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Organic-inorganic binary nanoparticle-based composite separators for high performance lithium-ion batteries
Xiao, Wei; Gong, Yaqun; Wang, Hong; Liu, Jianguo; Yan, Chuanwei
Corresponding AuthorXiao, Wei(wxiao@imr.ac.cn)
2016
Source PublicationNEW JOURNAL OF CHEMISTRY
ISSN1144-0546
Volume40Issue:10Pages:8778-8785
AbstractIn an effort to improve the thermal resistance and the electrochemical performances of separators for lithium-ion batteries, we demonstrate a facile approach to prepare a novel ZrO2/poly(vinylidene fluoride-co-hexafluoro-propylene) (PVdF-HFP) binary particle-coated polyethylene terephthalate (PET) nonwoven composite separator. In this approach, particle-shaped PVdF-HFP was used as a binder for the first time to attach ZrO2 particles to a PET nonwoven substrate by a solvent vapor-induced bonding process. This method can improve the microstructure and surface properties of the composite separator compared with the conventional film-shaped polymer binder. The electrolyte wettability, ionic conductivity and thermal stability of the ZrO2/PVdF-HFP composite separator are superior to those of commercially available microporous polyolefin separators due to the well-connected three-dimensional porous structure and the electrolyte-philic surface properties of the composite separator. As a result, the cells assembled with the composite separator exhibit better cell performance such as the discharge C-rate capability and cycling performance, compared with those assembled with polyolefin-based separators. Conspicuously, the improved performance of the ZrO2/PVdF-HFP separator indicates that binary particle-based composite separators could be potentially applied in next generation lithium-ion batteries.
Funding OrganizationNational Science Foundation of China
DOI10.1039/c6nj01786j
Indexed BySCI
Language英语
Funding ProjectNational Science Foundation of China[21306213] ; National Science Foundation of China[21373009]
WOS Research AreaChemistry
WOS SubjectChemistry, Multidisciplinary
WOS IDWOS:000384754300073
PublisherROYAL SOC CHEMISTRY
Citation statistics
Cited Times:10[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/122886
Collection中国科学院金属研究所
Corresponding AuthorXiao, Wei
AffiliationChinese Acad Sci, Inst Met Res, Lab Corros & Protect, Beijing 100864, Peoples R China
Recommended Citation
GB/T 7714
Xiao, Wei,Gong, Yaqun,Wang, Hong,et al. Organic-inorganic binary nanoparticle-based composite separators for high performance lithium-ion batteries[J]. NEW JOURNAL OF CHEMISTRY,2016,40(10):8778-8785.
APA Xiao, Wei,Gong, Yaqun,Wang, Hong,Liu, Jianguo,&Yan, Chuanwei.(2016).Organic-inorganic binary nanoparticle-based composite separators for high performance lithium-ion batteries.NEW JOURNAL OF CHEMISTRY,40(10),8778-8785.
MLA Xiao, Wei,et al."Organic-inorganic binary nanoparticle-based composite separators for high performance lithium-ion batteries".NEW JOURNAL OF CHEMISTRY 40.10(2016):8778-8785.
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