Journal
TRANSACTIONS OF NONFERROUS METALS SOCIETY OF CHINA
Volume 30, Issue 7, Pages 1904-1915Publisher
ELSEVIER
DOI: 10.1016/S1003-6326(20)65349-3
Keywords
lithium-ion battery; manganese oxide; anode material; pseudocapacitive behavior; synergistic effect
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Funding
- Natural Science Foundation of Hunan Province, China [2018JJ2513]
- Education Bureau Research Foundation of Hunan Province, China [18A378]
- Emerging Strategic Industrial Science and Technology Project of Hunan Province, China [2019GK4012]
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To improve rate and cycling performance of manganese oxide anode material, a precipitation method was combined with thermal annealing to prepare the MnO/Mn3O4/SeOx (x=0,2) hybrid anode by controlling the reaction temperature of Mn2O3 and Se powders. At 3 A/g, the synthesized MnO/Mn3O4/SeOx anode delivers a discharge capacity of 1007 mA.h/g after 560 cycles. A cyclic voltammetry quantitative analysis reveals that 89.5% pseudocapacitive contribution is gained at a scanning rate of 2.0 mV/s, and the test results show that there is a significant synergistic effect between MnO and Mn3O4 phases.
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