Dergi makalesi Açık Erişim
Eren, Enis Oguzhan; Ozkan, Necati; Devrim, Yilser
<?xml version='1.0' encoding='UTF-8'?> <record xmlns="http://www.loc.gov/MARC21/slim"> <leader>00000nam##2200000uu#4500</leader> <datafield tag="245" ind1=" " ind2=" "> <subfield code="a">Polybenzimidazole-modified carbon nanotubes as a support material for platinum-based high-temperature proton exchange membrane fuel cell electrocatalysts</subfield> </datafield> <datafield tag="909" ind1="C" ind2="4"> <subfield code="p">INTERNATIONAL JOURNAL OF HYDROGEN ENERGY</subfield> <subfield code="v">46</subfield> <subfield code="n">57</subfield> <subfield code="c">29556-29567</subfield> </datafield> <controlfield tag="001">239668</controlfield> <datafield tag="980" ind1=" " ind2=" "> <subfield code="a">user-tubitak-destekli-proje-yayinlari</subfield> </datafield> <datafield tag="520" ind1=" " ind2=" "> <subfield code="a">We fabricate polybenzimidazole (PBI) wrapped carbon nanotubes (MWCNTs) as support material for platinum-based fuel cell electrocatalyst. With the aid of microwave-assisted polyol reduction, we obtain very fine platinum (Pt) nanoparticles on PBI/MWCNT support while reducing the amount of Pt waste during synthesis. Cyclic voltammetry (CV) concludes that Pt-PBI/MWCNT has 43.0 m(2) g(-1) of electrochemically active surface area (ECSA) to catalyze hydrogen oxidation. Furthermore, after the 1000th cycle, Pt-PBI/MWCNT preserves almost 80% of its maximum ECSA, meaning that Pt-PBI/MWCNT is much more durable than the Pt/MWCNT and commercial Pt/C. High-temperature proton exchange membrane fuel cell (HT-PEMFC) performance tests are conducted under H-2/Air conditions at the temperatures ranging from 150 degrees C to 180 degrees C. Nevertheless, tests conclude that the maximum power density values of the Pt-PBI/MWCNT are found inferior to the Pt/C at all temperatures (e.g., 47 vs. 62 mW cm(-2) at 180 degrees C), suggesting that some balance between durability and performance has to be taken into consideration. (C) 2020 Hydrogen Energy Publications LLC. Published by Elsevier Ltd. All rights reserved.</subfield> </datafield> <datafield tag="650" ind1="1" ind2="7"> <subfield code="2">opendefinition.org</subfield> <subfield code="a">cc-by</subfield> </datafield> <datafield tag="700" ind1=" " ind2=" "> <subfield code="u">Middle East Tech Univ, Polymer Sci & Technol, TR-06800 Ankara, Turkey</subfield> <subfield code="a">Ozkan, Necati</subfield> </datafield> <datafield tag="700" ind1=" " ind2=" "> <subfield code="u">Atilim Univ, Energy Syst Engn, TR-06836 Ankara, Turkey</subfield> <subfield code="a">Devrim, Yilser</subfield> </datafield> <datafield tag="980" ind1=" " ind2=" "> <subfield code="b">article</subfield> <subfield code="a">publication</subfield> </datafield> <datafield tag="542" ind1=" " ind2=" "> <subfield code="l">open</subfield> </datafield> <datafield tag="100" ind1=" " ind2=" "> <subfield code="u">Middle East Tech Univ, Polymer Sci & Technol, TR-06800 Ankara, Turkey</subfield> <subfield code="a">Eren, Enis Oguzhan</subfield> </datafield> <datafield tag="260" ind1=" " ind2=" "> <subfield code="c">2021-01-01</subfield> </datafield> <controlfield tag="005">20221007103732.0</controlfield> <datafield tag="909" ind1="C" ind2="O"> <subfield code="o">oai:aperta.ulakbim.gov.tr:239668</subfield> <subfield code="p">user-tubitak-destekli-proje-yayinlari</subfield> </datafield> <datafield tag="856" ind1="4" ind2=" "> <subfield code="z">md5:adc7c37d7ecbb3c725e9a98eab828239</subfield> <subfield code="s">258</subfield> <subfield code="u">https://aperta.ulakbim.gov.trrecord/239668/files/bib-50f44e5b-5900-446a-91e6-d7c2be2f9cc6.txt</subfield> </datafield> <datafield tag="540" ind1=" " ind2=" "> <subfield code="u">http://www.opendefinition.org/licenses/cc-by</subfield> <subfield code="a">Creative Commons Attribution</subfield> </datafield> <datafield tag="024" ind1=" " ind2=" "> <subfield code="a">10.1016/j.ijhydene.2020.07.101</subfield> <subfield code="2">doi</subfield> </datafield> </record>
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