JP2023521313A - 電極リード折曲及び溶接装置及びこれを用いた電極リードの溶接方法 - Google Patents
電極リード折曲及び溶接装置及びこれを用いた電極リードの溶接方法 Download PDFInfo
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- 238000003466 welding Methods 0.000 title claims abstract description 139
- 238000005452 bending Methods 0.000 title claims abstract description 116
- 238000000034 method Methods 0.000 title claims abstract description 31
- WABPQHHGFIMREM-RNFDNDRNSA-N lead-211 Chemical compound [211Pb] WABPQHHGFIMREM-RNFDNDRNSA-N 0.000 description 13
- 230000008569 process Effects 0.000 description 13
- 230000007547 defect Effects 0.000 description 7
- 230000002950 deficient Effects 0.000 description 4
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 3
- 229910052744 lithium Inorganic materials 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000008439 repair process Effects 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 238000003915 air pollution Methods 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/20—Bonding
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- 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
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- B23K33/00—Specially-profiled edge portions of workpieces for making soldering or welding connections; Filling the seams formed thereby
- B23K33/002—Crimping or bending the workpieces at the joining area
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- B23K37/0426—Fixtures for other work
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- B23K37/0443—Jigs
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- H01M50/50—Current conducting connections for cells or batteries
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- H01M50/50—Current conducting connections for cells or batteries
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- H01M50/509—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing characterised by the type of connection, e.g. mixed connections
- H01M50/512—Connection only in parallel
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- B21D39/00—Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders
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- B21D39/031—Joining superposed plates by locally deforming without slitting or piercing
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- B23K2101/00—Articles made by soldering, welding or cutting
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- B23K2101/00—Articles made by soldering, welding or cutting
- B23K2101/36—Electric or electronic devices
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- B23K2103/00—Materials to be soldered, welded or cut
- B23K2103/08—Non-ferrous metals or alloys
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- B23K2103/00—Materials to be soldered, welded or cut
- B23K2103/18—Dissimilar materials
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- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/204—Racks, modules or packs for multiple batteries or multiple cells
- H01M50/207—Racks, modules or packs for multiple batteries or multiple cells characterised by their shape
- H01M50/211—Racks, modules or packs for multiple batteries or multiple cells characterised by their shape adapted for pouch cells
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Abstract
Description
111、112、211 電極リード
120 電極リード折曲装置
130、230 バスバー
131、231 スリット
211a 第1面
220、320 電極リード折曲及び溶接装置
221、321、421 ベース部
222、322、422 折曲部
222a、322a 折曲部の下面
223、323、423 センシング部
224 中空
322b 折曲部の側面
325 溶接棒
420、420´ 単位体
427 凹部
428 突部
w 折曲幅
Claims (16)
- 垂直方向及び水平方向に移動可能なベース部と、
前記ベース部に付着され、下方に延びる折曲部と、
前記折曲部に回転可能に付着されているセンシング部と、
を含み、
前記折曲部が電極リードを折り曲げた状態で前記電極リードとバスバーとの間の溶接を遂行する、電極リード折曲及び溶接装置。 - 前記センシング部は、前記折曲部が前記電極リードを折り曲げる前には前記折曲部の下面に対して垂直な状態で前記折曲部に付着されており、前記電極リードを折り曲げるときには前記折曲部の下面に平行な状態になるように回転する構造を有する、請求項1に記載の電極リード折曲及び溶接装置。
- 前記センシング部と前記折曲部の下面とが成す角度を測定して前記電極リードの折曲状態の良否を判断する、請求項2に記載の電極リード折曲及び溶接装置。
- 前記センシング部とバスバーとが成す角度を測定して前記電極リードの折曲状態の良否を判断する、請求項2に記載の電極リード折曲及び溶接装置。
- 前記センシング部と前記バスバーとの間に形成される間隔の大きさは前記電極リードの厚さと同じに形成される、請求項1から4のいずれか一項に記載の電極リード折曲及び溶接装置。
- 前記センシング部は弾性部材を介して前記折曲部に結合され、前記電極リードの溶接が終了した後、前記弾性部材の弾性力によって前記センシング部は待機状態に戻る、請求項1から5のいずれか一項に記載の電極リード折曲及び溶接装置。
- 前記電極リードと前記バスバーとの間の溶接状態を検査するためのビジョンカメラをさらに含む、請求項1から6のいずれか一項に記載の電極リード折曲及び溶接装置。
- 前記折曲部は中空が形成された四角柱形態を有し、前記中空を通して溶接棒が挿入されて溶接される、請求項1から7のいずれか一項に記載の電極リード折曲及び溶接装置。
- 前記折曲部の下面に溶接棒が提供されている、請求項1から8のいずれか一項に記載の電極リード折曲及び溶接装置。
- 1個のセンシング部が結合された1個の折曲部が前記ベース部に付着されて単位体を形成し、複数の単位体が組み立てられる構造を有する、請求項1から9のいずれか一項に記載の電極リード折曲及び溶接装置。
- 請求項1から10のいずれか一項に記載の電極リード折曲及び溶接装置を用いた電極リードの溶接方法であって、
(a)電池セルを準備し、電極リードがバスバーのスリットを通過するように配置する段階と、
(b)電極リードの第1面に電極リード折曲及び溶接装置の折曲部を配置する段階と、
(c)前記電極リードを折り曲げる段階と、
(d)折り曲げられた電極リードを前記バスバーに溶接する段階と、
を含む、電極リードの溶接方法。 - 前記(d)段階の前、前記電極リードの折曲状態の良否を判断する段階をさらに含む、請求項11に記載の電極リードの溶接方法。
- 前記(b)段階で、
前記電極リード折曲及び溶接装置は下方に移動し、
前記電極リード折曲及び溶接装置のセンシング部は前記電極リードが突出する方向に平行に前記バスバーのスリットを通過するように位置し、
前記電極リード折曲及び溶接装置の折曲部の下面は前記バスバーに隣接して配置される、請求項11または12に記載の電極リードの溶接方法。 - 前記(c)段階は、電極リードの第1面上に前記折曲部を配置し、前記第1面の反対側の第2面が前記バスバーと平行に対面するように前記折曲部を水平に移動させる過程を含む、請求項11から13のいずれか一項に記載の電極リードの溶接方法。
- 前記電極リード折曲及び溶接装置のセンシング部は、前記折曲部の水平移動によって、第1方向に90度回転して前記バスバーの外面に位置する、請求項11から14のいずれか一項に記載の電極リードの溶接方法。
- 前記センシング部は、前記段階(d)の後、前記バスバーから遠くなり、前記第1方向の反対方向である第2方向に90度回転して待機状態に戻る、請求項15に記載の電極リードの溶接方法。
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KR10-2020-0087736 | 2020-07-15 | ||
PCT/KR2021/008746 WO2022014954A1 (ko) | 2020-07-15 | 2021-07-08 | 전극리드의 절곡 및 용접 장치 및 이를 이용한 전극리드의 용접 방법 |
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KR102090787B1 (ko) | 2017-01-11 | 2020-03-18 | 주식회사 엘지화학 | 레이저 용접용 지그 어셈블리 |
US10249857B2 (en) * | 2017-03-22 | 2019-04-02 | GM Global Technology Operations LLC | Battery bus bar design and laser welding |
KR102157377B1 (ko) | 2017-05-25 | 2020-09-17 | 주식회사 엘지화학 | 배터리 모듈, 이를 포함하는 배터리 팩 및 배터리 모듈 생산 방법 |
KR20190018379A (ko) | 2017-08-14 | 2019-02-22 | 곽병재 | 기저귀용 분뇨 검출 장치 및 분뇨 검출 리더기 |
CN109752386B (zh) * | 2019-01-31 | 2021-03-26 | 浙江双元科技股份有限公司 | 锂电池卷芯极耳的检测装置及锂电池生产线 |
KR102015898B1 (ko) | 2019-04-25 | 2019-08-28 | 백영진 | 2차전지셀 리드탭 절곡 장치 |
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2020
- 2020-07-15 KR KR1020200087736A patent/KR20220009251A/ko active Search and Examination
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2021
- 2021-07-08 CN CN202180015965.6A patent/CN115151370B/zh active Active
- 2021-07-08 WO PCT/KR2021/008746 patent/WO2022014954A1/ko unknown
- 2021-07-08 JP JP2022560125A patent/JP2023521313A/ja active Pending
- 2021-07-08 US US17/913,084 patent/US20230166362A1/en active Pending
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EP4098393A1 (en) | 2022-12-07 |
KR20220009251A (ko) | 2022-01-24 |
WO2022014954A1 (ko) | 2022-01-20 |
CN115151370B (zh) | 2023-09-08 |
EP4098393A4 (en) | 2023-08-23 |
US20230166362A1 (en) | 2023-06-01 |
CN115151370A (zh) | 2022-10-04 |
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