Electrodeposited NiCu nanoparticles for the borohydride oxidation reaction: Effect of Cu on the activity and stability of Ni upon surface oxidation

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Electrodeposited NiCu nanoparticles for the borohydride oxidation reaction: Effect of Cu on the activity and stability of Ni upon surface oxidation. / Vorms, Evgeniia A.; Suprun, Evgeniy A.; Nartova, Anna V. et al.

In: Electrochimica Acta, Vol. 433, 141196, 20.11.2022.

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

BibTeX

@article{77073853291844078fa60c2161bc00ad,

title = "Electrodeposited NiCu nanoparticles for the borohydride oxidation reaction: Effect of Cu on the activity and stability of Ni upon surface oxidation",

abstract = "Development cost-effective and stable electrocatalysts for the borohydride oxidation reaction (BOR) is mandatory for the deployment of the direct borohydride fuel cells (DBFC). Ni electrocatalysts have recently been shown to outperform noble-metal (Pt, Pd, Au) catalysts at low BOR overpotentials, but their activity largely depends on the state of the Ni surface with metallic Ni demonstrating the highest activity. Here, bimetallic NiCu nanoparticles of different compositions were prepared, which demonstrate high BOR activity comparable to Ni nanoparticles in the metallic state of their surface and allow to overcome in considerable extent the negative issues related to inevitable surface passivation.",

keywords = "Alkaline media, Borohydride oxidation reaction (BOR), Copper, Electrodeposition, Nickel",

author = "Vorms, {Evgeniia A.} and Suprun, {Evgeniy A.} and Nartova, {Anna V.} and Kvon, {Ren I.} and Oshchepkov, {Alexandr G.}",

note = "Funding Information: This work was supported by the Russian Science Foundation [Grant No. 21-73-00256 ]. Publisher Copyright: {\textcopyright} 2022",

year = "2022",

month = nov,

day = "20",

doi = "10.1016/j.electacta.2022.141196",

language = "English",

volume = "433",

journal = "Electrochimica Acta",

issn = "0013-4686",

publisher = "Elsevier Ltd",

}

RIS

TY - JOUR

T1 - Electrodeposited NiCu nanoparticles for the borohydride oxidation reaction: Effect of Cu on the activity and stability of Ni upon surface oxidation

AU - Vorms, Evgeniia A.

AU - Suprun, Evgeniy A.

AU - Nartova, Anna V.

AU - Kvon, Ren I.

AU - Oshchepkov, Alexandr G.

PY - 2022/11/20

Y1 - 2022/11/20

N2 - Development cost-effective and stable electrocatalysts for the borohydride oxidation reaction (BOR) is mandatory for the deployment of the direct borohydride fuel cells (DBFC). Ni electrocatalysts have recently been shown to outperform noble-metal (Pt, Pd, Au) catalysts at low BOR overpotentials, but their activity largely depends on the state of the Ni surface with metallic Ni demonstrating the highest activity. Here, bimetallic NiCu nanoparticles of different compositions were prepared, which demonstrate high BOR activity comparable to Ni nanoparticles in the metallic state of their surface and allow to overcome in considerable extent the negative issues related to inevitable surface passivation.

AB - Development cost-effective and stable electrocatalysts for the borohydride oxidation reaction (BOR) is mandatory for the deployment of the direct borohydride fuel cells (DBFC). Ni electrocatalysts have recently been shown to outperform noble-metal (Pt, Pd, Au) catalysts at low BOR overpotentials, but their activity largely depends on the state of the Ni surface with metallic Ni demonstrating the highest activity. Here, bimetallic NiCu nanoparticles of different compositions were prepared, which demonstrate high BOR activity comparable to Ni nanoparticles in the metallic state of their surface and allow to overcome in considerable extent the negative issues related to inevitable surface passivation.

KW - Alkaline media

KW - Borohydride oxidation reaction (BOR)

KW - Copper

KW - Electrodeposition

KW - Nickel

UR - http://www.scopus.com/inward/record.url?scp=85138471425&partnerID=8YFLogxK

U2 - 10.1016/j.electacta.2022.141196

DO - 10.1016/j.electacta.2022.141196

M3 - Article

AN - SCOPUS:85138471425

VL - 433

JO - Electrochimica Acta

JF - Electrochimica Acta

SN - 0013-4686

M1 - 141196

ER -

ID: 38031747