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. 09, 2018
Filed:
Dec. 19, 2016
Applicant:
Commissariat a L'energie Atomique ET Aux Energies Alternatives, Paris, FR;
Inventors:
Jéan-Fréderic Martin, Renage, FR;
Yohann Thomas, Grenoble, FR;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 6/16 (2006.01); H01M 4/66 (2006.01); H01M 10/0525 (2010.01); H01M 4/485 (2010.01); H01M 4/525 (2010.01); H01M 4/505 (2010.01); H01M 4/58 (2010.01); H01M 4/587 (2010.01); H01M 10/0569 (2010.01); H01M 10/0568 (2010.01);
U.S. Cl.
CPC ...
H01M 4/66 (2013.01); H01M 4/485 (2013.01); H01M 4/505 (2013.01); H01M 4/525 (2013.01); H01M 4/587 (2013.01); H01M 4/5825 (2013.01); H01M 10/0525 (2013.01); H01M 10/0568 (2013.01); H01M 10/0569 (2013.01); H01M 2300/0025 (2013.01);
Abstract
A lithium-ion accumulator successively includes a first current collector; a negative electrode in contact with the first current collector; an electrode separator comprising an electrolyte, in contact with the negative electrode; a positive electrode in contact with the electrode separator; and a second current collector in contact with the positive electrode. The second current collector is made of aluminum covalently grafted with at least one phenyl aromatic group C(R), in which formula: