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Hydrogen Evolution ...
Hydrogen Evolution Linked to Selective Oxidation of Glycerol over CoMoO4—A Theoretically Predicted Catalyst
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- Yu, Xiaowen (author)
- Stockholms universitet,Institutionen för material- och miljökemi (MMK),State Key Laboratory of Crystal Materials Shandong University Jinan 250100 China;Department of Materials and Environmental Chemistry Arrhenius Laboratory Stockholm University Stockholm SE‐106 91 Sweden,Shandong Univ, State Key Lab Crystal Mat, Jinan 250100, Peoples R China.;Stockholm Univ, Arrhenius Lab, Dept Mat & Environm Chem, SE-10691 Stockholm, Sweden.
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- B. Araujo, Rafael (author)
- Stockholms universitet,Fysikum,Department of Physics Stockholm University Stockholm SE‐106 91 Sweden,Stockholm Univ, Dept Phys, SE-10691 Stockholm, Sweden.
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- Qiu, Zhen (author)
- KTH,Kemiteknik,KTH Royal Inst Technol, Dept Chem Engn, SE-10044 Stockholm, Sweden.
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- Campos dos Santos, Egon (author)
- Stockholms universitet,Fysikum,Department of Physics Stockholm University Stockholm SE‐106 91 Sweden,Stockholm Univ, Dept Phys, SE-10691 Stockholm, Sweden.
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- Anil, Athira (author)
- Uppsala universitet,Institutionen för materialvetenskap
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- Cornell, Ann M., 1962- (author)
- KTH,Tillämpad elektrokemi,Department of Chemical Engineering KTH Royal Institute of Technology Stockholm SE‐100 44 Sweden,KTH Royal Inst Technol, Dept Chem Engn, SE-10044 Stockholm, Sweden.
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- Pettersson, Lars G. M., 1951- (author)
- Stockholms universitet,Fysikum,Department of Physics Stockholm University Stockholm SE‐106 91 Sweden,Stockholm Univ, Dept Phys, SE-10691 Stockholm, Sweden.
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- Johnsson, Mats (author)
- Stockholms universitet,Institutionen för material- och miljökemi (MMK),Department of Materials and Environmental Chemistry Arrhenius Laboratory Stockholm University Stockholm SE‐106 91 Sweden,Stockholm Univ, Arrhenius Lab, Dept Mat & Environm Chem, SE-10691 Stockholm, Sweden.
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(creator_code:org_t)
- 2022-02-26
- 2022
- English.
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In: Advanced Energy Materials. - : Wiley. - 1614-6832 .- 1614-6840. ; 12:14
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Abstract
Subject headings
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- Electrochemical valorization of biomass waste (e.g., glycerol) for production of value-added products (such as formic acid) in parallel with hydrogen production holds great potential for developing renewable and clean energy sources. Here, a synergistic effort between theoretical calculations at the atomic level and experiments to predict and validate a promising oxide catalyst for the glycerol oxidation reaction (GOR) are reported, providing a good example of designing novel, cost-effective, and highly efficient electrocatalysts for producing value-added products at the anode and high-purity hydrogen at the cathode. The predicted CoMoO4 catalyst is experimentally validated as a suitable catalyst for GOR and found to perform best among the investigated metal (Mn, Co, Ni) molybdate counterparts. The potential required to reach 10 mA cm−2 is 1.105 V at 60 °C in an electrolyte of 1.0 ᴍ KOH with 0.1 ᴍ glycerol, which is 314 mV lower than for oxygen evolution. The GOR reaction pathway and mechanism based on this CoMoO4 catalyst are revealed by high-performance liquid chromatography and in situ Raman analysis. The coupled quantitative analysis indicates that the CoMoO4 catalyst is highly active toward C—C cleavage, thus presenting a high selectivity (92%) and Faradaic efficiency (90%) for formate production.
Subject headings
- NATURVETENSKAP -- Kemi (hsv//swe)
- NATURAL SCIENCES -- Chemical Sciences (hsv//eng)
- TEKNIK OCH TEKNOLOGIER -- Kemiteknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Chemical Engineering (hsv//eng)
- TEKNIK OCH TEKNOLOGIER -- Kemiteknik -- Kemiska processer (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Chemical Engineering -- Chemical Process Engineering (hsv//eng)
- TEKNIK OCH TEKNOLOGIER -- Kemiteknik -- Annan kemiteknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Chemical Engineering -- Other Chemical Engineering (hsv//eng)
Keyword
- cobalt molybdate
- formate
- glycerol oxidation
- hydrogen evolution
- in situ Raman
- Chemical Engineering
Publication and Content Type
- ref (subject category)
- art (subject category)
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