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Pd Supported on Co@CN Derived from ZIF-67 as Catalyst for Hydrogen Generation from Formic Acid
Materials Letters ( IF 3 ) Pub Date : 2020-04-01 , DOI: 10.1016/j.matlet.2020.127308
Mengqin Yao , Yuling Ye , Honglin Chen , Xiaoming Zhang

Abstract Hydrogen generation from formic acid (FA) is a promising route in hydrogen energy supply, and catalyst is considered to be the key to this process. Herein, Pd nanoparticles assembled on porous carbon (Co@CN) which derived from ZIF-67, wherein Co species inherited from precursors plays as assistant to adjust the electronic and structure of Pd. In addition, the N atom on the porous carbon skeleton also modified the electronic state of Pd and promoted the anchoring of Pd nanoparticles. The as-synthesized catalyst (Pd/Co@CN) acquired high activity (TOF of 1403 h−1) and stability toward decomposition of FA at 30 °C.

中文翻译:

由 ZIF-67 衍生的 Co@CN 负载 Pd 作为甲酸制氢的催化剂

摘要 甲酸制氢(FA)是一种很有前景的氢能供应途径,催化剂被认为是该过程的关键。在此,Pd 纳米颗粒组装在源自 ZIF-67 的多孔碳(Co@CN)上,其中从前驱体继承的 Co 物种起到辅助调节 Pd 的电子和结构的作用。此外,多孔碳骨架上的 N 原子还改变了 Pd 的电子态,促进了 Pd 纳米粒子的锚定。合成后的催化剂 (Pd/Co@CN) 在 30°C 下获得了高活性(TOF 为 1403 h-1)和对 FA 分解的稳定性。
更新日期:2020-04-01
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