JP2017054587A - 積層電極体の製造方法 - Google Patents
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Abstract
【解決手段】正極帯シート上にセパレータ層を形成し(ステップ(S)1B)、正極帯シートと負極帯シートを連続送りしながら正極帯シートを裁断し(S5)、裁断された正極シートを未裁断の負極帯シート上にセパレータ層を介在させて重ね、送りながらクランプし(S6)、未裁断の負極帯シートを重ねた正極シートの裁断隙間にて裁断して、重ねた正極シートと負極シートを含むシートユニットを形成し(S7)、シートユニットの重ね形状を計測し、その形状良否を判定し(S8A)、良否判定結果に応じてシートユニットを分別配置し(S10,S11)、良品のシートユニットを複数組集めて積層しプレスして積層電極体を得る(S12)。ここで、クランプ工程(S6)のクランプタイミングに合わせて正極シートの裁断(S5)を実施する。
【選択図】図10
Description
1<V2/V1≦1.25 …式(1)
0.5T≦D<0.9T …式(A)
1<V2/V1≦1.25 …式(B)
V2>V1 …式(C)
L2/(L1+L2)=V2/V1 …式(D)
2 正極帯状シート
2A 正極シート
3 負極帯状シート
3A 負極シート
4 セパレータ層
12 正極ロール
13 負極ロール
15 シートユニット
20 製造装置
21 第1の送りローラ(送りローラ)
22 第1の裁断ローラ(送りローラ)
23 第2の送りローラ(送りローラ)
25 クランプローラ
25A ローラ
25B ローラ
25a 切欠き
26 第2の裁断ローラ(送りローラ)
27 第3の送りローラ(送りローラ)
28 収容ラック
29 裁断刃
33 裁断刃
40 プレス機
50 コントローラ
53 カメラ
56 寸法計測器
V1 第1の送り速度
V2 第2の送り速度
Claims (3)
- 正極帯状シート及び負極帯状シートの少なくとも一方の電極表面にセパレータ層を形成するセパレータ層形成工程と、
前記正極帯状シート及び前記負極帯状シートのそれぞれを送りローラにより連続的に送り出しながら前記正極帯状シート又は前記負極帯状シートを裁断する第1の裁断工程と、
裁断された正極シート又は負極シートを未裁断の前記負極帯状シート又は前記正極帯状シート上に前記セパレータ層を介在させて重ねて配置し、クランプローラにより送り出しながらクランプするクランプ工程と、
未裁断の前記負極帯状シート又は前記正極帯状シートをそれに重ねて配置された前記正極シート又は前記負極シートの裁断隙間にて裁断することにより、重ねて配置された前記正極シートと前記負極シートとを含むシートユニットを得る第2の裁断工程と、
前記シートユニットの重ね形状を計測し、前記重ね形状の良否を判定する重ね形状判定工程と、
前記良否の判定結果に応じて前記シートユニットを良品と不良品とに分別配置する分別工程と、
前記シートユニットの良品を複数組積層しプレスすることにより積層電極体を得るプレス工程と
を備え、前記クランプ工程でのクランプのタイミングに合わせて前記第1の裁断工程の裁断を実施することを特徴とする積層電極体の製造方法。 - 前記第1の裁断工程における裁断は、前記送りローラに設けられた裁断刃により行われるように構成し、
前記送りローラによる第1の送り速度をV1とし、前記クランプローラによる第2の送り速度をV2とすると、V1とV2が以下の式(1)の関係を満たすことを特徴とする請求項1に記載の積層電極体の製造方法。
1<V2/V1≦1.25 …式(1) - 前記クランプローラは、互いに接する一対のローラを含み、その一方のローラの外周に軸方向に延びる切欠きが形成され、
前記クランプローラの回転時に、前記一方のローラの前記切欠きにより前記クランプローラを一時的にアンクランプな状態とすることにより、前記第1の送り速度と前記第2の送り速度との速度差を吸収することを特徴とする請求項2に記載の積層電極体の製造方法。
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| Application Number | Priority Date | Filing Date | Title |
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| JP2015175502A JP6372453B2 (ja) | 2015-09-07 | 2015-09-07 | 積層電極体の製造方法 |
| CN201610801707.1A CN106505238B (zh) | 2015-09-07 | 2016-09-05 | 层叠电极体的制造方法 |
| KR1020160113748A KR101760417B1 (ko) | 2015-09-07 | 2016-09-05 | 적층 전극체의 제조 방법 |
| US15/258,390 US9812697B2 (en) | 2015-09-07 | 2016-09-07 | Manufacturing method of laminated electrode body |
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| JP2015175502A JP6372453B2 (ja) | 2015-09-07 | 2015-09-07 | 積層電極体の製造方法 |
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| JP2018105212A Division JP6769457B2 (ja) | 2018-05-31 | 2018-05-31 | 積層電極体の製造方法、積層電極体及び電池 |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2018081776A (ja) * | 2016-11-14 | 2018-05-24 | トヨタ自動車株式会社 | 積層電池製造装置 |
| CN110890586A (zh) * | 2019-12-02 | 2020-03-17 | 天津昊宸智能科技有限公司 | 一种电池极片的叠片装置及叠片方法 |
| JPWO2020203116A1 (ja) * | 2019-03-29 | 2020-10-08 | ||
| US11180328B2 (en) | 2019-03-19 | 2021-11-23 | Kabushiki Kaisha Toshiba | Sheet stacking apparatus and sheet stacking method |
| KR20220046821A (ko) * | 2020-10-08 | 2022-04-15 | 주식회사 엘지에너지솔루션 | 전극조립체의 적층 불량 검출 방법, 절연 부재를 포함하는 전극조립체 및 이를 포함하는 전지 셀 |
| JP2024507396A (ja) * | 2021-12-03 | 2024-02-19 | 寧徳時代新能源科技股▲分▼有限公司 | 電池の電極シートの不良品廃棄制御方法、装置及びデバイス |
| JP2025504161A (ja) * | 2022-02-21 | 2025-02-06 | エルジー エナジー ソリューション リミテッド | 電極切断装置および方法 |
| JP2025506800A (ja) * | 2022-08-31 | 2025-03-13 | エルジー エナジー ソリューション リミテッド | 電極基材の切断装置 |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102167118B1 (ko) | 2017-04-26 | 2020-10-16 | 주식회사 엘지화학 | 이차전지용 라미네이션장치 |
| DE102017216133A1 (de) * | 2017-09-13 | 2019-03-14 | Robert Bosch Gmbh | Verfahren zum Trennen bandförmigen Elektroden- und Separatormaterials auf einer gekrümmten Oberfläche |
| US11367864B2 (en) * | 2018-11-08 | 2022-06-21 | Tesla, Inc. | Intermittently coated dry electrode for energy storage device and method of manufacturing the same |
| DE102018219619A1 (de) * | 2018-11-16 | 2020-06-04 | Volkswagen Aktiengesellschaft | Verfahren zum Schneiden von einem kontinuierlichen Batterieelektrodenmaterial zur Herstellung von Batterieelektroden sowie eine Batterieelektrode |
| CN113632278B (zh) * | 2019-03-29 | 2024-08-09 | 松下控股株式会社 | 电极体的输送滚筒 |
| US12107231B2 (en) | 2019-03-29 | 2024-10-01 | Panasonic Holdings Corporation | Laminated electrode assembly manufacturing device and method |
| WO2020203114A1 (ja) * | 2019-03-29 | 2020-10-08 | パナソニック株式会社 | 積層電極体の製造装置 |
| CN118830097A (zh) * | 2022-03-16 | 2024-10-22 | 松下知识产权经营株式会社 | 制造装置 |
| DE102022107183A1 (de) | 2022-03-25 | 2023-09-28 | Volkswagen Aktiengesellschaft | Verfahren zur Herstellung eines Elektrode-Separatoren-Verbunds für eine Batterie |
| DE102022128219A1 (de) * | 2022-10-25 | 2024-04-25 | Körber Technologies Gmbh | Laminiervorrichtung zum Laminieren von mehrlagigen Endlosbahnen zur Herstellung von Energiezellen |
| DE102024115976A1 (de) * | 2024-06-07 | 2025-12-11 | Mb Automation Gmbh & Co. Kg | Laminationssystem und Verfahren zur Lamination von Nutzen mit einem Bahnmaterial |
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| JP2018081776A (ja) * | 2016-11-14 | 2018-05-24 | トヨタ自動車株式会社 | 積層電池製造装置 |
| US11180328B2 (en) | 2019-03-19 | 2021-11-23 | Kabushiki Kaisha Toshiba | Sheet stacking apparatus and sheet stacking method |
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| JP7604363B2 (ja) | 2019-03-29 | 2024-12-23 | パナソニックホールディングス株式会社 | 積層電極体の製造装置及び製造方法 |
| CN110890586A (zh) * | 2019-12-02 | 2020-03-17 | 天津昊宸智能科技有限公司 | 一种电池极片的叠片装置及叠片方法 |
| JP7493735B2 (ja) | 2020-10-08 | 2024-06-03 | エルジー エナジー ソリューション リミテッド | 電極組立体の積層不良の検出方法、絶縁部材を含む電極組立体及びそれを含む電池セル |
| JP2023501418A (ja) * | 2020-10-08 | 2023-01-18 | エルジー エナジー ソリューション リミテッド | 電極組立体の積層不良の検出方法、絶縁部材を含む電極組立体及びそれを含む電池セル |
| CN114651356A (zh) * | 2020-10-08 | 2022-06-21 | 株式会社Lg新能源 | 电极组件堆叠故障检测方法、包括绝缘构件的电极组件以及包括其的电池电芯 |
| EP4044307A4 (en) * | 2020-10-08 | 2024-06-19 | LG Energy Solution, Ltd. | METHOD FOR STACK FAULT DETECTION IN AN ELECTRODE ARRANGEMENT, ELECTRODE ARRANGEMENT WITH AN INSULATING ELEMENT AND BATTERY CELL THEREOF |
| CN114651356B (zh) * | 2020-10-08 | 2024-08-20 | 株式会社Lg新能源 | 电极组件堆叠故障检测方法、包括绝缘构件的电极组件以及包括其的电池电芯 |
| KR20220046821A (ko) * | 2020-10-08 | 2022-04-15 | 주식회사 엘지에너지솔루션 | 전극조립체의 적층 불량 검출 방법, 절연 부재를 포함하는 전극조립체 및 이를 포함하는 전지 셀 |
| US12272794B2 (en) | 2020-10-08 | 2025-04-08 | Lg Energy Solution, Ltd. | Electrode assembly stacking fault detection method, electrode assembly including insulating member, and battery cell including same |
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| JP2024507396A (ja) * | 2021-12-03 | 2024-02-19 | 寧徳時代新能源科技股▲分▼有限公司 | 電池の電極シートの不良品廃棄制御方法、装置及びデバイス |
| JP7705464B2 (ja) | 2021-12-03 | 2025-07-09 | 香港時代新能源科技有限公司 | 電池の電極シートの不良品廃棄制御方法、装置及びデバイス |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN106505238B (zh) | 2019-07-05 |
| JP6372453B2 (ja) | 2018-08-15 |
| CN106505238A (zh) | 2017-03-15 |
| KR101760417B1 (ko) | 2017-07-31 |
| US9812697B2 (en) | 2017-11-07 |
| US20170069905A1 (en) | 2017-03-09 |
| KR20170029388A (ko) | 2017-03-15 |
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