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:
Nov. 29, 2016
Filed:
Nov. 05, 2015
Hydro-quebec, Montreal, Quebec, CA;
Abdelbast Guerfi, Brossard, CA;
Fernand Brochu, Longueuil, CA;
Kimio Kinoshita, Cupertino, CA (US);
Karim Zaghib, Longueuil, CA;
HYDRO-QUEBEC, Montreal, Quebec, CA;
Abstract
A method for modifying graphite particles having a prismatic shape or a cylindrical shape characterized by an edge function fe and a basal function fb, said method providing increase of the edge function and lowering of the basal function, wherein the method includes submitting the graphite particles to at least one physical means selected from attrition, jet mill, ball mill, hammer mill, or atomizer mill, in the presence of at least one chemical compound chosen from the group of compounds of the formula MF, in which M represents an alkaline or alkaline-earth metal and z represents 1 or 2, NaCl and NHF or a mixture thereof, said compound or compounds being added in solid form, at the beginning of the step using the physical means.