{"created":"2025-02-21T03:41:31.824960+00:00","id":2007107,"links":{},"metadata":{"_buckets":{"deposit":"6715b1f6-87b7-451c-9c76-f3d1b280e439"},"_deposit":{"created_by":41,"id":"2007107","owners":[41],"pid":{"revision_id":0,"type":"depid","value":"2007107"},"status":"published"},"_oai":{"id":"oai:hiroshima.repo.nii.ac.jp:02007107","sets":["1730444907710"]},"author_link":[],"item_1617186331708":{"attribute_name":"Title","attribute_value_mlt":[{"subitem_title":"MmNi5-based hydrogen storage alloy as an electrocatalyst","subitem_title_language":"en"}]},"item_1617186419668":{"attribute_name":"Creator","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"Kojima, Yoshitsugu","creatorNameLang":"en"}],"familyNames":[{"familyName":"Kojima","familyNameLang":"en"}],"givenNames":[{"givenName":"Yoshitsugu","givenNameLang":"en"}]},{"creatorNames":[{"creatorName":"Miyata, Yasushi","creatorNameLang":"en"}],"familyNames":[{"familyName":"Miyata","familyNameLang":"en"}],"givenNames":[{"givenName":"Yasushi","givenNameLang":"en"}]},{"creatorNames":[{"creatorName":"Nakanishi, Haruyuki","creatorNameLang":"en"}],"familyNames":[{"familyName":"Nakanishi","familyNameLang":"en"}],"givenNames":[{"givenName":"Haruyuki","givenNameLang":"en"}]}]},"item_1617186476635":{"attribute_name":"Access Rights","attribute_value_mlt":[{"subitem_access_right":"embargoed access","subitem_access_right_uri":"http://purl.org/coar/access_right/c_f1cf"}]},"item_1617186499011":{"attribute_name":"Rights","attribute_value_mlt":[{"subitem_rights":"© 2024. This manuscript version is made available under the CC-BY-NC-ND 4.0 license https://creativecommons.org/licenses/by-nc-nd/4.0/","subitem_rights_language":"en"},{"subitem_rights":"This is not the published version. Please cite only the published version.","subitem_rights_language":"en"},{"subitem_rights":"この論文は出版社版ではありません。引用の際には出版社版をご確認、ご利用ください。","subitem_rights_language":"ja"}]},"item_1617186609386":{"attribute_name":"Subject","attribute_value_mlt":[{"subitem_subject":"Hydrogen storage alloy","subitem_subject_language":"en","subitem_subject_scheme":"Other"},{"subitem_subject":"Electrocatalyst","subitem_subject_language":"en","subitem_subject_scheme":"Other"},{"subitem_subject":"MmNi5","subitem_subject_language":"en","subitem_subject_scheme":"Other"},{"subitem_subject":"Overpotential","subitem_subject_language":"en","subitem_subject_scheme":"Other"},{"subitem_subject":"Dissociation pressure","subitem_subject_language":"en","subitem_subject_scheme":"Other"},{"subitem_subject":"Thermoneutral voltage","subitem_subject_language":"en","subitem_subject_scheme":"Other"}]},"item_1617186626617":{"attribute_name":"Description","attribute_value_mlt":[{"subitem_description":"Alkaline water electrolysis was performed using Ni(OH)2/NiOOH as an anode and MmNi5-based hydrogen storage alloy as a cathode removed from NiMH batteries at 303 K and 10 mA/cm2 for 2 h. The water decomposition voltage changed from 1.36 V to 1.48 V (thermoneutral voltage: 1.48 V). The hydrogen evolution reaction (HER) overpotentials of the practically used MmNi5-based alloy with low H2 dissociation pressure 0.012 MPa were small (33–75 mV) at 10 mA/cm2. The HER overpotentials were similar to those of Pt-based electrocatalysts. The low dissociation pressure of the hydride was suggested to play a key role to decrease the HER overpotentials of the alloy. The alkaline water electrolysis voltage was 1.46–1.48V and stable at 50 mA/cm2 and 353K for 24h. Then, the MmNi5-based hydrogen storage alloy was found to be a new type of HER electrocatalyst for alkaline water electrolysis.","subitem_description_language":"en"}]},"item_1617186643794":{"attribute_name":"Publisher","attribute_value_mlt":[{"subitem_publisher":"Elsevier","subitem_publisher_language":"en"}]},"item_1617186702042":{"attribute_name":"Language","attribute_value_mlt":[{"subitem_language":"eng"}]},"item_1617187024783":{"attribute_name":"Page Start","attribute_value_mlt":[{"subitem_start_page":"450"}]},"item_1617187056579":{"attribute_name":"Bibliographic Information","attribute_value_mlt":[{"bibliographicIssueDates":{"bibliographicIssueDate":"2024-09-09","bibliographicIssueDateType":"Issued"},"bibliographicPageEnd":"456","bibliographicPageStart":"450","bibliographicVolumeNumber":"87","bibliographic_titles":[{"bibliographic_title":"International Journal of Hydrogen Energy","bibliographic_titleLang":"en"}]}]},"item_1617258105262":{"attribute_name":"Resource Type","attribute_value_mlt":[{"resourcetype":"journal article","resourceuri":"http://purl.org/coar/resource_type/c_6501"}]},"item_1617265215918":{"attribute_name":"Version Type","attribute_value_mlt":[{"subitem_version_resource":"http://purl.org/coar/version/c_ab4af688f83e57aa","subitem_version_type":"AM"}]},"item_1617353299429":{"attribute_name":"Relation","attribute_value_mlt":[{"subitem_relation_type":"isVersionOf","subitem_relation_type_id":{"subitem_relation_type_id_text":"https://doi.org/10.1016/j.ijhydene.2024.09.057","subitem_relation_type_select":"DOI"}}]},"item_1617605131499":{"attribute_name":"File","attribute_type":"file","attribute_value_mlt":[{"accessrole":"open_date","date":[{"dateType":"Available","dateValue":"2026-09-09"}],"displaytype":"simple","fileDate":[{"fileDateType":"Available","fileDateValue":"2026-09-09"}],"filename":"IJHE_87_450.pdf","filesize":[{"value":"489.2 KB"}],"mimetype":"application/pdf","url":{"objectType":"fulltext","url":"https://hiroshima.repo.nii.ac.jp/record/2007107/files/IJHE_87_450.pdf"},"version_id":"ecdbe58d-0f3c-4881-a9d9-ad35e2692021"}]},"item_1732771732025":{"attribute_name":"旧ID","attribute_value":"55896"},"item_1732772494514":{"attribute_name":"備考","attribute_value":"The full-text file will be made open to the public on 9 September 2026 in accordance with publisher's 'Terms and Conditions for Self-Archiving'"},"item_title":"MmNi5-based hydrogen storage alloy as an electrocatalyst","item_type_id":"40003","owner":"41","path":["1730444907710"],"pubdate":{"attribute_name":"PubDate","attribute_value":"2024-12-24"},"publish_date":"2024-12-24","publish_status":"0","recid":"2007107","relation_version_is_last":true,"title":["MmNi5-based hydrogen storage alloy as an electrocatalyst"],"weko_creator_id":"41","weko_shared_id":-1},"updated":"2025-02-21T09:08:02.116820+00:00"}