Issue 38, 2021

Facile synthesis of bimetallic-based CoMoO4/MoO2/CoP oxidized/phosphide nanorod arrays electroplated with FeOOH for efficient overall seawater splitting

Abstract

A hierarchical rod-array structure Mo and Co-based oxidized/phosphide electroplated with FeOOH (NF@P-S450@FeOOH) composites on Ni foam (NF) was prepared via facile hydrothermal and electrodeposition methods. The as-synthesized rod-arrays exhibited excellent electrocatalytic performance and favorable stability for the oxygen evolution reaction (OER) under an alkaline atmosphere (overpotential of 240.5 mV under 100 mA cm−2). After doping P into Mo and Co-based oxidized (S450) nanorods, excellent composites were developed for the hydrogen evolution reaction (HER) with an overpotential of 162.8 mV under 100 mA cm−2. Thus, an asymmetric setup composed of Mo and Co-based oxidized/phosphide (P-S450) nanorods and P-S450@FeOOH electrodes were constructed for overall seawater splitting, which delivered a potential of 1.828 V at 300 mA cm−2 in alkaline simulated seawater (1 M KOH + 0.5 M NaCl). This work may provide a new method for overall seawater splitting using the reasonable design and synthesis of non-noble metal composites.

Graphical abstract: Facile synthesis of bimetallic-based CoMoO4/MoO2/CoP oxidized/phosphide nanorod arrays electroplated with FeOOH for efficient overall seawater splitting

Article information

Article type
Paper
Submitted
06 Jūn. 2021
Accepted
19 Aug. 2021
First published
21 Aug. 2021

CrystEngComm, 2021,23, 6778-6791

Facile synthesis of bimetallic-based CoMoO4/MoO2/CoP oxidized/phosphide nanorod arrays electroplated with FeOOH for efficient overall seawater splitting

P. Yang, C. Jin, M. Ren, H. Xing and J. Shi, CrystEngComm, 2021, 23, 6778 DOI: 10.1039/D1CE00748C

To request permission to reproduce material from this article, please go to the Copyright Clearance Center request page.

If you are an author contributing to an RSC publication, you do not need to request permission provided correct acknowledgement is given.

If you are the author of this article, you do not need to request permission to reproduce figures and diagrams provided correct acknowledgement is given. If you want to reproduce the whole article in a third-party publication (excluding your thesis/dissertation for which permission is not required) please go to the Copyright Clearance Center request page.

Read more about how to correctly acknowledge RSC content.

Social activity

Spotlight

Advertisements