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Direct growth of nickel-doped cobalt phosphide nanowire cluster on carbon cloth for efficient hydrogen evolution reaction

Abstract

The design and synthesis of highly efficient and durable non-noble metal electrocatalysts have become a top priority for the hydrogen evolution reaction (HER). Thus, this study describes a straightforward synthesis of nickel-doped cobalt phosphide nanowire clusters on carbon cloth (Ni-CoP/CC) via a simple hydrothermal-phosphating process. Owing to the unique nanowire cluster structure together with the use of current collector, such binder-free three-dimensional electrode of Ni-CoP/CC displays efficient HER activity, achieving the low overpotential of 53 mV at a geometric current density of 10 mA cm−2, with a Tafel slope of 57 mV dec−1 and superior stability (100 h) in 1.0 M KOH.

Funding source: Young Taishan Scholars Program of Shandong Province (tsqn201909124), the National Natural Science Foundation of China (21775054), the Project of “20 items of University” of Jinan (2019GXRC018) and the National Key Scientific Instrument and Equipment Development Project of China (21627809).
Related subjects: Production & Supply Chain
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2021-05-13
2021-09-17
http://instance.metastore.ingenta.com/content/journal2086
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