Surface and bulk modified high capacity layered oxide cathodes with low irreversible capacity loss
Abstract
The present invention includes compositions, surface and bulk modifications, and methods of making of (1-x)Li[Li.sub.1/3Mn.sub.2/3]O.sub.2.xLi[Mn.sub.0.5-yNi.sub.0.5-yCo.sub.2- y]O.sub.2 cathode materials having an O3 crystal structure with a x value between 0 and 1 and y value between 0 and 0.5, reducing the irreversible capacity loss in the first cycle by surface modification with oxides and bulk modification with cationic and anionic substitutions, and increasing the reversible capacity to close to the theoretical value of insertion/extraction of one lithium per transition metal ion (250-300 mAh/g).
- Inventors:
-
- Austin, TX
- Issue Date:
- Research Org.:
- Board of Regents, The University of Texas Systems (Austin, TX)
- Sponsoring Org.:
- USDOE
- OSTI Identifier:
- 1014487
- Patent Number(s):
- 7678503
- Application Number:
- US Patent Application 11/861,248
- Assignee:
- Board of Regents, The University of Texas Systems (Austin, TX)
- 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 Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE Y02E - REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- DOE Contract Number:
- AC03-76SF00098
- Resource Type:
- Patent
- Country of Publication:
- United States
- Language:
- English
Citation Formats
Manthiram, Arumugam, and Wu, Yan. Surface and bulk modified high capacity layered oxide cathodes with low irreversible capacity loss. United States: N. p., 2010.
Web.
Manthiram, Arumugam, & Wu, Yan. Surface and bulk modified high capacity layered oxide cathodes with low irreversible capacity loss. United States.
Manthiram, Arumugam, and Wu, Yan. Tue .
"Surface and bulk modified high capacity layered oxide cathodes with low irreversible capacity loss". United States. https://www.osti.gov/servlets/purl/1014487.
@article{osti_1014487,
title = {Surface and bulk modified high capacity layered oxide cathodes with low irreversible capacity loss},
author = {Manthiram, Arumugam and Wu, Yan},
abstractNote = {The present invention includes compositions, surface and bulk modifications, and methods of making of (1-x)Li[Li.sub.1/3Mn.sub.2/3]O.sub.2.xLi[Mn.sub.0.5-yNi.sub.0.5-yCo.sub.2- y]O.sub.2 cathode materials having an O3 crystal structure with a x value between 0 and 1 and y value between 0 and 0.5, reducing the irreversible capacity loss in the first cycle by surface modification with oxides and bulk modification with cationic and anionic substitutions, and increasing the reversible capacity to close to the theoretical value of insertion/extraction of one lithium per transition metal ion (250-300 mAh/g).},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {2010},
month = {3}
}
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