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. 21, 2023
Filed:
Dec. 27, 2018
Form Energy, Inc., Somerville, MA (US);
Ai Quoc Pham, Louisville, CO (US);
Sandeep Nijhawan, Louisville, CO (US);
Aswin K. Manohar, Louisville, CO (US);
Kevin Van Galloway, Louisville, CO (US);
Chenguang Yang, Louisville, CO (US);
Eric E. Benson, Louisville, CO (US);
Lang McHardy, Louisville, CO (US);
Tim Rackers, Louisville, CO (US);
FORM ENERGY, INC., Somerville, MA (US);
Abstract
In an aspect, provided is an alkaline rechargeable battery comprising: i) a battery container sealed against the release of gas up to at least a threshold gas pressure, ii) a volume of an aqueous alkaline electrolyte at least partially filling the container to an electrolyte level; iii) a positive electrode containing positive active material and at least partially submerged in the electrolyte; iv) an iron negative electrode at least partially submerged in the electrolyte, the iron negative electrode comprising iron active material; v) a separator at least partially submerged in the electrolyte provided between the positive electrode and the negative electrode; vi) an auxiliary oxygen gas recombination electrode electrically connected to the iron negative electrode by a first electronic component, ionically connected to the electrolyte by a first ionic pathway, and exposed to a gas headspace above the electrolyte level by a first gas pathway.