Choo, Aeri Cheong, Jaehwan Kim, Yongmin Jeong, Hyangsoo Kim, Joohoon 2025-04-09T07:00:24Z 2025-04-09T07:00:24Z 2025-04-09 2025-03 0363-907X https://pubs.kist.re.kr/handle/201004/152191 As a sustainable and effective strategy for hydrogen production, the electrochemical dehydrogenation of saturated organic heterocycles has recently gained significant attention in energy research. Here, we present an unusual perspective on the electrochemical dehydrogenation of 1,2,3,4-tetrahydroquinoline (THQ) and its derivatives, for example, 2-methyl-1,2,3,4-tetrahydroquinoline (M-THQ), in the presence of (2,2,6,6-tetramethylpiperidin-1-yl)oxyl (TEMPO) in acetonitrile. The electrochemical oxidation of THQs led to their dimerization, thereby restricting the efficient electrochemical dehydrogenation of THQs. Detailed electrochemical studies revealed the crucial role of TEMPO in suppressing the side reaction of dimerization, consequently enhancing the electrochemical dehydrogenation of THQs when TEMPO is employed. English John Wiley & Sons Inc. Improved Hydrogen Production Through Electrochemical Dehydrogenation of Tetrahydroquinolines Using TEMPO to Suppress Dimerization Article 10.1155/er/2454635 1 International Journal of Energy Research, v.2025, no.1 International Journal of Energy Research 2025 1 Y scie scopus 001454830200001 Energy & Fuels Nuclear Science & Technology Energy & Fuels Nuclear Science & Technology Article ANODIC-OXIDATION PATHWAYS REDOX CATALYSIS N,N-DIMETHYLANILINE