CN111684617A - 一种电池 - Google Patents

一种电池 Download PDF

Info

Publication number
CN111684617A
CN111684617A CN201880088675.2A CN201880088675A CN111684617A CN 111684617 A CN111684617 A CN 111684617A CN 201880088675 A CN201880088675 A CN 201880088675A CN 111684617 A CN111684617 A CN 111684617A
Authority
CN
China
Prior art keywords
battery
section
packaging film
segment
packaging
Prior art date
Legal status (The legal status 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 status listed.)
Granted
Application number
CN201880088675.2A
Other languages
English (en)
Other versions
CN111684617B (zh
Inventor
杨洪战
江静
曾巧
王可飞
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ningde Amperex Technology Ltd
Original Assignee
Ningde Amperex Technology Ltd
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 Ningde Amperex Technology Ltd filed Critical Ningde Amperex Technology Ltd
Publication of CN111684617A publication Critical patent/CN111684617A/zh
Application granted granted Critical
Publication of CN111684617B publication Critical patent/CN111684617B/zh
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • 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
    • H01M10/04—Construction or manufacture in general
    • H01M10/0436—Small-sized flat cells or batteries for portable equipment
    • 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
    • H01M10/04—Construction or manufacture in general
    • H01M10/0459—Cells or batteries with folded separator between plate-like electrodes
    • 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
    • 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
    • H01M50/129—Primary casings; Jackets or wrappings characterised by the material having a layered structure comprising three or more layers with two or more layers of only 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
    • H01M50/131—Primary casings; Jackets or wrappings characterised by physical properties, e.g. gas permeability, size or heat resistance
    • H01M50/136—Flexibility or foldability
    • 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
    • H01M50/172—Arrangements of electric connectors penetrating the casing
    • H01M50/174—Arrangements of electric connectors penetrating the casing adapted for the shape of the cells
    • H01M50/178—Arrangements of electric connectors penetrating the casing adapted for the shape of the cells for pouch or flexible bag cells
    • 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
    • H01M50/463—Separators, membranes or diaphragms characterised by their shape
    • 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
    • H01M50/50—Current conducting connections for cells or batteries
    • H01M50/543—Terminals
    • H01M50/547—Terminals characterised by the disposition of the terminals on the cells
    • H01M50/548—Terminals characterised by the disposition of the terminals on the cells on opposite sides of the cell
    • 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
    • H01M50/50—Current conducting connections for cells or batteries
    • H01M50/543—Terminals
    • H01M50/547—Terminals characterised by the disposition of the terminals on the cells
    • H01M50/55—Terminals characterised by the disposition of the terminals on the cells on the same side of the cell
    • 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
    • H01M50/50—Current conducting connections for cells or batteries
    • H01M50/543—Terminals
    • H01M50/552—Terminals characterised by their shape
    • H01M50/553—Terminals adapted for prismatic, pouch or rectangular cells
    • H01M50/557—Plate-shaped terminals
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31D—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER, NOT PROVIDED FOR IN SUBCLASSES B31B OR B31C
    • B31D1/00—Multiple-step processes for making flat articles ; Making flat articles
    • B31D1/02—Multiple-step processes for making flat articles ; Making flat articles the articles being labels or tags
    • B31D1/021—Making adhesive labels having a multilayered structure, e.g. provided on carrier webs
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M2220/00—Batteries for particular applications
    • H01M2220/30—Batteries in portable systems, e.g. mobile phone, laptop
    • 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
    • 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
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/50—Manufacturing or production processes characterised by the final manufactured product

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)
  • Secondary Cells (AREA)
  • Connection Of Batteries Or Terminals (AREA)

Abstract

本申请实施例公开了一种电池，以降低电池的体积，提高电池的能量密度，此外，还可以提高电池底部成型效果，以及电池的安全性能和使用寿命。该电池包括该电池包括电芯和封装电芯的包装膜，包装膜包括翻折部，翻折部包括与电芯端面贴合的第一段和与第一段连接的第二段，第一段设置于第二段和电芯之间，第二段包括多层包装膜。

Description

PCT国内申请，说明书已公开。

Claims (12)

  1. PCT国内申请，权利要求书已公开。
CN201880088675.2A 2018-04-12 2018-04-12 一种电池 Active CN111684617B (zh)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2018/082885 WO2019196073A1 (zh) 2018-04-12 2018-04-12 一种电池

Publications (2)

Publication Number Publication Date
CN111684617A true CN111684617A (zh) 2020-09-18
CN111684617B CN111684617B (zh) 2023-08-18

Family

ID=68162036

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201880088675.2A Active CN111684617B (zh) 2018-04-12 2018-04-12 一种电池

Country Status (5)

Country Link
US (1) US10658644B2 (zh)
EP (1) EP3624209A4 (zh)
JP (1) JP7434168B2 (zh)
CN (1) CN111684617B (zh)
WO (1) WO2019196073A1 (zh)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112840504B (zh) * 2020-03-30 2023-04-11 宁德新能源科技有限公司 封装结构和电芯
CN118017106A (zh) * 2023-06-06 2024-05-10 宁德新能源科技有限公司 一种电池

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103515555A (zh) * 2012-06-25 2014-01-15 三星Sdi株式会社 电池及其制造方法
CN104577004A (zh) * 2014-12-25 2015-04-29 山东神工海特电子科技有限公司 一种固定隔膜的聚合物锂离子电池及其制作方法
CN206619617U (zh) * 2017-03-07 2017-11-07 宁德新能源科技有限公司 软包电池

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3829502B2 (ja) * 1998-10-30 2006-10-04 ソニー株式会社 非水電解質電池
CN201069784Y (zh) * 2007-07-25 2008-06-04 比亚迪股份有限公司 一种软包装电池
JP2010232067A (ja) * 2009-03-27 2010-10-14 Sanyo Electric Co Ltd ラミネート外装電池
US8771866B2 (en) * 2010-03-30 2014-07-08 Samsung Sdi Co., Ltd. Pouch type secondary battery and the fabrication method thereof
JP3191677U (ja) * 2010-04-07 2014-07-03 Ｊｍエナジー株式会社 ラミネート外装蓄電デバイス
US20150118543A1 (en) * 2012-05-14 2015-04-30 Eig Ltd. Pouch-type battery with improved safety by coating sealing unit with flame retardant and heat resistant resin composition prepared by mixing flame retardant material and heat resistant material to thermoplastic resin or thermosetting resin and production method thereof
US9178200B2 (en) * 2012-05-18 2015-11-03 24M Technologies, Inc. Electrochemical cells and methods of manufacturing the same
KR101936058B1 (ko) * 2012-08-02 2019-01-09 에스케이이노베이션 주식회사 파우치형 이차전지의 실링방법
US20140255757A1 (en) * 2013-03-07 2014-09-11 Samsung Sdi Co., Ltd. Rechargeable battery
JP2015079719A (ja) * 2013-10-18 2015-04-23 トヨタ自動車株式会社 全固体電池
JP6266375B2 (ja) * 2014-02-18 2018-01-24 セイコーインスツル株式会社 電気化学セル
CN104900918A (zh) * 2015-04-27 2015-09-09 东莞市安德丰电池有限公司 一种锂离子电池制备方法
KR20170001358A (ko) * 2015-06-26 2017-01-04 삼성에스디아이 주식회사 커브드 이차 전지 및 그의 제조 방법
US10367175B2 (en) * 2016-04-22 2019-07-30 Bosch Bettery Systems LLC Multicavity battery module
KR102465163B1 (ko) * 2016-06-22 2022-11-08 가부시키가이샤 한도오따이 에네루기 켄큐쇼 전지, 및 전지의 제작 방법
KR102064460B1 (ko) * 2016-09-12 2020-01-10 주식회사 엘지화학 이차전지용 파우치 외장재, 이를 이용한 파우치형 이차전지 및 그 제조 방법

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103515555A (zh) * 2012-06-25 2014-01-15 三星Sdi株式会社 电池及其制造方法
CN104577004A (zh) * 2014-12-25 2015-04-29 山东神工海特电子科技有限公司 一种固定隔膜的聚合物锂离子电池及其制作方法
CN206619617U (zh) * 2017-03-07 2017-11-07 宁德新能源科技有限公司 软包电池

Also Published As

Publication number Publication date
JP7434168B2 (ja) 2024-02-20
CN111684617B (zh) 2023-08-18
WO2019196073A1 (zh) 2019-10-17
JP2021518037A (ja) 2021-07-29
EP3624209A1 (en) 2020-03-18
EP3624209A4 (en) 2021-01-06
US10658644B2 (en) 2020-05-19
US20190319247A1 (en) 2019-10-17

Similar Documents

Publication Publication Date Title
CN209785987U (zh) 二次电池
CN101118976A (zh) 软包装锂离子电池的制造方法
CN112086585B (zh) 电池
CN210040267U (zh) 二次电池
CN109273776B (zh) 一种电芯膜袋封装方法、电池制备方法及电池
CN111684617A (zh) 一种电池
JP2002319375A (ja) 密閉形電池
CN202977592U (zh) 锂离子电池用极片及卷绕电芯体及锂离子电池
CN108428810B (zh) 包装膜及软包电池
CN211578910U (zh) 一种超薄电池的极片结构及超薄电池
CN210897462U (zh) 锂离子电池封装结构
KR100731436B1 (ko) 파우치형 리튬 이차 전지
CN110931885A (zh) 薄型锂离子电池的电芯制备方法及应用其的电芯和电池
CN209447852U (zh) 电池的封装膜及电池、电子设备
JP2001060452A (ja) フィルム外装型電池の製造方法
CN218004981U (zh) 一种电芯及电池
CN217468540U (zh) 一种软包锂离子电池及电子装置
CN214378757U (zh) 电芯极片、电芯及电池
JP6075390B2 (ja) 電池
CN213905426U (zh) 二次电池及终端设备
JP3993320B2 (ja) シート電池およびその製造方法
JP7038957B2 (ja) 電池セルおよび電極リードの製造方法
JP2016506027A (ja) 階段構造の電極群積層体
CN221530089U (zh) 电芯封装结构及电芯
CN219832822U (zh) 电芯及电池模组

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant