JP2015072804A - 電池用外装体及びこれを用いた電池 - Google Patents
電池用外装体及びこれを用いた電池 Download PDFInfo
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- JP2015072804A JP2015072804A JP2013208037A JP2013208037A JP2015072804A JP 2015072804 A JP2015072804 A JP 2015072804A JP 2013208037 A JP2013208037 A JP 2013208037A JP 2013208037 A JP2013208037 A JP 2013208037A JP 2015072804 A JP2015072804 A JP 2015072804A
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- battery
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- aluminum foil
- laminate
- outer 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
Links
- 238000004806 packaging method and process Methods 0.000 title abstract 5
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 42
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 42
- 239000011888 foil Substances 0.000 claims abstract description 40
- 239000000463 material Substances 0.000 claims abstract description 32
- 239000000565 sealant Substances 0.000 claims abstract description 25
- 238000000605 extraction Methods 0.000 claims abstract description 11
- 238000007789 sealing Methods 0.000 claims abstract description 10
- 230000002093 peripheral effect Effects 0.000 claims abstract description 4
- 238000000034 method Methods 0.000 abstract description 23
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 abstract description 13
- 229910001416 lithium ion Inorganic materials 0.000 abstract description 13
- 238000009413 insulation Methods 0.000 abstract description 11
- 238000005530 etching Methods 0.000 abstract description 9
- 239000005022 packaging material Substances 0.000 abstract description 2
- 239000010410 layer Substances 0.000 description 82
- 229920005672 polyolefin resin Polymers 0.000 description 13
- 239000002585 base Substances 0.000 description 12
- 229920005989 resin Polymers 0.000 description 11
- 239000011347 resin Substances 0.000 description 11
- 238000005536 corrosion prevention Methods 0.000 description 10
- 238000000465 moulding Methods 0.000 description 9
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 8
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 8
- 239000004840 adhesive resin Substances 0.000 description 8
- 229920006223 adhesive resin Polymers 0.000 description 8
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 6
- -1 polypropylene Polymers 0.000 description 6
- 239000000243 solution Substances 0.000 description 6
- 239000004743 Polypropylene Substances 0.000 description 5
- 239000000853 adhesive Substances 0.000 description 5
- 230000001070 adhesive effect Effects 0.000 description 5
- 239000012790 adhesive layer Substances 0.000 description 5
- 238000004090 dissolution Methods 0.000 description 5
- 229910052751 metal Inorganic materials 0.000 description 5
- 239000002184 metal Substances 0.000 description 5
- 229920001155 polypropylene Polymers 0.000 description 5
- 229920000089 Cyclic olefin copolymer Polymers 0.000 description 4
- 229910052742 iron Inorganic materials 0.000 description 4
- 239000004711 α-olefin Substances 0.000 description 4
- 239000004952 Polyamide Substances 0.000 description 3
- 230000004888 barrier function Effects 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 3
- 239000003792 electrolyte Substances 0.000 description 3
- 239000008151 electrolyte solution Substances 0.000 description 3
- 238000010030 laminating Methods 0.000 description 3
- 229910003002 lithium salt Inorganic materials 0.000 description 3
- 159000000002 lithium salts Chemical class 0.000 description 3
- 229920002647 polyamide Polymers 0.000 description 3
- 238000007493 shaping process Methods 0.000 description 3
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 239000000654 additive Substances 0.000 description 2
- 238000000137 annealing Methods 0.000 description 2
- 239000003963 antioxidant agent Substances 0.000 description 2
- 230000003078 antioxidant effect Effects 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 238000009820 dry lamination Methods 0.000 description 2
- 239000002001 electrolyte material Substances 0.000 description 2
- 239000003063 flame retardant Substances 0.000 description 2
- 238000010559 graft polymerization reaction Methods 0.000 description 2
- 229920001903 high density polyethylene Polymers 0.000 description 2
- 239000004700 high-density polyethylene Substances 0.000 description 2
- 238000006460 hydrolysis reaction Methods 0.000 description 2
- 239000004611 light stabiliser Substances 0.000 description 2
- 229920001684 low density polyethylene Polymers 0.000 description 2
- 239000004702 low-density polyethylene Substances 0.000 description 2
- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical compound O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 description 2
- 229920001179 medium density polyethylene Polymers 0.000 description 2
- 239000004701 medium-density polyethylene Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000007773 negative electrode material Substances 0.000 description 2
- 229920006267 polyester film Polymers 0.000 description 2
- 229920000139 polyethylene terephthalate Polymers 0.000 description 2
- 239000005020 polyethylene terephthalate Substances 0.000 description 2
- 239000007774 positive electrode material Substances 0.000 description 2
- 239000002356 single layer Substances 0.000 description 2
- 239000012748 slip agent Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- JOYRKODLDBILNP-UHFFFAOYSA-N urethane group Chemical group NC(=O)OCC JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- 239000004925 Acrylic resin Substances 0.000 description 1
- 229920000178 Acrylic resin Polymers 0.000 description 1
- OIFBSDVPJOWBCH-UHFFFAOYSA-N Diethyl carbonate Chemical compound CCOC(=O)OCC OIFBSDVPJOWBCH-UHFFFAOYSA-N 0.000 description 1
- KMTRUDSVKNLOMY-UHFFFAOYSA-N Ethylene carbonate Chemical compound O=C1OCCO1 KMTRUDSVKNLOMY-UHFFFAOYSA-N 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 1
- 229910013063 LiBF 4 Inorganic materials 0.000 description 1
- 229910013870 LiPF 6 Inorganic materials 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 1
- 238000002048 anodisation reaction Methods 0.000 description 1
- 239000000010 aprotic solvent Substances 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- CETPSERCERDGAM-UHFFFAOYSA-N ceric oxide Chemical compound O=[Ce]=O CETPSERCERDGAM-UHFFFAOYSA-N 0.000 description 1
- 229910000420 cerium oxide Inorganic materials 0.000 description 1
- 229910000422 cerium(IV) oxide Inorganic materials 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 238000003851 corona treatment Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000005238 degreasing Methods 0.000 description 1
- IEJIGPNLZYLLBP-UHFFFAOYSA-N dimethyl carbonate Chemical compound COC(=O)OC IEJIGPNLZYLLBP-UHFFFAOYSA-N 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 125000004185 ester group Chemical group 0.000 description 1
- JBTWLSYIZRCDFO-UHFFFAOYSA-N ethyl methyl carbonate Chemical compound CCOC(=O)OC JBTWLSYIZRCDFO-UHFFFAOYSA-N 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 125000005647 linker group Chemical group 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- VZCYOOQTPOCHFL-UPHRSURJSA-N maleic acid Chemical compound OC(=O)\C=C/C(O)=O VZCYOOQTPOCHFL-UPHRSURJSA-N 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- BMMGVYCKOGBVEV-UHFFFAOYSA-N oxo(oxoceriooxy)cerium Chemical compound [Ce]=O.O=[Ce]=O BMMGVYCKOGBVEV-UHFFFAOYSA-N 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 229920000306 polymethylpentene Polymers 0.000 description 1
- 239000011116 polymethylpentene Substances 0.000 description 1
- RUOJZAUFBMNUDX-UHFFFAOYSA-N propylene carbonate Chemical compound CC1COC(=O)O1 RUOJZAUFBMNUDX-UHFFFAOYSA-N 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 230000035882 stress Effects 0.000 description 1
- 238000009823 thermal lamination Methods 0.000 description 1
- 239000012815 thermoplastic material Substances 0.000 description 1
- 229920005992 thermoplastic resin Polymers 0.000 description 1
- VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 description 1
- 238000009281 ultraviolet germicidal irradiation Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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
Landscapes
- Sealing Battery Cases Or Jackets (AREA)
Abstract
【解決手段】基材層(11)、アルミニウム箔層(12)、シーラント層(13)を有する積層体(10)の、シーラント層面に凹部(8)を形成し、該凹部の周縁部にフランジ部(5)を形成してなる本体(3)と、前記積層体のシーラント層面を前記本体フランジ部に対向させた蓋体(4)とを有し、前記本体凹部に電池要素(6)を収納し、前記蓋体を被せ、取り出し電極(7)を前記フランジ部に挟んで、前記フランジ部を熱シールして使用する電池用外装体(2)であって、少なくとも電極取り出し面におけるアルミニウム箔端面がエッチング処理されていることを特徴とする電池用外装体である。
【選択図】図1
Description
端面を熱可塑性樹脂層で覆う方法である。
図1は、本発明に係る電池用外装体(2)を用いた電池(1)の構造を示した断面模式図である。本発明に係る電池用外装体(2)は、基材層(11)、アルミニウム箔層(12)、シーラント層(13)を少なくとも有する積層体(10)の、シーラント層(13)面に凹部(8)を形成し、凹部(8)の周縁部にフランジ部(5)を形成してなる本体(3)と、前記積層体(10)のシーラント層(13)面を前記本体フランジ部(5)に対向させた蓋体(4)とを有する。
レフタレート(PET)等の電解液に不溶な樹脂をラミネートしたものを使用してもよく、電解液に不溶な樹脂成分をコーティングしたものを使用してもよい。基材層(11)の厚さは、6〜40μmが好ましく、10〜25μmがより好ましい。
比較例としてエッチング処理を施さなかった以外は、実施例と同様にしてリチウムイオン二次電池を作成した。
熱シールの条件を180℃×3秒、190℃×3秒、200℃×3秒にしたところ、実施例においては、導通テスターで2本の取り出し電極間の絶縁は保持されていることが確認された。一方、比較例においては、180℃×3秒の熱シール条件では2本の取り出し電極間の絶縁は保持されていたが、190℃×3秒、200℃×3秒の条件では、導通が確認され、絶縁性が不十分であった。
2・・・電池用外装体
3・・・本体
4・・・蓋体
5・・・フランジ部
6・・・電池要素
7・・・取り出し電極
8・・・凹部
10・・・積層体
11・・・基材層
12・・・アルミニウム箔層
13・・・シーラント層
14・・・接着樹脂層
15・・・熔解除去部
20・・・処理浴槽
21・・・エッチング液
Claims (2)
- 基材層、アルミニウム箔層、シーラント層を有する積層体の、シーラント層面に凹部を形成し、該凹部の周縁部にフランジ部を形成してなる本体と、
前記積層体のシーラント層面を前記本体フランジ部に対向させた蓋体とを有し、
前記本体凹部に電池要素を収納し、前記蓋体を被せ、取り出し電極を前記フランジ部に挟んで、前記フランジ部を熱シールして使用する電池用外装体であって、
少なくとも電極取り出し面において、積層体の端面に露出したアルミニウム箔端面を、溶解除去したことを特徴とする電池用外装体。 - 請求項1に記載の電池用外装体を用いた電池。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2013208037A JP6331315B2 (ja) | 2013-10-03 | 2013-10-03 | 電池用外装体の製造方法及び電池の製造方法 |
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JP2013208037A JP6331315B2 (ja) | 2013-10-03 | 2013-10-03 | 電池用外装体の製造方法及び電池の製造方法 |
Publications (2)
Publication Number | Publication Date |
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JP2015072804A true JP2015072804A (ja) | 2015-04-16 |
JP6331315B2 JP6331315B2 (ja) | 2018-05-30 |
Family
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JP2013208037A Active JP6331315B2 (ja) | 2013-10-03 | 2013-10-03 | 電池用外装体の製造方法及び電池の製造方法 |
Country Status (1)
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JP (1) | JP6331315B2 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106560321A (zh) * | 2015-10-02 | 2017-04-12 | 昭和电工包装株式会社 | 层压外装件 |
Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0495339A (ja) * | 1990-07-31 | 1992-03-27 | Shin Kobe Electric Mach Co Ltd | 密閉形鉛蓄電池 |
WO1998042036A1 (fr) * | 1997-03-19 | 1998-09-24 | Asahi Kasei Kogyo Kabushiki Kaisha | Pile mince non aqueuse |
JPH1140198A (ja) * | 1997-07-16 | 1999-02-12 | Toshiba Battery Co Ltd | リチウム二次電池 |
JP2000021387A (ja) * | 1998-07-01 | 2000-01-21 | Mitsubishi Cable Ind Ltd | シート型電池 |
JP2004079464A (ja) * | 2002-08-22 | 2004-03-11 | Toppan Printing Co Ltd | 電池包装体 |
JP2004327049A (ja) * | 1998-10-20 | 2004-11-18 | Dainippon Printing Co Ltd | 電極構造 |
JP2005129234A (ja) * | 2003-10-21 | 2005-05-19 | Nec Tokin Corp | 二次電池及びその製造方法 |
JP2008021634A (ja) * | 2006-07-10 | 2008-01-31 | Lg Chem Ltd | シーリング部の安全性が向上した二次電池 |
US20120156526A1 (en) * | 2010-12-16 | 2012-06-21 | Samsung Sdi Co., Ltd. | Pouch case for secondary battery and secondary battery using the same |
-
2013
- 2013-10-03 JP JP2013208037A patent/JP6331315B2/ja active Active
Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0495339A (ja) * | 1990-07-31 | 1992-03-27 | Shin Kobe Electric Mach Co Ltd | 密閉形鉛蓄電池 |
WO1998042036A1 (fr) * | 1997-03-19 | 1998-09-24 | Asahi Kasei Kogyo Kabushiki Kaisha | Pile mince non aqueuse |
JPH1140198A (ja) * | 1997-07-16 | 1999-02-12 | Toshiba Battery Co Ltd | リチウム二次電池 |
JP2000021387A (ja) * | 1998-07-01 | 2000-01-21 | Mitsubishi Cable Ind Ltd | シート型電池 |
JP2004327049A (ja) * | 1998-10-20 | 2004-11-18 | Dainippon Printing Co Ltd | 電極構造 |
JP2004079464A (ja) * | 2002-08-22 | 2004-03-11 | Toppan Printing Co Ltd | 電池包装体 |
JP2005129234A (ja) * | 2003-10-21 | 2005-05-19 | Nec Tokin Corp | 二次電池及びその製造方法 |
JP2008021634A (ja) * | 2006-07-10 | 2008-01-31 | Lg Chem Ltd | シーリング部の安全性が向上した二次電池 |
US20120156526A1 (en) * | 2010-12-16 | 2012-06-21 | Samsung Sdi Co., Ltd. | Pouch case for secondary battery and secondary battery using the same |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106560321A (zh) * | 2015-10-02 | 2017-04-12 | 昭和电工包装株式会社 | 层压外装件 |
CN106560321B (zh) * | 2015-10-02 | 2019-12-06 | 昭和电工包装株式会社 | 层压外装件 |
TWI700177B (zh) * | 2015-10-02 | 2020-08-01 | 日商昭和電工包裝股份有限公司 | 層壓外裝材 |
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JP6331315B2 (ja) | 2018-05-30 |
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