{"created":"2024-12-02T05:00:54.089574+00:00","id":2001448,"links":{},"metadata":{"_buckets":{"deposit":"a5480a25-8b5b-4d56-b7da-4902572bddbe"},"_deposit":{"created_by":17,"id":"2001448","owners":[17],"pid":{"revision_id":0,"type":"depid","value":"2001448"},"status":"published"},"_oai":{"id":"oai:ynu.repo.nii.ac.jp:02001448","sets":["495:496"]},"author_link":[],"control_number":"2001448","item_1724376541206":{"attribute_name":"助成情報","attribute_value_mlt":[{"subitem_award_numbers":{"subitem_award_number":"JP21K18853","subitem_award_number_type":"JGN","subitem_award_uri":"https://kaken.nii.ac.jp/ja/grant/KAKENHI-PROJECT-21K18853/"},"subitem_award_titles":[{"subitem_award_title":"メカノキャタリシスによるリグノセルロースの低分子化・一括合成","subitem_award_title_language":"ja"}],"subitem_funder_identifiers":{"subitem_funder_identifier":"1025","subitem_funder_identifier_type":"e-Rad_funder","subitem_funder_identifier_type_uri":"https://www.e-rad.go.jp/datasets/files/haibunkikan.csv"},"subitem_funder_names":[{"subitem_funder_name":"独立行政法人日本学術振興会","subitem_funder_name_language":"ja"},{"subitem_funder_name":"Japan Society for the Promotion of Science","subitem_funder_name_language":"en"}],"subitem_funding_stream_identifiers":{"subitem_funding_stream_identifier_type":"JGN_fundingStream"},"subitem_funding_streams":[{"subitem_funding_stream":"科学研究費助成事業","subitem_funding_stream_language":"ja"}]}]},"item_2_biblio_info_8":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicIssueDates":{"bibliographicIssueDate":"2024-12-07","bibliographicIssueDateType":"Issued"},"bibliographicIssueNumber":"23","bibliographicNumberOfPages":"8","bibliographicPageEnd":"6789","bibliographicPageStart":"6782","bibliographicVolumeNumber":"14","bibliographic_titles":[{"bibliographic_title":"Catalysis Science & Technology","bibliographic_titleLang":"en"}]}]},"item_2_description_5":{"attribute_name":"抄録","attribute_value_mlt":[{"subitem_description":"Self-repairing catalysts are useful for achieving alkaline water electrolyzers with long lifetimes under intermittent operation. However, rational methodologies for designing self-repairing catalysts have not yet been established. Herein, hybrid cobalt hydroxide nanosheets (Co-ns), with a high deposition (repairing) rate, and β-FeOOH nanorods (Fe-nr), with high oxygen evolution reaction (OER) ability, are electrostatically self-assembled into composite catalysts. This strategy is developed to integrate multifunctionality in self-repairing catalysts. Positively charged Co-ns and negatively charged Fe-nr form uniform composites when dispersed in an electrolyte. These composites are electrochemically deposited on a nickel electrode by electrolysis at 800 mA cm−2. Co-ns form a conductive mesoporous assembly of CoOOH nanosheets as a support. Fe-nr are then distributed on the CoOOH nanosheets as active sites for the OER. Because of the high deposition rate of Co-ns, the amount of Fe-nr deposited increases 22 times compared to when Fe-nr is deposited alone, and the OER current density increases 14 times compared to that of Co-ns alone. The composite self-repair catalyst shows the highest activity and durability under an accelerated durability test (ADT), and its degradation rate decreases from 84 μV cycle−1 (Fe-nr only) to 60 μV cycle−1 (composite catalyst) under ADT conditions without repair.","subitem_description_language":"en","subitem_description_type":"Abstract"}]},"item_2_publisher_35":{"attribute_name":"出版者","attribute_value_mlt":[{"subitem_publisher":"Royal Society of Chemistry","subitem_publisher_language":"en"}]},"item_2_relation_13":{"attribute_name":"DOI","attribute_value_mlt":[{"subitem_relation_type":"isVersionOf","subitem_relation_type_id":{"subitem_relation_type_id_text":"https://doi.org/10.1039/D4CY01080A","subitem_relation_type_select":"DOI"}}]},"item_2_source_id_9":{"attribute_name":"ISSN","attribute_value_mlt":[{"subitem_source_identifier":"20444753","subitem_source_identifier_type":"PISSN"}]},"item_2_version_type_18":{"attribute_name":"著者版フラグ","attribute_value_mlt":[{"subitem_version_resource":"http://purl.org/coar/version/c_ab4af688f83e57aa","subitem_version_type":"AM"}]},"item_access_right":{"attribute_name":"アクセス権","attribute_value_mlt":[{"subitem_access_right":"embargoed access","subitem_access_right_uri":"http://purl.org/coar/access_right/c_f1cf"}]},"item_creator":{"attribute_name":"著者","attribute_type":"creator","attribute_value_mlt":[{"creatorAffiliations":[{"affiliationNames":[{"affiliationName":"Department of Applied Chemistry, Faculty of Engineering, Kyushu University","affiliationNameLang":"en"}]}],"creatorNames":[{"creatorName":"Miyamoto, Teppei","creatorNameLang":"en"}]},{"creatorAffiliations":[{"affiliationNames":[{"affiliationName":"Division of Materials Science and Chemical Engineering, Faculty of Engineering, Yokohama National University","affiliationNameLang":"en"}]}],"creatorNames":[{"creatorName":"Takagaki, Atsushi","creatorNameLang":"en"}],"nameIdentifiers":[{"nameIdentifier":"0000-0002-7829-3451","nameIdentifierScheme":"ORCID","nameIdentifierURI":"https://orcid.org/0000-0002-7829-3451"},{"nameIdentifier":"30456157","nameIdentifierScheme":"e-Rad_Researcher","nameIdentifierURI":"https://kaken.nii.ac.jp/ja/search/?qm=30456157"}]},{"creatorAffiliations":[{"affiliationNames":[{"affiliationName":"Department of Applied Chemistry, Faculty of Engineering, Kyushu University","affiliationNameLang":"en"}]},{"affiliationNames":[{"affiliationName":"International Institute for Carbon-Neutral Energy Research (WPI-I2CNER), Kyushu University","affiliationNameLang":"en"}]}],"creatorNames":[{"creatorName":"Song, Jun, Tae","creatorNameLang":"en"}],"nameIdentifiers":[{"nameIdentifier":"0000-0003-1047-6152","nameIdentifierScheme":"ORCID","nameIdentifierURI":"https://orcid.org/0000-0003-1047-6152"}]},{"creatorAffiliations":[{"affiliationNames":[{"affiliationName":"Department of Applied Chemistry, Faculty of Engineering, Kyushu University","affiliationNameLang":"en"}]},{"affiliationNames":[{"affiliationName":"International Institute for Carbon-Neutral Energy Research (WPI-I2CNER), Kyushu University","affiliationNameLang":"en"}]}],"creatorNames":[{"creatorName":"Watanabe, Motonori","creatorNameLang":"en"}],"nameIdentifiers":[{"nameIdentifier":"0000-0003-3621-4361","nameIdentifierScheme":"ORCID","nameIdentifierURI":"https://orcid.org/0000-0003-3621-4361"}]},{"creatorAffiliations":[{"affiliationNames":[{"affiliationName":"Department of Applied Chemistry, Faculty of Engineering, Kyushu University","affiliationNameLang":"en"}]},{"affiliationNames":[{"affiliationName":"International Institute for Carbon-Neutral Energy Research (WPI-I2CNER), Kyushu University","affiliationNameLang":"en"}]}],"creatorNames":[{"creatorName":"Ishihara, Tatsumi","creatorNameLang":"en"}],"nameIdentifiers":[{"nameIdentifier":"80184555","nameIdentifierScheme":"e-Rad_Researcher","nameIdentifierURI":"https://kaken.nii.ac.jp/ja/search/?qm=80184555"}]}]},"item_files":{"attribute_name":"ファイル情報","attribute_type":"file","attribute_value_mlt":[{"accessrole":"open_access","date":[{"dateType":"Available","dateValue":"2025-10-04"}],"displaytype":"detail","fileDate":[{"fileDateType":"Issued","fileDateValue":"2024-10-03"}],"filename":"revised_manuscript.pdf","filesize":[{"value":"731.0 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