Cation-substituted spinel oxide and oxyfluoride cathodes for lithium ion batteries
Abstract
The present invention includes compositions and methods of making cation-substituted and fluorine-substituted spinel cathode compositions by firing a LiMn.sub.2-y-zLi.sub.yM.sub.zO.sub.4 oxide with NH.sub.4HF.sub.2 at low temperatures of between about 300 and 700.degree. C. for 2 to 8 hours and a .eta. of more than 0 and less than about 0.50, mixed two-phase compositions consisting of a spinel cathode and a layered oxide cathode, and coupling them with unmodified or surface modified graphite anodes in lithium ion cells.
- Inventors:
- Issue Date:
- Research Org.:
- Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States)
- Sponsoring Org.:
- USDOE
- OSTI Identifier:
- 1131317
- Patent Number(s):
- 8,722,246
- Application Number:
- 12/752,779
- Assignee:
- Board of Regents, The University of Texas System (Austin, TX) OAK
- DOE Contract Number:
- AC03-765F00098
- Resource Type:
- Patent
- Resource Relation:
- Patent File Date: 2010 Apr 01
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 25 ENERGY STORAGE
Citation Formats
Manthiram, Arumugam, and Choi, Wongchang. Cation-substituted spinel oxide and oxyfluoride cathodes for lithium ion batteries. United States: N. p., 2014.
Web.
Manthiram, Arumugam, & Choi, Wongchang. Cation-substituted spinel oxide and oxyfluoride cathodes for lithium ion batteries. United States.
Manthiram, Arumugam, and Choi, Wongchang. Tue .
"Cation-substituted spinel oxide and oxyfluoride cathodes for lithium ion batteries". United States. https://www.osti.gov/servlets/purl/1131317.
@article{osti_1131317,
title = {Cation-substituted spinel oxide and oxyfluoride cathodes for lithium ion batteries},
author = {Manthiram, Arumugam and Choi, Wongchang},
abstractNote = {The present invention includes compositions and methods of making cation-substituted and fluorine-substituted spinel cathode compositions by firing a LiMn.sub.2-y-zLi.sub.yM.sub.zO.sub.4 oxide with NH.sub.4HF.sub.2 at low temperatures of between about 300 and 700.degree. C. for 2 to 8 hours and a .eta. of more than 0 and less than about 0.50, mixed two-phase compositions consisting of a spinel cathode and a layered oxide cathode, and coupling them with unmodified or surface modified graphite anodes in lithium ion cells.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {2014},
month = {5}
}
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