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Ultra-long-life and highly reversible Zn metal anodes enabled by a desolvation and deanionization interface layer dagger
Zhang, Xiaotan1; Li, Jiangxu2; Liu, Dongyan3; Liu, Mengke1; Zhou, Tiansheng1; Qi, Kaiwen1; Shi, Lei4,5; Zhu, Yongchun1; Qian, Yitai1
Corresponding AuthorZhu, Yongchun(ychzhu@ustc.edu.cn) ; Qian, Yitai(ytqian@ustc.edu.cn)
2021-03-17
Source PublicationENERGY & ENVIRONMENTAL SCIENCE
ISSN1754-5692
Pages10
AbstractThe zinc metal anode in aqueous zinc-ion batteries (AZIBs) is considerably impeded by uncontrollable dendrite growth and intricately water-induced corrosion, leading to low Coulombic efficiency (CE) and limited lifespan. Herein, a bifunctional cellulose nanowhisker-graphene (CNG) membrane was constructed to mitigate these problems. Experimental analysis and molecular dynamics simulation reveal that the CNG membrane, functioning as a desolvation layer to preclude H2O molecules encountering the Zn anode, retards the water-induced corrosion reaction. This CNG layer with negative surface charges can simultaneously generate a deanionization shock by spreading cations but screening anions to obtain redirected Zn deposition parallel to the (0002)(Zn) plane. Furthermore, the flexible and toughened CNG membrane could withstand a strong tensile force (8.54 N) and a great puncture force (0.10 N) to favorably accommodate the Zn anode surface fluctuation during plating/stripping. Accordingly, CNG/Zn anode delivers an enhanced CE (99.4%) and a longer cycle life (similar to 5500 h), over 27 times that of a bare Zn anode. A full MnO2/graphene-CNG/Zn battery exhibits a high discharge capacity (307 mA h g(-1)) and maintains a high capacity retention of 87.8% at 5C after 5000 cycles.
Funding OrganizationNational Key Research and Development Program of China ; National Natural Science Foundation of China
DOI10.1039/d0ee03898a
Indexed BySCI
Language英语
Funding ProjectNational Key Research and Development Program of China[2016YFB0901503] ; National Key Research and Development Program of China[2017YFA0206703] ; National Natural Science Foundation of China[21875238]
WOS Research AreaChemistry ; Energy & Fuels ; Engineering ; Environmental Sciences & Ecology
WOS SubjectChemistry, Multidisciplinary ; Energy & Fuels ; Engineering, Chemical ; Environmental Sciences
WOS IDWOS:000639550700001
PublisherROYAL SOC CHEMISTRY
Citation statistics
Cited Times:43[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/162365
Collection中国科学院金属研究所
Corresponding AuthorZhu, Yongchun; Qian, Yitai
Affiliation1.Univ Sci & Technol China, Dept Appl Chem, Hefei 230026, Peoples R China
2.Univ Sci & Technol China, Sch Mat Sci & Engn, Hefei 230026, Peoples R China
3.Chinese Acad Sci, Inst Met Res, Shenyang 110016, Peoples R China
4.Univ Sci & Technol China, Dept Chem, Hefei 230026, Peoples R China
5.Univ Sci & Technol China, Natl Lab Phys Sci Microscale, Hefei 230026, Peoples R China
Recommended Citation
GB/T 7714
Zhang, Xiaotan,Li, Jiangxu,Liu, Dongyan,et al. Ultra-long-life and highly reversible Zn metal anodes enabled by a desolvation and deanionization interface layer dagger[J]. ENERGY & ENVIRONMENTAL SCIENCE,2021:10.
APA Zhang, Xiaotan.,Li, Jiangxu.,Liu, Dongyan.,Liu, Mengke.,Zhou, Tiansheng.,...&Qian, Yitai.(2021).Ultra-long-life and highly reversible Zn metal anodes enabled by a desolvation and deanionization interface layer dagger.ENERGY & ENVIRONMENTAL SCIENCE,10.
MLA Zhang, Xiaotan,et al."Ultra-long-life and highly reversible Zn metal anodes enabled by a desolvation and deanionization interface layer dagger".ENERGY & ENVIRONMENTAL SCIENCE (2021):10.
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