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Bi-Cation Electrolyte for a 1.7 V Aqueous Zn Ion Battery
Li, Na1; Li, Guoqing1; Li, Changji2; Yang, Huicong2; Qin, Gaowu1; Sun, Xudong1; Li, Feng2; Cheng, Hui-Ming2,3
Corresponding AuthorLi, Na(lina@mail.neu.edu.cn) ; Li, Feng(fli@imr.a.cn)
2020-03-25
Source PublicationACS APPLIED MATERIALS & INTERFACES
ISSN1944-8244
Volume12Issue:12Pages:13790-13796
AbstractRechargeable aqueous zinc-ion batteries (ZIBs) are receiving increased attention because of their high safety and low cost. However, their practical application is plagued by their low energy density as a result of low output voltage and a narrow voltage window of aqueous electrolytes. Here, we explored a ZIB with a wider potential window using bication (1 M Al(CF3SO3)(3)/1 M Zn(CF3SO3)(2)) as the electrolyte and alpha-MnO2 as the cathode, obtaining a discharge voltage of 1.7 V, similar to 0.3 V higher than the value reported earlier. The resultant cell delivers a record high energy density of 448 W h kg(-1) (based on MnO2 mass) and retains 100% capacity over 1000 cycles. The ion-storage mechanism and the role of Al3+ in enlarging the output voltage were elucidated. This research indicates the important role of using bications in improving the electrochemical performance of aqueous ZIBs, opening a new way to increase the energy density of aqueous energy storage devices.
KeywordZn-MnO2 battery bication electrolyte Al(CF3SO3)(3) high voltage high energy density
Funding OrganizationNational Natural Science Foundation of China ; Fundamental Research Funds for the Central Universities ; Bureau of Industry and Information Technology of Shenzhen for the 2017 Graphene Manufacturing Innovation Center Project
DOI10.1021/acsami.9b20531
Indexed BySCI
Language英语
Funding ProjectNational Natural Science Foundation of China[51602044] ; National Natural Science Foundation of China[51525206] ; Fundamental Research Funds for the Central Universities[N170205021] ; Bureau of Industry and Information Technology of Shenzhen for the 2017 Graphene Manufacturing Innovation Center Project[201901171523]
WOS Research AreaScience & Technology - Other Topics ; Materials Science
WOS SubjectNanoscience & Nanotechnology ; Materials Science, Multidisciplinary
WOS IDWOS:000526552100020
PublisherAMER CHEMICAL SOC
Citation statistics
Cited Times:18[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/138347
Collection中国科学院金属研究所
Corresponding AuthorLi, Na; Li, Feng
Affiliation1.Northeastern Univ, State Key Lab Rolling & Automat, Shenyang 110819, Peoples R China
2.Chinese Acad Sci, Shenyang Natl Lab Mat Sci, Inst Met Res, Shenyang 110016, Peoples R China
3.Tsinghua Univ, Shenzhen Geim Graphene Ctr, Tsinghua Berkeley Shenzhen Inst, Shenzhen 518055, Peoples R China
Recommended Citation
GB/T 7714
Li, Na,Li, Guoqing,Li, Changji,et al. Bi-Cation Electrolyte for a 1.7 V Aqueous Zn Ion Battery[J]. ACS APPLIED MATERIALS & INTERFACES,2020,12(12):13790-13796.
APA Li, Na.,Li, Guoqing.,Li, Changji.,Yang, Huicong.,Qin, Gaowu.,...&Cheng, Hui-Ming.(2020).Bi-Cation Electrolyte for a 1.7 V Aqueous Zn Ion Battery.ACS APPLIED MATERIALS & INTERFACES,12(12),13790-13796.
MLA Li, Na,et al."Bi-Cation Electrolyte for a 1.7 V Aqueous Zn Ion Battery".ACS APPLIED MATERIALS & INTERFACES 12.12(2020):13790-13796.
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