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:
Sep. 20, 1977
Filed:
Apr. 19, 1976
Arthur H Thompson, New Providence, NJ (US);
M Stanley Whittingham, Fanwood, NJ (US);
Exxon Research & Engineering Co., Linden, NJ (US);
Abstract
A new composition of matter corresponds to the formula A.sub.x M(PS.sub.3).sub.y wherein A is at least one Group Ia metal, x is a numerical value greater than zero but equal to or less than 6 divided by the valency of the element, M is at least one transition metal selected from the group consisting of nickel or iron, P is phosphorus, S is sulfur and y is a numerical value between about 0.9 and 1.0. These materials are useful as cathode materials in electrochemical cells and as thermal collectors from solar radiation. Compositions of the present invention are used in fabricating rechargeable electrochemical cells in the discharged state which comprise an anode containing as the anode-active material at least one Group Ia metal; a cathode containing as the cathode-active material a non stoichiometric trisulfide of the formula A.sub.x M(PS.sub.3).sub.y wherein A is at least one Group Ia metal, y is a numerical value greater than zero but equal to or less than 6 divided by the valency of the element, M is at least one transition metal selected from the group consisting of iron and nickel, and y is a numerical value between about 0.9 and 1; and an electrolyte that is inert to the anode and cathode and permits migration of ions of at least the anode-active material to react with the cathode-active material.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile