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Rational Design of Li-Wicking Hosts for Ultrafast Fabrication of Flexible and Stable Lithium Metal Anodes
Chang, Jian1; Hu, Hong1; Shang, Jian1; Fang, Ruopian2,3; Shou, Dahua1; Xie, Chuan1; Gao, Yuan1; Yang, Yu1; Zhuang, Qiu Na1; Lu, Xi1; Zhang, Yao Kang1; Li, Feng2; Zheng, Zijian1,4,5
Corresponding AuthorZheng, Zijian(tczzheng@polyu.edu.hk)
2021-11-05
Source PublicationSMALL
ISSN1613-6810
Pages11
AbstractThe ever-increasing development of flexible and wearable electronics has imposed unprecedented demand on flexible batteries of high energy density and excellent mechanical stability. Rechargeable lithium (Li) metal battery shows great advantages in terms of its high theoretical energy density. However, the use of Li metal anode for flexible batteries faces huge challenges in terms of its undesirable dendrite growth, poor mechanical flexibility, and slow fabrication speed. Here, a highly scalable Li-wicking strategy is reported that allows ultrafast fabrication of mechanically flexible and electrochemically stable Li metal anodes. Through the rational design of the interface and structure of the wicking host, the mean speed of Li-wicking reaches 10 m(2) min(-1), which is 1000 to 100 000 fold faster than the reported electrochemical deposition or thermal infusion methods and meets the industrial fabrication speed. Importantly, the Li-wicking process results in a unique 3D Li metal structure, which not only offers remarkable flexibility but also suppresses the dendrite formation. Paring the Li metal anode with lithium-iron phosphate or sulfur cathode yields flexible full cells that possess a high charging rate (8.0 mA cm(-2)), high energy density (300-380 Wh kg(-1)), long cycling stability (over 550 cycles), and excellent mechanical robustness (500 bending cycles).
Keywordflexible batteries interface lithium metal textile wicking
Funding OrganizationHong Kong Polytechnic University ; RGC/NSFC
DOI10.1002/smll.202105308
Indexed BySCI
Language英语
Funding ProjectHong Kong Polytechnic University[1-YW0Z] ; Hong Kong Polytechnic University[1-ZVK1] ; RGC/NSFC[N_PolyU528/16]
WOS Research AreaChemistry ; Science & Technology - Other Topics ; Materials Science ; Physics
WOS SubjectChemistry, Multidisciplinary ; Chemistry, Physical ; Nanoscience & Nanotechnology ; Materials Science, Multidisciplinary ; Physics, Applied ; Physics, Condensed Matter
WOS IDWOS:000714790000001
PublisherWILEY-V C H VERLAG GMBH
Citation statistics
Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/167174
Collection中国科学院金属研究所
Corresponding AuthorZheng, Zijian
Affiliation1.Hong Kong Polytech Univ, Inst Text & Clothing, Lab Adv Interfacial Mat & Devices, Hong Kong, Peoples R China
2.Chinese Acad Sci, Inst Met Res, Shenyang Natl Lab Mat Sci, Shenyang 110016, Peoples R China
3.Univ New South Wales, Sch Chem Engn, Sydney, NSW 2052, Australia
4.Hong Kong Polytech Univ, Res Inst Smart Energy, Hong Kong, Peoples R China
5.Hong Kong Polytech Univ, Res Inst Intelligent Wearable Syst, Hong Kong, Peoples R China
Recommended Citation
GB/T 7714
Chang, Jian,Hu, Hong,Shang, Jian,et al. Rational Design of Li-Wicking Hosts for Ultrafast Fabrication of Flexible and Stable Lithium Metal Anodes[J]. SMALL,2021:11.
APA Chang, Jian.,Hu, Hong.,Shang, Jian.,Fang, Ruopian.,Shou, Dahua.,...&Zheng, Zijian.(2021).Rational Design of Li-Wicking Hosts for Ultrafast Fabrication of Flexible and Stable Lithium Metal Anodes.SMALL,11.
MLA Chang, Jian,et al."Rational Design of Li-Wicking Hosts for Ultrafast Fabrication of Flexible and Stable Lithium Metal Anodes".SMALL (2021):11.
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