Nickel-carbonate nanowire array: An efficient and durable electrocatalyst for water oxidation under nearly neutral conditions
Abstract It is highly attractive but still remains a great challenge to develop an efficient electrocatalyst for oxygen evolution reaction under nearly neutral conditions. In this work, we report the transformation of $ Ni_{3} $$ S_{2} $ nanowire array on nickel foam into the amorphous nickel carbonate nanowire array on nickel foam ($ NiCO_{3} $/NF). The resulting $ NiCO_{3} $/NF shows high electrocatalytic activity towards water oxidation and affords current density of 50 mA∙$ cm^{‒2} $ at overpotential of 395 mV in 1.0 mol∙$ L^{‒1} $ $ KHCO_{3} $. Moreover, this $ NiCO_{3} $/NF is also durable with a long-term electrochemical durability of 60 h. This catalyst electrode achieves a high turnover frequency of 0.21 mol $ O_{2} $∙$ s^{‒1} $ at the overpotential of 500 mV..
Medienart: |
E-Artikel |
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Erscheinungsjahr: |
2018 |
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Erschienen: |
2018 |
Enthalten in: |
Zur Gesamtaufnahme - volume:12 |
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Enthalten in: |
Frontiers of chemical science and engineering - 12(2018), 3 vom: Sept., Seite 467-472 |
Sprache: |
Englisch |
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Beteiligte Personen: |
Ji, Yuyao [VerfasserIn] |
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Links: |
Volltext [lizenzpflichtig] |
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Themen: |
/NF |
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Anmerkungen: |
© Higher Education Press and Springer-Verlag GmbH Germany, part of Springer Nature 2018 |
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doi: |
10.1007/s11705-018-1717-8 |
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funding: |
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Förderinstitution / Projekttitel: |
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PPN (Katalog-ID): |
OLC2088813217 |
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520 | |a Abstract It is highly attractive but still remains a great challenge to develop an efficient electrocatalyst for oxygen evolution reaction under nearly neutral conditions. In this work, we report the transformation of $ Ni_{3} $$ S_{2} $ nanowire array on nickel foam into the amorphous nickel carbonate nanowire array on nickel foam ($ NiCO_{3} $/NF). The resulting $ NiCO_{3} $/NF shows high electrocatalytic activity towards water oxidation and affords current density of 50 mA∙$ cm^{‒2} $ at overpotential of 395 mV in 1.0 mol∙$ L^{‒1} $ $ KHCO_{3} $. Moreover, this $ NiCO_{3} $/NF is also durable with a long-term electrochemical durability of 60 h. This catalyst electrode achieves a high turnover frequency of 0.21 mol $ O_{2} $∙$ s^{‒1} $ at the overpotential of 500 mV. | ||
650 | 4 | |a water oxidation | |
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650 | 4 | |a nearly neutral conditions | |
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700 | 1 | |a Ma, Min |4 aut | |
700 | 1 | |a Ji, Xuqiang |4 aut | |
700 | 1 | |a Xiong, Xiaoli |4 aut | |
700 | 1 | |a Sun, Xuping |4 aut | |
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