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        <identifier>oai:kindai.repo.nii.ac.jp:02000331</identifier>
        <datestamp>2024-10-23T00:48:27Z</datestamp>
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          <dc:title xml:lang="ja">導電性金属酸化物担体を用いた低白金電極触媒の開発</dc:title>
          <dc:title xml:lang="en">Low Pt electrode catalysts with conductive metal oxide supports</dc:title>
          <jpcoar:creator>
            <jpcoar:nameIdentifier nameIdentifierScheme="e-Rad">40631974</jpcoar:nameIdentifier>
            <jpcoar:creatorName xml:lang="ja">朝倉, 博行</jpcoar:creatorName>
            <jpcoar:creatorName xml:lang="en">Asakura, Hiroyuki</jpcoar:creatorName>
            <jpcoar:affiliation>
              <jpcoar:nameIdentifier nameIdentifierScheme="kakenhi">34419</jpcoar:nameIdentifier>
              <jpcoar:affiliationName xml:lang="ja">近畿大学</jpcoar:affiliationName>
              <jpcoar:affiliationName xml:lang="en">Kindai University</jpcoar:affiliationName>
            </jpcoar:affiliation>
          </jpcoar:creator>
          <jpcoar:subject xml:lang="ja" subjectScheme="Other">固体高分子型燃料電池</jpcoar:subject>
          <jpcoar:subject xml:lang="ja" subjectScheme="Other">酸素還元反応</jpcoar:subject>
          <jpcoar:subject xml:lang="ja" subjectScheme="Other">金属窒化物</jpcoar:subject>
          <jpcoar:subject xml:lang="ja" subjectScheme="Other">金属酸化物</jpcoar:subject>
          <datacite:description xml:lang="ja" descriptionType="Abstract">固体高分子型燃料電池用 Pt 触媒における炭素担体の腐食などの問題を解決すべく，高活性かつ高耐久性の酸素還元反応電極反応用の担体開発に取り組んだ．酸化インジウムを担体とすることで従来の炭素担持触媒に比べて高い比表面積活性及び耐久性を見出した．更に In2O3 に異種元素ドープを行うことで導電性などの特性向上を試みたが，活性向上はわずかであった．そこで，酸化インジウムの窒化処理によって得られた窒化インジウムを担体とすること (Pt/InN) で，高い比表面積活性が得られることを見出すとともに，カーボンナノチューブを添加することで Pt/C を上回る質量活性を示すことを見出した．</datacite:description>
          <datacite:description xml:lang="en" descriptionType="Abstract">To solve the problem of corrosion of carbon supports in Pt catalysts for polymer electrolyte fuel cells (PEFC), we have developed highly active and durable supports for the oxygen reduction reaction electrode. Using indium oxide as a support, we found higher specific surface area activity and durability than those of conventional carbon-supported catalysts. Furthermore, we attempted to improve the electrical conductivity and other properties of In2O3 by doping it with different elements, but the improvement in activity was limited. We found that the use of indium nitride (Pt/InN), obtained by nitridation of indium oxide, as a support (Pt/InN) resulted in a high specific surface area activity, and that the addition of carbon nanotubes resulted in a mass activity that exceeded that of Pt/C.</datacite:description>
          <datacite:description xml:lang="ja" descriptionType="Other">研究分野：触媒化学</datacite:description>
          <dc:language>jpn</dc:language>
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          <jpcoar:identifier identifierType="URI">https://kindai.repo.nii.ac.jp/records/2000331</jpcoar:identifier>
          <jpcoar:fundingReference>
            <jpcoar:funderName xml:lang="ja">独立行政法人日本学術振興会</jpcoar:funderName>
            <jpcoar:funderName xml:lang="en">Japan Society for the Promotion of Science</jpcoar:funderName>
            <datacite:awardNumber awardURI="https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-20K15088/">20K15088</datacite:awardNumber>
            <jpcoar:awardTitle xml:lang="ja">導電性金属酸化物担体を用いた低白金電極触媒の開発</jpcoar:awardTitle>
            <jpcoar:awardTitle xml:lang="en">Low Pt electrode catalysts with conductive metal oxide supports</jpcoar:awardTitle>
          </jpcoar:fundingReference>
          <jpcoar:sourceTitle xml:lang="ja">科学研究費助成事業研究成果報告書 (2022)</jpcoar:sourceTitle>
          <jpcoar:numPages>6</jpcoar:numPages>
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