The Synthesis of Nanostructured Ni5P4 Films and their Use as a Non-Noble Bifunctional Electrocatalyst for Full Water Splitting

Marc Ledendecker; Sandra Krickcalderõn; Christian Papp; Hans Peter Steinrück; Markus Antonietti; Menny Shalom

doi:10.1002/anie.201502438

The Synthesis of Nanostructured Ni₅P₄ Films and their Use as a Non-Noble Bifunctional Electrocatalyst for Full Water Splitting

Marc Ledendecker, Sandra Krickcalderõn, Christian Papp, Hans Peter Steinrück, Markus Antonietti, Menny Shalom

Research output: Contribution to journal › Article › peer-review

809 Scopus citations

Abstract

The investigation of nickel phosphide (Ni₅P₄) as a catalyst for the hydrogen (HER) and oxygen evolution reaction (OER) in strong acidic and alkaline environment is described. The catalyst can be grown in a 3D hierarchical structure directly on a nickel substrate, thus making it an ideal candidate for practical water splitting devices. The activity of the catalyst towards the HER, together with its high stability especially in acidic solution, makes it one of the best non-noble materials described to date. Furthermore, Ni₅P₄ was investigated in the OER and showed activity superior to pristine nickel or platinum. The practical relevance of Ni₅P₄ as a bifunctional catalyst for the overall water splitting reaction was demonstrated, with 10mA cm^-2 achieved below 1.7V.

Original language	English
Pages (from-to)	12361-12365
Number of pages	5
Journal	Angewandte Chemie International Edition in English
Volume	54
Issue number	42
DOIs	https://doi.org/10.1002/anie.201502438
State	Published - 1 Oct 2015
Externally published	Yes

Keywords

ceramics
hydrogen evolution reaction
nickel phosphides
oxygen evolution reaction
water splitting reaction

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

Access to Document

10.1002/anie.201502438

Cite this

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title = "The Synthesis of Nanostructured Ni5P4 Films and their Use as a Non-Noble Bifunctional Electrocatalyst for Full Water Splitting",

abstract = "The investigation of nickel phosphide (Ni5P4) as a catalyst for the hydrogen (HER) and oxygen evolution reaction (OER) in strong acidic and alkaline environment is described. The catalyst can be grown in a 3D hierarchical structure directly on a nickel substrate, thus making it an ideal candidate for practical water splitting devices. The activity of the catalyst towards the HER, together with its high stability especially in acidic solution, makes it one of the best non-noble materials described to date. Furthermore, Ni5P4 was investigated in the OER and showed activity superior to pristine nickel or platinum. The practical relevance of Ni5P4 as a bifunctional catalyst for the overall water splitting reaction was demonstrated, with 10mA cm-2 achieved below 1.7V.",

keywords = "ceramics, hydrogen evolution reaction, nickel phosphides, oxygen evolution reaction, water splitting reaction",

author = "Marc Ledendecker and Sandra Krickcalder{\~o}n and Christian Papp and Steinr{\"u}ck, {Hans Peter} and Markus Antonietti and Menny Shalom",

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AU - Ledendecker, Marc

AU - Krickcalderõn, Sandra

AU - Papp, Christian

AU - Steinrück, Hans Peter

AU - Antonietti, Markus

AU - Shalom, Menny

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N2 - The investigation of nickel phosphide (Ni5P4) as a catalyst for the hydrogen (HER) and oxygen evolution reaction (OER) in strong acidic and alkaline environment is described. The catalyst can be grown in a 3D hierarchical structure directly on a nickel substrate, thus making it an ideal candidate for practical water splitting devices. The activity of the catalyst towards the HER, together with its high stability especially in acidic solution, makes it one of the best non-noble materials described to date. Furthermore, Ni5P4 was investigated in the OER and showed activity superior to pristine nickel or platinum. The practical relevance of Ni5P4 as a bifunctional catalyst for the overall water splitting reaction was demonstrated, with 10mA cm-2 achieved below 1.7V.

AB - The investigation of nickel phosphide (Ni5P4) as a catalyst for the hydrogen (HER) and oxygen evolution reaction (OER) in strong acidic and alkaline environment is described. The catalyst can be grown in a 3D hierarchical structure directly on a nickel substrate, thus making it an ideal candidate for practical water splitting devices. The activity of the catalyst towards the HER, together with its high stability especially in acidic solution, makes it one of the best non-noble materials described to date. Furthermore, Ni5P4 was investigated in the OER and showed activity superior to pristine nickel or platinum. The practical relevance of Ni5P4 as a bifunctional catalyst for the overall water splitting reaction was demonstrated, with 10mA cm-2 achieved below 1.7V.

KW - ceramics

KW - hydrogen evolution reaction

KW - nickel phosphides

KW - oxygen evolution reaction

KW - water splitting reaction

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