{"title":"光催化水分解和二氧化碳甲烷化在人工光合作用中的应用","authors":"Taro Yamada, Hiroshi Nishiyama, Hiroki Akatsuka, Shinji Nishimae, Yoshiro Ishii, Takashi Hisatomi and Kazunari Domen*, ","doi":"10.1021/acsengineeringau.3c00034","DOIUrl":null,"url":null,"abstract":"<p >This article describes an experimental apparatus of artificial photosynthesis, which generates methane gas from water and carbon dioxide with the aid of sunlight energy. This apparatus was designed on the basis of our previous 100 m<sup>2</sup>-scale photocatalytic solar hydrogen production mini-plant, which continuously produced filtered hydrogen gas for more than several months. A catalytic CO<sub>2</sub> methanator was attached, converting photogenerated H<sub>2</sub> into CH<sub>4</sub>. The overall setup was successfully operated, and photosynthetic CH<sub>4</sub> was accumulated. Several versions were examined by changing the sizes of the composing assemblies and choosing specific purposes for experiments. The performances of the water-splitting photocatalytic panels, the hydrogen filtration subsystem, and the methanator are illustrated. One of the versions was implemented in the competition of the European Innovation Council (EIC) Horizon Prize on Artificial Photosynthesis “Fuel from the Sun” in 2022. For future expansion as artificial photosynthetic plants, the technical issues related to scaling up the plant size are extracted and discussed from these results.</p>","PeriodicalId":29804,"journal":{"name":"ACS Engineering Au","volume":null,"pages":null},"PeriodicalIF":4.3000,"publicationDate":"2023-09-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://pubs.acs.org/doi/epdf/10.1021/acsengineeringau.3c00034","citationCount":"0","resultStr":"{\"title\":\"Production of Methane by Sunlight-Driven Photocatalytic Water Splitting and Carbon Dioxide Methanation as a Means of Artificial Photosynthesis\",\"authors\":\"Taro Yamada, Hiroshi Nishiyama, Hiroki Akatsuka, Shinji Nishimae, Yoshiro Ishii, Takashi Hisatomi and Kazunari Domen*, \",\"doi\":\"10.1021/acsengineeringau.3c00034\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<p >This article describes an experimental apparatus of artificial photosynthesis, which generates methane gas from water and carbon dioxide with the aid of sunlight energy. This apparatus was designed on the basis of our previous 100 m<sup>2</sup>-scale photocatalytic solar hydrogen production mini-plant, which continuously produced filtered hydrogen gas for more than several months. A catalytic CO<sub>2</sub> methanator was attached, converting photogenerated H<sub>2</sub> into CH<sub>4</sub>. The overall setup was successfully operated, and photosynthetic CH<sub>4</sub> was accumulated. Several versions were examined by changing the sizes of the composing assemblies and choosing specific purposes for experiments. The performances of the water-splitting photocatalytic panels, the hydrogen filtration subsystem, and the methanator are illustrated. One of the versions was implemented in the competition of the European Innovation Council (EIC) Horizon Prize on Artificial Photosynthesis “Fuel from the Sun” in 2022. For future expansion as artificial photosynthetic plants, the technical issues related to scaling up the plant size are extracted and discussed from these results.</p>\",\"PeriodicalId\":29804,\"journal\":{\"name\":\"ACS Engineering Au\",\"volume\":null,\"pages\":null},\"PeriodicalIF\":4.3000,\"publicationDate\":\"2023-09-25\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"https://pubs.acs.org/doi/epdf/10.1021/acsengineeringau.3c00034\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"ACS Engineering Au\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://pubs.acs.org/doi/10.1021/acsengineeringau.3c00034\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"Q2\",\"JCRName\":\"ENGINEERING, CHEMICAL\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"ACS Engineering Au","FirstCategoryId":"1085","ListUrlMain":"https://pubs.acs.org/doi/10.1021/acsengineeringau.3c00034","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q2","JCRName":"ENGINEERING, CHEMICAL","Score":null,"Total":0}
Production of Methane by Sunlight-Driven Photocatalytic Water Splitting and Carbon Dioxide Methanation as a Means of Artificial Photosynthesis
This article describes an experimental apparatus of artificial photosynthesis, which generates methane gas from water and carbon dioxide with the aid of sunlight energy. This apparatus was designed on the basis of our previous 100 m2-scale photocatalytic solar hydrogen production mini-plant, which continuously produced filtered hydrogen gas for more than several months. A catalytic CO2 methanator was attached, converting photogenerated H2 into CH4. The overall setup was successfully operated, and photosynthetic CH4 was accumulated. Several versions were examined by changing the sizes of the composing assemblies and choosing specific purposes for experiments. The performances of the water-splitting photocatalytic panels, the hydrogen filtration subsystem, and the methanator are illustrated. One of the versions was implemented in the competition of the European Innovation Council (EIC) Horizon Prize on Artificial Photosynthesis “Fuel from the Sun” in 2022. For future expansion as artificial photosynthetic plants, the technical issues related to scaling up the plant size are extracted and discussed from these results.
期刊介绍：
）ACS Engineering Au is an open access journal that reports significant advances in chemical engineering applied chemistry and energy covering fundamentals processes and products. The journal's broad scope includes experimental theoretical mathematical computational chemical and physical research from academic and industrial settings. Short letters comprehensive articles reviews and perspectives are welcome on topics that include:Fundamental research in such areas as thermodynamics transport phenomena (flow mixing mass & heat transfer) chemical reaction kinetics and engineering catalysis separations interfacial phenomena and materialsProcess design development and intensification (e.g. process technologies for chemicals and materials synthesis and design methods process intensification multiphase reactors scale-up systems analysis process control data correlation schemes modeling machine learning Artificial Intelligence)Product research and development involving chemical and engineering aspects (e.g. catalysts plastics elastomers fibers adhesives coatings paper membranes lubricants ceramics aerosols fluidic devices intensified process equipment)Energy and fuels (e.g. pre-treatment processing and utilization of renewable energy resources; processing and utilization of fuels; properties and structure or molecular composition of both raw fuels and refined products; fuel cells hydrogen batteries; photochemical fuel and energy production; decarbonization; electrification; microwave; cavitation)Measurement techniques computational models and data on thermo-physical thermodynamic and transport properties of materials and phase equilibrium behaviorNew methods models and tools (e.g. real-time data analytics multi-scale models physics informed machine learning models machine learning enhanced physics-based models soft sensors high-performance computing)
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