JP6070552B2 - 蓄電デバイスの製造方法 - Google Patents
蓄電デバイスの製造方法 Download PDFInfo
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- JP6070552B2 JP6070552B2 JP2013522451A JP2013522451A JP6070552B2 JP 6070552 B2 JP6070552 B2 JP 6070552B2 JP 2013522451 A JP2013522451 A JP 2013522451A JP 2013522451 A JP2013522451 A JP 2013522451A JP 6070552 B2 JP6070552 B2 JP 6070552B2
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- 238000003860 storage Methods 0.000 title claims description 50
- 238000000034 method Methods 0.000 title claims description 29
- 238000004519 manufacturing process Methods 0.000 title claims description 23
- 238000003466 welding Methods 0.000 claims description 199
- 238000007789 sealing Methods 0.000 claims description 33
- 238000010894 electron beam technology Methods 0.000 claims description 24
- 230000005611 electricity Effects 0.000 claims description 18
- 210000004508 polar body Anatomy 0.000 claims description 2
- 238000005192 partition Methods 0.000 description 57
- 238000009413 insulation Methods 0.000 description 21
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- 230000002093 peripheral effect Effects 0.000 description 16
- 238000009434 installation Methods 0.000 description 13
- 238000012545 processing Methods 0.000 description 9
- 238000004804 winding Methods 0.000 description 9
- 229910052744 lithium Inorganic materials 0.000 description 8
- 125000006850 spacer group Chemical group 0.000 description 8
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 7
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 7
- 229910052782 aluminium Inorganic materials 0.000 description 7
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 7
- 230000015572 biosynthetic process Effects 0.000 description 7
- 239000003990 capacitor Substances 0.000 description 7
- 238000000748 compression moulding Methods 0.000 description 7
- 239000000463 material Substances 0.000 description 7
- 238000000465 moulding Methods 0.000 description 7
- 239000011888 foil Substances 0.000 description 6
- 230000007246 mechanism Effects 0.000 description 6
- 230000002238 attenuated effect Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 4
- 230000017525 heat dissipation Effects 0.000 description 4
- 229910001416 lithium ion Inorganic materials 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 238000013459 approach Methods 0.000 description 3
- 239000003575 carbonaceous material Substances 0.000 description 3
- 238000001816 cooling Methods 0.000 description 3
- 238000005520 cutting process Methods 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 238000002844 melting Methods 0.000 description 3
- 230000008018 melting Effects 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 238000003825 pressing Methods 0.000 description 3
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- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 2
- 230000003811 curling process Effects 0.000 description 2
- 239000007772 electrode material Substances 0.000 description 2
- 239000008151 electrolyte solution Substances 0.000 description 2
- 230000001678 irradiating effect Effects 0.000 description 2
- NUJOXMJBOLGQSY-UHFFFAOYSA-N manganese dioxide Chemical compound O=[Mn]=O NUJOXMJBOLGQSY-UHFFFAOYSA-N 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 229920003002 synthetic resin Polymers 0.000 description 2
- 239000000057 synthetic resin Substances 0.000 description 2
- FYSNRJHAOHDILO-UHFFFAOYSA-N thionyl chloride Chemical compound ClS(Cl)=O FYSNRJHAOHDILO-UHFFFAOYSA-N 0.000 description 2
- 229910000314 transition metal oxide Inorganic materials 0.000 description 2
- 229910000733 Li alloy Inorganic materials 0.000 description 1
- 229910003307 Ni-Cd Inorganic materials 0.000 description 1
- 229910018095 Ni-MH Inorganic materials 0.000 description 1
- 229910018477 Ni—MH Inorganic materials 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 1
- KLARSDUHONHPRF-UHFFFAOYSA-N [Li].[Mn] Chemical compound [Li].[Mn] KLARSDUHONHPRF-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000011149 active material Substances 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 210000004027 cell Anatomy 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
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- 238000010586 diagram Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 239000001307 helium Substances 0.000 description 1
- 229910052734 helium Inorganic materials 0.000 description 1
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 150000002641 lithium Chemical class 0.000 description 1
- 239000001989 lithium alloy Substances 0.000 description 1
- 229910000625 lithium cobalt oxide Inorganic materials 0.000 description 1
- 229910003002 lithium salt Inorganic materials 0.000 description 1
- 159000000002 lithium salts Chemical class 0.000 description 1
- -1 lithium titanate Chemical class 0.000 description 1
- BFZPBUKRYWOWDV-UHFFFAOYSA-N lithium;oxido(oxo)cobalt Chemical compound [Li+].[O-][Co]=O BFZPBUKRYWOWDV-UHFFFAOYSA-N 0.000 description 1
- URIIGZKXFBNRAU-UHFFFAOYSA-N lithium;oxonickel Chemical compound [Li].[Ni]=O URIIGZKXFBNRAU-UHFFFAOYSA-N 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 239000007773 negative electrode material Substances 0.000 description 1
- SOQBVABWOPYFQZ-UHFFFAOYSA-N oxygen(2-);titanium(4+) Chemical class [O-2].[O-2].[Ti+4] SOQBVABWOPYFQZ-UHFFFAOYSA-N 0.000 description 1
- 239000007774 positive electrode material Substances 0.000 description 1
- 229910052596 spinel Inorganic materials 0.000 description 1
- 239000011029 spinel Substances 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 1
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- H01M50/10—Primary casings; Jackets or wrappings
- H01M50/172—Arrangements of electric connectors penetrating the casing
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- H01M50/182—Arrangements of electric connectors penetrating the casing adapted for the shape of the cells for cells with a collector centrally disposed in the active mass, e.g. Leclanché cells
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- H—ELECTRICITY
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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
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/531—Electrode connections inside a battery casing
- H01M50/538—Connection of several leads or tabs of wound or folded electrode stacks
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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
- H01M50/172—Arrangements of electric connectors penetrating the casing
- H01M50/174—Arrangements of electric connectors penetrating the casing adapted for the shape of the cells
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G9/00—Electrolytic capacitors, rectifiers, detectors, switching devices, light-sensitive or temperature-sensitive devices; Processes of their manufacture
- H01G9/0029—Processes of manufacture
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K15/00—Electron-beam welding or cutting
- B23K15/0046—Welding
- B23K15/008—Spot welding
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
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- B23K26/22—Spot welding
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- 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
- H01G11/66—Current collectors
- H01G11/70—Current collectors characterised by their structure
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- H01M50/10—Primary casings; Jackets or wrappings
- H01M50/147—Lids or covers
- H01M50/148—Lids or covers characterised by their shape
- H01M50/154—Lid or cover comprising an axial bore for receiving a central current collector
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- H01M50/166—Lids or covers characterised by the methods of assembling casings with lids
- H01M50/171—Lids or covers characterised by the methods of assembling casings with lids using adhesives or sealing agents
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- H01M50/10—Primary casings; Jackets or wrappings
- H01M50/172—Arrangements of electric connectors penetrating 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
- H01M50/172—Arrangements of electric connectors penetrating the casing
- H01M50/174—Arrangements of electric connectors penetrating the casing adapted for the shape of the cells
- H01M50/179—Arrangements of electric connectors penetrating the casing adapted for the shape of the cells for cells having curved cross-section, e.g. round or elliptic
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- 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
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- H01M50/559—Terminals adapted for cells having curved cross-section, e.g. round, elliptic or button cells
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- B23K2101/00—Articles made by soldering, welding or cutting
- B23K2101/36—Electric or electronic devices
- B23K2101/38—Conductors
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- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
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- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
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- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Manufacturing & Machinery (AREA)
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- Electric Double-Layer Capacitors Or The Like (AREA)
- Fixed Capacitors And Capacitor Manufacturing Machines (AREA)
Description
h5 =h4−t≧h2 −h3 ・・・(1)
に設定されている。従って、端子接続部48の内側の高さをh5は、区画部12A、14Aの突出高さh2と各区画部12B、12C、14B、14Cの高さh3との差分Δh(=h2−h3)を吸収し、集電板32が各区画部12B、12Cに密着し、且つ区画部12Aを収納して設置される。
4 電池素子
8 外装ケース
10 素子端面
12 正極部
14 負極部
16 絶縁間隔
18 封口板
28、130 正極端子
30、134 負極端子
32 正極側の集電板
34 負極側の集電板
36 絶縁間隔
38 溶接接続部
40 素子中心
44 切欠部
46 凹部
48 端子接続部
50 素子接続部
52 第1の溶接面部
54 第2の溶接面部
120 正極側の集電体
140 負極側の集電体
56、58 セパレータ
60 折目
62 仕切り線
12A、12B、12C 区画部
14A、14B、14C 区画部
64 レーザ照射装置
66 レーザ照射
68 レーザ照射部位
72、74 接続板
76 接続凹部
78 溶接面部
80 突出面部
84 凹部
86 突部
90 ベース材
92 分極性電極
94 切込み
96 段部
98 チャック機構
112 溶接面部
114 素子覆い部
116 凹部
118 レーザ出射部
119 レーザ照射点
122 突部
132 正極集電板
136 負極集電板
138 ナゲット
153 カバー部
163 テーパ面
164 端子側接続面
165 接触面
169 レーザビーム
171、173 照射位置
177 スパッタ
Claims (5)
- セパレータを介在させた正極体と負極体とを備える蓄電素子を形成する工程と、
前記蓄電素子の正極側および負極側の電極体の何れか一方または双方を素子端面に引き出させた単一または複数の電極張出し部を形成する工程と、
前記電極張出し部および集電板を側面間で溶接により接続する工程と、
前記電極張出し部に接続された前記集電板の側面に形成された第1の溶接面部と、前記蓄電素子を収容するケース部材を封口する封口部材に設置された端子部材の側面に形成された第2の溶接面部とを一致させて共通の面部を形成し、該面部で前記端子部材と前記集電板とを、レーザ溶接または電子ビーム溶接により溶接して、前記端子部材と前記電極張出し部とを前記集電板を介在させて接続する工程と、
を含み、前記集電板と前記端子部材との接触面と異なる位置にレーザビームまたは電子ビームの照射位置を設定し、この照射位置にレーザビームまたは電子ビームの中心位置を合わせて照射することを特徴とする、蓄電デバイスの製造方法。 - 前記集電板を固定するとともに、前記集電板に前記蓄電素子を押し当てた状態で前記集電板と前記電極張出し部とをレーザ溶接により接続する工程を含むことを特徴とする、請求項1に記載の蓄電デバイスの製造方法。
- 前記集電板の上面に溶接ラインを設定し、該溶接ラインでレーザ照射を行い、前記集電板と前記蓄電素子の電極張出し部とを溶接する工程を含むことを特徴とする、請求項1または請求項2に記載の蓄電デバイスの製造方法。
- 前記集電板に設定された溶接ライン上で照射するレーザ出力を変化させる工程を含むことを特徴とする、請求項1ないし3のいずれかに記載の蓄電デバイスの製造方法。
- 前記面部で前記端子部材と前記集電板とを溶接する前記レーザ溶接または前記電子ビーム溶接のナゲット深さは1.2〔mm〕以下であることを特徴とする、請求項1に記載の蓄電デバイスの製造方法。
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2011143558 | 2011-06-28 | ||
| JP2011143558 | 2011-06-28 | ||
| PCT/JP2012/004198 WO2013001821A1 (ja) | 2011-06-28 | 2012-06-28 | 蓄電デバイスおよび蓄電デバイスの製造方法 |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2016218780A Division JP6264431B2 (ja) | 2011-06-28 | 2016-11-09 | 蓄電デバイス |
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| JP2012104621A (ja) | 2010-11-09 | 2012-05-31 | Nippon Chemicon Corp | コンデンサ及びその製造方法 |
| JP6069818B2 (ja) | 2011-06-30 | 2017-02-01 | 日本ケミコン株式会社 | コンデンサの製造方法および製造プログラム |
| JP2012104618A (ja) | 2010-11-09 | 2012-05-31 | Nippon Chemicon Corp | コンデンサ及びその製造方法 |
| JP2012104622A (ja) | 2010-11-09 | 2012-05-31 | Nippon Chemicon Corp | コンデンサ及びその製造方法 |
| JP5866772B2 (ja) | 2011-02-22 | 2016-02-17 | 日本ケミコン株式会社 | コンデンサ及びその端子接続方法 |
| WO2012023289A1 (ja) * | 2010-08-18 | 2012-02-23 | 日本ケミコン株式会社 | コンデンサ、その製造方法及び製造プログラム |
| US8309246B2 (en) * | 2010-10-25 | 2012-11-13 | Sb Limotive Co., Ltd. | Terminal of rechargeable battery and method of manufacturing the same |
| JP5961940B2 (ja) | 2011-07-21 | 2016-08-03 | 日本ケミコン株式会社 | コンデンサの製造方法 |
| CN103210459B (zh) | 2010-11-09 | 2016-08-10 | 日本贵弥功株式会社 | 电容器及其制造方法 |
| JP5961939B2 (ja) | 2011-07-21 | 2016-08-03 | 日本ケミコン株式会社 | コンデンサの製造方法 |
| US8780528B2 (en) | 2011-06-27 | 2014-07-15 | Panasonic Corporation | Electrolyte and electric double-layer capacitor using same |
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2012
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- 2012-06-28 KR KR1020147001939A patent/KR101943675B1/ko not_active Expired - Fee Related
- 2012-06-28 CN CN201280031675.1A patent/CN103620824B/zh active Active
- 2012-06-28 WO PCT/JP2012/004198 patent/WO2013001821A1/ja not_active Ceased
- 2012-06-28 JP JP2013522451A patent/JP6070552B2/ja active Active
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024127898A1 (ja) * | 2022-12-12 | 2024-06-20 | パナソニックエナジー株式会社 | 蓄電装置および蓄電装置の製造方法 |
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|---|---|
| JP2017063044A (ja) | 2017-03-30 |
| CN103620824B (zh) | 2017-07-04 |
| CN103620824A (zh) | 2014-03-05 |
| EP2728647A4 (en) | 2015-03-04 |
| US20140113185A1 (en) | 2014-04-24 |
| EP2728647B1 (en) | 2018-10-10 |
| JPWO2013001821A1 (ja) | 2015-02-23 |
| EP2728647A1 (en) | 2014-05-07 |
| JP6264431B2 (ja) | 2018-01-24 |
| US10777802B2 (en) | 2020-09-15 |
| WO2013001821A1 (ja) | 2013-01-03 |
| KR101943675B1 (ko) | 2019-01-29 |
| KR20140047091A (ko) | 2014-04-21 |
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