JP5235942B2 - 高降伏強度外部スリーブを用いたセル壁の完全性を維持するための方法および装置 - Google Patents
高降伏強度外部スリーブを用いたセル壁の完全性を維持するための方法および装置 Download PDFInfo
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- JP5235942B2 JP5235942B2 JP2010121438A JP2010121438A JP5235942B2 JP 5235942 B2 JP5235942 B2 JP 5235942B2 JP 2010121438 A JP2010121438 A JP 2010121438A JP 2010121438 A JP2010121438 A JP 2010121438A JP 5235942 B2 JP5235942 B2 JP 5235942B2
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- 238000000034 method Methods 0.000 title claims description 13
- 210000002421 cell wall Anatomy 0.000 title description 12
- 239000000463 material Substances 0.000 claims description 68
- 239000010410 layer Substances 0.000 claims description 23
- 229910000831 Steel Inorganic materials 0.000 claims description 10
- 239000002356 single layer Substances 0.000 claims description 10
- 239000010959 steel Substances 0.000 claims description 10
- 239000010935 stainless steel Substances 0.000 claims description 7
- 229910001220 stainless steel Inorganic materials 0.000 claims description 7
- 229910000990 Ni alloy Inorganic materials 0.000 claims description 5
- 229910001069 Ti alloy Inorganic materials 0.000 claims description 5
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 5
- 229910052719 titanium Inorganic materials 0.000 claims description 5
- 239000010936 titanium Substances 0.000 claims description 5
- 229910000746 Structural steel Inorganic materials 0.000 claims description 4
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 230000002401 inhibitory effect Effects 0.000 claims description 2
- 210000004027 cell Anatomy 0.000 description 146
- 239000007789 gas Substances 0.000 description 27
- 238000004519 manufacturing process Methods 0.000 description 13
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 10
- 230000006378 damage Effects 0.000 description 9
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 8
- 229910052742 iron Inorganic materials 0.000 description 5
- 229910052759 nickel Inorganic materials 0.000 description 5
- 230000008901 benefit Effects 0.000 description 4
- 238000013461 design Methods 0.000 description 4
- 229910001416 lithium ion Inorganic materials 0.000 description 4
- 238000013022 venting Methods 0.000 description 4
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 3
- 208000027418 Wounds and injury Diseases 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 238000005253 cladding Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000003792 electrolyte Substances 0.000 description 3
- 239000012212 insulator Substances 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 238000002788 crimping Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000000670 limiting effect Effects 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 229910052987 metal hydride Inorganic materials 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- -1 nickel metal hydrides Chemical class 0.000 description 2
- 239000000615 nonconductor Substances 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 239000000779 smoke Substances 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 230000001052 transient effect Effects 0.000 description 2
- 239000002000 Electrolyte additive Substances 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 238000003491 array Methods 0.000 description 1
- OJIJEKBXJYRIBZ-UHFFFAOYSA-N cadmium nickel Chemical compound [Ni].[Cd] OJIJEKBXJYRIBZ-UHFFFAOYSA-N 0.000 description 1
- 238000010523 cascade reaction Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- CKFRRHLHAJZIIN-UHFFFAOYSA-N cobalt lithium Chemical compound [Li].[Co] CKFRRHLHAJZIIN-UHFFFAOYSA-N 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 230000002079 cooperative effect Effects 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 230000020169 heat generation Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 235000015110 jellies Nutrition 0.000 description 1
- 239000008274 jelly Substances 0.000 description 1
- 238000005304 joining Methods 0.000 description 1
- 239000011244 liquid electrolyte Substances 0.000 description 1
- 239000011344 liquid material Substances 0.000 description 1
- GELKBWJHTRAYNV-UHFFFAOYSA-K lithium iron phosphate Chemical compound [Li+].[Fe+2].[O-]P([O-])([O-])=O GELKBWJHTRAYNV-UHFFFAOYSA-K 0.000 description 1
- 229910021450 lithium metal oxide Inorganic materials 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- QELJHCBNGDEXLD-UHFFFAOYSA-N nickel zinc Chemical compound [Ni].[Zn] QELJHCBNGDEXLD-UHFFFAOYSA-N 0.000 description 1
- 230000036961 partial effect Effects 0.000 description 1
- 238000002161 passivation Methods 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000001902 propagating effect Effects 0.000 description 1
- 230000002829 reductive effect Effects 0.000 description 1
- BSWGGJHLVUUXTL-UHFFFAOYSA-N silver zinc Chemical compound [Zn].[Ag] BSWGGJHLVUUXTL-UHFFFAOYSA-N 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000008733 trauma Effects 0.000 description 1
- 230000003313 weakening effect Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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
- H01M10/0431—Cells with wound or folded 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
- H01M50/131—Primary casings; Jackets or wrappings characterised by physical properties, e.g. gas permeability, size or heat resistance
-
- 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
-
- 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
- H01M50/1245—Primary casings; Jackets or wrappings characterised by the material having a layered structure characterised by the external coating on the casing
-
- 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)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Inorganic Chemistry (AREA)
- Sealing Battery Cases Or Jackets (AREA)
Description
301 事前成形スリーブ
303 側壁
305 底部露出面
401 事前成形二次カン
501 スリーブ
503〜505 層
601 カン
701 上側領域
703 下側領域
801 上側領域
803 カシメ部
Claims (14)
- バッテリーアセンブリであって、
バッテリーを具備してなり、
前記バッテリーは、
外側側壁面と、第1の端部および第2の端部と、を有する事前成形セルケースであって、前記第1の端部はセルケース底部から構成されており、かつ、前記第2の端部はキャップアセンブリ保持リップおよび中央開口部から構成されている事前成形セルケースと、
前記事前成形セルケース内に収容された電極アセンブリであって、この電極アセンブリの第1の電極は前記事前成形セルケースに対して電気的に接続されている電極アセンブリと、
前記事前成形セルケースに対して取り付けられたキャップアセンブリであって、このキャップアセンブリは前記第2の端部の前記中央開口部を閉塞し、前記キャップアセンブリはさらに、前記事前成形セルケースから電気的に絶縁されかつ前記電極アセンブリの第2の電極に対して電気的に接続されたバッテリーターミナルを具備してなるキャップアセンブリと、
を具備してなり、
事前成形二次カンは前記事前成形セルケースの周囲にかつそれと接触状態で配置され、前記事前成形二次カンは前記事前成形セルケースとは別個に形成され、前記事前成形二次カンの内面は前記事前成形セルケースの前記外側側壁面及び前記セルケースの底部に近接しており、前記事前成形二次カンは少なくとも250MPaの降伏強度を有する高降伏強度素材から形成され、前記事前成形二次カンは、熱暴走現象中に、前記セルケースの前記外側側壁面に生じた孔を経て、前記バッテリー内から高温高圧ガスが漏れ出すのを抑止するようになっていることを特徴とするバッテリーアセンブリ。 - 前記バッテリーは、前記事前成形セルケースの周囲に前記事前成形二次カンを配置するのに先立って、事前組み立てされることを特徴とする請求項1に記載のバッテリーアセンブリ。
- 前記事前成形二次カンは、前記事前成形セルケースの周囲に圧力嵌めされることを特徴とする請求項1に記載のバッテリーアセンブリ。
- 前記事前成形二次カンは、前記高降伏強度素材の単一の層から構成されることを特徴とする請求項1に記載のバッテリーアセンブリ。
- 前記事前成形二次カンは複数の層から構成され、前記複数の層のそれぞれは前記高降伏強度素材から構成されることを特徴とする請求項1に記載のバッテリーアセンブリ。
- 前記事前成形二次カンは複数の層から構成され、前記複数の層は少なくとも二つの異なる前記高降伏強度素材から構成されることを特徴とする請求項1に記載のバッテリーアセンブリ。
- 前記高降伏強度素材は、エンジニアリングスチール、高強度構造用スチール、メッキスチール、ステンレススチール、チタニウム、チタニウム合金およびニッケル合金からなる素材群から選択されたものであることを特徴とする請求項1ないし請求項6のいずれか1項に記載のバッテリーアセンブリ。
- 前記高降伏強度素材は、少なくとも250MPaの降伏強度を有することを特徴とする請求項1ないし請求項6のいずれか1項に記載のバッテリーアセンブリ。
- 前記高降伏強度素材は、1000℃の温度で、少なくとも250MPaの降伏強度を有することを特徴とする請求項1ないし請求項6のいずれか1項に記載のバッテリーアセンブリ。
- 前記高降伏強度素材は、少なくとも500MPaの降伏強度を有することを特徴とする請求項1ないし請求項6のいずれか1項に記載のバッテリーアセンブリ。
- 前記事前成形セルケースの前記外側側壁面のケース接触領域は、前記事前成形二次カンによって覆われないままであり、前記ケース接触領域は、前記事前成形セルケースの前記第2の端部の端面に近接していることを特徴とする請求項1ないし請求項6のいずれか1項に記載のバッテリーアセンブリ。
- 前記事前成形セルケースの前記外側側壁面のケース接触領域は、前記事前成形二次カンによって覆われないままであり、前記ケース接触領域は、前記事前成形セルケースの前記第1の端部の端面に近接していることを特徴とする請求項1ないし請求項6のいずれか1項に記載のバッテリーアセンブリ。
- 熱暴走中に前記バッテリーに対応するバッテリーケースの外面に生じる孔を経てバッテリー内から高温高圧のガスが流出するのを抑止するための方法であって、
前記バッテリーケースの形成後に前記バッテリーケースの前記外面の周囲に事前成形二
次カンを取り付けるステップを具備し、
さらに、前記事前成形二次カン用の高降伏強度素材を選択するステップを具備し、
前記高降伏強度素材は少なくとも250MPaの降伏強度を有し、
前記取り付けステップは、前記バッテリーケースの形成後であって、かつ、前記熱暴走現象に先立って実施されることを特徴とする方法。 - 前記取り付けステップは前記バッテリーの組み立て後に実施されることを特徴とする請求項13に記載の方法。
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US12/504,712 | 2009-07-17 | ||
US12/504,712 US7749647B1 (en) | 2009-07-17 | 2009-07-17 | Method and apparatus for maintaining cell wall integrity during thermal runaway using a high yield strength outer sleeve |
US12/777,148 US8304108B2 (en) | 2009-07-17 | 2010-05-10 | Method and apparatus for maintaining cell wall integrity using a high yield strength outer sleeve |
US12/777,148 | 2010-05-10 |
Publications (2)
Publication Number | Publication Date |
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JP2011023338A JP2011023338A (ja) | 2011-02-03 |
JP5235942B2 true JP5235942B2 (ja) | 2013-07-10 |
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JP2010121438A Active JP5235942B2 (ja) | 2009-07-17 | 2010-05-27 | 高降伏強度外部スリーブを用いたセル壁の完全性を維持するための方法および装置 |
Country Status (2)
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US (2) | US8304108B2 (ja) |
JP (1) | JP5235942B2 (ja) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9252400B2 (en) | 2011-09-07 | 2016-02-02 | Tesla Motors, Inc. | Battery cap assembly with high efficiency vent |
DE102011086050A1 (de) * | 2011-11-10 | 2013-05-16 | Sb Limotive Company Ltd. | Batteriezelle, Batterie und Kraftfahrzeug |
CA2887227C (en) * | 2012-10-11 | 2020-07-21 | Cloteam, Llc | Lithium ion battery |
US10665909B2 (en) | 2017-07-17 | 2020-05-26 | International Business Machines Corporation | Battery thermal run-away and combustion prevention system |
US11391784B2 (en) | 2018-06-27 | 2022-07-19 | General Atomics | Single cell fault tolerant battery system architecture |
DE102022104035A1 (de) | 2022-02-21 | 2023-08-24 | K.Tex Knein Technische Textilien Gmbh | Akkumulator mit zumindest einer Akkumulatorzelle und Verfahren zum Herstellen eines Akkumulators |
EP4345959A1 (en) | 2022-09-29 | 2024-04-03 | Volocopter GmbH | Method of producing an encapsulated battery cell |
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JPH0737567A (ja) * | 1993-07-19 | 1995-02-07 | Kanegafuchi Chem Ind Co Ltd | バッテリーの断熱装置 |
TW338071B (en) * | 1996-05-09 | 1998-08-11 | Toyo Koban Kk | A battery container and surface treated steel sheet for battery container |
JPH09306441A (ja) | 1996-05-17 | 1997-11-28 | Katayama Tokushu Kogyo Kk | 電池缶形成材料および該材料により形成された電池缶 |
JP3724955B2 (ja) | 1997-08-29 | 2005-12-07 | 住友電気工業株式会社 | 二次電池用電槽缶 |
FR2770032B1 (fr) | 1997-10-16 | 1999-12-17 | Alsthom Cge Alcatel | Accumulateur etanche a enveloppe multicouche |
JP4250833B2 (ja) * | 1999-10-27 | 2009-04-08 | ソニー株式会社 | 電池 |
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JP2002245976A (ja) * | 2001-02-22 | 2002-08-30 | Nok Corp | 圧力容器 |
JP2002298793A (ja) | 2001-03-29 | 2002-10-11 | Toshiba Battery Co Ltd | 電池容器及び電池 |
JP4989000B2 (ja) * | 2001-09-12 | 2012-08-01 | 株式会社フジシールインターナショナル | 電池外装用ラベル |
TWI275194B (en) * | 2004-10-08 | 2007-03-01 | Lg Chemical Ltd | Secondary battery having an improved safety |
JP4580861B2 (ja) * | 2005-11-07 | 2010-11-17 | 株式会社東芝 | ニッケル水素二次電池 |
JP2007220321A (ja) * | 2006-02-14 | 2007-08-30 | Matsushita Electric Ind Co Ltd | リチウム二次電池 |
US7749650B1 (en) * | 2009-07-17 | 2010-07-06 | Tesla Motors, Inc. | Method and apparatus for maintaining cell wall integrity during thermal runaway using multiple cell wall layers |
-
2010
- 2010-05-10 US US12/777,148 patent/US8304108B2/en active Active
- 2010-05-27 JP JP2010121438A patent/JP5235942B2/ja active Active
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2012
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US20120308857A1 (en) | 2012-12-06 |
JP2011023338A (ja) | 2011-02-03 |
US8304108B2 (en) | 2012-11-06 |
US20110014506A1 (en) | 2011-01-20 |
US8361649B2 (en) | 2013-01-29 |
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