王碧溪, 刘泽宇, 吴亚北, 杨言言, 杨颂, 王荀, 叶子, 董洪亮, 朱峰, 余焕焕, 吕英英, 余钟亮. 大豆生物质基多位点Co2P催化甲酸脱氢[J]. 燃料化学学报（中英文）, 2024, 52(6): 883-892. DOI: 10.1016/S1872-5813(23)60410-4
引用本文: 王碧溪, 刘泽宇, 吴亚北, 杨言言, 杨颂, 王荀, 叶子, 董洪亮, 朱峰, 余焕焕, 吕英英, 余钟亮. 大豆生物质基多位点Co2P催化甲酸脱氢[J]. 燃料化学学报（中英文）, 2024, 52(6): 883-892. DOI: 10.1016/S1872-5813(23)60410-4
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WANG Bixi, LIU Zeyu, WU Yabei, YANG Yanyan, YANG Song, WANG Xun, YE Zi, DONG Hongliang, ZHU Feng, YU Huanhuan, LÜ Yingying, YU Zhongliang. Multi-site Co2P catalyst derived from soybean biomass for dehydrogenation of formic acid[J]. Journal of Fuel Chemistry and Technology, 2024, 52(6): 883-892. DOI: 10.1016/S1872-5813(23)60410-4
Citation: WANG Bixi, LIU Zeyu, WU Yabei, YANG Yanyan, YANG Song, WANG Xun, YE Zi, DONG Hongliang, ZHU Feng, YU Huanhuan, LÜ Yingying, YU Zhongliang. Multi-site Co2P catalyst derived from soybean biomass for dehydrogenation of formic acid[J]. Journal of Fuel Chemistry and Technology, 2024, 52(6): 883-892. DOI: 10.1016/S1872-5813(23)60410-4
shu

大豆生物质基多位点Co2P催化甲酸脱氢

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

    摘要
  • 摘要: 本研究报道了一种通过大豆和钴盐热解制备的甲酸脱氢用Co2P催化剂，制备过程简单且环境友好。催化过程中，催化剂上的含K固体碱可作为路易斯酸性位点促进HCOO−中间体的吸附，而自掺杂的N可作为碱性位点促进H+的吸附。大豆生物质中的P可与钴盐结合并热解成Co2P，该位点可裂解HCOO−的H−C键。催化剂制备过程中当Co(NO3)2·6H2O/大豆的质量比为1∶15时，所得Co2P催化剂对甲酸脱氢反应的产气率可达237.47 mL/(g·h)，并展现出良好的稳定性。本研究结果可为甲酸选择性产氢用非贵金属非均相催化剂的开发提供一定的借鉴基础。

     

    Abstract: 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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