MOF-derived formation of nickel cobalt sulfides with multi-shell hollow structure towards electrocatalytic hydrogen evolution reaction in alkaline media

By Wu, Caiyun; Du, Yunmei; Fu, Yunlei; Wang, Wensi; Zhan, Tianrong; Liu, Yanru; Yang, Yu; Wang, Lei
Published in Composites Part B: Engineering 2019

Abstract

In this work, nickel cobalt bimetallic sulfide with typical multi-shell hollow sphere structure behaved superior electrocatalytic activity towards hydrogen evolution reaction (HER), which have been prepared through a easy method included solvothermal step, calcination step and in-situ sulfurization step. The composition and structure of the obtained nickel cobalt bimetallic sulfide are controlled through adjusting the sulfurization temperature and dosage of sulfur source. The as-prepared Ni

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