Aluminum-based metal-air batteries

Title: Aluminum-based metal-air batteries

Provided in one embodiment is an electrochemical cell, comprising: (i) a plurality of electrodes, comprising a fuel electrode that comprises aluminum and an air electrode that absorbs gaseous oxygen, the electrodes being operable in a discharge mode wherein the aluminum is oxidized at the fuel electrode and oxygen is reduced at the air electrode, and (ii) an ionically conductive medium, comprising an organic solvent; wherein during non-use of the cell, the organic solvent promotes formation of a protective interface between the aluminum of the fuel electrode and the ionically conductive medium, and wherein at an onset of the discharge mode, at least some of the protective interface is removed from the aluminum to thereafter permit oxidation of the aluminum during the discharge mode.

Inventors:: Friesen, Cody A.; Martinez, Jose Antonio Bautista

Issue Date:: 2018-10-02

OSTI Identifier:: 1489035

Assignee:: ARIZONA BOARD OF REGENTS ACTING FOR AND ON BEHALF OF ARIZONA STATE UNIVERSITY (Tempe, AZ) ARPA-E

Patent Number(s):: 10,090,520

Application Number:: 14/958,270

Contract Number:: AR-00000038

Resource Relation:: Patent File Date: 2015 Dec 03

Research Org:: USDOE Advanced Research Projects Agency - Energy (ARPA-E)

Sponsoring Org:: USDOE

Country of Publication:: United States

Language:: English

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Works referenced in this record:

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