Sökning: id:"swepub:oai:DiVA.org:kth-25239" >
Hydrogen oxidation ...
Hydrogen oxidation reaction on thin platinum electrodes in the polymer electrolyte fuel cell
-
- Wesselmark, Maria, 1977- (författare)
- KTH,Tillämpad elektrokemi,Kungliga Tekniska Högskolan (KTH),Royal Institute of Technology (KTH)
-
- Wickman, Björn, 1980 (författare)
- Chalmers University of Technology,Chalmers tekniska högskola
-
- Lagergren, Carina (författare)
- KTH,Tillämpad elektrokemi,Kungliga Tekniska Högskolan (KTH),Royal Institute of Technology (KTH)
-
visa fler...
-
- Lindbergh, Göran (författare)
- KTH,Tillämpad elektrokemi,Kungliga Tekniska Högskolan (KTH),Royal Institute of Technology (KTH)
-
visa färre...
-
(creator_code:org_t)
- Elsevier BV, 2010
- 2010
- Engelska.
-
Ingår i: Electrochemistry communications. - : Elsevier BV. - 1388-2481 .- 1873-1902. ; 12:11, s. 1585-1588
- Relaterad länk:
-
http://dx.doi.org/10...
-
visa fler...
-
https://urn.kb.se/re...
-
https://doi.org/10.1...
-
https://research.cha...
-
visa färre...
Abstract
Ämnesord
Stäng
- A method for measuring the kinetics of the hydrogen oxidation reaction (HOR) in a fuel cell under enhanced mass transport conditions is presented. The measured limiting current density was roughly 1600 mA cmPt− 2, corresponding to a rate constant of the forward reaction in the Tafel step of 0.14 mol m− 2 s− 1 at 80 °C and 90% RH. The exchange current density for the HOR was determined using the slope at low overvoltages and was found to be 770 mA cmPt− 2. The high values for the limiting and exchange current densities suggest that the Pt loading in the anode catalyst can be reduced further without imposing measurable voltage loss.
Ämnesord
- NATURVETENSKAP -- Kemi -- Oorganisk kemi (hsv//swe)
- NATURAL SCIENCES -- Chemical Sciences -- Inorganic Chemistry (hsv//eng)
- NATURVETENSKAP -- Fysik -- Atom- och molekylfysik och optik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Atom and Molecular Physics and Optics (hsv//eng)
Nyckelord
- Hydrogen oxidation reaction
- Limiting current density
- Exchange current density
- PEMFC
- Fuel cell
- Thermal evaporation
- Electrochemistry
- Elektrokemi
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
Hitta via bibliotek
Till lärosätets databas