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Glycerol Electrooxi...
Glycerol Electrooxidation at Industrially Relevant Current Densities Using Electrodeposited PdNi/Nifoam Catalysts in Aerated Alkaline Media
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- White, Jai (författare)
- KTH,Tillämpad elektrokemi,KTH Royal Inst Technol, Dept Chem Engn, SE-10044 Stockholm, Sweden.
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- Peters, Laurent (författare)
- Institute of Chemical, Environmental and Bioscience Engineering, TUW Vienna University of Technology, 1060, Vienna, Austria,TUW Vienna Univ Technol, Inst Chem Environm & Biosci Engn, A-1060 Vienna, Austria.
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- Martín-Yerga, Daniel (författare)
- KTH,Tillämpad elektrokemi,KTH Royal Inst Technol, Dept Chem Engn, SE-10044 Stockholm, Sweden.;Univ Warwick, Dept Chem, Coventry CV4 7AL, England.
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- Terekhina, Irina (författare)
- Stockholms universitet,Institutionen för material- och miljökemi (MMK),Department of Materials and Environmental Chemistry, Stockholm University, SE-10691 Stockholm, Sweden,Stockholm Univ, Dept Mat & Environm Chem, SE-10691 Stockholm, Sweden.
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- Anil, Athira (författare)
- Uppsala universitet,Institutionen för materialvetenskap
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- Lundberg, Helena (författare)
- KTH,Organisk kemi,KTH Royal Inst Technol, Dept Chem, SE-10044 Stockholm, Sweden.
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- Johnsson, Mats (författare)
- Stockholms universitet,Institutionen för material- och miljökemi (MMK),Department of Materials and Environmental Chemistry, Stockholm University, SE-10691 Stockholm, Sweden,Stockholm Univ, Dept Mat & Environm Chem, SE-10691 Stockholm, Sweden.
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- Salazar-Alvarez, German (författare)
- Uppsala universitet,Fasta tillståndets fysik
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- Henriksson, Gunnar (författare)
- KTH,Träkemi och massateknologi,KTH Royal Inst Technol, Dept Fibre & Polymer Technol, SE-10044 Stockholm, Sweden.
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- Cornell, Ann, 1962- (författare)
- KTH,Tillämpad elektrokemi,KTH Royal Inst Technol, Dept Chem Engn, SE-10044 Stockholm, Sweden.
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(creator_code:org_t)
- The Electrochemical Society, 2023
- 2023
- Engelska.
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Ingår i: Journal of the Electrochemical Society. - : The Electrochemical Society. - 0013-4651 .- 1945-7111. ; 170:8
- Relaterad länk:
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https://doi.org/10.1...
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https://uu.diva-port... (primary) (Raw object)
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https://urn.kb.se/re...
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https://doi.org/10.1...
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https://urn.kb.se/re...
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https://urn.kb.se/re...
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Abstract
Ämnesord
Stäng
- Through glycerol electrooxidation, we demonstrate the viability of using a PdNi catalyst electrodeposited on Ni foam to facilitate industrially relevant rates of hydrogen generation while concurrently providing valuable organic chemicals as glycerol oxidation products. This electrocatalyst, in a solution of 2 M NaOH and 1 M glycerol at 80 °C, enabled current densities above 2000 mA cm−2 (in a voltammetric sweep) to be obtained in atmospheres of both air and N2. Repeated potential cycling under an aerated atmosphere to these exceptional current densities indicated a high stability of the catalyst. Through steady state polarisation curves, 1000 mA cm−2 was reached below an anodic potential of 0.8 V vs RHE. Chronoamperometry showed glycerate and lactate being the major oxidation products, with increased selectivity for lactate at the expense of glycerate in aerated systems. Aerated atmospheres were demonstrated to consistently increase the apparent Faradaic efficiency to >100%, as determined by the concentration of oxidation products in solution. The excellent performance of PdNi/Ni in aerated solutions suggests that O2 removal from the electrolyte is not needed for an industrial glycerol electrooxidation process, and that combining electrochemical and chemical glycerol oxidation, in the presence of dissolved O2, presents an important process advantage.
Ämnesord
- NATURVETENSKAP -- Kemi -- Fysikalisk kemi (hsv//swe)
- NATURAL SCIENCES -- Chemical Sciences -- Physical Chemistry (hsv//eng)
- NATURVETENSKAP -- Kemi -- Materialkemi (hsv//swe)
- NATURAL SCIENCES -- Chemical Sciences -- Materials Chemistry (hsv//eng)
- TEKNIK OCH TEKNOLOGIER -- Kemiteknik -- Annan kemiteknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Chemical Engineering -- Other Chemical Engineering (hsv//eng)
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Till lärosätets databas
- Av författaren/redakt...
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White, Jai
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Peters, Laurent
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Martín-Yerga, Da ...
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Terekhina, Irina
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Anil, Athira
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Lundberg, Helena
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Johnsson, Mats
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Salazar-Alvarez, ...
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Henriksson, Gunn ...
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Cornell, Ann, 19 ...
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- Om ämnet
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- NATURVETENSKAP
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NATURVETENSKAP
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och Kemi
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och Fysikalisk kemi
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- NATURVETENSKAP
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NATURVETENSKAP
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och Kemi
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och Materialkemi
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- TEKNIK OCH TEKNOLOGIER
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TEKNIK OCH TEKNO ...
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och Kemiteknik
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och Annan kemiteknik
- Artiklar i publikationen
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Journal of the E ...
- Av lärosätet
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Kungliga Tekniska Högskolan
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Stockholms universitet
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Uppsala universitet