ICCAS OpenIR
A Dual-Salt Gel Polymer Electrolyte with 3D Cross-Linked Polymer Network for Dendrite-Free Lithium Metal Batteries
Fan, Wei1,2; Li, Nian-Wu1,2; Zhang, Xiuling1,2; Zhao, Shuyu3; Cao, Ran1,2; Yin, Yingying1,2; Xing, Yi3; Wang, Jiaona4,5; Guo, Yu-Guo6; Li, Congju1,2,3
2018-09-01
Source PublicationADVANCED SCIENCE
ISSN2198-3844
Volume5Issue:9
AbstractLithium metal batteries show great potential in energy storage because of their high energy density. Nevertheless, building a stable solid electrolyte interphase (SEI) and restraining the dendrite growth are difficult to realize with traditional liquid electrolytes. Solid and gel electrolytes are considered promising candidates to restrain the dendrites growth, while they are still limited by low ionic conductivity and incompatible interphases. Herein, a dual-salt (LiTFSI-LiPF6) gel polymer electrolyte (GPE) with 3D cross-linked polymer network is designed to address these issues. By introducing a dual salt in 3D structure fabricated using an in situ polymerization method, the 3D-GPE exhibits a high ionic conductivity (0.56 mS cm(-1) at room temperature) and builds a robust and conductive SEI on the lithium metal surface. Consequently, the Li metal batteries using 3D-GPE can markedly reduce the dendrite growth and achieve 87.93% capacity retention after cycling for 300 cycles. This work demonstrates a promising method to design electrolytes for lithium metal batteries.
KeywordCross-linked Polymers Gel Electrolytes Lithium Dendrites Lithium Metal Batteries
DOI10.1002/advs.201800559
Indexed BySCI
Language英语
WOS IDWOS:000444940600013
PublisherWILEY
Citation statistics
Cited Times:12[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.iccas.ac.cn/handle/121111/43052
Collection中国科学院化学研究所
Corresponding AuthorGuo, Yu-Guo; Li, Congju
Affiliation1.Chinese Acad Sci, Beijing Inst Nanoenergy & Nanosyst, Beijing 100083, Peoples R China
2.Univ Chinese Acad Sci, Sch Nanosci & Technol, Beijing 100049, Peoples R China
3.Univ Sci & Technol Beijing, Sch Energy & Environm Engn, Beijing 100083, Peoples R China
4.Beijing Inst Fash Technol, Sch Mat Sci & Engn, Beijing 100029, Peoples R China
5.Beijing Key Lab Clothing Mat R&D & Assessment, Beijing 100029, Peoples R China
6.Chinese Acad Sci, Inst Chem, CAS Key Lab Mol Nanostruct & Nanotechnol, CAS Res Educ Ctr Excellence Mol Sci, Beijing 100190, Peoples R China
Recommended Citation
GB/T 7714
Fan, Wei,Li, Nian-Wu,Zhang, Xiuling,et al. A Dual-Salt Gel Polymer Electrolyte with 3D Cross-Linked Polymer Network for Dendrite-Free Lithium Metal Batteries[J]. ADVANCED SCIENCE,2018,5(9).
APA Fan, Wei.,Li, Nian-Wu.,Zhang, Xiuling.,Zhao, Shuyu.,Cao, Ran.,...&Li, Congju.(2018).A Dual-Salt Gel Polymer Electrolyte with 3D Cross-Linked Polymer Network for Dendrite-Free Lithium Metal Batteries.ADVANCED SCIENCE,5(9).
MLA Fan, Wei,et al."A Dual-Salt Gel Polymer Electrolyte with 3D Cross-Linked Polymer Network for Dendrite-Free Lithium Metal Batteries".ADVANCED SCIENCE 5.9(2018).
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