Facile boosting catalytic thermal decomposition of ammonium perchlorate from 3D porous nano Co3O4@ZnO composites

被引：0

作者：

Luo, Hongkun ^{[1
]}

Chen, Jiuqi ^{[1
]}

Wang, Jiayu ^{[1
]}

Li, Shuai ^{[1
]}

Li, Xiongjian ^{[1
]}

Yang, Jinhua ^{[1
]}

机构：

[1] Hubei Normal Univ, Coll Chem & Chem Engn, Hubei Key Lab Pollutant Anal & Reuse Technol, Huangshi 435002, Peoples R China

来源：

FUEL | 2025年 / 379卷

关键词：

Ammonium perchlorate; Co 3 O 4 @ZnO heterojunctions; Charge transfer capability; Thermal decomposition; Catalytic mechanism; PERFORMANCE; ZNO; HETEROJUNCTION;

D O I：

10.1016/j.fuel.2024.133122

中图分类号：

TE [石油、天然气工业]; TK [能源与动力工程];

学科分类号：

0807 ; 0820 ;

摘要：

The design of efficient catalysts for the pyrolysis of ammonium perchlorate (AP) is important for the performance of composite solid propellants. Co3O4@ZnO heterojunction composites were fabricated by hydrothermal and calcination treatments and used to promote the thermal decomposition of AP. The influences of the Co/Zn molar ratio on the catalytic performance and the content of decomposition products of AP were investigated by various techniques such as TEM, XPS, BET, EIS, and TG-IR. The results revealed that the Co/Zn = 3 sample exhibited excellent performance with the high-temperature decomposition (HTD) temperature of AP reduced from 410 degrees C to 295 degrees C and the apparent activation energy decreased to 98.7 kJ/mol in the case of 2 wt% addition, attributed to the construction of a heterojunction with abundant active sites enhancing the charge transfer capability between the Co3O4 and ZnO. The decomposition pathway of AP is influenced by the catalyst components, and the Co/Zn = 3 nanostructures demonstrated outstanding catalytic performance by accelerating the decomposition of HClO4 and the conversion of NH3, and promoting the production of N2O, NO, and NO2. This work provides a feasible strategy for the development of Co3O4@ZnO catalysts with excellent catalytic activity towards AP.

引用

页数：13

共 71 条

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