High-purity carbon monoxide production via photothermal formic acid decomposition over fluorite ZrO2

IF 42.8 1区 化学 Q1 CHEMISTRY, PHYSICAL Nature Catalysis Pub Date : 2024-11-08 DOI:10.1038/s41929-024-01249-7
Yaguang Li, Bang Liu, Dachao Yuan, Haixiao Wang, Qixuan Wu, Yachuan Wang, Junwei Wang, Xingyuan San, Yanhong Luo, Jinhua Ye
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Abstract

High-purity carbon monoxide (CO), crucial for various high-tech industries, requires complex purification and further energy input. Here we show that pure fluorite ZrO2 can produce clean CO without purification by driving formic acid dehydration and completely shutting off the formic acid dehydrogenation pathway. An explosion method is developed for synthesizing pristine fluorite ZrO2 nanosheets that achieve a pure CO production rate of 55 mmol g−1 h−1 at 250 °C. Integrated with a homemade photothermal reactor, the fluorite ZrO2 nanosheets show a pure CO productivity of 83 mmol g−1 h−1 under 0.5 sun irradiation and a photochemical energy conversion efficiency of 12.3%. Moreover, this system generates over 1,538 l m−2 of pure CO per day under outdoor sunlight irradiation. This work charts a promising course for purification-free pure CO generation without secondary energy input.

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在萤石 ZrO2 上通过光热分解甲酸生产高纯度一氧化碳
高纯度一氧化碳(CO)对各种高科技产业至关重要,但需要复杂的提纯过程和进一步的能源投入。在这里,我们展示了纯净的萤石 ZrO2 可通过驱动甲酸脱水并完全关闭甲酸脱氢途径来生产清洁的一氧化碳,而无需提纯。我们开发了一种爆炸方法,用于合成纯净的萤石 ZrO2 纳米片,该纳米片在 250 °C 下的纯 CO 生成率达到 55 mmol g-1 h-1。与自制的光热反应器集成后,萤石 ZrO2 纳米片在 0.5 太阳光照射下的纯 CO 生产率为 83 mmol g-1 h-1,光化学能量转换效率为 12.3%。此外,在室外阳光照射下,该系统每天可产生超过 1,538 升 m-2 的纯 CO。这项工作为无需二次能源输入的无净化纯 CO 发电技术指明了一条前景广阔的道路。
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来源期刊
Nature Catalysis
Nature Catalysis Chemical Engineering-Bioengineering
CiteScore
52.10
自引率
1.10%
发文量
140
期刊介绍: Nature Catalysis serves as a platform for researchers across chemistry and related fields, focusing on homogeneous catalysis, heterogeneous catalysis, and biocatalysts, encompassing both fundamental and applied studies. With a particular emphasis on advancing sustainable industries and processes, the journal provides comprehensive coverage of catalysis research, appealing to scientists, engineers, and researchers in academia and industry. Maintaining the high standards of the Nature brand, Nature Catalysis boasts a dedicated team of professional editors, rigorous peer-review processes, and swift publication times, ensuring editorial independence and quality. The journal publishes work spanning heterogeneous catalysis, homogeneous catalysis, and biocatalysis, covering areas such as catalytic synthesis, mechanisms, characterization, computational studies, nanoparticle catalysis, electrocatalysis, photocatalysis, environmental catalysis, asymmetric catalysis, and various forms of organocatalysis.
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