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:
Aug. 01, 2017
Filed:
Sep. 13, 2013
Applicant:
Renault S.a.s., Boulogne-Billancourt, FR;
Inventors:
Gregory Douglade, Grenoble, FR;
Jean-Frederic Martin, Grenoble, FR;
Assignee:
RENAULT s.a.s., Boulogne-Billancourt, FR;
Primary Examiner:
Int. Cl.
CPC ...
G01N 27/30 (2006.01); G01N 5/02 (2006.01); G01G 3/16 (2006.01); H01M 10/42 (2006.01); H01M 10/052 (2010.01);
U.S. Cl.
CPC ...
G01N 27/30 (2013.01); G01G 3/16 (2013.01); G01N 5/02 (2013.01); H01M 10/42 (2013.01); H01M 10/052 (2013.01);
Abstract
A method for detecting and dosing hydrofluoric acid content of an electrolyte containing lithium hexafluorophosphate LiPF6 in lithium batteries, including measuring a variation in weight of a material that can undergo a surface reaction with the hydrofluoric acid in the electrolyte, the variation being determined by a quartz microbalance.