DE102020107779A1 - Verfahren und Prüfanlage zum Prüfen einer Bipolarplatte einer Brennstoffzelle - Google Patents

Verfahren und Prüfanlage zum Prüfen einer Bipolarplatte einer Brennstoffzelle Download PDF

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Publication number
DE102020107779A1
DE102020107779A1 DE102020107779.3A DE102020107779A DE102020107779A1 DE 102020107779 A1 DE102020107779 A1 DE 102020107779A1 DE 102020107779 A DE102020107779 A DE 102020107779A DE 102020107779 A1 DE102020107779 A1 DE 102020107779A1
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Prior art keywords
test
plate
testing
evaluation system
bipolar plate
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Pending
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DE102020107779.3A
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German (de)
English (en)
Inventor
Jan Achtzehn
Chris Choutka
Christoph Hildebrandt
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Schaeffler Technologies AG and Co KG
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Schaeffler Technologies AG and Co KG
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Priority to DE102020107779.3A priority Critical patent/DE102020107779A1/de
Priority to PCT/DE2021/100195 priority patent/WO2021185404A1/de
Priority to EP21717314.5A priority patent/EP4122042A1/de
Priority to KR1020227028665A priority patent/KR20220130755A/ko
Priority to CN202180013804.3A priority patent/CN115088125A/zh
Priority to JP2022550973A priority patent/JP7438382B2/ja
Publication of DE102020107779A1 publication Critical patent/DE102020107779A1/de
Pending legal-status Critical Current

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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/84Systems specially adapted for particular applications
    • G01N21/88Investigating the presence of flaws or contamination
    • G01N21/8851Scan or image signal processing specially adapted therefor, e.g. for scan signal adjustment, for detecting different kinds of defects, for compensating for structures, markings, edges
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K31/00Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups
    • B23K31/12Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups relating to investigating the properties, e.g. the weldability, of materials
    • B23K31/125Weld quality monitoring
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    • G01N21/91Investigating the presence of flaws or contamination using penetration of dyes, e.g. fluorescent ink
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    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/84Systems specially adapted for particular applications
    • G01N21/88Investigating the presence of flaws or contamination
    • G01N21/95Investigating the presence of flaws or contamination characterised by the material or shape of the object to be examined
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N23/00Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00
    • G01N23/02Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material
    • G01N23/06Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material and measuring the absorption
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    • GPHYSICS
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    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
    • G01N27/72Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables
    • G01N27/82Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables for investigating the presence of flaws
    • G01N27/83Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables for investigating the presence of flaws by investigating stray magnetic fields
    • G01N27/84Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables for investigating the presence of flaws by investigating stray magnetic fields by applying magnetic powder or magnetic ink
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
    • G01N29/04Analysing solids
    • G01N29/043Analysing solids in the interior, e.g. by shear waves
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    • G01N29/44Processing the detected response signal, e.g. electronic circuits specially adapted therefor
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    • G06N3/04Architecture, e.g. interconnection topology
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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M8/00Fuel cells; Manufacture thereof
    • H01M8/02Details
    • H01M8/0202Collectors; Separators, e.g. bipolar separators; Interconnectors
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/84Systems specially adapted for particular applications
    • G01N21/88Investigating the presence of flaws or contamination
    • G01N21/8851Scan or image signal processing specially adapted therefor, e.g. for scan signal adjustment, for detecting different kinds of defects, for compensating for structures, markings, edges
    • G01N2021/8854Grading and classifying of flaws
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/84Systems specially adapted for particular applications
    • G01N21/88Investigating the presence of flaws or contamination
    • G01N21/8851Scan or image signal processing specially adapted therefor, e.g. for scan signal adjustment, for detecting different kinds of defects, for compensating for structures, markings, edges
    • G01N2021/8883Scan or image signal processing specially adapted therefor, e.g. for scan signal adjustment, for detecting different kinds of defects, for compensating for structures, markings, edges involving the calculation of gauges, generating models
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/84Systems specially adapted for particular applications
    • G01N21/88Investigating the presence of flaws or contamination
    • G01N21/8851Scan or image signal processing specially adapted therefor, e.g. for scan signal adjustment, for detecting different kinds of defects, for compensating for structures, markings, edges
    • G01N2021/8887Scan or image signal processing specially adapted therefor, e.g. for scan signal adjustment, for detecting different kinds of defects, for compensating for structures, markings, edges based on image processing techniques
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2223/00Investigating materials by wave or particle radiation
    • G01N2223/60Specific applications or type of materials
    • G01N2223/629Specific applications or type of materials welds, bonds, sealing compounds
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2223/00Investigating materials by wave or particle radiation
    • G01N2223/60Specific applications or type of materials
    • G01N2223/646Specific applications or type of materials flaws, defects
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2291/00Indexing codes associated with group G01N29/00
    • G01N2291/04Wave modes and trajectories
    • G01N2291/044Internal reflections (echoes), e.g. on walls or defects
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2291/00Indexing codes associated with group G01N29/00
    • G01N2291/26Scanned objects
    • G01N2291/267Welds
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2291/00Indexing codes associated with group G01N29/00
    • G01N2291/26Scanned objects
    • G01N2291/269Various geometry objects
    • G01N2291/2697Wafer or (micro)electronic parts
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06TIMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00Indexing scheme for image analysis or image enhancement
    • G06T2207/20Special algorithmic details
    • G06T2207/20081Training; Learning
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06TIMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00Indexing scheme for image analysis or image enhancement
    • G06T2207/20Special algorithmic details
    • G06T2207/20084Artificial neural networks [ANN]
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/30Hydrogen technology
    • Y02E60/50Fuel cells

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Theoretical Computer Science (AREA)
  • Evolutionary Computation (AREA)
  • Artificial Intelligence (AREA)
  • Signal Processing (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Quality & Reliability (AREA)
  • General Engineering & Computer Science (AREA)
  • Mathematical Physics (AREA)
  • Biomedical Technology (AREA)
  • Biophysics (AREA)
  • Computational Linguistics (AREA)
  • Data Mining & Analysis (AREA)
  • Molecular Biology (AREA)
  • Computing Systems (AREA)
  • Software Systems (AREA)
  • General Chemical & Material Sciences (AREA)
  • Sustainable Energy (AREA)
  • Manufacturing & Machinery (AREA)
  • Sustainable Development (AREA)
  • Acoustics & Sound (AREA)
  • Fuel Cell (AREA)
  • Mechanical Engineering (AREA)
  • Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
  • Battery Electrode And Active Subsutance (AREA)
  • Image Analysis (AREA)
  • Secondary Cells (AREA)
DE102020107779.3A 2020-03-20 2020-03-20 Verfahren und Prüfanlage zum Prüfen einer Bipolarplatte einer Brennstoffzelle Pending DE102020107779A1 (de)

Priority Applications (6)

Application Number Priority Date Filing Date Title
DE102020107779.3A DE102020107779A1 (de) 2020-03-20 2020-03-20 Verfahren und Prüfanlage zum Prüfen einer Bipolarplatte einer Brennstoffzelle
PCT/DE2021/100195 WO2021185404A1 (de) 2020-03-20 2021-02-26 Verfahren und prüfanlage zum prüfen einer bipolarplatte einer elektrochemischen zelle, insbesondere einer brennstoffzelle
EP21717314.5A EP4122042A1 (de) 2020-03-20 2021-02-26 Verfahren und prüfanlage zum prüfen einer bipolarplatte einer elektrochemischen zelle, insbesondere einer brennstoffzelle
KR1020227028665A KR20220130755A (ko) 2020-03-20 2021-02-26 전기화학 전지, 특히 연료 전지의 양극판을 검사하기 위한 방법 및 검사 설비
CN202180013804.3A CN115088125A (zh) 2020-03-20 2021-02-26 用于检查电化学电池、尤其燃料电池的双极板的方法和检查设施
JP2022550973A JP7438382B2 (ja) 2020-03-20 2021-02-26 電気化学電池、特に燃料電池のバイポーラプレートを検査するための方法および検査装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102020107779.3A DE102020107779A1 (de) 2020-03-20 2020-03-20 Verfahren und Prüfanlage zum Prüfen einer Bipolarplatte einer Brennstoffzelle

Publications (1)

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DE102020107779A1 true DE102020107779A1 (de) 2021-09-23

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DE102020107779.3A Pending DE102020107779A1 (de) 2020-03-20 2020-03-20 Verfahren und Prüfanlage zum Prüfen einer Bipolarplatte einer Brennstoffzelle

Country Status (6)

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EP (1) EP4122042A1 (ja)
JP (1) JP7438382B2 (ja)
KR (1) KR20220130755A (ja)
CN (1) CN115088125A (ja)
DE (1) DE102020107779A1 (ja)
WO (1) WO2021185404A1 (ja)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114267844A (zh) * 2021-11-09 2022-04-01 深圳市氢瑞燃料电池科技有限公司 一种燃料电池极板生产的系统与方法
DE102022109188B3 (de) 2022-04-14 2023-08-03 Schaeffler Technologies AG & Co. KG Brennstoffzellenstapel und Verfahren zur Montage eines Brennstoffzellenstapels

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023136584A1 (ko) * 2022-01-14 2023-07-20 주식회사 엘지에너지솔루션 모니터링 장치 및 그것의 동작 방법
CN114577816A (zh) * 2022-01-18 2022-06-03 广州超音速自动化科技股份有限公司 一种氢燃料双极板检测方法
WO2024049194A1 (ko) * 2022-08-31 2024-03-07 주식회사 엘지에너지솔루션 인공지능 모델 기반의 이상 진단 방법, 이를 이용한 이상 진단 장치 및 공장 모니터링 시스템

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3809221A1 (de) 1988-03-18 1989-09-28 Roth Electric Gmbh Verfahren zum detektieren von fehlstellen an pressteilen oder anderen werkstuecken und vorrichtung zur durchfuehrung des verfahrens
DE102009059765A1 (de) 2009-12-21 2011-06-22 Daimler AG, 70327 Verfahren zur Herstellung einer Bipolarplatte
DE10393237B4 (de) 2002-09-06 2013-06-06 General Motors Corp. (N.D.Ges.D. Staates Delaware) Verfahren zum Detektieren elektrischer Defekte in Membranelektrodenanordnungen
US20130230072A1 (en) 2010-11-30 2013-09-05 Bloom Energy Corporation Flaw Detection Method and Apparatus for Fuel Cell Components
DE102015221697B3 (de) 2015-11-05 2017-02-23 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Anordnung zur Bestimmung der Oberflächenbeschaffenheit von Bauteiloberflächen
DE102016211449A1 (de) 2016-06-27 2017-12-28 Bayerische Motoren Werke Aktiengesellschaft Prüfsystem und Verfahren zum Prüfen von Bauteilen
US20190296379A1 (en) 2018-03-23 2019-09-26 Honda Motor Co., Ltd. Method for inspecting current leak of fuel cell
US20190340747A1 (en) 2018-05-07 2019-11-07 General Electric Company Quality monitoring system and quality monitoring method for fuel cell manufacturing line and quality monitoring system for manufacturing line

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2968442B2 (ja) * 1994-09-26 1999-10-25 川崎重工業株式会社 溶接欠陥の評価システム
JP3936095B2 (ja) 1999-03-31 2007-06-27 株式会社東芝 燃料電池
JP2007018176A (ja) 2005-07-06 2007-01-25 Sharp Corp 学習装置、学習方法、学習プログラム、記録媒体、パターン認識装置およびパターン認識方法
JP5005218B2 (ja) 2005-12-28 2012-08-22 愛知機械工業株式会社 検査装置および検査方法
JP2013167596A (ja) * 2012-02-17 2013-08-29 Honda Motor Co Ltd 欠陥検査装置、欠陥検査方法及びプログラム
JP6237263B2 (ja) 2014-01-24 2017-11-29 日産自動車株式会社 燃料電池の製造方法
CN104833925A (zh) * 2015-05-07 2015-08-12 昆山弗尔赛能源有限公司 一种基于机器视觉的燃料电池双极板检测方法及系统
KR102557181B1 (ko) * 2017-01-10 2023-07-18 케이엘에이 코포레이션 광학 도구에 의해 캡처되는 결함 및 분류기를 위한 진단 방법
JP7021728B2 (ja) 2017-05-12 2022-02-17 株式会社神戸製鋼所 自動溶接システム、溶接制御方法、及び機械学習モデル
US10809635B2 (en) * 2017-11-20 2020-10-20 Taiwan Semiconductor Manufacturing Company, Ltd. Defect inspection method and defect inspection system
CN108320278A (zh) * 2018-01-09 2018-07-24 北京百度网讯科技有限公司 产品缺陷检测定位方法、装置、设备及计算机可读介质
US11069030B2 (en) * 2018-03-22 2021-07-20 Adobe, Inc. Aesthetics-guided image enhancement
CN108631727B (zh) * 2018-03-26 2019-08-09 河北工业大学 一种基于卷积神经网络的太阳能电池板缺陷识别方法
DE102018214307A1 (de) * 2018-08-23 2020-02-27 Friedrich-Alexander-Universität Erlangen-Nürnberg System und Verfahren zur Qualitätsprüfung bei der Herstellung von Einzelteilen
CN109598721B (zh) * 2018-12-10 2021-08-31 广州市易鸿智能装备有限公司 电池极片的缺陷检测方法、装置、检测设备和存储介质
CN110132237A (zh) * 2019-05-05 2019-08-16 四川省地质工程勘察院 一种城市地面变形灾害早期识别的方法
CN110473806A (zh) * 2019-07-13 2019-11-19 河北工业大学 光伏电池分拣的深度学习识别与控制方法及装置

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3809221A1 (de) 1988-03-18 1989-09-28 Roth Electric Gmbh Verfahren zum detektieren von fehlstellen an pressteilen oder anderen werkstuecken und vorrichtung zur durchfuehrung des verfahrens
DE10393237B4 (de) 2002-09-06 2013-06-06 General Motors Corp. (N.D.Ges.D. Staates Delaware) Verfahren zum Detektieren elektrischer Defekte in Membranelektrodenanordnungen
DE102009059765A1 (de) 2009-12-21 2011-06-22 Daimler AG, 70327 Verfahren zur Herstellung einer Bipolarplatte
US20130230072A1 (en) 2010-11-30 2013-09-05 Bloom Energy Corporation Flaw Detection Method and Apparatus for Fuel Cell Components
DE102015221697B3 (de) 2015-11-05 2017-02-23 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Anordnung zur Bestimmung der Oberflächenbeschaffenheit von Bauteiloberflächen
DE102016211449A1 (de) 2016-06-27 2017-12-28 Bayerische Motoren Werke Aktiengesellschaft Prüfsystem und Verfahren zum Prüfen von Bauteilen
US20190296379A1 (en) 2018-03-23 2019-09-26 Honda Motor Co., Ltd. Method for inspecting current leak of fuel cell
US20190340747A1 (en) 2018-05-07 2019-11-07 General Electric Company Quality monitoring system and quality monitoring method for fuel cell manufacturing line and quality monitoring system for manufacturing line

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114267844A (zh) * 2021-11-09 2022-04-01 深圳市氢瑞燃料电池科技有限公司 一种燃料电池极板生产的系统与方法
CN114267844B (zh) * 2021-11-09 2024-02-27 深圳市氢瑞燃料电池科技有限公司 一种燃料电池极板生产的系统与方法
DE102022109188B3 (de) 2022-04-14 2023-08-03 Schaeffler Technologies AG & Co. KG Brennstoffzellenstapel und Verfahren zur Montage eines Brennstoffzellenstapels

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WO2021185404A1 (de) 2021-09-23
KR20220130755A (ko) 2022-09-27

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