期刊
BULLETIN OF THE CHEMICAL SOCIETY OF JAPAN
卷 90, 期 12, 页码 1382-1387出版社
CHEMICAL SOC JAPAN
DOI: 10.1246/bcsj.20170247
关键词
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资金
- Ministry of Education, Culture, Sports, Science, and Technology (MEXT)
- JSPS Core-to-Core Program, A. Advanced Research Networks
- Grants-in-Aid for Scientific Research [16H06353] Funding Source: KAKEN
By introducing catalyst- and solvent-free graft polymerization of low cost and environmentally benign sulfur to the nano-channels of an imine-linked covalent organic framework (COF), we demonstrated our strategy for functionalization of a conventional COF to yield a redox-active covalent organic framework-graft-polysulfide (COF-graft-PS), which can be utilized as a cathode active material in rechargeable lithium organic batteries. The COF-graft-PS-based batteries showed high capacity (425 mA h g(-1) at a rate of 250 mA g(-1)), excellent rate capability, and good cycling performance over 500 cycles. The design characteristics and synthetic strategy open new possibilities for the preparation of alternative, sustainable, high-performance rechargeable lithium batteries by using abundant and cost-effective materials.
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