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231226s2023 xx |||||o 00| ||eng c |
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|a 10.1021/acs.langmuir.3c01121
|2 doi
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|a pubmed24n1206.xml
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|a eng
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| 100 |
1 |
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|a Tang, Liping
|e verfasserin
|4 aut
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|a SIS-Based Electrostatic Spinning High-Safety Lithium-Ion Battery Separators
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|c 2023
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|a Text
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|a ƒaComputermedien
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|2 rdamedia
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|a ƒa Online-Ressource
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|a Date Revised 26.09.2023
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a As an important component, the properties of separators directly affect the capacity, life, and safety performance of lithium-ion batteries (LIBs). The high thermal stability and safety application value of the thermoplastic elastomer poly(styrene-b-isoprene-b-styrene) block copolymer (SIS) with different block ratios were explored to enhance the thermal stability and mechanical strength of the cross-linked polyacrylonitrile (PAN) membranes by vulcanization cross-linking and heat treatment. Among these membranes, the sample named the S/PAN/SIS-4019 separator was confirmed to be a self-closing separator that can cope with the thermal runaway, attributing to the continued fusion of the SIS soft and hard segments in the cross-linked structure under high-temperature heat treatment. Moreover, the tensile strength of S/PAN/SIS-4019 separator increased to 17.49 MPa, which was better than that of Celgard 2400, PAN, and other inlay separators. Using S/PAN/SIS-4019 as a battery separator, lithium-ion batteries showed a superior electrochemical performance compared to the usage of Celgard 2400. Owing to the stable pore structure and thermally protected self-shutdown mechanism, the overall properties of the obtained cross-linked separator were improved in terms of higher thermal stability, high ionic conductivity, and electrochemical properties
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|a Journal Article
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|a Lei, Zhiqiang
|e verfasserin
|4 aut
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|a Wu, Yankang
|e verfasserin
|4 aut
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|a Chen, Jian
|e verfasserin
|4 aut
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|a Jiao, Wei
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Langmuir : the ACS journal of surfaces and colloids
|d 1992
|g 39(2023), 38 vom: 26. Sept., Seite 13459-13465
|w (DE-627)NLM098181009
|x 1520-5827
|7 nnns
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| 773 |
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|g volume:39
|g year:2023
|g number:38
|g day:26
|g month:09
|g pages:13459-13465
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|u http://dx.doi.org/10.1021/acs.langmuir.3c01121
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