Cobalt phosphides were synthesized by high-energy ball-milling technique.
采用高能球磨法合成磷化钴系列化合物。
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XRD, CO chemisorption, TPR, HRTEM, and XPS techniques were used to characterize the structures of metal phosphides, which provide some insights into the enhanced HDS activities.
Improvement and modification of traditional metal sulphide catalysts, and the current situation of new catalysts such as metal carbides, metal nitrides and metal phosphides are emphasized.