JP7243716B2 - 二次電池用セパレータ、熱可塑性樹脂造粒体、スラリー組成物、及びこれらの製造方法、並びに二次電池 - Google Patents

二次電池用セパレータ、熱可塑性樹脂造粒体、スラリー組成物、及びこれらの製造方法、並びに二次電池 Download PDF

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JP7243716B2
JP7243716B2 JP2020517404A JP2020517404A JP7243716B2 JP 7243716 B2 JP7243716 B2 JP 7243716B2 JP 2020517404 A JP2020517404 A JP 2020517404A JP 2020517404 A JP2020517404 A JP 2020517404A JP 7243716 B2 JP7243716 B2 JP 7243716B2
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thermoplastic resin
secondary battery
particles
granules
median diameter
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JPWO2020195988A5 (https=
JPWO2020195988A1 (https=
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浩一郎 眞鍋
哲夫 山下
健太郎 森
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Toray Industries Inc
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Toray Industries Inc
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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
    • H01M50/409—Separators, membranes or diaphragms characterised by the material
    • H01M50/443—Particulate material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B9/00—Making granules
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J3/00—Processes of treating or compounding macromolecular substances
    • C08J3/02—Making solutions, dispersions, lattices or gels by other methods than by solution, emulsion or suspension polymerisation techniques
    • C08J3/03—Making solutions, dispersions, lattices or gels by other methods than by solution, emulsion or suspension polymerisation techniques in aqueous media
    • C08J3/05—Making solutions, dispersions, lattices or gels by other methods than by solution, emulsion or suspension polymerisation techniques in aqueous media from solid polymers
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J3/00—Processes of treating or compounding macromolecular substances
    • C08J3/12—Powdering or granulating
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
    • C08J9/36—After-treatment
    • C08J9/40—Impregnation
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
    • H01M50/489—Separators, membranes, diaphragms or spacing elements inside the cells, characterised by their physical properties, e.g. swelling degree, hydrophilicity or shut down properties
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10—Energy storage using batteries

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Dispersion Chemistry (AREA)
  • Materials Engineering (AREA)
  • Cell Separators (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
JP2020517404A 2019-03-28 2020-03-13 二次電池用セパレータ、熱可塑性樹脂造粒体、スラリー組成物、及びこれらの製造方法、並びに二次電池 Active JP7243716B2 (ja)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
JP2019063264 2019-03-28
JP2019063264 2019-03-28
JP2019177758 2019-09-27
JP2019177758 2019-09-27
PCT/JP2020/011302 WO2020195988A1 (ja) 2019-03-28 2020-03-13 二次電池用セパレータ、熱可塑性樹脂造粒体、スラリー組成物、及びこれらの製造方法、並びに二次電池

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JPWO2020195988A1 JPWO2020195988A1 (https=) 2020-10-01
JPWO2020195988A5 JPWO2020195988A5 (https=) 2022-07-22
JP7243716B2 true JP7243716B2 (ja) 2023-03-22

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Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7446459B2 (ja) 2020-11-30 2024-03-08 寧徳時代新能源科技股▲分▼有限公司 セパレータ、その製造方法およびそれに関連する二次電池、電池モジュール、電池パックならびに装置
EP4109661B1 (en) * 2020-11-30 2024-05-01 Contemporary Amperex Technology Co., Limited Separator, preparation method therefor and related secondary battery, battery module, battery pack and device
EP4102636A4 (en) 2020-11-30 2023-05-31 Contemporary Amperex Technology Co., Limited SEPARATOR FOIL, SECONDARY BATTERY CONTAINING THIS, RELATED BATTERY MODULE, BATTERY PACK AND DEVICE
CN114175387B (zh) * 2021-03-31 2024-04-12 宁德新能源科技有限公司 一种隔离膜及包含该隔离膜的电化学装置和电子装置
JP2023174383A (ja) * 2022-05-27 2023-12-07 旭化成株式会社 蓄電デバイス用セパレータ及びこれを含む蓄電デバイス
JP2024034872A (ja) * 2022-09-01 2024-03-13 プライムアースＥｖエナジー株式会社 非水電解液二次電池の電極体及び非水電解液二次電池
CN119674446A (zh) * 2024-08-28 2025-03-21 宁德新能源科技有限公司 一种电化学装置和电子装置

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003012733A (ja) 2001-06-27 2003-01-15 Nippon Shokubai Co Ltd 耐光性に優れたスチレン系微粒子集合体、該集合体を用いた光拡散剤および該集合体の製造方法
JP2010013534A (ja) 2008-07-02 2010-01-21 Mitsubishi Rayon Co Ltd アクリル系多段階重合体の粉体の製造方法、メタクリル系樹脂組成物及び成形品
CN104600233A (zh) 2015-02-04 2015-05-06 厦门大学 一种热关断复合隔膜及其应用

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003012733A (ja) 2001-06-27 2003-01-15 Nippon Shokubai Co Ltd 耐光性に優れたスチレン系微粒子集合体、該集合体を用いた光拡散剤および該集合体の製造方法
JP2010013534A (ja) 2008-07-02 2010-01-21 Mitsubishi Rayon Co Ltd アクリル系多段階重合体の粉体の製造方法、メタクリル系樹脂組成物及び成形品
CN104600233A (zh) 2015-02-04 2015-05-06 厦门大学 一种热关断复合隔膜及其应用

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