Synthesis and electrochemical characterization of a polyradical cathode material for rechargeable batteries

被引:0
|
作者
Iriyama, J [1 ]
Nakahara, K [1 ]
Iwasa, S [1 ]
Morioka, Y [1 ]
Suguro, M [1 ]
Satoh, M [1 ]
机构
[1] NEC Corp Ltd, Funct Mat Res Labs, Kawasaki, Kanagawa 2168555, Japan
关键词
organic radical; cathode; rechargeable battery; polymer;
D O I
暂无
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
We have developed the new energy storage system utilizing a radical redox reaction of poly (2,2,6-tetramethylpiperidinoxy methacrylate). PTMA. The coin-type cell with PTMA cathode demonstrates the charge capacity of is 72 Ah/kg, which corresponds to 65% of the theoretical capacity and the coulombic efficiency was 90% in first charge-discharge Cycle, The results indicate that the stable polyradical cathodes are promising materials due to their high charge utilization and the possibilities for the wide diversity of molecular design.
引用
收藏
页码:1256 / 1257
页数:2
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