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A Graphite∥PTCDI Aqueous Dual-Ion Battery
Keun-Il Kim1, Longteng Tang1, Jesse M Muratli2
1Department of Chemistry, Oregon State University, Corvallis, Oregon, 97331-4003, United States.
Abstract:
A full cell chemistry of aqueous dual-ion battery (DIB) was reported, comprising the graphite cathode and 3,4,9,10-perylenetetracarboxylic diimide (PTCDI) as the anode. This DIB employed a mixture aqueous electrolyte: 5 m tributylmethylammonium (TBMA) chloride plus 5 m MgCl2 , where [MgCl3 ]- and TBMA+ serve as the charge carriers for cathode and anode of the DIB, respectively. This novel full cell exhibited a specific capacity of around 41 mAh g-1 based on the total active mass of both electrodes with an average operation voltage of 1.45 V and stable cycling for 400 cycles.
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