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Title: Pushing up lithium storage through nanostructured polyazaacene analogues as anode
Authors: Wu, Jiansheng
Rui, Xianhong
Long, Guankui
Chen, Wangqiao
Yan, Qingyu
Zhang, Qichun
Keywords: DRNTU::Engineering::Materials::Energy materials
Issue Date: 2015
Source: Wu, J., Rui, X., Long, G., Chen, W., Yan, Q., & Zhang, Q. (2015). Pushing up lithium storage through nanostructured polyazaacene analogues as anode. Angewandte chemie International edition, 54(25), 7354-7358.
Series/Report no.: Angewandte chemie International edition
Abstract: According to the evidence from both theoretical calculations and experimental findings, conjugated ladder polymers containing large π-conjugated structure, a high number of nitrogen heteroatoms, and a multiring aromatic system, could be an ideal organic anode candidate for lithium-ion batteries (LIBs). In this report, we demonstrated that the nanostructured polyazaacene analogue poly(1,6-dihydropyrazino[2,3g]quinoxaline-2,3,8-triyl-7-(2H)-ylidene-7,8-dimethylidene) (PQL) shows high performance as anode materials in LIBs: high capacity (1750 mAh g−1, 0.05C), good rate performance (303 mAh g−1, 5C), and excellent cycle life (1000 cycles), especially at high temperature of 50 °C. Our results suggest nanostructured conjugated ladder polymers could be alternative electrode materials for the practical application of LIBs.
ISSN: 1433-7851
DOI: 10.1002/anie.201503072
Rights: © 2015 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.
Fulltext Permission: none
Fulltext Availability: No Fulltext
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