Multi-element liquid metal battery

Title: Multi-element liquid metal battery

An electrochemical cell includes a negative electrode having at least two active metals, a positive electrode having a metal or alloy, and an electrolyte having a cation of each of the active metals. The electrolyte defines first and second interfaces with the positive electrode being in contact with the first interface and the negative electrode being in contact with the second interface. The electrolyte is configured to allow the cations of the active metals to be transferred from the negative electrode to the positive electrode during discharging and to be transferred from the positive electrode to the negative electrode during charging. The electrolyte exists as a liquid phase and the negative electrode and the positive electrode exist as liquid or partially liquid phases at operating temperatures of the electrochemical cell.

Inventors:: Ouchi, Takanari; Kim, Hojong; Sadoway, Donald R.

Issue Date:: 2019-01-01

OSTI Identifier:: 1493282

Assignee:: Massachusetts Institute of Technology (Cambridge, MA) ARPA-E

Patent Number(s):: 10,170,799

Application Number:: 14/968,381

Contract Number:: AR0000047

Resource Relation:: Patent File Date: 2015 Dec 14

Research Org:: Massachussetts Institute of Technology, Cambridge, MA (United States)

Sponsoring Org:: USDOE

Country of Publication:: United States

Language:: English

Subject:: 25 ENERGY STORAGE

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Works referenced in this record:

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