{"created":"2023-07-25T10:25:14.870996+00:00","id":5475,"links":{},"metadata":{"_buckets":{"deposit":"112bda37-2649-4ae7-bf57-734f7cd2d29b"},"_deposit":{"created_by":15,"id":"5475","owners":[15],"pid":{"revision_id":0,"type":"depid","value":"5475"},"status":"published"},"_oai":{"id":"oai:air.repo.nii.ac.jp:00005475","sets":["590:629:630"]},"author_link":["15404","2967","15403"],"item_10001_biblio_info_7":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicIssueDates":{"bibliographicIssueDate":"2019","bibliographicIssueDateType":"Issued"},"bibliographicIssueNumber":"23","bibliographicPageStart":"4507","bibliographicVolumeNumber":"12","bibliographic_titles":[{"bibliographic_title":"Energies"}]}]},"item_10001_description_5":{"attribute_name":"内容記述（抄録）","attribute_value_mlt":[{"subitem_description":"Lithium-ion batteries (LIBs) using a LiFePO4 cathode and graphite anode were assembled in　coin cell form and subjected to 1000 charge-discharge cycles at 1, 2, and 5 C at 25  C. The performance　degradation of the LIB cells under di erent C-rates was analyzed by electrochemical impedance　spectroscopy (EIS) and scanning electron microscopy. The most severe degradation occurred at 2 C　while degradation was mitigated at the highest C-rate of 5 C. EIS data of the equivalent circuit model　provided information on the changes in the internal resistance. The charge-transfer resistance within　all the cells increased after the cycle test, with the cell cycled at 2 C presenting the greatest increment　in the charge-transfer resistance. Agglomerates were observed on the graphite anodes of the cells　cycled at 2 and 5 C; these were more abundantly produced in the former cell. The lower degradation　of the cell cycled at 5 C was attributed to the lowered capacity utilization of the anode. The larger cell　voltage drop caused by the increased C-rate reduced the electrode potential variation allocated to the　net electrochemical reactions, contributing to the charge-discharge specific capacity of the cells.","subitem_description_type":"Other"}]},"item_10001_publisher_8":{"attribute_name":"出版者","attribute_value_mlt":[{"subitem_publisher":"MDPI"}]},"item_10001_relation_14":{"attribute_name":"DOI","attribute_value_mlt":[{"subitem_relation_type":"isIdenticalTo","subitem_relation_type_id":{"subitem_relation_type_id_text":"10.3390/en12234507","subitem_relation_type_select":"DOI"}}]},"item_10001_relation_25":{"attribute_name":"関連リンク","attribute_value_mlt":[{"subitem_relation_type_id":{"subitem_relation_type_id_text":"https://doi.org/10.3390/en12234507","subitem_relation_type_select":"DOI"}}]},"item_10001_rights_15":{"attribute_name":"著作権等","attribute_value_mlt":[{"subitem_rights":"© 2019 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/)."}]},"item_10001_source_id_9":{"attribute_name":"ISSN","attribute_value_mlt":[{"subitem_source_identifier":"1996-1073","subitem_source_identifier_type":"ISSN"}]},"item_10001_version_type_20":{"attribute_name":"著者版フラグ","attribute_value_mlt":[{"subitem_version_resource":"http://purl.org/coar/version/c_970fb48d4fbd8a85","subitem_version_type":"VoR"}]},"item_creator":{"attribute_name":"著者","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"Abe, Yusuke"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"Hori, Natsuki"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"Kumagai, Seiji"}],"nameIdentifiers":[{}]}]},"item_files":{"attribute_name":"ファイル情報","attribute_type":"file","attribute_value_mlt":[{"accessrole":"open_date","date":[{"dateType":"Available","dateValue":"2021-11-12"}],"displaytype":"detail","filename":"riA_2021_3.pdf","filesize":[{"value":"6.1 MB"}],"format":"application/pdf","license_note":"CC BY 4.0","licensetype":"license_note","mimetype":"application/pdf","url":{"label":"riA_2021_3","url":"https://air.repo.nii.ac.jp/record/5475/files/riA_2021_3.pdf"},"version_id":"768274e3-b423-4d68-9285-601b7753733f"}]},"item_keyword":{"attribute_name":"キーワード","attribute_value_mlt":[{"subitem_subject":"lithium-ion battery","subitem_subject_scheme":"Other"},{"subitem_subject":"degradation","subitem_subject_scheme":"Other"},{"subitem_subject":"capacity fading","subitem_subject_scheme":"Other"},{"subitem_subject":"electrochemical impedance spectroscopy","subitem_subject_scheme":"Other"},{"subitem_subject":"LiFePO4","subitem_subject_scheme":"Other"},{"subitem_subject":"graphite","subitem_subject_scheme":"Other"}]},"item_language":{"attribute_name":"言語","attribute_value_mlt":[{"subitem_language":"eng"}]},"item_resource_type":{"attribute_name":"資源タイプ","attribute_value_mlt":[{"resourcetype":"journal article","resourceuri":"http://purl.org/coar/resource_type/c_6501"}]},"item_title":"Electrochemical Impedance Spectroscopy on the Performance Degradation of LiFePO4/Graphite Lithium-Ion Battery Due to Charge-Discharge Cycling under Different C-Rates","item_titles":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"Electrochemical Impedance Spectroscopy on the Performance Degradation of LiFePO4/Graphite Lithium-Ion Battery Due to Charge-Discharge Cycling under Different C-Rates"}]},"item_type_id":"10001","owner":"15","path":["630"],"pubdate":{"attribute_name":"公開日","attribute_value":"2021-11-12"},"publish_date":"2021-11-12","publish_status":"0","recid":"5475","relation_version_is_last":true,"title":["Electrochemical Impedance Spectroscopy on the Performance Degradation of LiFePO4/Graphite Lithium-Ion Battery Due to Charge-Discharge Cycling under Different C-Rates"],"weko_creator_id":"15","weko_shared_id":-1},"updated":"2023-07-25T10:49:11.398390+00:00"}