A novel carbon cycle process assisted by Ni/La2O3 catalyst for enhanced thermochemical CO2 splitting
文献类型：期刊论文
| 作者 | Kang, Yu; Han, Yujia; Wei, Cong; Liu, Kuo; Tian, Ming; Huang, Chuande; Wang, Chaojie; Lin, Jian; Hou, Baolin; Pan, Xiaoli |
| 刊名 | JOURNAL OF ENERGY CHEMISTRY
 |
| 出版日期 | 2021 |
| 卷号 | 61页码:297-303 |
| 关键词 | Thermochemical CO2 splitting Carbon deposition CH4 conversion H-2 generation Thermodynamic energy efficiency |
| ISSN号 | 2095-4956 |
| 英文摘要 | Thermochemical two-step CO2 splitting is a potential approach that fixes the sustainable resource into transportable liquid fuels. However, the harsh CO2 splitting conditions, the limited oxygen release kinetics and capacity of metal oxides block further promoted the CO yield and solar-to-fuel energy efficiency. Here, we propose a different carbon cycle assisted by Ni/La2O3 via coupling methane decomposition with thermochemical CO2 splitting, replacing conventional metal oxides cycle. Superior performance was demonstrated with methane conversion reached around 94% with almost pure H-2 generation. Encouragingly, CO2 conversion of 98% and CO yield of 6.9 mmol g(-1) derived from CO2 were achieved, with peak CO evolution rate (402 mL min(-1) g(-1)) of orders of magnitude higher than that in metal oxide process and outstanding thermodynamic solar-to-fuel energy efficiency (55.5% vs. 18.5%). This was relevant to the synergistic activation of La2O3 and Ni for CO2 in carbon cycle, thus improving CO2 splitting reaction with carbon species. (C) 2021 Science Press and Dalian Institute of Chemical Physics, Chinese Academy of Sciences. Published by ELSEVIER B.V. and Science Press. All rights reserved. |
| WOS研究方向 | Chemistry, Applied ; Chemistry, Physical ; Energy & Fuels ; Engineering, Chemical |
| 源URL | [http://ir.rcees.ac.cn/handle/311016/45613]  |
| 专题 | 生态环境研究中心_大气污染控制中心 |
| 作者单位 | 1.Chinese Acad Sci, Res Ctr Ecoenviron Sci, Beijing 100085, Peoples R China 2.Chinese Acad Sci, Dalian Inst Chem Phys, CAS Key Lab Sci & Technol Appl Catalysis, Dalian 116023, Liaoning, Peoples R China 3.Univ Chinese Acad Sci, Beijing 100049, Peoples R China 4.Taiyuan Univ Technol, Minist Educ & Shanxi Prov, Key Lab Coal Sci & Technol, Taiyuan 030024, Shanxi, Peoples R China 5.Chinese Acad Sci, Inst Engn Thermophys, Beijing 100190, Peoples R China |
| 推荐引用方式 GB/T 7714 | Kang, Yu,Han, Yujia,Wei, Cong,et al. A novel carbon cycle process assisted by Ni/La2O3 catalyst for enhanced thermochemical CO2 splitting[J]. JOURNAL OF ENERGY CHEMISTRY,2021,61:297-303. |
| APA | Kang, Yu.,Han, Yujia.,Wei, Cong.,Liu, Kuo.,Tian, Ming.,...&Wang, Xiaodong.(2021).A novel carbon cycle process assisted by Ni/La2O3 catalyst for enhanced thermochemical CO2 splitting.JOURNAL OF ENERGY CHEMISTRY,61,297-303. |
| MLA | Kang, Yu,et al."A novel carbon cycle process assisted by Ni/La2O3 catalyst for enhanced thermochemical CO2 splitting".JOURNAL OF ENERGY CHEMISTRY 61(2021):297-303. |
入库方式： OAI收割
来源：生态环境研究中心
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