오민준 양성은 2025-01-20T02:00:28Z 2025-01-20T02:00:28Z 2025-01-17 2024-12 1226-976X https://pubs.kist.re.kr/handle/201004/151603 Global warming has intensified in recent years, necessitating abrupt changes in the chemical industry to dramatically reduce CO2 emissions. Electrochemical CO2 conversion is one of the most promising carbon capture and utilization technologies. High-temperature co-electrolysis using solid oxide electrolysis cells (SOECs) efficiently produces syngas (H2 and CO), a key feedstock for synthesizing hydrocarbons. Here, we review the opportunities and challenges of co-electrolysis technology, focusing on its integration with downstream processes. We introduce the basic principles of co-electrolysis, discuss operating conditions affecting syngas composition and carbon deposition, and explore direct methane production under high pressure operation. Various downstream processes utilizing syngas from co-electrolysis are examined, including the Fischer-Tropsch process for e-fuel, e-CO, e-methanol, and e-methane. Then, we summarize the current development status of SOEC and co-electrolysis technology, highlighting industrial efforts for commercialization. Finally, we discuss future prospects, emphasizing the need to improve system durability, enhance economic viability through integration with renewable energy, and develop low-temperature SOECs. Korean The Korean Ceramic Society 후단 공정을 고려한 공전해의 (Co-Electrolysis) 가능성과 향후 과제 Opportunities and challenges in co-electrolysis with a focus on downstream processing Article 10.31613/ceramist.2024.00143 2 Ceramist, v.27, no.4, pp.415 - 432 Ceramist 27 4 415 432 N kci other ART003155020 Carbon capture and utilization Co-electrolysis CO2 electrolysis Electrochemical CO2 conversion Solid oxide electrolysis cell