用于甲酸脱氢的大豆生物质多位 Co2P 催化剂

Q3 Energy 燃料化学学报 Pub Date : 2024-05-29 DOI:10.1016/S1872-5813(23)60410-4

Bixi WANG , Zeyu LIU , Yabei WU , Yanyan YANG , Song YANG , Xun WANG , Zi YE , Hongliang DONG , Feng ZHU , Huanhuan YU , Yingying LÜ , Zhongliang YU

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引用次数: 0

摘要

甲酸（FA）是一种可持续的液态有机氢载体，利用甲酸制氢的催化剂已受到广泛关注。然而，高效非贵金属催化剂的开发仍然面临挑战。在这项工作中，我们提供了一种技术上相当简单且环境友好的策略，即通过热解大豆粉和钴盐合成用于 FA 脱氢的 Co2P 催化剂。催化剂中含 K 的固态碱可作为路易斯酸位点吸附 HCOO- 中间体，而自掺杂的 N 可作为路易斯碱位点增强对 H+ 的吸附。大豆中含有的 P 可与 Co 结合形成 Co2P，用于 HCOO- 的 H-C 键裂解。在 Co（NO3）2-6H2O/大豆的质量比为 1:15 时，制备的 Co2P 催化剂的产气量为 237.47 mL/（g-h），且稳定性良好。这项研究为开发用于 FA 脱氢的非贵金属异相催化剂提供了一种新策略。

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Multi-site Co2P catalyst derived from soybean biomass for dehydrogenation of formic acid

Formic acid (FA) is a sustainable liquid organic hydrogen carrier and the catalyst for hydrogen production from FA has received significant attention. However, the development of efficient non-noble metal catalysts still remains challenges. In this work, we provide a technologically rather simple and environmental-friendly strategy to synthesize Co₂P catalyst for dehydrogenation of FA by pyrolyzing soybean powder and cobalt salt. The K-containing solid bases in catalyst could act as Lewis acid sites for the HCOO⁻ intermediate adsorption while the self-doped N could act as Lewis base sites to enhance the H⁺ adsorption. The P contained in soybean could combine with Co to form Co₂P for H−C bond cleavage of HCOO⁻. At a Co(NO₃)₂·6H₂O/soybean mass ratio of 1:15, the as prepared Co₂P catalyst demonstrated a gas production rate of 237.47 mL/(g·h) and a good stability. This study provides a novel strategy to develop non-noble metal heterogeneous catalysts for FA dehydrogenation.

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来源期刊

燃料化学学报 Chemical Engineering-Chemical Engineering (all)

CiteScore

2.80

自引率

0.00%

发文量

5825

期刊介绍： Journal of Fuel Chemistry and Technology (Ranliao Huaxue Xuebao) is a Chinese Academy of Sciences(CAS) journal started in 1956, sponsored by the Chinese Chemical Society and the Institute of Coal Chemistry, Chinese Academy of Sciences(CAS). The journal is published bimonthly by Science Press in China and widely distributed in about 20 countries. Journal of Fuel Chemistry and Technology publishes reports of both basic and applied research in the chemistry and chemical engineering of many energy sources, including that involved in the nature, processing and utilization of coal, petroleum, oil shale, natural gas, biomass and synfuels, as well as related subjects of increasing interest such as C1 chemistry, pollutions control and new catalytic materials. Types of publications include original research articles, short communications, research notes and reviews. Both domestic and international contributors are welcome. Manuscripts written in Chinese or English will be accepted. Additional English titles, abstracts and key words should be included in Chinese manuscripts. All manuscripts are subject to critical review by the editorial committee, which is composed of about 10 foreign and 50 Chinese experts in fuel science. Journal of Fuel Chemistry and Technology has been a source of primary research work in fuel chemistry as a Chinese core scientific periodical.