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Title: Cathodes for lithium-air battery cells with acid electrolytes

Abstract

In various embodiments, the present disclosure provides a layered metal-air cathode for a metal-air battery. Generally, the layered metal-air cathode comprises an active catalyst layer, a transition layer bonded to the active catalyst layer, and a backing layer bonded to the transition layer such that the transition layer is disposed between the active catalyst layer and the backing layer.

Inventors:
; ;
Publication Date:
Research Org.:
The Curators of the University of Missouri, Columbia, MO (United States)
Sponsoring Org.:
USDOE
OSTI Identifier:
1264384
Patent Number(s):
9,397,345
Application Number:
13/949,875
Assignee:
The Curators of the University of Missouri (Columbia, MO) ARPA-E
DOE Contract Number:
AR0000066
Resource Type:
Patent
Resource Relation:
Patent File Date: 2013 Jul 24
Country of Publication:
United States
Language:
English
Subject:
36 MATERIALS SCIENCE; 25 ENERGY STORAGE

Citation Formats

Xing, Yangchuan, Huang, Kan, and Li, Yunfeng. Cathodes for lithium-air battery cells with acid electrolytes. United States: N. p., 2016. Web.
Xing, Yangchuan, Huang, Kan, & Li, Yunfeng. Cathodes for lithium-air battery cells with acid electrolytes. United States.
Xing, Yangchuan, Huang, Kan, and Li, Yunfeng. Tue . "Cathodes for lithium-air battery cells with acid electrolytes". United States. doi:. https://www.osti.gov/servlets/purl/1264384.
@article{osti_1264384,
title = {Cathodes for lithium-air battery cells with acid electrolytes},
author = {Xing, Yangchuan and Huang, Kan and Li, Yunfeng},
abstractNote = {In various embodiments, the present disclosure provides a layered metal-air cathode for a metal-air battery. Generally, the layered metal-air cathode comprises an active catalyst layer, a transition layer bonded to the active catalyst layer, and a backing layer bonded to the transition layer such that the transition layer is disposed between the active catalyst layer and the backing layer.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {Tue Jul 19 00:00:00 EDT 2016},
month = {Tue Jul 19 00:00:00 EDT 2016}
}

Patent:

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  • Lithium sulfur battery cells that use water as an electrolyte solvent provide significant cost reductions. Electrolytes for the battery cells may include water solvent for maintaining electroactive sulfur species in solution during cell discharge and a sufficient amount of a cycle life-enhancing compound that facilitates charging at the cathode. The combination of these two components enhances one or more of the following cell attributes: energy density, power density and cycle life. For instance, in applications where cost per Watt-Hour (Wh) is paramount, such as grid storage and traction applications, the use of an aqueous electrolyte in combination with inexpensive sulfurmore » as the cathode active material can be a key enabler for the utility and automotive industries, for example, providing a cost effective and compact solution for load leveling, electric vehicles and renewable energy storage. Sulfur cathodes, and methods of fabricating lithium sulfur cells, in particular for loading lithium sulfide into the cathode structures, provide further advantages.« less
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  • Alkali metal/sulfur battery cells, in which the cathodic current collector is a shaped article comprising an aluminum substrate coated with molybdenum, have longer service lives if the molybdenum is overcoated with a layer of molybdenum oxides comprising an outer portion consisting of MoO/sub 3/.
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