ZrO2 supported Pt nanoparticles for robust electrocatalytic hydrogen evolution reactions

被引：1
作者：
Hussain, Muhammad Bilal [1 ]
Ahmad, Munir [2 ]
Cheng, Xingxing [1 ]
Mehmood, Rashid [3 ]
Ajmal, Zeeshan [4 ]
Hussain, Shabab [5 ]
Tayyab, Muhammad [5 ]
Gitis, Vitaly [6 ]
机构：
[1] Shandong Univ, Sch Energy & Power Engn, Natl Engn Lab Coal Fired Pollutant Emiss Reduct, Jinan 250061, Peoples R China
[2] Zhejiang Wanli Univ, Inst Carbon Neutral, Ningbo 315100, Peoples R China
[3] Chinese Acad Sci, State Key Lab Catalysis, Dalian Natl Lab Clean Energy, Dalian Inst Chem Phys, Dalian 116023, Liaoning, Peoples R China
[4] Northwestern Polytech Univ, Sch Chem & Chem Engn, Xian 710072, Peoples R China
[5] Shenzhen Univ, Coll Mat Sci & Engn, Shenzhen Key Lab Polymer Sci & Technol, Shenzhen 518060, Peoples R China
[6] Bengurion Univ Negev, Dept Mech Engn, POB 653, IL-8410501 Beer Sheva, Israel
来源：
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY | 2025年 / 106卷
关键词：
Green hydrogen; Facile approach; ZrO 2 /Pt heterostructure; Strong metal-support interaction; HER; METAL-ORGANIC FRAMEWORK; MOF-DERIVED ELECTROCATALYSTS; REFORMING PROCESS; WATER; REDUCTION; CATALYSTS; PROGRESS; METHANE; ENERGY;
D O I：
10.1016/j.ijhydene.2025.02.024
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
The rational design and construction of stable metal nanoparticles (NPs) are urgently needed to address the challenges of energy scarcity and environmental degradation. In this work, zirconium dioxide-supported platinum (ZrO2/Pt) nanoparticles heterostructure electrocatalyst was synthesized from a platinum-loaded metalorganic framework (Pt/UiO-66-NH2) nanocomposite using a facile ion-exchange strategy combined with a soft template method. The octahedral morphology, high surface area and suitable porosity of UiO-66-NH2 are particularly advantageous for anchoring Pt NPs on its surface. The calcination step is crucial for inducing defects and generating oxygen vacancies, which help stabilize the Pt NPs on ZrO2 matrix. Notably, the morphology of the ZrO2/Pt heterostructure remains consistent with that of the original Pt/UiO-66-NH2 even after calcination. Additionally, the in-situ generated defects and oxygen vacancies in the ZrO2/Pt heterostructure during the calcination process significantly enhance its electrical conductivity. As a result, the as-prepared ZrO2/Pt heterostructure exhibits superior electrochemical performance (ti10 = 38 mV) in hydrogen evolution reactions (HER) compared to the state-of-the-art commercial platinum on carbon support (Pt/C) electrocatalyst (ti10 = 56 mV). This study highlights the pivotal role of metal-organic frameworks (MOFs)-based material in fabricating advanced electrocatalyst for HER, with the exceptional HER activity of ZrO2/Pt offering promising prospects for green hydrogen production.
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页码：825 / 833
页数：9
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