Journal
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
Volume 132, Issue 39, Pages 13596-13597Publisher
AMER CHEMICAL SOC
DOI: 10.1021/ja106297a
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Funding
- Cabinet office, government of Japan
- Funding Program for World-Leading Innovative R&D on Science and Technology
- Ministry of Education, Culture, Sports, Science and Technology of Japan
- [19205027]
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A new pyrophosphate compound Li2FeP2O7 was synthesized by a conventional solid-state reaction, and its crystal structure was determined. Its reversible electrode operation at ca. 3.5 V vs Li was identified with the capacity of a one-electron theoretical value of 110 mAh g(-1) even for ca. 1 mu m particles without any special efforts such as nanosizing or carbon coating. Li2FeP2O7 and its derivatives should provide a new platform for related lithium battery electrode research and could be potential competitors to commercial olivine LiFePO4, which has been recognized as the most promising positive cathode for a lithium-ion battery system for large-scale applications, such as plug-in hybrid electric vehicles.
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