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Self-Healing Liquid/Solid State Battery

United States Patent Application

View the Complete Application 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 (Xi'an, Shaanxi, CN), Sadoway, Donald R. (Cambridge, MA)
14/ 526,897
October 29, 2014
STATEMENT REGARDING FEDERALLY SPONSORED RESEARCH OR DEVELOPMENT [0002] 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.