Investigation of supported IrO2 as electrocatalyst for the oxygen evolution reaction in proton exchange membrane water electrolyser
Identifieur interne : 000083 ( Main/Repository ); précédent : 000082; suivant : 000084Investigation of supported IrO2 as electrocatalyst for the oxygen evolution reaction in proton exchange membrane water electrolyser
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Abstract
Indium tin oxide (ITO) was used as a support for IrO2 catalyst in the oxygen evolution reaction. IrO2 nanoparticles were deposited in various loading on commercially available ITO nanoparticle, 17-28 nm in size using the Adam's fusion method. The prepared catalysts were characterised using X-ray diffraction (XRD), scanning electron microscopy (SEM) and transmission electron microscopy (TEM). The BET surface area of the support (35 m2/g) was 3 times lower than the unsupported IrO2 (112.7 m2/g). The surface area and electronic conductivity of the catalysts were predominantly contributed by the IrO2. The supported catalysts were tested in a membrane electrode assembly (MEA) for electrolyser operation. The 90% IrO2-ITO gave similar performance (1.74 V@1 A/cm2) to that of the unsupported IrO2 (1.73 V@1 A/cm2) in the MEA polarisation test at 80 °C with Nafion 115 membrane which was attributed to a better dispersion of the active IrO2 on the electrochemically inactive ITO support, giving rise to smaller catalyst particle and thereby higher surface area. Large IrO2 particles on the support significantly reduced the electrode performance. A comparison of TiO2 and ITO as support material showed that, 60% IrO2 loading was able to cover the support surface and giving sufficient conductivity to the catalyst.
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<record><TEI><teiHeader><fileDesc><titleStmt><title xml:lang="en" level="a">Investigation of supported IrO<sub>2 </sub>as electrocatalyst for the oxygen evolution reaction in proton exchange membrane water electrolyser</title><author><name>VINOD KUMAR PUTHIYAPURA</name><affiliation wicri:level="1"><inist:fA14 i1="01"><s1>School of Chemical Engineering and Advanced Materials, Newcastle University</s1><s2>Newcastle upon Tyne NE1 7RU</s2><s3>GBR</s3><sZ>1 aut.</sZ><sZ>4 aut.</sZ><sZ>6 aut.</sZ></inist:fA14><country>Royaume-Uni</country><wicri:noRegion>Newcastle upon Tyne NE1 7RU</wicri:noRegion></affiliation></author><author><name sortKey="Pasupathi, Sivakumar" uniqKey="Pasupathi S">Sivakumar Pasupathi</name><affiliation wicri:level="1"><inist:fA14 i1="02"><s1>South African Institute for Advanced Materials Chemistry, Faculty of Science, University of the Western Cape, Private Bag X17</s1><s2>Bellville 7535</s2><s3>ZAF</s3><sZ>2 aut.</sZ><sZ>3 aut.</sZ><sZ>5 aut.</sZ></inist:fA14><country>Afrique du Sud</country><wicri:noRegion>Bellville 7535</wicri:noRegion></affiliation></author><author><name>HUANENG SU</name><affiliation wicri:level="1"><inist:fA14 i1="02"><s1>South African Institute for Advanced Materials Chemistry, Faculty of Science, University of the Western Cape, Private Bag X17</s1><s2>Bellville 7535</s2><s3>ZAF</s3><sZ>2 aut.</sZ><sZ>3 aut.</sZ><sZ>5 aut.</sZ></inist:fA14><country>Afrique du Sud</country><wicri:noRegion>Bellville 7535</wicri:noRegion></affiliation></author><author><name>XIAOTENG LIU</name><affiliation wicri:level="1"><inist:fA14 i1="01"><s1>School of Chemical Engineering and Advanced Materials, Newcastle University</s1><s2>Newcastle upon Tyne NE1 7RU</s2><s3>GBR</s3><sZ>1 aut.</sZ><sZ>4 aut.</sZ><sZ>6 aut.</sZ></inist:fA14><country>Royaume-Uni</country><wicri:noRegion>Newcastle upon Tyne NE1 7RU</wicri:noRegion></affiliation></author><author><name sortKey="Pollet, Bruno" uniqKey="Pollet B">Bruno Pollet</name><affiliation wicri:level="1"><inist:fA14 i1="02"><s1>South African Institute for Advanced Materials Chemistry, Faculty of Science, University of the Western Cape, Private Bag X17</s1><s2>Bellville 7535</s2><s3>ZAF</s3><sZ>2 aut.</sZ><sZ>3 aut.</sZ><sZ>5 aut.</sZ></inist:fA14><country>Afrique du Sud</country><wicri:noRegion>Bellville 7535</wicri:noRegion></affiliation></author><author><name sortKey="Scott, Keith" uniqKey="Scott K">Keith Scott</name><affiliation wicri:level="1"><inist:fA14 i1="01"><s1>School of Chemical Engineering and Advanced Materials, Newcastle University</s1><s2>Newcastle upon Tyne NE1 7RU</s2><s3>GBR</s3><sZ>1 aut.</sZ><sZ>4 aut.</sZ><sZ>6 aut.</sZ></inist:fA14><country>Royaume-Uni</country><wicri:noRegion>Newcastle upon Tyne NE1 7RU</wicri:noRegion></affiliation></author></titleStmt><publicationStmt><idno type="inist">14-0100621</idno><date when="2014">2014</date><idno type="stanalyst">PASCAL 14-0100621 INIST</idno><idno type="RBID">Pascal:14-0100621</idno><idno type="wicri:Area/Main/Corpus">000010</idno><idno type="wicri:Area/Main/Repository">000083</idno></publicationStmt><seriesStmt><idno type="ISSN">0360-3199</idno><title level="j" type="abbreviated">Int. j. hydrogen energy</title><title level="j" type="main">International journal of hydrogen energy</title></seriesStmt></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Electrocatalysis</term><term>Electrolysis</term><term>Hydrogen</term><term>Hydrogen production</term><term>Indium oxide</term><term>Iridium</term><term>Membrane</term><term>Proton exchange</term><term>Tin oxide</term></keywords><keywords scheme="Pascal" xml:lang="fr"><term>Electrocatalyse</term><term>Echange proton</term><term>Membrane</term><term>Electrolyse</term><term>Iridium</term><term>Oxyde d'indium</term><term>Oxyde d'étain</term><term>Production hydrogène</term><term>Hydrogène</term></keywords><keywords scheme="Wicri" type="concept" xml:lang="fr"><term>Hydrogène</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Indium tin oxide (ITO) was used as a support for IrO<sub>2</sub> catalyst in the oxygen evolution reaction. IrO<sub>2</sub> nanoparticles were deposited in various loading on commercially available ITO nanoparticle, 17-28 nm in size using the Adam's fusion method. The prepared catalysts were characterised using X-ray diffraction (XRD), scanning electron microscopy (SEM) and transmission electron microscopy (TEM). The BET surface area of the support (35 m<sup>2</sup>/g) was 3 times lower than the unsupported IrO<sub>2</sub> (112.7 m<sup>2</sup>/g). The surface area and electronic conductivity of the catalysts were predominantly contributed by the IrO<sub>2</sub>. The supported catalysts were tested in a membrane electrode assembly (MEA) for electrolyser operation. The 90% IrO<sub>2</sub>-ITO gave similar performance (1.74 V@1 A/cm<sup>2</sup>) to that of the unsupported IrO<sub>2</sub> (1.73 V@1 A/cm<sup>2</sup>) in the MEA polarisation test at 80 °C with Nafion 115 membrane which was attributed to a better dispersion of the active IrO<sub>2</sub> on the electrochemically inactive ITO support, giving rise to smaller catalyst particle and thereby higher surface area. Large IrO<sub>2</sub> particles on the support significantly reduced the electrode performance. A comparison of TiO<sub>2</sub> and ITO as support material showed that, 60% IrO<sub>2</sub> loading was able to cover the support surface and giving sufficient conductivity to the catalyst.</div></front></TEI><inist><standard h6="B"><pA><fA01 i1="01" i2="1"><s0>0360-3199</s0></fA01><fA02 i1="01"><s0>IJHEDX</s0></fA02><fA03 i2="1"><s0>Int. j. hydrogen energy</s0></fA03><fA05><s2>39</s2></fA05><fA06><s2>5</s2></fA06><fA08 i1="01" i2="1" l="ENG"><s1>Investigation of supported IrO<sub>2 </sub>as electrocatalyst for the oxygen evolution reaction in proton exchange membrane water electrolyser</s1></fA08><fA11 i1="01" i2="1"><s1>VINOD KUMAR PUTHIYAPURA</s1></fA11><fA11 i1="02" i2="1"><s1>PASUPATHI (Sivakumar)</s1></fA11><fA11 i1="03" i2="1"><s1>HUANENG SU</s1></fA11><fA11 i1="04" i2="1"><s1>XIAOTENG LIU</s1></fA11><fA11 i1="05" i2="1"><s1>POLLET (Bruno)</s1></fA11><fA11 i1="06" i2="1"><s1>SCOTT (Keith)</s1></fA11><fA14 i1="01"><s1>School of Chemical Engineering and Advanced Materials, Newcastle University</s1><s2>Newcastle upon Tyne NE1 7RU</s2><s3>GBR</s3><sZ>1 aut.</sZ><sZ>4 aut.</sZ><sZ>6 aut.</sZ></fA14><fA14 i1="02"><s1>South African Institute for Advanced Materials Chemistry, Faculty of Science, University of the Western Cape, Private Bag X17</s1><s2>Bellville 7535</s2><s3>ZAF</s3><sZ>2 aut.</sZ><sZ>3 aut.</sZ><sZ>5 aut.</sZ></fA14><fA20><s1>1905-1913</s1></fA20><fA21><s1>2014</s1></fA21><fA23 i1="01"><s0>ENG</s0></fA23><fA43 i1="01"><s1>INIST</s1><s2>17522</s2><s5>354000506184620010</s5></fA43><fA44><s0>0000</s0><s1>© 2014 INIST-CNRS. All rights reserved.</s1></fA44><fA45><s0>24 ref.</s0></fA45><fA47 i1="01" i2="1"><s0>14-0100621</s0></fA47><fA60><s1>P</s1></fA60><fA61><s0>A</s0></fA61><fA64 i1="01" i2="1"><s0>International journal of hydrogen energy</s0></fA64><fA66 i1="01"><s0>GBR</s0></fA66><fC01 i1="01" l="ENG"><s0>Indium tin oxide (ITO) was used as a support for IrO<sub>2</sub> catalyst in the oxygen evolution reaction. IrO<sub>2</sub> nanoparticles were deposited in various loading on commercially available ITO nanoparticle, 17-28 nm in size using the Adam's fusion method. The prepared catalysts were characterised using X-ray diffraction (XRD), scanning electron microscopy (SEM) and transmission electron microscopy (TEM). The BET surface area of the support (35 m<sup>2</sup>/g) was 3 times lower than the unsupported IrO<sub>2</sub> (112.7 m<sup>2</sup>/g). The surface area and electronic conductivity of the catalysts were predominantly contributed by the IrO<sub>2</sub>. The supported catalysts were tested in a membrane electrode assembly (MEA) for electrolyser operation. The 90% IrO<sub>2</sub>-ITO gave similar performance (1.74 V@1 A/cm<sup>2</sup>) to that of the unsupported IrO<sub>2</sub> (1.73 V@1 A/cm<sup>2</sup>) in the MEA polarisation test at 80 °C with Nafion 115 membrane which was attributed to a better dispersion of the active IrO<sub>2</sub> on the electrochemically inactive ITO support, giving rise to smaller catalyst particle and thereby higher surface area. Large IrO<sub>2</sub> particles on the support significantly reduced the electrode performance. A comparison of TiO<sub>2</sub> and ITO as support material showed that, 60% IrO<sub>2</sub> loading was able to cover the support surface and giving sufficient conductivity to the catalyst.</s0></fC01><fC02 i1="01" i2="X"><s0>001D06B06B</s0></fC02><fC02 i1="02" i2="X"><s0>230</s0></fC02><fC03 i1="01" i2="X" l="FRE"><s0>Electrocatalyse</s0><s5>01</s5></fC03><fC03 i1="01" i2="X" l="ENG"><s0>Electrocatalysis</s0><s5>01</s5></fC03><fC03 i1="01" i2="X" l="SPA"><s0>Electrocatálisis</s0><s5>01</s5></fC03><fC03 i1="02" i2="X" l="FRE"><s0>Echange proton</s0><s5>02</s5></fC03><fC03 i1="02" i2="X" l="ENG"><s0>Proton exchange</s0><s5>02</s5></fC03><fC03 i1="02" i2="X" l="SPA"><s0>Intercambio protón</s0><s5>02</s5></fC03><fC03 i1="03" i2="X" l="FRE"><s0>Membrane</s0><s5>03</s5></fC03><fC03 i1="03" i2="X" l="ENG"><s0>Membrane</s0><s5>03</s5></fC03><fC03 i1="03" i2="X" l="SPA"><s0>Membrana</s0><s5>03</s5></fC03><fC03 i1="04" i2="X" l="FRE"><s0>Electrolyse</s0><s5>04</s5></fC03><fC03 i1="04" i2="X" l="ENG"><s0>Electrolysis</s0><s5>04</s5></fC03><fC03 i1="04" i2="X" l="SPA"><s0>Electrólisis</s0><s5>04</s5></fC03><fC03 i1="05" i2="X" l="FRE"><s0>Iridium</s0><s2>NC</s2><s5>05</s5></fC03><fC03 i1="05" i2="X" l="ENG"><s0>Iridium</s0><s2>NC</s2><s5>05</s5></fC03><fC03 i1="05" i2="X" l="SPA"><s0>Iridio</s0><s2>NC</s2><s5>05</s5></fC03><fC03 i1="06" i2="X" l="FRE"><s0>Oxyde d'indium</s0><s5>06</s5></fC03><fC03 i1="06" i2="X" l="ENG"><s0>Indium oxide</s0><s5>06</s5></fC03><fC03 i1="06" i2="X" l="SPA"><s0>Indio óxido</s0><s5>06</s5></fC03><fC03 i1="07" i2="X" l="FRE"><s0>Oxyde d'étain</s0><s5>07</s5></fC03><fC03 i1="07" i2="X" l="ENG"><s0>Tin oxide</s0><s5>07</s5></fC03><fC03 i1="07" i2="X" l="SPA"><s0>Estaño óxido</s0><s5>07</s5></fC03><fC03 i1="08" i2="3" l="FRE"><s0>Production hydrogène</s0><s5>08</s5></fC03><fC03 i1="08" i2="3" l="ENG"><s0>Hydrogen production</s0><s5>08</s5></fC03><fC03 i1="09" i2="X" l="FRE"><s0>Hydrogène</s0><s2>NC</s2><s5>09</s5></fC03><fC03 i1="09" i2="X" l="ENG"><s0>Hydrogen</s0><s2>NC</s2><s5>09</s5></fC03><fC03 i1="09" i2="X" l="SPA"><s0>Hidrógeno</s0><s2>NC</s2><s5>09</s5></fC03><fN21><s1>139</s1></fN21><fN44 i1="01"><s1>OTO</s1></fN44><fN82><s1>OTO</s1></fN82></pA></standard></inist></record>Pour manipuler ce document sous Unix (Dilib)
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