DE112004000141B4 - Verfahren zur Bestimmung einer Qualität eines Gasdiffusionsmediums - Google Patents

Verfahren zur Bestimmung einer Qualität eines Gasdiffusionsmediums Download PDF

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Publication number
DE112004000141B4
DE112004000141B4 DE112004000141.2T DE112004000141T DE112004000141B4 DE 112004000141 B4 DE112004000141 B4 DE 112004000141B4 DE 112004000141 T DE112004000141 T DE 112004000141T DE 112004000141 B4 DE112004000141 B4 DE 112004000141B4
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DE
Germany
Prior art keywords
contact angle
sample
liquid
diffusion
pores
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
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DE112004000141.2T
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German (de)
English (en)
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DE112004000141T5 (de
Inventor
Jörg Roth
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General Motors LLC
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General Motors LLC
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Application filed by General Motors LLC filed Critical General Motors LLC
Publication of DE112004000141T5 publication Critical patent/DE112004000141T5/de
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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N13/00—Investigating surface or boundary effects, e.g. wetting power; Investigating diffusion effects; Analysing materials by determining surface, boundary, or diffusion effects
    • G01N13/04—Investigating osmotic effects
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
    • G01N15/08—Investigating permeability, pore-volume, or surface area of porous materials
    • G01N15/088—Investigating volume, surface area, size or distribution of pores; Porosimetry
    • G01N15/0893—Investigating volume, surface area, size or distribution of pores; Porosimetry by measuring weight or volume of sorbed fluid, e.g. B.E.T. method

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  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Inert Electrodes (AREA)
  • Fuel Cell (AREA)
DE112004000141.2T 2003-01-15 2004-01-13 Verfahren zur Bestimmung einer Qualität eines Gasdiffusionsmediums Expired - Lifetime DE112004000141B4 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US10/342,976 2003-01-15
US10/342,976 US6928893B2 (en) 2003-01-15 2003-01-15 Method of making a gas diffusion media and quality controls for same
PCT/US2004/000794 WO2004066416A2 (en) 2003-01-15 2004-01-13 Method of making a gas diffusion media and quality controls for same

Publications (2)

Publication Number Publication Date
DE112004000141T5 DE112004000141T5 (de) 2006-04-27
DE112004000141B4 true DE112004000141B4 (de) 2019-03-28

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ID=32711846

Family Applications (1)

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DE112004000141.2T Expired - Lifetime DE112004000141B4 (de) 2003-01-15 2004-01-13 Verfahren zur Bestimmung einer Qualität eines Gasdiffusionsmediums

Country Status (5)

Country Link
US (2) US6928893B2 (enExample)
JP (1) JP4976693B2 (enExample)
CN (1) CN1784597B (enExample)
DE (1) DE112004000141B4 (enExample)
WO (1) WO2004066416A2 (enExample)

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Publication number Priority date Publication date Assignee Title
US7107864B2 (en) * 2003-01-15 2006-09-19 General Motors Corporation Quality control methods for gas diffusion media
US20060240312A1 (en) * 2005-04-25 2006-10-26 Tao Xie Diffusion media, fuel cells, and fuel cell powered systems
US20070059580A1 (en) * 2005-09-15 2007-03-15 Budinski Michael K Design strategies for corrosion mitigation
US7722979B2 (en) * 2005-10-14 2010-05-25 Gm Global Technology Operations, Inc. Fuel cells with hydrophobic diffusion medium
US20100028744A1 (en) * 2008-08-04 2010-02-04 Gm Global Technology Operations, Inc. Gas diffusion layer with lower gas diffusivity
US20100028750A1 (en) * 2008-08-04 2010-02-04 Gm Global Technology Operations, Inc. Gas diffusion layer with lower gas diffusivity
CA2842462C (en) 2011-07-20 2020-01-28 Brigham Young University Hydrogel materials incorporating eluting ceragenin compound
US9234843B2 (en) 2011-08-25 2016-01-12 Alliance For Sustainable Energy, Llc On-line, continuous monitoring in solar cell and fuel cell manufacturing using spectral reflectance imaging
BR112015023747B1 (pt) 2013-03-15 2023-04-18 Brigham Young University Uso de um composto antimicrobiano catiônico esteroide (csa) para a preparação de uma composição para tratar, reduzir, ou prevenir inflamação aguda ou crônica e/ou dor aguda ou crônica associada com uma doença ou um sintoma de doença
US11524015B2 (en) 2013-03-15 2022-12-13 Brigham Young University Methods for treating inflammation, autoimmune disorders and pain
US11690855B2 (en) 2013-10-17 2023-07-04 Brigham Young University Methods for treating lung infections and inflammation
US20150203527A1 (en) 2014-01-23 2015-07-23 Brigham Young University Cationic steroidal antimicrobials
US10370403B2 (en) 2015-04-22 2019-08-06 Brigham Young University Methods for the synthesis of ceragenins
US10226550B2 (en) 2016-03-11 2019-03-12 Brigham Young University Cationic steroidal antimicrobial compositions for the treatment of dermal tissue
US10480935B2 (en) 2016-12-02 2019-11-19 Alliance For Sustainable Energy, Llc Thickness mapping using multispectral imaging
US10959433B2 (en) 2017-03-21 2021-03-30 Brigham Young University Use of cationic steroidal antimicrobials for sporicidal activity
US12186328B2 (en) 2019-05-23 2025-01-07 Brigham Young University Use of CSA compounds to stimulate stem cells and hair growth

Citations (5)

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DE4412405A1 (de) 1994-04-11 1995-10-12 Michael Dipl Ing Breitwieser Vorrichtung und Verfahren zur Messung von Kräften und Ermittlung von Stoffeigenschaften
EP0731520A1 (en) 1995-03-09 1996-09-11 Johnson Matthey Public Limited Company Materials for use in catalytic electrode manufacture
WO1997050143A1 (en) 1996-06-25 1997-12-31 The Dais Corporation Gas diffusion electrode
US5763113A (en) 1996-08-26 1998-06-09 General Motors Corporation PEM fuel cell monitoring system
DE10048182A1 (de) * 1999-10-25 2001-05-17 Gen Motors Corp Verbundananordnung zur Gasverteilung bei Brennstoffzellen

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US4676807A (en) * 1985-07-05 1987-06-30 Pall Corporation Process for removal of liquid aerosols from gaseous streams
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JPH05144444A (ja) * 1991-11-25 1993-06-11 Toshiba Corp 燃料電池およびそれに用いる電極の製造方法
JP3245929B2 (ja) * 1992-03-09 2002-01-15 株式会社日立製作所 燃料電池及びその応用装置
US5583285A (en) * 1994-11-29 1996-12-10 Lucent Technologies Inc. Method for detecting a coating material on a substrate
US6329094B1 (en) * 1997-05-14 2001-12-11 Sanyo Electric Co., Ltd. Polymer electrolyte fuel cell showing stable and outstanding electric-power generating characteristics
US5910378A (en) * 1997-10-10 1999-06-08 Minnesota Mining And Manufacturing Company Membrane electrode assemblies
US6103077A (en) * 1998-01-02 2000-08-15 De Nora S.P.A. Structures and methods of manufacture for gas diffusion electrodes and electrode components
US7098163B2 (en) * 1998-08-27 2006-08-29 Cabot Corporation Method of producing membrane electrode assemblies for use in proton exchange membrane and direct methanol fuel cells
US6150049A (en) * 1999-09-17 2000-11-21 Plug Power Inc. Fluid flow plate for distribution of hydration fluid in a fuel cell
JP4470271B2 (ja) * 2000-03-31 2010-06-02 株式会社エクォス・リサーチ 燃料電池および燃料電池装置
JP2002025578A (ja) * 2000-07-12 2002-01-25 Toyota Motor Corp 燃料電池用の電極・電解質膜接合体の製造方法およびそれに用いられる基材
JP2002313359A (ja) * 2001-04-17 2002-10-25 Mitsubishi Heavy Ind Ltd 固体高分子型燃料電池
US6821661B2 (en) * 2001-08-31 2004-11-23 Plug Power, Inc. Hydrophilic anode gas diffusion layer
US6684685B2 (en) * 2002-06-21 2004-02-03 Porous Materials, Inc. Liquid extrusion porosimeter and method
US7024921B2 (en) * 2002-11-06 2006-04-11 Sutton Stephen P Capillary devices for determination of surface characteristics and contact angles and methods for using same

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4412405A1 (de) 1994-04-11 1995-10-12 Michael Dipl Ing Breitwieser Vorrichtung und Verfahren zur Messung von Kräften und Ermittlung von Stoffeigenschaften
EP0731520A1 (en) 1995-03-09 1996-09-11 Johnson Matthey Public Limited Company Materials for use in catalytic electrode manufacture
WO1997050143A1 (en) 1996-06-25 1997-12-31 The Dais Corporation Gas diffusion electrode
US5763113A (en) 1996-08-26 1998-06-09 General Motors Corporation PEM fuel cell monitoring system
DE10048182A1 (de) * 1999-10-25 2001-05-17 Gen Motors Corp Verbundananordnung zur Gasverteilung bei Brennstoffzellen
US6350539B1 (en) 1999-10-25 2002-02-26 General Motors Corporation Composite gas distribution structure for fuel cell

Also Published As

Publication number Publication date
US20050199079A1 (en) 2005-09-15
US20040134292A1 (en) 2004-07-15
US7284411B2 (en) 2007-10-23
DE112004000141T5 (de) 2006-04-27
US6928893B2 (en) 2005-08-16
JP2006516353A (ja) 2006-06-29
WO2004066416A3 (en) 2005-12-15
CN1784597A (zh) 2006-06-07
CN1784597B (zh) 2010-12-01
WO2004066416A2 (en) 2004-08-05
JP4976693B2 (ja) 2012-07-18

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