{"@context":{"@vocab":"https://cir.nii.ac.jp/schema/1.0/","rdfs":"http://www.w3.org/2000/01/rdf-schema#","dc":"http://purl.org/dc/elements/1.1/","dcterms":"http://purl.org/dc/terms/","foaf":"http://xmlns.com/foaf/0.1/","prism":"http://prismstandard.org/namespaces/basic/2.0/","cinii":"http://ci.nii.ac.jp/ns/1.0/","datacite":"https://schema.datacite.org/meta/kernel-4/","ndl":"http://ndl.go.jp/dcndl/terms/","jpcoar":"https://github.com/JPCOAR/schema/blob/master/2.0/"},"@id":"https://cir.nii.ac.jp/crid/1360021390767921152.json","@type":"Article","productIdentifier":[{"identifier":{"@type":"DOI","@value":"10.1149/1945-7111/acfa24"}},{"identifier":{"@type":"URI","@value":"https://iopscience.iop.org/article/10.1149/1945-7111/acfa24"}},{"identifier":{"@type":"URI","@value":"https://iopscience.iop.org/article/10.1149/1945-7111/acfa24/pdf"}}],"resourceType":"学術雑誌論文(journal article)","dc:title":[{"@value":"Electrodeposition of Carbon from CO<sub>2</sub> in Room-Temperature Ionic Liquid Triethylpentylphosphonium Bis(trifluoromethanesulfonyl)imide"}],"description":[{"type":"abstract","notation":[{"@value":"<jats:p>The conversion of CO<jats:sub>2</jats:sub> to solid carbon by the electrochemical method is an attractive process as a CO<jats:sub>2</jats:sub> recycling technology, but the electrolyte has been limited to high-temperature molten salts. In this study, the electrodeposition of solid carbon from CO<jats:sub>2</jats:sub> on an Ag substrate in triethylpentylphosphonium bis(trifluoromethanesulfonyl)imide at room temperature and 1 atm CO<jats:sub>2</jats:sub> atmosphere was investigated. Cyclic voltammetry with multiple cycles revealed that the three potential steps causing reduction, oxidation, and reduction current are important for the carbon electrodeposition from CO<jats:sub>2</jats:sub>. Based on the cyclic voltammogram, potentiostatic electrolysis was performed in the three potential steps. Consequently, the Ag substrate was covered with a black film because of the electrodeposited solid carbon. Raman spectroscopy, scanning electron microscopy, and transmission electron microscopy revealed that the deposits were composed of the electrodeposited solid carbon and nanometer-size silver particles coming from the Ag substrate. From the experimental results, we propose a model of the electrochemical formation mechanism of solid carbon from CO<jats:sub>2</jats:sub> on the Ag substrate. This study shows that the electrochemical method has the potential to convert CO<jats:sub>2</jats:sub> into valuable carbonaceous materials with optimized electrochemical parameters, even at room temperature, and that this technique will contribute to developing a carbon-circulation society.</jats:p>"}]}],"creator":[{"@id":"https://cir.nii.ac.jp/crid/1380021390767921157","@type":"Researcher","foaf:name":[{"@value":"Shoma Tchorap-Yamamoto"}]},{"@id":"https://cir.nii.ac.jp/crid/1420287674914096256","@type":"Researcher","personIdentifier":[{"@type":"KAKEN_RESEARCHERS","@value":"90906629"},{"@type":"NRID","@value":"1000090906629"},{"@type":"ORCID","@value":"0000-0002-0926-8105"},{"@type":"RESEARCHMAP","@value":"https://researchmap.jp/yutasuzuki"}],"foaf:name":[{"@value":"Yuta Suzuki"}]},{"@id":"https://cir.nii.ac.jp/crid/1380021390767921172","@type":"Researcher","foaf:name":[{"@value":"Seiya Tanaka"}]},{"@id":"https://cir.nii.ac.jp/crid/1380021390767921177","@type":"Researcher","foaf:name":[{"@value":"Hidekazu Kobatake"}]},{"@id":"https://cir.nii.ac.jp/crid/1380021390767921162","@type":"Researcher","foaf:name":[{"@value":"Takuya Goto"}]}],"publication":{"publicationIdentifier":[{"@type":"PISSN","@value":"00134651"},{"@type":"EISSN","@value":"19457111"}],"prism:publicationName":[{"@value":"Journal of The Electrochemical Society"}],"dc:publisher":[{"@value":"The Electrochemical Society"}],"prism:publicationDate":"2023-09-01","prism:volume":"170","prism:number":"9","prism:startingPage":"092509"},"reviewed":"false","dc:rights":["http://creativecommons.org/licenses/by/4.0/","https://iopscience.iop.org/info/page/text-and-data-mining"],"url":[{"@id":"https://iopscience.iop.org/article/10.1149/1945-7111/acfa24"},{"@id":"https://iopscience.iop.org/article/10.1149/1945-7111/acfa24/pdf"}],"createdAt":"2023-09-15","modifiedAt":"2023-09-27","project":[{"@id":"https://cir.nii.ac.jp/crid/1040291932588947328","@type":"Project","projectIdentifier":[{"@type":"KAKEN","@value":"22K14700"},{"@type":"JGN","@value":"JP22K14700"},{"@type":"URI","@value":"https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-22K14700/"}],"notation":[{"@language":"ja","@value":"電極近傍のその場分光計測に基づくCO2還元に適した溶融塩浴の設計"},{"@language":"en","@value":"Design of Molten Salt Composition Suitable for CO2 Reduction Based on in situ Spectroscopic Measurements"}]}],"relatedProduct":[{"@id":"https://cir.nii.ac.jp/crid/1360001114003513344","@type":"Article","relationType":["references"],"jpcoar:relatedTitle":[{"@value":"Photocatalytic CO2 reduction and kinetic study over In/TiO2 nanoparticles supported microchannel monolith photoreactor"}]},{"@id":"https://cir.nii.ac.jp/crid/1360001114156814720","@type":"Article","relationType":["references"],"jpcoar:relatedTitle":[{"@value":"Switching the Reaction Course of Electrochemical CO<sub>2</sub> Reduction with Ionic Liquids"}]},{"@id":"https://cir.nii.ac.jp/crid/1360021393301303040","@type":"Article","relationType":["references"],"jpcoar:relatedTitle":[{"@value":"Metal-based heterogeneous electrocatalysts for reduction of carbon dioxide and nitrogen: mechanisms, recent advances and perspective"}]},{"@id":"https://cir.nii.ac.jp/crid/1360298342496112384","@type":"Article","relationType":["references"],"jpcoar:relatedTitle":[{"@value":"Industrial carbon dioxide capture and utilization: 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