A perylene anhydride crystal as a reversible electrode for K-ion batteries

被引:138
|
作者
Xing, Zhenyu [1 ]
Jian, Zelang [1 ,3 ]
Luo, Wei [2 ]
Qi, Yitong [1 ]
Bommier, Clement [1 ]
Chong, Elliot S. [1 ]
Li, Zhifei [1 ]
Hu, Liangbing [2 ]
Ji, Xiulei [1 ]
机构
[1] Oregon State Univ, Dept Chem, Corvallis, OR 97331 USA
[2] Univ Maryland, Dept Mat Sci & Engn, College Pk, MD 20742 USA
[3] Nankai Univ, Key Lab Adv Energy Mat Chem, Minist Educ, Tianjin 300071, Peoples R China
关键词
K-ion batteries; Perylene anhydride; PTCDA; Reversibility; Amorphization;
D O I
10.1016/j.ensm.2015.12.001
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
We demonstrate that PTCDA is a promising cathode for K-ion batteries with a high capacity of 122 mAh/g at 20 mA/g and moderate rate and cycling performance. Upon potassiation, PTCDA crystals experience a high level of amorphization, while upon depotassiation, the crystal structure is partially restored, revealed ex situ XRD and IR. (C) 2015 Elsevier B.V. All rights reserved.
引用
收藏
页码:63 / 68
页数:6
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