Spray-drying of milk for oxygen evolution electrocatalyst and solar water splitting

[Display omitted] The development of efficient and robust electrocatalyst has been the central of the solar water splitting-based hydrogen fuel acquisition. In this work, we reported the use of cow milk, with addition of tetraethyl orthosilicate (TEOS) and melamine, for the synthesis of nitrogen-dop...

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Bibliographic Details
Published inJournal of colloid and interface science Vol. 487; pp. 118 - 122
Main Authors Cai, Chenyi, Kuang, Min, Chen, Xiling, Wu, Hao, Ge, Hongtao, Zheng, Gengfeng
Format Journal Article
LanguageEnglish
Published United States Elsevier Inc 01.02.2017
Subjects
Electrocatalyst
Milk
Overpotential
Oxygen evolution reaction
Water splitting
Overpotential
Water splitting
Electrocatalyst
Oxygen evolution reaction
Milk
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Summary:[Display omitted] The development of efficient and robust electrocatalyst has been the central of the solar water splitting-based hydrogen fuel acquisition. In this work, we reported the use of cow milk, with addition of tetraethyl orthosilicate (TEOS) and melamine, for the synthesis of nitrogen-doped mesoporous carbon microspheres. Due to the large surface and enhanced charge transport behavior, the obtained samples enabled low overpotentials and a small Tafel slope toward oxygen evolution reaction, which were close or comparable to the best OER catalysts of carbon materials reported previously. Further incorporation of this catalyst and a Pt wire to a commercial solar cell, the direct solar-to-hydrogen conversion was realized, with a stability of over 30h.
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ISSN:0021-9797
1095-7103
DOI:10.1016/j.jcis.2016.10.017