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无机涂层改善锂离子电池聚烯烃隔膜性能研究
Authors
朱永平
王学营
赵丽利
Publication date
1 January 2013
Publisher
Abstract
为了提高锂离子电池用聚烯烃微孔膜的综合性能, 在商用Celgard膜表面涂布ZrO_2无机涂层, 粘结剂选用电池用聚偏氟乙烯。对比分析涂覆前后的隔膜发现, ZrO_2涂层可以显著提高Celgard膜的热尺寸稳定性和热熔化温度, 对提高锂离子电池安全性起到积极作用。同时无机涂层还能明显改善隔膜对电解液的浸润性, 复合隔膜具有更好的保液能力, 以涂有ZrO_2涂层的Celgard膜作为隔膜组装锂离子电池,可以显著提高长期充放电循环时电池容量保持率
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Institutional Repository of Institute of Process Engineering, CAS (IPE-IR)
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oai:ir.ipe.ac.cn:122111/34397
Last time updated on 05/12/2019
Institutional Repository of Institute of Process Engineering, CAS (IPE-IR)
See this paper in CORE
Go to the repository landing page
Download from data provider
oai:ir.ipe.ac.cn:122111/34399
Last time updated on 05/12/2019