A flexible, electrochromic, rechargeable Zn//PPy battery with a short circuit chromatic warning function

被引:158
作者
Wang, Jiaqi [1 ,2 ]
Liu, Jie [1 ,2 ]
Hu, Mengmeng [1 ,2 ]
Zeng, Jie [1 ]
Mu, Yongbiao [1 ]
Guo, Ya [1 ]
Yu, Jie [1 ]
Ma, Xing [1 ]
Qiu, Yejun [1 ]
Huang, Yan [1 ,2 ,3 ]
机构
[1] Harbin Inst Technol Shenzhen, Sch Mat Sci & Engn, Shenzhen 518055, Peoples R China
[2] Harbin Inst Technol Shenzhen, Ctr Flexible & Printable Elect, Shenzhen 518055, Peoples R China
[3] Harbin Inst Technol Shenzhen, State Key Lab Adv Welding & Joining, Shenzhen 518055, Peoples R China
关键词
ENERGY-STORAGE; LITHIUM BATTERY; ION BATTERIES; HIGH-CAPACITY; SUPERCAPACITOR; POLYPYRROLE; CATHODE; OXIDE; PERFORMANCE; CARBON;
D O I
10.1039/c8ta03143f
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
A rechargeable battery with both flexibility and electrochromism integrated into a single apparatus is a major component for smart flexible electronics. However, suitable electrode materials with electrochromic properties are still being searched for. Here, for the first time to the best of our knowledge, we realize a flexible, electrochromic and rechargeable battery by successfully matching electrochromic polypyrrole (PPy, as cathode) with zinc (Zn, as anode). The fabricated rechargeable Zn//PPy battery delivers a high capacity of 123 mAh g(PPy)(-1). It possesses flexibility and an electrochromic capability of turning from black to yellow when the voltage changes from 1.2 to 0 V. Therefore, the battery exhibits a unique function of a short circuit chromatic warning which turns yellow at 0 V. Our battery, uniquely combined with these multiple smart features, represents solid progress in smart flexible electronics.
引用
收藏
页码:11113 / 11118
页数:6
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