期刊
ACS ENERGY LETTERS
卷 3, 期 11, 页码 2761-2768出版社
AMER CHEMICAL SOC
DOI: 10.1021/acsenergylett.8b01675
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资金
- National Natural Science Foundation of China [51522211, 51602339, 51703241, U1710122]
- Key Research Program of Frontier Science of Chinese Academy of Sciences [QYZDB-SSW-SLH031]
- Thousand Youth Talents Plan
- Postdoctoral Foundation of China [2016M601905, 2017M621855]
- Natural Science Foundation of Jiangsu Province, China [BK20160399]
- Postdoctoral Foundation of Jiangsu Province [1601065B]
- Science and Technology Project of Nanchang [2017-SJSYS-008]
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/cm(2) 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.
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