Remarkable Synergistic Catalysis of Ni-Doped Ultrafine TiO₂ on Hydrogen Sorption Kinetics of MgH₂

Jiguang Zhang; Rui Shi; Yunfeng Zhu; Yana Liu; Yao Zhang; Shanshan Li; Liquan Li

doi:10.1021/acsami.8b06865

journal article·2018-08-01

Remarkable Synergistic Catalysis of Ni-Doped Ultrafine TiO₂ on Hydrogen Sorption Kinetics of MgH₂

Jiguang Zhang, Rui Shi, Yunfeng Zhu, Yana Liu, Yao Zhang, Shanshan Li, Liquan Li

ACS Applied Materials & Interfaces· Volume 10· Issue 30

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Source abstract

Abstract

Catalysts play an extraordinarily important role in accelerating the hydrogen sorption rates in metal–hydrogen systems. Herein, we report a surprisingly synergetic enhancement of metal–metal oxide cocatalyst on the hydrogen sorption properties of MgH2: only 5 wt % doping of Ni into ultrafine TiO2 enables a significant increase in hydrogen desorption kinetics; it absorbs 4.50 wt % hydrogen even at a low temperature of 50 °C. The striking improvement is partially ascribed to the formation of a particular Ni@TiO2 core–shell structure, thereby forming versatile interfaces. This study provides insights into the way of designing high-efficiency catalysts in hydrogen storage and other energy-related fields.

Source: openalex_inverted_index · Quality: baseline

Research context

Catalysis & surfaces

OpenAlex topics: Hydrogen Storage and Materials · Ammonia Synthesis and Nitrogen Reduction · Hybrid Renewable Energy Systems

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

College of Materials Science and Engineering, Nanjing Tech University, 5 Xinmofan Road, Nanjing 210009, P.R. China

Jiangsu Collaborative Innovation Centre for Advanced Inorganic Function Composites, Nanjing Tech University, Nanjing 210009, P.R. China

School of Materials Science and Engineering, Southeast University, Nanjing 211189, P.R. China

Funding

Natural Science Foundation of Jiangsu Province · National Natural Science Foundation of China · Natural Science Foundation of the Jiangsu Higher Education Institutions · Priority Academic Program Development of Jiangsu Higher Education Institutions

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