JP2019053891A - 電極アセンブリおよび非水電解液二次電池 - Google Patents
電極アセンブリおよび非水電解液二次電池 Download PDFInfo
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- 239000011255 nonaqueous electrolyte Substances 0.000 title claims abstract description 48
- 239000000463 material Substances 0.000 claims abstract description 56
- 239000007773 negative electrode material Substances 0.000 claims description 18
- 239000007774 positive electrode material Substances 0.000 claims description 18
- 239000002390 adhesive tape Substances 0.000 abstract description 35
- 239000011810 insulating material Substances 0.000 description 103
- 238000007789 sealing Methods 0.000 description 24
- 238000000034 method Methods 0.000 description 15
- 239000008151 electrolyte solution Substances 0.000 description 12
- SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical compound CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 description 10
- 238000004519 manufacturing process Methods 0.000 description 9
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- 239000004020 conductor Substances 0.000 description 4
- 239000003792 electrolyte Substances 0.000 description 4
- 239000012774 insulation material Substances 0.000 description 4
- 239000002689 soil Substances 0.000 description 4
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- 239000002033 PVDF binder Substances 0.000 description 3
- 239000006230 acetylene black Substances 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 3
- 238000007796 conventional method Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- WABPQHHGFIMREM-AHCXROLUSA-N lead-203 Chemical compound [203Pb] WABPQHHGFIMREM-AHCXROLUSA-N 0.000 description 3
- WABPQHHGFIMREM-OIOBTWANSA-N lead-204 Chemical compound [204Pb] WABPQHHGFIMREM-OIOBTWANSA-N 0.000 description 3
- 239000003960 organic solvent Substances 0.000 description 3
- 239000005022 packaging material Substances 0.000 description 3
- 229920002981 polyvinylidene fluoride Polymers 0.000 description 3
- 229920005989 resin Polymers 0.000 description 3
- 239000011347 resin Substances 0.000 description 3
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 239000003086 colorant Substances 0.000 description 2
- 235000012489 doughnuts Nutrition 0.000 description 2
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- 238000009499 grossing Methods 0.000 description 2
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- 229910001416 lithium ion Inorganic materials 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
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- 230000007246 mechanism Effects 0.000 description 2
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- 238000012545 processing Methods 0.000 description 2
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- 229910002804 graphite Inorganic materials 0.000 description 1
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- 239000005001 laminate film Substances 0.000 description 1
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- 229910052751 metal Inorganic materials 0.000 description 1
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- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/052—Li-accumulators
- H01M10/0525—Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
-
- 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
- H01M50/572—Means for preventing undesired use or discharge
-
- 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
- H01M10/02—Details
-
- 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
- H01M10/058—Construction or manufacture
-
- 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
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/48—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
- H01M10/488—Cells or batteries combined with indicating means for external visualization of the condition, e.g. by change of colour or of light density
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- H01M50/10—Primary casings; Jackets or wrappings
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- H01M10/052—Li-accumulators
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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
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/48—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
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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
- H01M2200/00—Safety devices for primary or secondary batteries
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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
- H01M2220/00—Batteries for particular applications
- H01M2220/30—Batteries in portable systems, e.g. mobile phone, laptop
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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
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- 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
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- 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
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- 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
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- H01M50/1243—Primary casings; Jackets or wrappings characterised by the material having a layered structure characterised by the internal coating on the casing
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- 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
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- 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
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Secondary Cells (AREA)
- Cell Separators (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Connection Of Batteries Or Terminals (AREA)
Abstract
Description
図1の(a)は、本発明の実施の形態1に係る電極アセンブリ100の概略構成を示す側面図である。図1の(b)は、図1の(a)に示された絶縁材3の概略構成例を示す上面図である。図1の(c)は、図1の(a)に示された絶縁材4の概略構成例を示す上面図である。
図3の(a)は、本発明の実施の形態2に係る電極アセンブリ300の概略構成を示す上面図である。図3の(b)は、図3の(a)に示されたタブリード203の概略構成例を示す側面図である。図3の(c)は、図3の(a)に示されたタブリード204の概略構成例を示す側面図である。図3の(d)は、図3の(a)に示された電極群201の分解斜視図である。
視認性可(汚れの存在が、よく見れば分かる):△
視認性不良(汚れの存在が、判別困難):×
また、白色異物として、住友化学社製αアルミナ(商品名:AKP3000)を使用した。そして、実施例10〜実施例14に示す各色について、2015年H版 塗料用標準色(ポケット版、一般社団法人日本塗料工業会)の上に、当該白色異物を5mg載せて、HITACHI製Hf蛍光ランプ(FHF32EX−N−K)を用いて照度300ルクス以上の環境下において目視で比較を行い、下記の判断基準で視認性の確認を実施した。
視認性可(白色異物の存在が、よく見れば分かる):△
以上の視認性の確認結果を、表1に示している。表1の項目「第1の汚れ見本(高目付)」、項目「第2の汚れ見本(低目付)」、および項目「白色異物」は、それぞれ、当該項目の表記に対応する視認性の結果を示している。
2 粘着テープ(電極群の周囲に配置された部品)
3 絶縁材(電極群の周囲に配置された部品)
4 絶縁材(電極群の周囲に配置された部品)
7 絶縁テープ(電極群の周囲に配置された部品)
8 絶縁テープ(電極群の周囲に配置された部品)
9 異物
100 電極アセンブリ
101 電池缶(外装材)
102 封口体
201 電極群
202 粘着テープ(電極群の周囲に配置された部品)
211 正極材
212 負極材
213 セパレータ
232 絶縁材(電極群の周囲に配置された部品)
233 絶縁材(電極群の周囲に配置された部品)
242 絶縁材(電極群の周囲に配置された部品)
243 絶縁材(電極群の周囲に配置された部品)
300 電極アセンブリ
301 外装材の容器部
302 外装材の蓋部
303 外装材
400 非水電解液二次電池
500 非水電解液二次電池
501 非水電解液二次電池
Claims (4)
- 外装材に収容される電極アセンブリであって、
正極材、負極材、および上記正極材と上記負極材との間に設けられたセパレータを有している電極群と、
上記電極群の周囲に配置された部品とを備えており、
上記部品は、マンセル表色系において、明度が3.0以上9.2以下であり、彩度が0.5以上である電極アセンブリ。 - 上記部品の明度が4.0以上9.0以下である請求項1に記載の電極アセンブリ。
- 上記部品の光沢度が10以上である請求項1または2に記載の電極アセンブリ。
- 請求項1から3のいずれか1項に記載の電極アセンブリと、
上記外装材とを備えている非水電解液二次電池。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2017177054A JP6912333B2 (ja) | 2017-09-14 | 2017-09-14 | 電極アセンブリおよび非水電解液二次電池 |
KR1020170132134A KR20190030541A (ko) | 2017-09-14 | 2017-10-12 | 전극 어셈블리 및 비수 전해액 이차 전지 |
US15/819,448 US10629856B2 (en) | 2017-09-14 | 2017-11-21 | Electrode assembly and nonaqueous electrolyte secondary battery |
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Application Number | Priority Date | Filing Date | Title |
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JP2017177054A JP6912333B2 (ja) | 2017-09-14 | 2017-09-14 | 電極アセンブリおよび非水電解液二次電池 |
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Publication Number | Publication Date |
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JP2019053891A true JP2019053891A (ja) | 2019-04-04 |
JP6912333B2 JP6912333B2 (ja) | 2021-08-04 |
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JP2017177054A Active JP6912333B2 (ja) | 2017-09-14 | 2017-09-14 | 電極アセンブリおよび非水電解液二次電池 |
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US (1) | US10629856B2 (ja) |
JP (1) | JP6912333B2 (ja) |
KR (1) | KR20190030541A (ja) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110243718A (zh) * | 2019-07-11 | 2019-09-17 | 成都市银隆新能源产业技术研究有限公司 | 一种电池极片粘结性测试方法及测试装置 |
JP2020198232A (ja) * | 2019-06-04 | 2020-12-10 | マクセルホールディングス株式会社 | 非水電解質電池およびその製造方法 |
JP6849161B1 (ja) * | 2020-06-10 | 2021-03-24 | 住友電気工業株式会社 | リード部材 |
CN112886144A (zh) * | 2019-11-30 | 2021-06-01 | 华为技术有限公司 | 一种分隔膜、电池组合及用电设备 |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
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US10950899B2 (en) | 2018-05-31 | 2021-03-16 | Nio Usa, Inc. | Abuse tolerance in battery modules |
US10756391B2 (en) * | 2018-10-23 | 2020-08-25 | Nio Usa, Inc. | Method and system for secondary internal current mechanisms for a lithium-ion cell |
US20220336861A1 (en) * | 2019-09-11 | 2022-10-20 | Sanyo Electric Co., Ltd. | Non-aqueous electrolyte secondary battery |
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US6235425B1 (en) * | 1997-12-12 | 2001-05-22 | 3M Innovative Properties Company | Apparatus and method for treating a cathode material provided on a thin-film substrate |
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JP2010287466A (ja) | 2009-06-12 | 2010-12-24 | Panasonic Corp | 非水電解質二次電池 |
JP6261441B2 (ja) | 2014-04-28 | 2018-01-17 | 日立オートモティブシステムズ株式会社 | 二次電池 |
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2017
- 2017-09-14 JP JP2017177054A patent/JP6912333B2/ja active Active
- 2017-10-12 KR KR1020170132134A patent/KR20190030541A/ko unknown
- 2017-11-21 US US15/819,448 patent/US10629856B2/en active Active
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KR20190030541A (ko) | 2019-03-22 |
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