JP2016201359A - 電気化学的発電装置の電極の切断方法 - Google Patents
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- B23K2101/00—Articles made by soldering, welding or cutting
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Abstract
【解決手段】電気化学的発電装置の金属シート40を含む電極20を、600W以下の出力のレーザビームにより切断する方法に関し、レーザビームの発光波長に関して、光学吸収係数が0.5以上、好ましくは、0.8以上であり、切断経路の輪郭を明確にするために拡がる、切断帯と呼ばれる薄く重ねた帯状体90により、金属シートの一方の面44を部分的に覆い、レーザビームは切断帯の上に焦点を合わせ、レーザビームは切断経路を移動するために、電極に関して相対移動で駆動される切断方法。
【選択図】図3
Description
光学吸収係数が所定の波長範囲において0.5以上であり、好ましくは、0.8以上である切断帯と呼ばれる薄く重ねた帯状体が電極の金属シートの一方の面の部分上に成膜され、当該切断帯は切断経路の輪郭を明確にするために当該面の上に拡がり、
発電装置が動作する間は、電気化学的に反応するように適応された活性層と呼ばれる薄い層が金属シートの当該面に成膜され、当該切断帯は活性層の周りに部分的に拡がり、切断経路の少なくとも一部分の上で活性層から離れて位置し、
当該電極は、前述した特徴のいずれか1つの方法に従って切断される。
Claims (11)
- 電気化学的発電装置の金属シート(40)を含む電極(20)を、600W以下の出力のレーザビーム(80)により切断する方法であって、
金属シート(40)の一方の面(44)を切断帯と呼ばれる薄く重ねた帯状体(90)で部分的に覆い、
切断帯の光学吸収係数は、前記レーザビーム(80)の発光波長に関して、0.5以上、好ましくは、0.8以上であり、前記切断帯は、切断経路(91)の輪郭を明確にするために、前記面(44)の上に拡がり、
金属シート(40)の前記面(44)は活性層と呼ばれる薄い層(50)で部分的に覆われ、活性層は、発電装置が動作する間は、電気化学的に反応するように適応され、
前記切断帯(90)は、活性層(50)の周りに少なくとも部分的に拡がり、切断経路(91)の少なくとも一部分上で、活性層(50)から離れて位置し、
レーザビーム(80)は切断帯の上に焦点を合わせ、前記切断経路(91)を移動するために、電極(20)に関して相対移動で駆動される、
切断方法。 - 切断帯(90)は1つ以上の材料でできており、その少なくとも1つの材料は、活性層(50)の1つ以上の材料と共通であり、好ましくは、活性層(50)の材料と同じ材料を含む、
請求項1記載の切断方法。 - 活性層(50)は電気化学的な活物質を含む複数の材料の混合物でできており、
切断帯(90)は、活性層(50)の混合物の活物質の重量比よりも小さい活物質の重量比で、活性層(50)の材料と同じ材料の混合物でできている、
請求項2記載の切断方法。 - 活性層(50)は、炭素を含む成分及び/又はリチウム金属酸化物に基づく成分を有する
請求項1乃至請求項3のいずれか1項記載の切断方法。 - 切断帯(90)は、炭素を含む成分及び/又はリチウム金属酸化物に基づく成分を有する
請求項1乃至請求項4のいずれか1項記載の切断方法。 - 金属シート(40)は、アルミニウム、銅、ニッケル又はステンレスでできている
請求項1乃至請求項5のいずれか1項記載の切断方法。 - 電気化学的発電装置のための電極の製造方法であって、
光学吸収係数が、所定の波長の範囲に関して、0.5以上、好ましくは、0.8以上である、切断帯と呼ばれる薄く重ねた帯状体(90)を、電極(20)の金属シート(40)の一方の面(44)の部分の上に成膜し、
前記切断帯は切断経路(91)の輪郭を明確にするために、前記面(44)の上に拡がり、
発電装置が動作する間は、電気化学的に反応するように適応された、活性層と呼ばれる薄い層(50)を、金属シート(40)の前記面(44)の上に成膜し、
前記切断帯(90)は活性層(50)の周りに少なくとも部分的に拡がり、切断経路(91)の少なくとも一部分の上で、活性層(50)から離れて位置し、
前記電極(20)は、請求項1乃至請求項6のいずれか1項記載の切断方法に従って、切断される
工程を含む電極の製造方法。 - 金属シート(40)の前記面(44)の上に、活性層(50)及び切断帯(90)を同時に成膜する
工程を含む請求項7記載の電極の製造方法。 - 金属シート(40)の前記面(44)の上に、活性層(50)及び切断帯(90)をスクリーン印刷により成膜する
工程を含む請求項7又は請求項8記載の電極の製造方法。 - 電気化学的発電装置の電極(20)が得られる
請求項7乃至請求項9のいずれか1項記載の電極の製造方法。 - 電気化学的発電装置は少なくとも1つの電極(20)を有する
請求項7乃至請求項10のいずれか1項記載の電極の製造方法。
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR1553048A FR3034913B1 (fr) | 2015-04-09 | 2015-04-09 | Procede de decoupe d'un electrode d'un generateur electrochimique |
| FR1553048 | 2015-04-09 |
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| Publication Number | Publication Date |
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| JP2016201359A true JP2016201359A (ja) | 2016-12-01 |
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| Country | Link |
|---|---|
| US (1) | US10601028B2 (ja) |
| EP (1) | EP3079197B1 (ja) |
| JP (1) | JP2016201359A (ja) |
| FR (1) | FR3034913B1 (ja) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2022134091A (ja) * | 2021-03-02 | 2022-09-14 | 株式会社リコー | 電極製造方法及び電極製造装置 |
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| KR102292321B1 (ko) * | 2017-10-31 | 2021-08-20 | 주식회사 엘지에너지솔루션 | 이차전지용 전극의 제조 방법 |
| WO2019143358A1 (en) * | 2018-01-19 | 2019-07-25 | Ncc Nano, Llc | Method for curing solder paste on a thermally fragile substrate |
| WO2020008047A1 (en) * | 2018-07-05 | 2020-01-09 | Tetra Laval Holdings & Finance S.A. | A laser ablation marking system for and a method of providing an image to a web of packaging material |
| EP3711894A1 (en) * | 2019-03-22 | 2020-09-23 | Bystronic Laser AG | Laser cutting method |
| EP4302342A1 (en) * | 2021-03-02 | 2024-01-10 | Ricoh Company, Ltd. | Electrode manufacturing method and electrode manufacturing apparatus |
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- 2015-04-09 FR FR1553048A patent/FR3034913B1/fr not_active Expired - Fee Related
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- 2016-04-06 JP JP2016076336A patent/JP2016201359A/ja not_active Ceased
- 2016-04-06 EP EP16163964.6A patent/EP3079197B1/fr active Active
- 2016-04-08 US US15/093,898 patent/US10601028B2/en not_active Expired - Fee Related
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| JPS5530813A (en) * | 1978-08-25 | 1980-03-04 | Tokyo Shibaura Electric Co | Method of manufacturing conductor foil for motor |
| JPH0332486A (ja) * | 1989-06-29 | 1991-02-13 | Jujo Paper Co Ltd | 光加工方法 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2022134091A (ja) * | 2021-03-02 | 2022-09-14 | 株式会社リコー | 電極製造方法及び電極製造装置 |
| JP7838273B2 (ja) | 2021-03-02 | 2026-04-01 | 株式会社リコー | 電極製造方法及び電極製造装置 |
Also Published As
| Publication number | Publication date |
|---|---|
| EP3079197B1 (fr) | 2017-11-15 |
| US10601028B2 (en) | 2020-03-24 |
| EP3079197A1 (fr) | 2016-10-12 |
| US20160301064A1 (en) | 2016-10-13 |
| FR3034913A1 (fr) | 2016-10-14 |
| FR3034913B1 (fr) | 2017-05-05 |
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