ramesh C. Bhardwaj, Fremont, CA (US);
Assignee:
GOOGLE LLC, Mountain View, CA (US);
Primary Examiner:
Int. Cl.
CPC ...
H01M 10/44 (2006.01); H01M 10/0525 (2010.01); H01M 4/38 (2006.01); H01M 4/36 (2006.01); H01M 4/525 (2010.01); H01M 4/505 (2010.01); H01M 10/42 (2006.01);
U.S. Cl.
CPC ...
H01M 10/446 (2013.01); H01M 4/366 (2013.01); H01M 4/386 (2013.01); H01M 4/505 (2013.01); H01M 4/525 (2013.01); H01M 10/0525 (2013.01); H01M 2010/4292 (2013.01);
Abstract
The disclosure relates to pre-lithiation for batteries having silicon anodes. One example embodiment is a method. The method includes applying a voltage across an anode and a cathode of a battery during a formation charging process. The method also includes transferring lithium ions from the cathode to the anode to perform in situ pre-lithiation. A ratio of a capacity of the anode to a capacity of the cathode is less than 1.0.