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Lithiophilic ZnO confined in microscale carbon cubes as a stable host for lithium metal anodes
Yu, Wan-Jing1; Liu, Fan1; Zhang, Lili2; Liu, Zhiyuan1; Wang, Sumei3; Tong, Hui1,4,5
Corresponding AuthorTong, Hui(huitong@csu.edu.cn)
2022-08-30
Source PublicationCARBON
ISSN0008-6223
Volume196Pages:92-101
AbstractThe high energy density metallic Li anode is a desired electrode candidate for commercial application in future. However, uncontrolled growth of Li dendrites can easily lead to thermal runaway and infinite volume changes. Herein, we propose the addition of lithiophilic ZnO filled into the microsized cubic carbon framework through in situ pyrolyzation of the multiwalled carbon nanotubes-implanted Zn-MOF (denoted as ZnO@C-MWCNTs) as the three-dimensional (3D) host for stable metallic Li anodes. The proposed 3D host with a high specific surface area can effectively accommodate the tremendous volume change of the metallic Li anodes. Meanwhile, this 3D host can prohibit the emergence of Li dendrites by adjusting the local current density. Lithiophilic ZnO, as the homogeneous nucleation site loaded in the 3D structure, can induce homogeneous Li deposition to form a stable Li metal composite electrode with a long cycling life. The 3D ZnO@C-MWCNTs host can hold a high Coulombic efficiency (CE) of 98.5% at 1.0 mA cm-2 and 1.0 mAh cm-2 for more than 240 cycles. Long lifespans of symmetric cells for 320 h at 2.0 mA cm-2 and 1.0 mAh cm-2 with a lower polarization (~28.0 mV) can be achieved.
KeywordZn-MOF Microscale carbon cube Lithiophilic ZnO Metallic Li anodes Homogeneous nucleation
Funding OrganizationNatural Science Foundation of Hunan Province ; Science and Technology Innovation Program of Hunan Province ; Fundamental Research Funds for Central Universities of the Central South University
DOI10.1016/j.carbon.2022.04.045
Indexed BySCI
Language英语
Funding ProjectNatural Science Foundation of Hunan Province[2019JJ50814] ; Science and Technology Innovation Program of Hunan Province[2020SK2007] ; Fundamental Research Funds for Central Universities of the Central South University[2021zzts0606]
WOS Research AreaChemistry ; Materials Science
WOS SubjectChemistry, Physical ; Materials Science, Multidisciplinary
WOS IDWOS:000804037300001
PublisherPERGAMON-ELSEVIER SCIENCE LTD
Citation statistics
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/174150
Collection中国科学院金属研究所
Corresponding AuthorTong, Hui
Affiliation1.Cent South Univ, Sch Met & Environm, Changsha 410083, Peoples R China
2.Chinese Acad Sci, Inst Met Res, 72 Wenhua Rd, Shenyang 110016, Peoples R China
3.Cent South Univ, Powder Met Inst, Changsha 410083, Peoples R China
4.Cent South Univ, Engn Res Ctr Minist Educ Adv Battery Mat, Changsha 410083, Peoples R China
5.Cent South Univ, Natl Engn Res Ctr Low Carbon Nonferrous Met, Changsha 410083, Peoples R China
Recommended Citation
GB/T 7714
Yu, Wan-Jing,Liu, Fan,Zhang, Lili,et al. Lithiophilic ZnO confined in microscale carbon cubes as a stable host for lithium metal anodes[J]. CARBON,2022,196:92-101.
APA Yu, Wan-Jing,Liu, Fan,Zhang, Lili,Liu, Zhiyuan,Wang, Sumei,&Tong, Hui.(2022).Lithiophilic ZnO confined in microscale carbon cubes as a stable host for lithium metal anodes.CARBON,196,92-101.
MLA Yu, Wan-Jing,et al."Lithiophilic ZnO confined in microscale carbon cubes as a stable host for lithium metal anodes".CARBON 196(2022):92-101.
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