WO2019031688A1 - Matériau de gainage pour batterie secondaire et batterie secondaire le comprenant - Google Patents

Matériau de gainage pour batterie secondaire et batterie secondaire le comprenant Download PDF

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Publication number
WO2019031688A1
WO2019031688A1 PCT/KR2018/005201 KR2018005201W WO2019031688A1 WO 2019031688 A1 WO2019031688 A1 WO 2019031688A1 KR 2018005201 W KR2018005201 W KR 2018005201W WO 2019031688 A1 WO2019031688 A1 WO 2019031688A1
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WO
WIPO (PCT)
Prior art keywords
layer
thin film
film layer
secondary battery
thickness
Prior art date
Application number
PCT/KR2018/005201
Other languages
English (en)
Korean (ko)
Inventor
이정두
박선일
신동현
양정엽
Original Assignee
삼성에스디아이 주식회사
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 삼성에스디아이 주식회사 filed Critical 삼성에스디아이 주식회사
Publication of WO2019031688A1 publication Critical patent/WO2019031688A1/fr

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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
    • H01M50/10—Primary casings; Jackets or wrappings
    • H01M50/102—Primary casings; Jackets or wrappings characterised by their shape or physical structure
    • H01M50/105—Pouches or flexible bags
    • 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
    • H01M50/10—Primary casings; Jackets or wrappings
    • H01M50/116—Primary casings; Jackets or wrappings characterised by the material
    • H01M50/124—Primary casings; Jackets or wrappings characterised by the material having a layered structure
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B15/00—Layered products comprising a layer of metal
    • B32B15/04—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B15/08—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B15/00—Layered products comprising a layer of metal
    • B32B15/18—Layered products comprising a layer of metal comprising iron or steel
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B15/00—Layered products comprising a layer of metal
    • B32B15/20—Layered products comprising a layer of metal comprising aluminium or copper
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
    • B32B7/04—Interconnection of layers
    • B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/05—Accumulators with non-aqueous electrolyte
    • H01M10/052—Li-accumulators
    • 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
    • H01M50/10—Primary casings; Jackets or wrappings
    • H01M50/116—Primary casings; Jackets or wrappings characterised by the material
    • H01M50/117—Inorganic material
    • H01M50/119—Metals
    • 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
    • H01M50/10—Primary casings; Jackets or wrappings
    • H01M50/116—Primary casings; Jackets or wrappings characterised by the material
    • H01M50/121—Organic material
    • 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
    • H01M50/10—Primary casings; Jackets or wrappings
    • H01M50/116—Primary casings; Jackets or wrappings characterised by the material
    • H01M50/124—Primary casings; Jackets or wrappings characterised by the material having a layered structure
    • H01M50/126—Primary casings; Jackets or wrappings characterised by the material having a layered structure comprising three or more layers
    • 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
    • H01M50/10—Primary casings; Jackets or wrappings
    • H01M50/131—Primary casings; Jackets or wrappings characterised by physical properties, e.g. gas permeability, size or heat resistance
    • H01M50/133—Thickness
    • 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
    • H01M50/10—Primary casings; Jackets or wrappings
    • H01M50/14—Primary casings; Jackets or wrappings for protecting against damage caused by external factors
    • H01M50/141—Primary casings; Jackets or wrappings for protecting against damage caused by external factors for protecting against humidity
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2457/00—Electrical equipment
    • B32B2457/10—Batteries
    • 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

Definitions

  • the conventional pouch-type case includes a moisture barrier metal layer having a certain thickness or more, And the flexibility of the secondary battery is deteriorated.
  • the thickness ratio (metal layer: metal oxide layer) of the metal layer and the metal oxide layer may be in the range of 1: 1 to 5: 1.
  • the ratio of the thicknesses of the metal layer and the metal oxide layer satisfies the above-described numerical range, it is very advantageous in securing excellent moisture permeability and securing the flexibility of the outer shell for the secondary battery.
  • the ratio of the thickness of the first polymer substrate 31 and the thickness of the first thin film layer 41 is 10: 1 to 500: 1, more specifically, 10: 1 To 50: 1.
  • the thickness of the first polymer base material 31 and the thickness of the first thin film layer 41 satisfy the above range, the forming characteristics are excellent.
  • the outer casing 131 may further include a functional protective layer 60 disposed between the first thin film layer 41 and the first adhesive layer 51. Referring to FIG.
  • the outer sheath 132 may further include an inner metal layer 80 disposed between the first thin film layer 41 and the first adhesive layer 51.
  • FIG 5 and 6 are cross-sectional views of a casing for a secondary battery according to an embodiment of the present disclosure.
  • the outer casing 135 for a secondary battery includes a second polymer substrate 32, a second thin film layer 42, a third adhesive layer 53, a first polymer substrate 31, a first thin film layer 41,
  • the second adhesive layer 52, the inner metal layer 80, the functional protective layer 60, the first adhesive layer 51, and the inner resin layer 70 may be sequentially stacked.
  • the energy density of the lithium secondary battery is approximately 1.6% to 3.2% .
  • the thin film layer includes a thin film layer having a thickness in the range of 0.01% to 0.001% based on the total thickness of the facing material as in the embodiment of the present invention, wherein the thin film layer is composed of a metal layer and a metal oxide layer 1 to 4, it can be confirmed that the laminate according to Comparative Example 1, which includes the thin film layer made of only the metal layer, is very excellent in the moisture permeability. While the present invention has been described in connection with what is presently considered to be practical exemplary embodiments, it is to be understood that the invention is not limited to the disclosed embodiments, but, on the contrary, And all changes to the scope that are deemed to be valid.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Inorganic Chemistry (AREA)
  • Sealing Battery Cases Or Jackets (AREA)

Abstract

La présente invention concerne un matériau de gainage pour une batterie secondaire et une batterie secondaire le comprenant, le matériau de gainage comprenant : une première couche de film mince ; un premier substrat polymère placé sur une première surface de la première couche de film mince ; une couche de résine interne placée sur une seconde surface de la première couche de film mince ; et une première couche adhésive disposée entre la première couche de film mince et la couche de résine interne de manière à faire adhérer la première couche de film mince à la couche de résine interne, la première couche de film mince ayant une épaisseur allant de 0,001 % à 0,5 % de l'épaisseur totale du matériau de gainage pour une batterie secondaire, et comprenant une couche métallique et une couche d'oxyde métallique.
PCT/KR2018/005201 2017-08-09 2018-05-04 Matériau de gainage pour batterie secondaire et batterie secondaire le comprenant WO2019031688A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR10-2017-0101223 2017-08-09
KR1020170101223A KR102504794B1 (ko) 2017-08-09 2017-08-09 이차 전지용 외장재 및 이를 포함하는 이차 전지

Publications (1)

Publication Number Publication Date
WO2019031688A1 true WO2019031688A1 (fr) 2019-02-14

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Application Number Title Priority Date Filing Date
PCT/KR2018/005201 WO2019031688A1 (fr) 2017-08-09 2018-05-04 Matériau de gainage pour batterie secondaire et batterie secondaire le comprenant

Country Status (2)

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KR (1) KR102504794B1 (fr)
WO (1) WO2019031688A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102382567B1 (ko) * 2020-04-29 2022-04-04 충북대학교 산학협력단 산소차단성이 증대된 이차전지용 포장재, 이의 표면처리방법, 및 이를 포함하는 파우치형 이차전지
KR102608341B1 (ko) * 2020-12-28 2023-12-01 주식회사 리베스트 외장재 및 외장재를 이용한 배터리

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050112461A1 (en) * 2001-03-01 2005-05-26 The University Of Chicago Packaging for primary and secondary batteries
KR20090056211A (ko) * 2007-11-30 2009-06-03 주식회사 엘지화학 이차전지용 파우치 외장재 및 파우치형 이차전지
KR20090076279A (ko) * 2008-01-08 2009-07-13 주식회사 엘지화학 이차전지용 파우치 포장재 및 파우치형 이차전지
KR20130005886A (ko) * 2011-07-07 2013-01-16 주식회사 엘지화학 우수한 내구성의 전지케이스 및 이를 포함하는 이차전지
KR20130118867A (ko) * 2010-10-14 2013-10-30 도판 인사츠 가부시키가이샤 리튬 이온 전지용 외장재

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050112461A1 (en) * 2001-03-01 2005-05-26 The University Of Chicago Packaging for primary and secondary batteries
KR20090056211A (ko) * 2007-11-30 2009-06-03 주식회사 엘지화학 이차전지용 파우치 외장재 및 파우치형 이차전지
KR20090076279A (ko) * 2008-01-08 2009-07-13 주식회사 엘지화학 이차전지용 파우치 포장재 및 파우치형 이차전지
KR20130118867A (ko) * 2010-10-14 2013-10-30 도판 인사츠 가부시키가이샤 리튬 이온 전지용 외장재
KR20130005886A (ko) * 2011-07-07 2013-01-16 주식회사 엘지화학 우수한 내구성의 전지케이스 및 이를 포함하는 이차전지

Also Published As

Publication number Publication date
KR102504794B1 (ko) 2023-02-27
KR20190016808A (ko) 2019-02-19

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