磷化物
过电位
催化作用
电催化剂
化学工程
材料科学
制氢
环境友好型
化学
无机化学
纳米技术
电化学
电极
有机化学
物理化学
工程类
生态学
生物
作者
Yanru Feng,Wenjuan Xu,Zejun Sun,Chengrui Li,Liutao Guo,Hong Li,Junli Xu,Hong Sun
出处
期刊:ACS Sustainable Chemistry & Engineering
[American Chemical Society]
日期:2022-06-23
卷期号:10 (26): 8605-8614
被引量:4
标识
DOI:10.1021/acssuschemeng.2c02166
摘要
The construction of environmentally friendly and efficient electrocatalysts is of great significance for energy-saving hydrogen production. Here, we fabricate a phosphate and phosphide composite-based catalyst using the highly integrated precursor 1,1′-bis (diphenylphosphino) ferrocene (DPPF) as integral P, Fe, and C sources. The catalyst was prepared via the vapor deposition process of DPPF on the precursor of 900 °C pretreated ZIF-L/NF. Under the induction of P in DPPF, Ni on NF migrates through porous NC to form Ni2P, while DPPF transforms into FePO4/PdC. Therefore, the catalyst has the structure of the FePO4/P-doped C two-dimensional nanofilm-encapsulated Ni2P@NC matrix on NF substrates (named FPPC/Ni2P@NC/NF). Benefiting from the synergistic effect of the FePO4/PdC, Ni2P, and NC matrix, the FPPC/Ni2P@NC/NF catalyst needs only 1.317 V to reach 10 mA cm–2 in urea oxidation. Moreover, it also exhibits good OER activity, which requires an overpotential of 292 mV to reach 100 mA cm–2. This work provides a novel and environmentally friendly strategy for the simultaneous construction of metal phosphate and phosphide catalysts.
科研通智能强力驱动
Strongly Powered by AbleSci AI