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:
Jun. 14, 1977
Filed:
Jan. 27, 1976
Applicant:
Inventors:
Myles A Walsh, West Falmouth, MA (US);
Fraser M Walsh, Arlington, MA (US);
Dennis N Crouse, Melrose, MA (US);
Assignee:
Eco-Control, Inc., Cambridge, MA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01M / ;
U.S. Cl.
CPC ...
429 27 ; 429 42 ; 429213 ;
Abstract
An electrode for use in electrochemical cells in which a halogen is an active electrochemical agent. The electrode comprises a high surface area conductive matrix, preferably of carbon, with a polymer grafted thereto. The polymer has halogen active quaternary ammonium, sulfonium, or phosphonium sites or mixtures thereof incorporated into its structure which holds the halogen at the electrode until discharge. A cell and battery which utilize the electrode and an aqueous electrolyte containing beneficial additives are also disclosed.