JP2019115928A - 2つの金属材料間の溶接又は粉体の焼結にレーザーを用いる方法、pem燃料電池用バイポーラプレートの製造のための使用 - Google Patents
2つの金属材料間の溶接又は粉体の焼結にレーザーを用いる方法、pem燃料電池用バイポーラプレートの製造のための使用 Download PDFInfo
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- PFNQVRZLDWYSCW-UHFFFAOYSA-N (fluoren-9-ylideneamino) n-naphthalen-1-ylcarbamate Chemical compound C12=CC=CC=C2C2=CC=CC=C2C1=NOC(=O)NC1=CC=CC2=CC=CC=C12 PFNQVRZLDWYSCW-UHFFFAOYSA-N 0.000 description 2
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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
- B23K26/20—Bonding
- B23K26/21—Bonding by welding
- B23K26/211—Bonding by welding with interposition of special material to facilitate connection of the parts
-
- 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
- B23K26/009—Working by laser beam, e.g. welding, cutting or boring using a non-absorbing, e.g. transparent, reflective or refractive, layer on the workpiece
-
- 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
- B23K26/12—Working by laser beam, e.g. welding, cutting or boring in a special atmosphere, e.g. in an enclosure
- B23K26/123—Working by laser beam, e.g. welding, cutting or boring in a special atmosphere, e.g. in an enclosure in an atmosphere of particular gases
-
- 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
- B23K26/20—Bonding
- B23K26/21—Bonding by welding
-
- 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
- B23K26/34—Laser welding for purposes other than joining
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
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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
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/02—Details
- H01M8/0202—Collectors; Separators, e.g. bipolar separators; Interconnectors
- H01M8/023—Porous and characterised by the material
- H01M8/0232—Metals or alloys
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/02—Details
- H01M8/0202—Collectors; Separators, e.g. bipolar separators; Interconnectors
- H01M8/023—Porous and characterised by the material
- H01M8/0241—Composites
- H01M8/0245—Composites in the form of layered or coated products
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/02—Details
- H01M8/0202—Collectors; Separators, e.g. bipolar separators; Interconnectors
- H01M8/0247—Collectors; Separators, e.g. bipolar separators; Interconnectors characterised by the form
- H01M8/0256—Vias, i.e. connectors passing through the separator material
-
- 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
- B23K2101/00—Articles made by soldering, welding or cutting
- B23K2101/18—Sheet panels
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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
- B23K2101/00—Articles made by soldering, welding or cutting
- B23K2101/34—Coated articles, e.g. plated or painted; Surface treated articles
- B23K2101/35—Surface treated articles
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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
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/10—Fuel cells with solid electrolytes
- H01M2008/1095—Fuel cells with polymeric electrolytes
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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
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/10—Fuel cells with solid electrolytes
- H01M8/1016—Fuel cells with solid electrolytes characterised by the electrolyte material
- H01M8/1018—Polymeric electrolyte materials
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- 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
- Y02E60/30—Hydrogen technology
- Y02E60/50—Fuel cells
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- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
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- Mechanical Engineering (AREA)
- Plasma & Fusion (AREA)
- Chemical & Material Sciences (AREA)
- Sustainable Energy (AREA)
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- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Manufacturing & Machinery (AREA)
- Composite Materials (AREA)
- Fuel Cell (AREA)
- Laser Beam Processing (AREA)
- Powder Metallurgy (AREA)
Abstract
Description
H2→2H++2e−
O2+4H++4e−→2H2O
・収集した電流の輸送及び異なる基本ユニット間の電気的接続;
・ガス(H2、O2又は空気)の分配、及びその内部に設けられたチャネル及び/又はオリフィスを介しての、カソードで生成した水の除去;
・アノードとカソードの間の不透性分離;
・冷却液を流すことによるセルの温度調節;
・様々なユニットセルのアノードで生成した電子の収集;
・MEAの耐久性を確保するための機械的支持。
a.レーザービームの1以上の発振波長において透明な中実プレートを、溶接されるべき金属材料間の1以上の接触ゾーン又は1種以上の粉体の1以上の焼結ゾーンとレーザーとの間に配置する工程、
b.上記透明なプレートを通して、レーザービームを発振して、該1以上の接触ゾーンにおける該材料の溶接又は該1以上の焼結ゾーンにおける1種以上の粉体の焼結を行う工程
を含む方法に関する。
・溶接されるべき各接触ゾーンにレーザービームを通すための複数の開口を作るための不透明圧力プレートの複雑な機械加工が不要になること;
・金属−金属接触を促進するのに最適な状態の応力が、溶接されるべきゾーンの近傍で、局所的に得られること;
・溶接経路又は幾何形状による制約を受けることなく、透明プレートを様々な幾何形状のプレート/シートに対して所望通り使用できること。
Claims (10)
- 2つの金属材料(2,3)を溶接する又は1種以上の粉体(P)を焼結するための方法であって、以下の工程:
a.レーザービーム(F)の1以上の発振波長において透明な中実プレート(10)を、溶接されるべき金属材料間の1以上の接触ゾーン(4)又は1種以上の粉体の1以上の焼結ゾーンとレーザー(L)との間に配置する工程、
b.上記透明なプレートを通して、レーザービームを発振して、該1以上の接触ゾーンにおける該材料の溶接又は該1以上の焼結ゾーンにおける該1種以上の粉体の焼結を行う工程
を含む方法。 - 工程bの前に、該1以上の接触ゾーン又は該1以上の焼結ゾーンを不活性化する工程a1をさらに含んでおり、不活性化が中性ガス、好ましくはアルゴン及び/又は窒素によって実施される、請求項1に記載の方法。
- 工程bが、上記透明なプレートに対して実質的に垂直なレーザービームによって実施される、請求項1に記載の方法。
- 工程bが、溶接されるべき該1以上の接触ゾーン又は該1以上の焼結ゾーンに対して実質的に垂直なレーザービームによって実施される、請求項1に記載の方法。
- 使用される透明なプレートに用いられる材料が、以下の材料:ガラス、ポリマー、吸収を制限するために任意的にドープされていてもよい(イッテルビウムドープ酸化スカンジウム)、透明セラミックから選択される、請求項1に記載の方法。
- 工程bの前、及び該当する場合には工程a1の前に、2枚の金属プレートに対して、溶接されるべき該1以上の接触ゾーンにおいてそれらが当接するように圧力を加える工程a2をさらに含む、請求項1に記載の方法。
- 工程cの圧力の印加が、溶接されるべき2枚の金属プレートの一方と直接接触している透明なプレートによって行われる、請求項6に記載の方法。
- 金属プレート間の接触ゾーンによって画定されるチャネル内を不活性化ガスが循環する、請求項6に記載の方法。
- 請求項6に記載の方法を、燃料電池向け、特にプロトン交換膜燃料電池向けのバイポーラプレートの製造に、使用する方法。
- 請求項1に記載の方法を、プレート上での焼結コーティングの製造に使用する方法。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1760478 | 2017-11-08 | ||
FR1760478A FR3073324B1 (fr) | 2017-11-08 | 2017-11-08 | Procede utilisant un laser pour le soudage entre deux materiaux metalliques ou pour le frittage de poudre(s), application a la realisation de plaques bipolaires pour piles pemfc |
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JP2019115928A true JP2019115928A (ja) | 2019-07-18 |
JP6851356B2 JP6851356B2 (ja) | 2021-03-31 |
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US (1) | US11648625B2 (ja) |
EP (1) | EP3482866B1 (ja) |
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FR (1) | FR3073324B1 (ja) |
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US12036626B2 (en) * | 2021-09-03 | 2024-07-16 | Neuralink Corp. | Glass welding through non-flat surface |
CN114178694A (zh) * | 2022-01-11 | 2022-03-15 | 深圳市联赢激光股份有限公司 | 氢燃料电池集流板制备方法、集流板、制备设备及存储介质 |
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US20190134744A1 (en) | 2019-05-09 |
FR3073324A1 (fr) | 2019-05-10 |
JP6851356B2 (ja) | 2021-03-31 |
EP3482866B1 (fr) | 2022-11-23 |
EP3482866A1 (fr) | 2019-05-15 |
US11648625B2 (en) | 2023-05-16 |
FR3073324B1 (fr) | 2019-10-25 |
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