DataVXAdvanced MaterialsPaper
journal article·2023-01

How to Change the Reaction Chemistry on Nonprecious Metal Oxide Nanostructure Materials for Electrocatalytic Oxidation of Biomass‐Derived Glycerol to Renewable Chemicals

Lee Seul Oh, Minseon Park, Yoo Sei Park, Youngmin Kim, Wongeun Yoon, Jeemin Hwang, Eunho Lim, Jong Hyeok Park, Sung Mook Choi, Min Ho Seo, Won Bae Kim, Hyung Ju Kim

Advanced Materials· Volume 35· Issue 4
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Source abstract

Abstract

Abstract Au and Pt are well‐known catalysts for electrocatalytic oxidation of biomass‐derived glycerol. Although some nonprecious‐metal‐based materials to replace the costly Au and Pt are used for this reaction, the fundamental question of how the nonprecious catalysts affect the reaction chemistry and mechanism compared to Au and Pt catalysts is still unanswered. In this work, both experimental and computational methods are used to understand how and why the reaction performance and chemistry for the electrocatalytic glycerol oxidation reaction (EGOR) change with electrochemically‐synthesized CuCo‐oxide, Cu‐oxide, and Co‐oxide catalysts compared to conventional Au and Pt catalysts. The Au and Pt catalysts generate major glyceric acid and glycolic acid products from the EGOR. Interestingly, the prepared Cu‐based oxides produce glycolic acid and formic acid with high selectivity of about 90.0%. This different reaction chemistry is related to the enhanced ability of CC bond cleavage on the Cu‐based oxide materials. The density functional theory calculations demonstrate that the formic acids are mainly formed on the Cu‐based oxide surfaces rather than in the process of glycolic acid formation in the free energy diagram. This study provides critical scientific insights into developing future nonprecious‐based materials for electrochemical biomass conversions.
Source: crossref · Quality: baseline

Research context

NanomaterialsCatalysis & surfaces

OpenAlex topics: Electrocatalysts for Energy Conversion · Catalysis and Hydrodesulfurization Studies · Catalysis for Biomass Conversion

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

Chemical and Process Technology Division Korea Research Institute of Chemical Technology (KRICT) 141 Gajeong‐ro, Yuseong‐gu Daejeon 34114 Republic of Korea

Department of Chemical and Biomolecular Engineering Yonsei University 50 Yonsei‐ro, Seodaemun‐gu Seoul 03722 Republic of Korea

Department of Chemical Engineering Pohang University of Science and Technology (POSTECH) 77 Cheongam‐Ro, Nam‐gu Pohang‐si Gyeongsangbuk‐do 37673 Republic of Korea

Department of Energy and Electronic Materials Surface Materials Division Korea Institute of Materials Science (KIMS) Changwon 51508 Republic of Korea

Fuel Cell Research and Demonstration Center Future Energy Research Division Korea Institute of Energy Research (KIER) 20‐41 Sinjaesaengeneogi‐ro, Haseo‐myeon Buan‐gun Jeollabuk‐do 56332 Republic of Korea

Advanced Materials Engineering University of Science and Technology (UST) 113 Gwahangno, Yuseong‐gu Daejeon 34113 Republic of Korea

Department of Nanotechnology Engineering Pukyong National University 45 Yongso‐ro, Nam‐gu Busan 48547 Republic of Korea

Advanced Materials and Chemical Engineering University of Science and Technology (UST) 113 Gwahangno, Yuseong‐gu Daejeon 34113 Republic of Korea

Funding

National Research Foundation of Korea · Neurosciences Research Foundation

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