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Rechargeable and highly stable Mn metal batteries based on organic electrolyte
Xincheng He1, Zipeng Li1, Run Tang1
1Guangdong Provincial Engineering Technology Research Centre for New Energy Materials and Devices, School of Materials and Energy, Guangdong University of Technology, Guangzhou, 510006, P. R. China. junliu23@gdut.edu.cn.
Abstract:
Mn metal batteries are rarely reported due to the lack of a stable electrolyte. Here, an N,N-dimethylformamide (DMF)-based organic electrolyte with stable Mn plating/stripping for over 500 h and high Coulombic efficiency (CE) for a Mn metal battery is presented. The battery-specifically composed of an electrolyte made of DMF and ethylenediamine (EDA), a cathode made of 3,4,9,10-perylenetetracarboxylicdiimide (PTCDI), and an anode made of Mn metal-displayed a specific capacity of 105 mA h g-1. These results indicated the effectiveness of our new method for preparing low-cost and highly stable secondary Mn ion batteries.
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