期刊
APPLIED CATALYSIS B-ENVIRONMENTAL
卷 259, 期 -, 页码 -出版社
ELSEVIER
DOI: 10.1016/j.apcatb.2019.118095
关键词
Electrocatalyst; Methane oxidation; Quasi-solid solution; Acid; Ketone
资金
- NRF of Korea - Ministry of Science, ICT and Future Planning [2019R1A2C3010479, 2019M3E6A1064525, 2016M3D3A1A01913254]
- SLAT Innovation Program for Excellent Young Researchers [201807]
- National Research Foundation of Korea [2019M3E6A1064525] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
Efficient utilization of abundant methane (CH4) from natural gas remains a major catalysis challenge. One recommended strategy is to convert methane into liquid fuels, such as alcohols, ketones and acids, but most processes usually proceed through high-temperature routes. Here, we employ a ZrO2:NiCo2O4 quasi-solid solution catalyst as the electrochemical anode for partial methane oxidation. Without high temperature, noble metal catalysts and expensive oxidants, this quasi-solid solution anode produces propionic acid, acetic acid and acetone. After the analysis of the products, we demonstrate that the intermediate products from partial methane oxidation, 1-propanol, acetaldehyde and 2-propanol, are further oxidized into propionic acid, acetic acid and acetone, respectively. Long-term stable production via methane oxidation is a new strategy for the electrochemical conversion of organic chemicals.
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