JP2022048093A5 - - Google Patents

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Publication number
JP2022048093A5
JP2022048093A5 JP2021116187A JP2021116187A JP2022048093A5 JP 2022048093 A5 JP2022048093 A5 JP 2022048093A5 JP 2021116187 A JP2021116187 A JP 2021116187A JP 2021116187 A JP2021116187 A JP 2021116187A JP 2022048093 A5 JP2022048093 A5 JP 2022048093A5
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JP
Japan
Prior art keywords
orientation degree
polyolefin
microporous membrane
range
raman spectroscopy
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JP2021116187A
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English (en)
Japanese (ja)
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JP7721997B2 (ja
JP2022048093A (ja
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Publication of JP2022048093A5 publication Critical patent/JP2022048093A5/ja
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JP2021116187A 2020-09-14 2021-07-14 ポリオレフィン微多孔膜及び電池セパレータ Active JP7721997B2 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2020153530 2020-09-14
JP2020153530 2020-09-14

Publications (3)

Publication Number Publication Date
JP2022048093A JP2022048093A (ja) 2022-03-25
JP2022048093A5 true JP2022048093A5 (https=) 2024-06-27
JP7721997B2 JP7721997B2 (ja) 2025-08-13

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ID=80781251

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JP2021116187A Active JP7721997B2 (ja) 2020-09-14 2021-07-14 ポリオレフィン微多孔膜及び電池セパレータ

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JP (1) JP7721997B2 (https=)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7537197B2 (ja) * 2020-09-15 2024-08-21 東レ株式会社 ポリオレフィン微多孔膜、電池用セパレータ及び二次電池。
EP4001348A1 (en) * 2020-11-20 2022-05-25 Toray Industries, Inc. Polyolefin microporous membrane, battery separator, and secondary battery
WO2024011364A1 (zh) * 2022-07-11 2024-01-18 宁德时代新能源科技股份有限公司 聚烯烃基膜及其制备方法、隔膜、二次电池及用电装置
JP7718598B1 (ja) * 2023-09-27 2025-08-05 東レ株式会社 ポリオレフィン微多孔膜、電池用セパレータおよびリチウムイオン二次電池
CN118281486A (zh) * 2024-04-07 2024-07-02 上海恩捷新材料科技有限公司 低闭孔温度隔膜及其制备方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9289728B2 (en) * 2009-03-30 2016-03-22 Toray Battery Separator Film Co., Ltd. Microporous membranes, methods for making such membranes, and the use of such membranes as battery separator film
JP6692619B2 (ja) * 2015-09-02 2020-05-13 旭化成株式会社 二次電池用セパレータ
WO2017115799A1 (ja) * 2015-12-28 2017-07-06 東レバッテリーセパレータフィルム株式会社 ポリオレフィン微多孔膜とその製造方法、積層ポリオレフィン微多孔膜、ロール及びポリオレフィン微多孔膜の評価方法
EP3366708B1 (en) * 2016-11-08 2024-01-24 Asahi Kasei Kabushiki Kaisha Ethylene polymer, stretch-formed object, and microporous film
TW201940528A (zh) * 2018-02-23 2019-10-16 日商東麗股份有限公司 多孔性聚烯烴薄膜

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