JP5672937B2 - 溶融塩電池及び溶融塩電池連結体 - Google Patents
溶融塩電池及び溶融塩電池連結体 Download PDFInfo
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- 150000003839 salts Chemical class 0.000 title claims description 105
- 230000002093 peripheral effect Effects 0.000 claims description 48
- 238000010248 power generation Methods 0.000 claims description 18
- 230000008878 coupling Effects 0.000 description 7
- 238000010168 coupling process Methods 0.000 description 7
- 238000005859 coupling reaction Methods 0.000 description 7
- 238000003466 welding Methods 0.000 description 7
- 229910000838 Al alloy Inorganic materials 0.000 description 5
- 230000001678 irradiating effect Effects 0.000 description 4
- 229910052782 aluminium Inorganic materials 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 2
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 2
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 2
- 239000004809 Teflon Substances 0.000 description 2
- 229920006362 Teflon® Polymers 0.000 description 2
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 2
- 239000011149 active material Substances 0.000 description 2
- 150000001450 anions Chemical class 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 229910052731 fluorine Inorganic materials 0.000 description 2
- 239000011737 fluorine Substances 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 229910052700 potassium Inorganic materials 0.000 description 2
- 239000011591 potassium Substances 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 229910052708 sodium Inorganic materials 0.000 description 2
- 239000011734 sodium Substances 0.000 description 2
- 229910052783 alkali metal Inorganic materials 0.000 description 1
- -1 alkali metal cation Chemical class 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 150000001768 cations Chemical class 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000002482 conductive additive Substances 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002923 metal particle Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000007773 negative electrode material Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000007774 positive electrode material Substances 0.000 description 1
- 150000003388 sodium compounds Chemical class 0.000 description 1
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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
- H01M10/36—Accumulators not provided for in groups H01M10/05-H01M10/34
- H01M10/39—Accumulators not provided for in groups H01M10/05-H01M10/34 working at high temperature
- H01M10/399—Cells with molten salts
-
- 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
-
- 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
- H01M50/138—Primary casings; Jackets or wrappings adapted for specific cells, e.g. electrochemical cells operating at high temperature
-
- 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
- H01M50/147—Lids or covers
- H01M50/148—Lids or covers characterised by their shape
- H01M50/15—Lids or covers characterised by their shape for prismatic or rectangular 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
- H01M50/10—Primary casings; Jackets or wrappings
- H01M50/147—Lids or covers
- H01M50/148—Lids or covers characterised by their shape
- H01M50/1535—Lids or covers characterised by their shape adapted for specific cells, e.g. electrochemical cells operating at high temperature
-
- 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
- H01M50/147—Lids or covers
- H01M50/166—Lids or covers characterised by the methods of assembling casings with lids
- H01M50/169—Lids or covers characterised by the methods of assembling casings with lids by welding, brazing or soldering
-
- 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
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
-
- 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
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/258—Modular batteries; Casings provided with means for assembling
- H01M50/26—Assemblies sealed to each other in a non-detachable manner
-
- 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
- H01M50/528—Fixed electrical connections, i.e. not intended for disconnection
- H01M50/529—Intercell connections through partitions, e.g. in a battery 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 Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Sealing Battery Cases Or Jackets (AREA)
- Secondary Cells (AREA)
- Battery Mounting, Suspending (AREA)
Description
本発明にあっては、容器本体の上面の開口部の縁部に周縁部が載置された蓋体の周縁部の下部に形成した段部が容器本体の開口部の縁部角部に係合するので、蓋体の周縁部は容器本体の開口部の縁部から外れないように位置が規制される。これにより、蓋体の周縁部を容器本体の開口部の縁部に安定に載置させた状態で上方からレーザー光等を照射して蓋体の周縁部を容器本体に溶接することができる。
本発明にあっては、容器本体の上面の開口部の縁部に周縁部が載置された蓋体の周縁部の下部に設けた凸部が容器本体の開口部の内周部に係合するので、蓋体の周縁部は容器本体の開口部の縁部から外れないように位置が規制される。これにより、蓋体の周縁部を容器本体の開口部の縁部に安定に載置させた状態で上方からレーザー光等を照射して蓋体の周縁部を容器本体に溶接することができる。
本発明にあっては、上下方向に沿い、互いに対向した板状の正極及び負極間に溶融塩を含んでなるセパレータを介装した発電要素を上方から容器本体内に収容した後、蓋体を容器本体に溶接し、電池容器内を密閉する。
本発明にあっては、複数の溶融塩電池を隣り合う溶融塩電池の容器本体の外周面同士が対向するように横方向に並置させた後、各溶融塩電池の容器本体内に発電要素を収容し、隣り合う溶融塩電池を連結するとともに、上方からレーザー光等を照射して蓋体を各容器本体に溶接し、各電池容器内を密閉する。
(実施の形態1)
図1は本発明の実施の形態1に係る溶融塩電池の要部構成を模式的に示す斜視図、図2は発電要素の構成を模式的に示す横断面図、図3のAは本発明の実施の形態1に係る溶融塩電池の構成を模式的に示す上面図、Bは同溶融塩電池の構成を模式的に示す縦断面図、図4のAは本発明の実施の形態1に係る溶融塩電池の蓋体の平面図、Bは同蓋体の縦断面図、図5のAは本発明の実施の形態1に係る溶融塩電池の蓋体の容器本体への取付構造を示す断面図、Bは比較例となる蓋体の取付構造を示す断面図である。
一方、側壁1A、1B側の夫々のワッシャ12,14には、アルミ合金からなるリード線16,15が各別に接合され、該リード線16,15の夫々は、タブリード23,43に接合されている。これにより、互いに対向する側壁1A,1Bの両側に位置するタブリード43,23同士は、電気的に接続され、隣り合う溶融塩電池同士が電気的に直列接続される。その後、各容器本体1の開口部1Eに蓋体7を内嵌させ、上方からレーザー光を照射して蓋体7の周縁部7Aを容器本体1に溶接する。
図8は本発明の実施の形態2に係る溶融塩電池の容器本体の平面図である。
実施の形態2では、容器本体1の短辺側の側壁1A,1Bの上端部には段部1Gが形成してあるが、長辺側の側壁1C,1Dには段部1Gを形成していない点が実施の形態1と異なる。実施の形態2の場合、蓋体7の平面視での短辺側の外形寸法が実施の形態1の場合より段部1Gの幅の略2倍小さくなる。
図9のAは本発明の実施の形態3に係る溶融塩電池の容器本体の平面図、Bは同容器本体の一部の縦断面図である。
実施の形態3では、容器本体1の側壁1A,1B,1C,1Dの上端部に段部1Gを形成せず、側壁の内周面に突き出る凸部1Hを設けた点が実施の形態1と異なる。図9には、短辺側の側壁1A,1Bに側壁1C,1Dの間隔に等しい長さを有する帯状の凸部1Hを設けた例を示す。実施の形態3の場合、蓋体7の平面視での長辺側の外形寸法が実施の形態2の場合より段部1Gの幅の略2倍小さくなる。
図10のAは本発明の実施の形態4に係る溶融塩電池の容器本体の平面図、Bは同容器本体の一部の縦断面図である。
実施の形態4では、容器本体1の4つの角部に凸部1Jを設けた点が実施の形態3と異なる。実施の形態4の場合の蓋体7の平面視での外形寸法は実施の形態3の場合と同一である。
図11のAは本発明の実施の形態5に係る溶融塩電池の構成を模式的に示す上面図、Bは同溶融塩電池の構成を模式的に示す縦断面図、図12のAは本発明の実施の形態5に係る溶融塩電池の蓋体の平面図、Bは同蓋体の縦断面図、図13は本発明の実施の形態5に係る溶融塩電池を連結した溶融塩電池連結体の連結部の構造を示す拡大断面図である。
図14のAは本発明の実施の形態6に係る溶融塩電池の蓋体の平面図、Bは同蓋体の縦断面図、図15は本発明の実施の形態6に係る溶融塩電池を連結した溶融塩電池連結体の連結部の構造を示す拡大断面図である。
1E 開口部
1G 段部
1H 凸部
1J 凸部
21 負極
31 セパレータ
41 正極
6 溶融塩
7 蓋体
7A 周縁部
7B 段部
7C 凸部
10 電池容器
Claims (5)
- 溶融塩を含む発電要素を収容する電池容器を備えた溶融塩電池において、
前記電池容器は、
上面に開口部を有し、且つ側壁を有する容器本体と、
該容器本体の開口部の縁部に周縁部が載置されており、該周縁部が容器本体に溶接された蓋体と
を有し、
前記容器本体は、前記蓋体の周縁部より外側における前記側壁の上端部が一部露出していること
を特徴とする溶融塩電池。 - 前記蓋体の周縁部の下部に、前記容器本体の開口部の縁部角部に係合する段部を形成してあることを特徴とする請求項1に記載の溶融塩電池。
- 前記蓋体の周縁部の下面に、前記容器本体の開口部の内周部に係合する凸部を設けてあることを特徴とする請求項1に記載の溶融塩電池。
- 前記発電要素は、上下方向に沿った板状の正極及び負極を対向させ、該正極及び負極間に前記溶融塩を含んでなるセパレータを介装してあることを特徴とする請求項1から3の何れか1項に記載の溶融塩電池。
- 請求項1から4の何れか1項に記載の溶融塩電池を隣り合う溶融塩電池の容器本体の外周面同士が対向するように横方向に複数並置して連結してあることを特徴とする溶融塩電池連結体。
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2010233951A JP5672937B2 (ja) | 2010-10-18 | 2010-10-18 | 溶融塩電池及び溶融塩電池連結体 |
CN2011800501635A CN103168386A (zh) | 2010-10-18 | 2011-10-17 | 熔盐电池和熔盐电池连接体 |
KR1020137009987A KR20130130705A (ko) | 2010-10-18 | 2011-10-17 | 용융염 전지 및 용융염 전지 모듈 |
PCT/JP2011/073870 WO2012053492A1 (ja) | 2010-10-18 | 2011-10-17 | 溶融塩電池及び溶融塩電池連結体 |
US13/879,560 US20130224566A1 (en) | 2010-10-18 | 2011-10-17 | Molten-salt battery and molten-salt battery connected body |
TW100137719A TW201232879A (en) | 2010-10-18 | 2011-10-18 | Molten salt battery and connected body of the molten salt batteries |
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JP2010233951A JP5672937B2 (ja) | 2010-10-18 | 2010-10-18 | 溶融塩電池及び溶融塩電池連結体 |
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JP2012089311A JP2012089311A (ja) | 2012-05-10 |
JP5672937B2 true JP5672937B2 (ja) | 2015-02-18 |
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US (1) | US20130224566A1 (ja) |
JP (1) | JP5672937B2 (ja) |
KR (1) | KR20130130705A (ja) |
CN (1) | CN103168386A (ja) |
TW (1) | TW201232879A (ja) |
WO (1) | WO2012053492A1 (ja) |
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JP5480335B2 (ja) * | 2012-06-28 | 2014-04-23 | トヨタ自動車株式会社 | 角型電池及び角型電池の製造方法 |
US9608240B2 (en) * | 2013-07-26 | 2017-03-28 | Samsung Sdi Co., Ltd. | Rechargeable battery |
JP6155964B2 (ja) * | 2013-08-22 | 2017-07-05 | 株式会社豊田自動織機 | 蓄電装置用のケース及び蓄電装置 |
US9905819B2 (en) | 2013-11-15 | 2018-02-27 | Hitachi Automotive Systems, Ltd. | Prismatic battery |
KR20150115558A (ko) * | 2014-04-04 | 2015-10-14 | 삼성에스디아이 주식회사 | 보호회로모듈을 갖는 이차 전지 |
KR20170002138A (ko) * | 2015-06-29 | 2017-01-06 | 삼성에스디아이 주식회사 | 배터리 팩 |
CN115122889A (zh) * | 2019-06-14 | 2022-09-30 | 东风汽车集团有限公司 | 一种电池包安装结构、电池包及汽车 |
EP4354601A4 (en) * | 2021-10-20 | 2024-10-02 | Contemporary Amperex Technology (Hong Kong) Limited | BATTERY CELL, BATTERY, POWER CONSUMING APPARATUS, AND METHOD AND APPARATUS FOR MANUFACTURING BATTERY CELL |
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US4003753A (en) * | 1976-03-15 | 1977-01-18 | Rockwell International Corporation | Electrode structure for electrical energy storage device |
US4314009A (en) * | 1979-12-07 | 1982-02-02 | Sanyo Electric Co., Ltd. | Battery |
US4313259A (en) * | 1980-05-09 | 1982-02-02 | The United States Of America As Represented By The United States Department Of Energy | Method for manufacturing an electrochemical cell |
JPS5921566U (ja) * | 1982-07-30 | 1984-02-09 | 三洋電機株式会社 | 電池 |
JPS6251167A (ja) * | 1985-08-29 | 1987-03-05 | Japan Storage Battery Co Ltd | 熱電池の製造方法 |
JPH07111155A (ja) * | 1991-01-16 | 1995-04-25 | Japan Storage Battery Co Ltd | 熱電池 |
JP3168088B2 (ja) * | 1993-01-21 | 2001-05-21 | 日本碍子株式会社 | 集合電池 |
JP3777582B2 (ja) * | 1996-12-13 | 2006-05-24 | 株式会社ジーエス・ユアサコーポレーション | 熱電池 |
JP2000508829A (ja) * | 1997-02-06 | 2000-07-11 | アー・アー・ベー・アツシユ・パテント・ホールデイングス・ソシエテ・アノニム | 電気化学電池 |
JPH11219688A (ja) * | 1998-02-02 | 1999-08-10 | Fuji Elelctrochem Co Ltd | 角形電気化学素子用の外装容器およびその外装容器を用いた角形電気化学素子の製造方法 |
JP2000231908A (ja) * | 1999-02-12 | 2000-08-22 | Nec Mobile Energy Kk | 密閉型電池およびその封口方法 |
JP4297133B2 (ja) * | 2006-05-15 | 2009-07-15 | ソニー株式会社 | リチウムイオン電池 |
WO2008105811A2 (en) * | 2006-08-15 | 2008-09-04 | Massachusetts Institute Of Technology | High-amperage energy storage device and method |
JP2009093983A (ja) * | 2007-10-11 | 2009-04-30 | Toyota Central R&D Labs Inc | 二次電池 |
-
2010
- 2010-10-18 JP JP2010233951A patent/JP5672937B2/ja active Active
-
2011
- 2011-10-17 KR KR1020137009987A patent/KR20130130705A/ko not_active Application Discontinuation
- 2011-10-17 WO PCT/JP2011/073870 patent/WO2012053492A1/ja active Application Filing
- 2011-10-17 US US13/879,560 patent/US20130224566A1/en not_active Abandoned
- 2011-10-17 CN CN2011800501635A patent/CN103168386A/zh active Pending
- 2011-10-18 TW TW100137719A patent/TW201232879A/zh unknown
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US20130224566A1 (en) | 2013-08-29 |
CN103168386A (zh) | 2013-06-19 |
TW201232879A (en) | 2012-08-01 |
WO2012053492A1 (ja) | 2012-04-26 |
KR20130130705A (ko) | 2013-12-02 |
JP2012089311A (ja) | 2012-05-10 |
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