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Title: Aluminum-based metal-air batteries

Abstract

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:
;
Issue Date:
Research Org.:
ARIZONA BOARD OF REGENTS FOR AND ON BEHALF OF ARIZONA STATE UNIVERSITY, Tempe, AZ (United States)
Sponsoring Org.:
USDOE
OSTI Identifier:
1236170
Patent Number(s):
9236643
Application Number:
13/653,830
Assignee:
ARIZONA BOARD OF REGENTS FOR AND ON BEHALF OF ARIZONA STATE UNIVERSITY
Patent Classifications (CPCs):
H - ELECTRICITY H01 - BASIC ELECTRIC ELEMENTS H01M - PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
Y - NEW / CROSS SECTIONAL TECHNOLOGIES Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC Y10T - TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
DOE Contract Number:  
AR0000038
Resource Type:
Patent
Resource Relation:
Patent File Date: 2012 Oct 17
Country of Publication:
United States
Language:
English
Subject:
36 MATERIALS SCIENCE; 37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY; 25 ENERGY STORAGE

Citation Formats

Friesen, Cody A., and Martinez, Jose Antonio Bautista. Aluminum-based metal-air batteries. United States: N. p., 2016. Web.
Friesen, Cody A., & Martinez, Jose Antonio Bautista. Aluminum-based metal-air batteries. United States.
Friesen, Cody A., and Martinez, Jose Antonio Bautista. Tue . "Aluminum-based metal-air batteries". United States. https://www.osti.gov/servlets/purl/1236170.
@article{osti_1236170,
title = {Aluminum-based metal-air batteries},
author = {Friesen, Cody A. and Martinez, Jose Antonio Bautista},
abstractNote = {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.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {2016},
month = {1}
}

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