An organic/inorganic electrode-based hydronium-ion battery

被引:194
作者
Guo, Zhaowei [1 ,2 ]
Huang, Jianhang [1 ,2 ]
Dong, Xiaoli [1 ,2 ]
Xia, Yongyao [1 ,2 ]
Yan, Lei [1 ,2 ]
Wang, Zhuo [1 ,2 ]
Wang, Yonggang [1 ,2 ]
机构
[1] Fudan Univ, Dept Chem, Inst New Energy, IChEM Collaborat Innovat Ctr Chem Energy Mat, Shanghai 200433, Peoples R China
[2] Fudan Univ, Shanghai Key Lab Mol Catalysis & Innovat Mat, Inst New Energy, IChEM Collaborat Innovat Ctr Chem Energy Mat, Shanghai 200433, Peoples R China
基金
中国国家自然科学基金;
关键词
ENERGY-STORAGE;
D O I
10.1038/s41467-020-14748-5
中图分类号
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号
07 ; 0710 ; 09 ;
摘要
Hydronium-ion batteries are regarded as one of the most promising energy technologies as next-generation power sources, benefiting from their cost effectivity and sustainability merits. Herein, we propose a hydronium-ion battery which is based on an organic pyrene-4,5,9,10-tetraone anode and an inorganic MnO2@graphite felt cathode in an acid electrolyte. Its operation involves a quinone/hydroquinone redox reaction on anode and a MnO2/Mn2+ conversion reaction on cathode, in parallel with the transfer of H3O+ between two electrodes. The distinct operation mechanism affords this hydronium-ion battery an energy density up to 132.6Whkg(-1) and a supercapacitor-comparable power density of 30.8kWkg(-1), along with a long-term cycling life over 5000 cycles. Furthermore, surprisingly, this hydronium-ion battery works well even with a frozen electrolyte under -40 degrees C, and superior rate performance and cycle stability remain at -70 degrees C. The authors show a hydronium-ion battery with an organic pyrene-4,5,9,10-tetraone anode and a MnO2@graphite cathode and H3O+ as the charge carrier. In addition to exhibiting promising energy density and power density, this battery works well even under low temperatures ranging from -40 degrees C to -70 degrees C.
引用
收藏
页数:9
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