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Title: V.sub.2O.sub.5 electrodes with high power and energy densities

Abstract

Methods are provided for forming films of orthorhombic V.sub.2O.sub.5. Additionally provided are the orthorhombic V.sub.2O.sub.5 films themselves, as well as batteries incorporating the films as cathode materials. The methods use electrodeposition from a precursor solution to form a V.sub.2O.sub.5 sol gel on a substrate. The V.sub.2O.sub.5 gel can be annealed to provide an orthorhombic V.sub.2O.sub.5 film on the substrate. The V.sub.2O.sub.5 film can be freestanding such that it can be removed from the substrate and integrated without binders or conductive filler into a battery as a cathode element. Due to the improved intercalation properties of the orthorhombic V.sub.2O.sub.5 films, batteries formed using the V.sub.2O.sub.5 films have extraordinarily high energy density, power density, and capacity.

Inventors:
;
Issue Date:
Research Org.:
Pacific Northwest National Lab. (PNNL), Richland, WA (United States)
Sponsoring Org.:
USDOE
OSTI Identifier:
1334529
Patent Number(s):
9,515,310
Application Number:
13/863,066
Assignee:
University of Washington through its Center for Commercialization (Seattle, WA)
DOE Contract Number:  
AC05-76RL01830
Resource Type:
Patent
Resource Relation:
Patent File Date: 2013 Apr 15
Country of Publication:
United States
Language:
English
Subject:
36 MATERIALS SCIENCE; 25 ENERGY STORAGE

Citation Formats

Cao, Guozhong, and Liu, Yanyi. V.sub.2O.sub.5 electrodes with high power and energy densities. United States: N. p., 2016. Web.
Cao, Guozhong, & Liu, Yanyi. V.sub.2O.sub.5 electrodes with high power and energy densities. United States.
Cao, Guozhong, and Liu, Yanyi. Tue . "V.sub.2O.sub.5 electrodes with high power and energy densities". United States. https://www.osti.gov/servlets/purl/1334529.
@article{osti_1334529,
title = {V.sub.2O.sub.5 electrodes with high power and energy densities},
author = {Cao, Guozhong and Liu, Yanyi},
abstractNote = {Methods are provided for forming films of orthorhombic V.sub.2O.sub.5. Additionally provided are the orthorhombic V.sub.2O.sub.5 films themselves, as well as batteries incorporating the films as cathode materials. The methods use electrodeposition from a precursor solution to form a V.sub.2O.sub.5 sol gel on a substrate. The V.sub.2O.sub.5 gel can be annealed to provide an orthorhombic V.sub.2O.sub.5 film on the substrate. The V.sub.2O.sub.5 film can be freestanding such that it can be removed from the substrate and integrated without binders or conductive filler into a battery as a cathode element. Due to the improved intercalation properties of the orthorhombic V.sub.2O.sub.5 films, batteries formed using the V.sub.2O.sub.5 films have extraordinarily high energy density, power density, and capacity.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {2016},
month = {12}
}

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