期刊
JOURNAL OF POWER SOURCES
卷 189, 期 1, 页码 230-239出版社
ELSEVIER
DOI: 10.1016/j.jpowsour.2008.09.052
关键词
Poly(2,5-dihydroxy-1,4-benzoquinone-3,6-methylene); Poly(3,4-ethylenedioxy-thiophene); Li ion battery
Redox behaviors of the poly(2,5-dihydroxy-1,4-benzoquinone-3,6-methylene) (PDBM)-coated electrodes composited with carbon black (CB) or poly(3,4-ethylenedioxy-thiophene) (PEDOT) are presented. Effects of PEDOT additive on the redox activity of PDBM were investigated to apply their composite materials as candidates of cathodes for rechargeable lithium batteries. The film having a PEDOT/PDBM with weight ratio of 1/1 shows a gravimetric capacity of 129 mAh g(-1) (corresponding to 188 mAh g(-1) for PDBM and 70 mAh g(-1) for PEDOT). The highest energy density observed was 140 mAh g(-1) (406 mWh g(-1)) for the composite cathode. Good cycle-ability over 100 cycles was attained with a PEDOT/PDBM composite cathode. (C) 2008 Elsevier B.V. All rights reserved.
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