Adjusting the valence band center of Co-Ni-bimetallic sulfides through lattice expansion and stacking faults triggered by strain engineering to boost oxygen evolution reaction

Pang, Han; Yu, Zebin; Xin, Qin; Fan, Ben; Jiang, Ronghua; Li, Shuang; Hou, Yanping; Tang, Wenjun; Wang, Mi; Shi, Zhikai

doi:10.1016/j.jcis.2023.05.071

Cited by 14 publications

(1 citation statement)

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“…[69] Many researchers found that the introduction of structural defects, in particular, SF defects, can induce a strain effect on the catalyst materials, modifying the electronic structures and electrocatalytic properties. [70] For instance, Pang et al [71] utilized a hydrothermal method to introduce an abundance of SFs into the Co 3 S 4 crystal within Co 3 S 4 /Ni 3 S 2 -10%Mo@NC to enhance the OER activity. The Co 3 S 4 /Ni 3 S 2 -10%Mo@NC catalyst demonstrated promising OER performance, reaching the current density of 10 and 100 mA cm −2 at an overpotential of 164 and 223 mV, respectively, comparable to the OER activity of commercial RuO 2 .…”

Section: Oermentioning

confidence: 99%

Advancing Catalysts by Stacking Fault Defects for Enhanced Hydrogen Production: A Review

Wang,

Arandiyan

et al. 2024

Advanced Materials

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Green hydrogen, derived from water splitting powered by renewable energy such as solar and wind energy, provides a zero‐emission solution crucial for revolutionizing hydrogen production and decarbonizing industries. Catalysts, particularly those utilizing defect engineering involving the strategical introduction of atomic‐level imperfections, play a vital role in reducing energy requirements and enabling a more sustainable transition towards a hydrogen‐based economy. Stacking fault (SF) defects play an important role in enhancing the electrocatalytic processes by reshaping surface reactivity, increasing active sites, improving reactants/product diffusion, and regulating electronic structure due to their dense generation ability and profound impact on catalyst properties. This review explores SF in metal‐based materials, covering synthetic methods for the intentional introduction of SF and their applications in hydrogen production, including oxygen evolution reaction, photo‐ and electrocatalytic hydrogen evolution reaction, overall water splitting, and various other electrocatalytic processes such as oxygen reduction reaction, nitrate reduction reaction, and carbon dioxide reduction reaction. Finally, this review addresses the challenges associated with SF‐based catalysts, emphasizing the importance of a detailed understanding of the properties of SF‐based catalysts to optimize their electrocatalytic performance. It provides a comprehensive overview of their various applications in electrocatalytic processes, providing valuable insights for advancing sustainable energy technologies.This article is protected by copyright. All rights reserved

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Section: Oermentioning

confidence: 99%