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Plasma-induced epsilon-MnO2 based aqueous zinc-ion batteries and their dissolution-deposition mechanism
Zhang, Le1; Yang, Shuhua1; Fu, Wenqing1; Cui, Yanwei1; Wang, Jieqiang1; Zhao, Degang1; Yang, Chao2; Wang, Xiutong3,4; Cao, Bingqiang1,2
Corresponding AuthorYang, Shuhua(
AbstractMnO2 has attracted great interest in working as the cathode of zinc ion batteries. However, the development of high-capacity, high-energy-density, and durable manganese-based cathodes with an easy synthesis strategy and proper energy storage mechanism remains an ongoing challenge. Herein, a facile plasma-induced strategy was demonstrated to introduce oxygen vacancies into the epsilon-MnO2, and the obtained oxygen vacancies-rich epsilon-MnO2 nanosheets (epsilon-MnO2-x) show satisfactory electrochemical performances. Furthermore, an appropriate energy storage mechanism for dissolution/deposition was proposed. Thanks to a synergistic effect of the oxygen vacancies in epsilon-MnO2 nanosheets and the exposed free-standing collector for Mn2+ dissolution/deposition, the epsilon-MnO2-x nanosheets electrode delivers a remarkable capacity (337 mAh g(-1) at 0.1 A g(-1)) and exhibits an ultrahigh energy density of 462 Wh kg(-1) (based on the weights of the cathode active material). Furthermore, impressive durability with 85.9% capacity retention after 1000 cycles was obtained. The superior electrochemical performance makes the plasma-induced strategy promising for designing advanced metal oxide electrode materials for high-performance aqueous zinc ion batteries. (C) 2022 Published by Elsevier Ltd on behalf of The editorial office of Journal of Materials Science & Technology.
KeywordPlasma-induced strategy epsilon-MnO2 Oxygen vacancies Dissolution/deposition Zinc ion batteries
Indexed BySCI
Funding ProjectNSFC[51702123] ; NSFC[51472110] ; Shandong Province Higher Educational Youths Innovation Science and Technology Program[2019KJA018] ; University of Jinan Science and Technology Planning Project[XKY2034] ; University of Jinan
WOS Research AreaMaterials Science ; Metallurgy & Metallurgical Engineering
WOS SubjectMaterials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering
WOS IDWOS:000802185600001
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Document Type期刊论文
Corresponding AuthorYang, Shuhua
Affiliation1.Jinan Univ, Sch Mat Sci & Engn, Mat Ctr Energy & Photoelectrochem Convers, Jinan 250022, Peoples R China
2.Qufu Normal Univ, Sch Phys & Phys Engn, Qufu 273165, Shandong, Peoples R China
3.Chinese Acad Sci, Key Lab Marine Environm Corros & Biofouling, Inst Oceanol, Qingdao 266071, Peoples R China
4.Chinese Acad Sci, Ctr Ocean Mega Sci, Qingdao 266071, Peoples R China
Recommended Citation
GB/T 7714
Zhang, Le,Yang, Shuhua,Fu, Wenqing,et al. Plasma-induced epsilon-MnO2 based aqueous zinc-ion batteries and their dissolution-deposition mechanism[J]. JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY,2022,127:206-213.
APA Zhang, Le.,Yang, Shuhua.,Fu, Wenqing.,Cui, Yanwei.,Wang, Jieqiang.,...&Cao, Bingqiang.(2022).Plasma-induced epsilon-MnO2 based aqueous zinc-ion batteries and their dissolution-deposition mechanism.JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY,127,206-213.
MLA Zhang, Le,et al."Plasma-induced epsilon-MnO2 based aqueous zinc-ion batteries and their dissolution-deposition mechanism".JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY 127(2022):206-213.
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