JP7040060B2 - 蓄電素子 - Google Patents
蓄電素子 Download PDFInfo
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- JP7040060B2 JP7040060B2 JP2018014934A JP2018014934A JP7040060B2 JP 7040060 B2 JP7040060 B2 JP 7040060B2 JP 2018014934 A JP2018014934 A JP 2018014934A JP 2018014934 A JP2018014934 A JP 2018014934A JP 7040060 B2 JP7040060 B2 JP 7040060B2
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- current collector
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- 238000003860 storage Methods 0.000 title claims description 68
- 230000004048 modification Effects 0.000 description 18
- 238000012986 modification Methods 0.000 description 18
- 239000000463 material Substances 0.000 description 10
- 239000011149 active material Substances 0.000 description 9
- 238000004804 winding Methods 0.000 description 8
- 230000005611 electricity Effects 0.000 description 6
- 239000011347 resin Substances 0.000 description 5
- 229920005989 resin Polymers 0.000 description 5
- 229910000838 Al alloy Inorganic materials 0.000 description 4
- 229910052782 aluminium Inorganic materials 0.000 description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 239000011255 nonaqueous electrolyte Substances 0.000 description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 3
- 229910000881 Cu alloy Inorganic materials 0.000 description 3
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 3
- 239000004698 Polyethylene Substances 0.000 description 3
- 239000004734 Polyphenylene sulfide Substances 0.000 description 3
- 239000004743 Polypropylene Substances 0.000 description 3
- 229910052802 copper Inorganic materials 0.000 description 3
- 239000010949 copper Substances 0.000 description 3
- 239000008151 electrolyte solution Substances 0.000 description 3
- 239000011888 foil Substances 0.000 description 3
- 229910001416 lithium ion Inorganic materials 0.000 description 3
- 239000007773 negative electrode material Substances 0.000 description 3
- 229920000573 polyethylene Polymers 0.000 description 3
- 229920000069 polyphenylene sulfide Polymers 0.000 description 3
- 229920001155 polypropylene Polymers 0.000 description 3
- 239000007774 positive electrode material Substances 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229920000515 polycarbonate Polymers 0.000 description 2
- 239000004417 polycarbonate Substances 0.000 description 2
- -1 polypropylene Polymers 0.000 description 2
- 125000006850 spacer group Chemical group 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 229910018087 Al-Cd Inorganic materials 0.000 description 1
- 229910018188 Al—Cd Inorganic materials 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 229920001940 conductive polymer Polymers 0.000 description 1
- 238000002788 crimping Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 239000004745 nonwoven fabric Substances 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000007784 solid electrolyte Substances 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Classifications
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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
- 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
- H01M50/176—Arrangements of electric connectors penetrating the casing adapted for the shape of the cells for prismatic or rectangular cells
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G11/00—Hybrid capacitors, i.e. capacitors having different positive and negative electrodes; Electric double-layer [EDL] capacitors; Processes for the manufacture thereof or of parts thereof
- H01G11/74—Terminals, e.g. extensions of current collectors
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G11/00—Hybrid capacitors, i.e. capacitors having different positive and negative electrodes; Electric double-layer [EDL] capacitors; Processes for the manufacture thereof or of parts thereof
- H01G11/78—Cases; Housings; Encapsulations; Mountings
- H01G11/80—Gaskets; Sealings
-
- 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
- H01M50/103—Primary casings; Jackets or wrappings characterised by their shape or physical structure prismatic or rectangular
-
- 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
- H01M50/183—Sealing members
- H01M50/186—Sealing members characterised by the disposition of the sealing members
- H01M50/188—Sealing members characterised by the disposition of the sealing members the sealing members being arranged between the lid and terminal
-
- 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
- H01M50/183—Sealing members
- H01M50/19—Sealing members characterised by the material
- H01M50/193—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
- H01M50/50—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
-
- 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
- H01M50/562—Terminals characterised by the 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
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/543—Terminals
- H01M50/564—Terminals characterised by their manufacturing process
-
- 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
- H01M50/584—Means for preventing undesired use or discharge for preventing incorrect connections inside or outside the batteries
- H01M50/59—Means for preventing undesired use or discharge for preventing incorrect connections inside or outside the batteries characterised by the protection means
-
- 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
-
- 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
- H01M50/531—Electrode connections inside a battery casing
- H01M50/533—Electrode connections inside a battery casing characterised by the shape of the leads or tabs
-
- 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
- H01M50/531—Electrode connections inside a battery casing
- H01M50/534—Electrode connections inside a battery casing characterised by the material of the leads or tabs
-
- 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)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Manufacturing & Machinery (AREA)
- Sealing Battery Cases Or Jackets (AREA)
- Electric Double-Layer Capacitors Or The Like (AREA)
- Connection Of Batteries Or Terminals (AREA)
Description
[1 蓄電素子10の全般的な説明]
まず、図1及び図2を用いて、本実施の形態における蓄電素子10の全般的な説明を行う。図1は、本実施の形態に係る蓄電素子10の外観を示す斜視図である。また、図2は、本実施の形態に係る蓄電素子10を分解して各構成要素を示す分解斜視図である。
次に、集電体500の構成について、図3も用いて、詳細に説明する。図3は、本実施の形態に係る集電体500の構成を示す斜視図である。なお、図3では、図2における正極及び負極の集電体500のうち、X軸方向プラス側の集電体500を拡大して図示しているが、X軸方向マイナス側の集電体500についても同様の構成を有している。
次に、下部ガスケット400の構成について、詳細に説明する。図4は、本実施の形態に係る下部ガスケット400の構成を示す斜視図及び断面図である。具体的には、図4の(a)は、図2における正極及び負極の下部ガスケット400のうち、X軸方向プラス側の下部ガスケット400を拡大して示す図である。また、図4の(b)は、図4の(a)の下部ガスケット400をX軸まわりに180°回転させて、下部ガスケット400の下面側を示す図である。また、図4の(c)は、図4の(b)の下部ガスケット400を、下面側凹部430の位置においてXZ平面に平行な面で切断した場合の断面を拡大して示す断面図である。なお、X軸方向マイナス側の下部ガスケット400についても、同様の構成を有している。
以上のように、本発明の実施の形態に係る蓄電素子10によれば、当接部材としての集電体500に当接する下部ガスケット400の、集電体500に当接する隣り合う2面(第一面411及び第二面422)の接続部分に、第一凹部としての下面側凹部430が形成されている。このように、下部ガスケット400の当該2面の接続部分に凹部を形成することで、当該接続部分にR部が形成されないため、集電体500を当該2面の双方に当接させることができる。このことについて、図6を用いて、詳細に説明する。図6は、本実施の形態に係る蓄電素子10の効果を説明する図である。具体的には、図6は、図4の(c)または図5の(c)に対応する下面側凹部430付近の構成を示す断面図である。
次に、上記実施の形態の変形例について、説明する。図7は、本実施の形態の変形例に係る下部ガスケット401の構成を示す斜視図である。具体的には、図7の(a)は、下部ガスケット401の下面側を示す斜視図であり、図4の(b)に対応する図である。また、図7の(b)は、図7の(a)の下部ガスケット401に集電体500が配置された状態での構成を示す斜視図である。
以上、本発明の実施の形態及びその変形例に係る蓄電素子について説明したが、本発明は、この実施の形態及びその変形例に限定されるものではない。つまり、今回開示された実施の形態及びその変形例は全ての点で例示であって制限的なものではないと考えられるべきである。本発明の範囲は上記した説明ではなくて特許請求の範囲によって示され、特許請求の範囲と均等の意味及び範囲内での全ての変更が含まれることが意図される。
100 容器
120 蓋体
200 電極端子
400、401 下部ガスケット
410 第一ガスケット部
411 第一面
411a 端部中央部
412 上面側凹部
420 第二ガスケット部
422 第二面
430 下面側凹部
500 集電体
510 端子接続部
511 第一当接面
512 集電体凸部
512a 第二当接面
513 集電体凹部
520 電極体接続部
600 電極体
Claims (6)
- 容器と、
電極端子と、
集電体と、
前記容器、前記電極端子及び前記集電体の少なくとも1つである当接部材に当接するガスケットと、を備え、
前記ガスケットは、前記当接部材に当接する隣り合う2面である第一面及び第二面を有し、
前記ガスケットの、前記第一面及び前記第二面の接続部分であって前記当接部材に沿って延びる接続部分には、前記当接部材に沿って延びる第一凹部が形成されている
蓄電素子。 - 前記第一凹部は、環状とは異なる形状に形成されている
請求項1に記載の蓄電素子。 - 前記当接部材は、前記集電体であり、
前記集電体は、前記第一面及び前記第二面に当接する当接部と、前記当接部から延設されて電極体に接続される接続部とを有する
請求項1または2に記載の蓄電素子。 - 前記第一面は、前記第二面よりも、前記当接部材と当接する面積が大きく、
前記第一凹部は、前記第一面の前記第二面との接続部分が凹んで形成された凹部である
請求項1~3のいずれか1項に記載の蓄電素子。 - 前記当接部材の、前記第二面との当接面には、第二凹部が形成されており、
前記ガスケットの前記接続部分の前記第二凹部に対応する位置には、前記第一凹部は形成されていない
請求項1~4のいずれか1項に記載の蓄電素子。 - 前記ガスケットの前記第二凹部に対応する位置における前記第一面の裏面には、他の部材の凸部が挿入される第三凹部が形成されている
請求項5に記載の蓄電素子。
Priority Applications (2)
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JP2018014934A JP7040060B2 (ja) | 2018-01-31 | 2018-01-31 | 蓄電素子 |
PCT/JP2019/002895 WO2019151214A1 (ja) | 2018-01-31 | 2019-01-29 | 蓄電素子 |
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JP2018014934A JP7040060B2 (ja) | 2018-01-31 | 2018-01-31 | 蓄電素子 |
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JP2019133834A JP2019133834A (ja) | 2019-08-08 |
JP7040060B2 true JP7040060B2 (ja) | 2022-03-23 |
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WO (1) | WO2019151214A1 (ja) |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2000003698A (ja) | 1998-06-15 | 2000-01-07 | Sony Corp | ガスケットとガスケットの成形方法及びこのガスケットを用いた円筒形アルカリ電池 |
WO2012011470A1 (ja) | 2010-07-21 | 2012-01-26 | 株式会社 東芝 | 電池及び組電池 |
JP2015164102A (ja) | 2014-02-28 | 2015-09-10 | 三菱重工業株式会社 | 端子固定構造、電池、及び端子固定方法 |
JP2016105374A (ja) | 2014-12-01 | 2016-06-09 | トヨタ自動車株式会社 | 密閉型電池 |
JP2019050086A (ja) | 2017-09-08 | 2019-03-28 | トヨタ自動車株式会社 | 電池の製造方法 |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH09215260A (ja) * | 1996-01-30 | 1997-08-15 | Hitachi Ltd | モータのコード引出し部 |
JP4250779B2 (ja) * | 1998-01-12 | 2009-04-08 | パナソニック株式会社 | 密閉型電池 |
-
2018
- 2018-01-31 JP JP2018014934A patent/JP7040060B2/ja active Active
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2019
- 2019-01-29 WO PCT/JP2019/002895 patent/WO2019151214A1/ja active Application Filing
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2000003698A (ja) | 1998-06-15 | 2000-01-07 | Sony Corp | ガスケットとガスケットの成形方法及びこのガスケットを用いた円筒形アルカリ電池 |
WO2012011470A1 (ja) | 2010-07-21 | 2012-01-26 | 株式会社 東芝 | 電池及び組電池 |
JP2015164102A (ja) | 2014-02-28 | 2015-09-10 | 三菱重工業株式会社 | 端子固定構造、電池、及び端子固定方法 |
JP2016105374A (ja) | 2014-12-01 | 2016-06-09 | トヨタ自動車株式会社 | 密閉型電池 |
JP2019050086A (ja) | 2017-09-08 | 2019-03-28 | トヨタ自動車株式会社 | 電池の製造方法 |
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WO2019151214A1 (ja) | 2019-08-08 |
JP2019133834A (ja) | 2019-08-08 |
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