催化作用
材料科学
分解
纳米颗粒
化学工程
热解
拉曼光谱
氨
碳纳米纤维
热液循环
纳米纤维
碳纤维
无机化学
纳米技术
碳纳米管
化学
复合材料
复合数
有机化学
物理
工程类
光学
作者
Samikannu Prabu,Ranjith Kumar Dharman,Kung Yuh Chiang,Ranjith Kumar Dharman
标识
DOI:10.1016/j.jiec.2023.05.048
摘要
The development of highly efficient catalysts towards ammonia decomposition is a promising strategy for COx-free hydrogen production. Herein, we synthesized an active catalyst using Ni nanoparticles (NPs) dispersed on MgO and N-doped carbon nanofiber (NCFs) (Ni/MgO@NCFs) catalyst by pyrolysis followed by hydrothermal method. The X-ray diffraction (XRD) and Raman analyses studied the crystal formation of the heterostructure, and HR-TEM results revealed that Ni NPs with 4.5 nm in size were uniformly embedded in the NCFs. As a result, the optimum Ni@MgO-NCFs (10 wt.%) exhibit superior catalytic performance and excellent stability activity for 60 h at 300 °C and 450 °C. This work promises to explore Ni@MgO-NCFs catalyst as a new kind of effective catalyst for ammonia decomposition and to enhance the catalytic activity by controlling the metal-support interaction of the catalysts.
科研通智能强力驱动
Strongly Powered by AbleSci AI