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:
Mar. 28, 2017
Filed:
Nov. 01, 2011
Melanie J. Loveridge, Sutton Courtenay, GB;
Michael Jonathan Lain, Abingdon, GB;
Fazlil Coowar, Shirley, GB;
Mamdouh Elsayed Abdelsalam, St. Denys, GB;
Melanie J. Loveridge, Sutton Courtenay, GB;
Michael Jonathan Lain, Abingdon, GB;
Fazlil Coowar, Shirley, GB;
Mamdouh Elsayed Abdelsalam, St. Denys, GB;
Nexeon Limited, Abingdon, Oxfordshire, GB;
Abstract
Composite electrode material for a rechargeable battery cell includes an electroactive material; and a polymeric binder including pendant carboxyl groups, characterized in that (i) the electroactive material includes one or more components selected from the group including an electroactive metal, an electroactive semi-metal, an electroactive ceramic material, an electroactive metalloid, an electroactive semi-conductor, an electroactive alloy of a metal, an electroactive alloy of a semi metal and an electroactive compound of a metal or a semi-metal, (ii) the polymeric binder has a molecular weight in the range 300,000 to 3,000,000 and (iii) 50 to 90% of the carboxyl groups of the polymeric binder are in the form of a metal ion carboxylate salt. A method of making a composite electrode material, an electrode, cells including electrodes and devices using such cells are also disclosed.