Skip to Content
Find More Like This
Return to Search

Self-healing liquid/solid state battery

United States Patent

February 27, 2018
View the Complete Patent at the US Patent & Trademark Office
A battery system that exchanges energy with an external device is provided. The battery system includes a positive electrode having a first metal or alloy, a negative electrode having a second metal or alloy, and an electrolyte including a salt of the second metal or alloy. The positive electrode, the negative electrode, and the electrolyte are in a liquid phase at an operating temperature during at least one portion of operation. The positive electrode is entirely in a liquid phase in one charged state and includes a solid phase in another charged state. The solid phase of the positive electrode includes a solid intermetallic formed by the first and the second metals or alloys. Methods of storing electrical energy from an external circuit using such a battery system are also provided.
Burke; Paul J. (Framingham, MA), Chung; Brice H. V. (Boston, MA), Phadke; Satyajit R. (Arlington, MA), Ning; Xiaohui (Shaanxi, CN), Sadoway; Donald R. (Cambridge, MA)
Massachusetts Institute of Technology (Cambridge, MA), Total S.A. (Courbevoie, FR), Total Energies Nouvelles Activites USA (Coubervoie, FR)
14/ 526,897
October 29, 2014
STATEMENT REGARDING FEDERALLY SPONSORED RESEARCH OR DEVELOPMENT This invention was made with Government support under Grant No. DE-AR0000047 awarded by the Department of Energy. The Government has certain rights in the invention.