纳米线
材料科学
水溶液
电池(电)
有机自由基电池
阴极
储能
电化学
纳米技术
化学工程
化学
电极
有机化学
工程类
物理化学
功率(物理)
物理
量子力学
作者
Chaowei Li,Qichong Zhang,Juan Sun,Taotao Li,E Songfeng,Zezhou Zhu,Bing He,Zhenyu Zhou,Qiulong Li,Yagang Yao
出处
期刊:ACS energy letters
[American Chemical Society]
日期:2018-10-17
卷期号:3 (11): 2761-2768
被引量:135
标识
DOI:10.1021/acsenergylett.8b01675
摘要
Silver–zinc (Ag–Zn) batteries are one of the promising aqueous batteries to collect and store solar energy with high energy density, a stable output voltage, and being environmentally benign, but most Ag–Zn batteries have large contact resistance caused by polymer binders and conductive additives, thus leading to their low specific capacity and rate performance. As a proof-of-concept demonstration, we constructed a solar charged planar flexible quasi-solid-state aqueous rechargeable Ag–Zn battery using metal–organic framework (MOF)-derived Ag nanowires on carbon cloth as a binder-free cathode. Our electrochemical results show that the as-fabricated Ag–Zn battery has a remarkable energy density of 1.87 mWh/cm2 because MOF-derived Ag nanowires can provide abundant reaction sites and short electron and ion diffusion paths. Moreover, the as-fabricated Ag–Zn battery integrated with a solar cell can be charged by sunlight. Thus, our findings pave an avenue to develop solar energy-powered portable and wearable electronic devices.
科研通智能强力驱动
Strongly Powered by AbleSci AI