期刊
CHEMISTRY LETTERS
卷 44, 期 12, 页码 1726-1728出版社
CHEMICAL SOC JAPAN
DOI: 10.1246/cl.150836
关键词
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资金
- JSPS [24550213]
- Strategic Key Technology Advancement Support Projects of METI
- Tokyo Institute of Technology Foundation Research and Educational Grants
- Grants-in-Aid for Scientific Research [24550213] Funding Source: KAKEN
Benzoquinone derivatives, which undergo reversible two-electron redox reactions, should afford high capacity as positive electrode materials for rechargeable batteries. Although some benzoquinones have been reported as cathode active materials, their low cycle-life performance is a drawback. We prepared benzoquinones bearing alkyl groups with various degrees of bulkiness to investigate the relationship between the steric effects of the substituents on the benzoquinone skeleton and the battery performance. The introduction of bulky substituents, especially a tert-butyl group, on the skeleton significantly improved the cyclability.
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