In Situ Cutting of Ammonium Perchlorate Particles by Co-Bipy “scalpel” for High Efficiency Thermal Decomposition

影响因子：14.3

DOI码：10.1002/advs.202204109

发表刊物：Advanced Science

摘要：Burning rate of solid propellants can be effectively improved by adding catalysts and using smaller size ammonium perchlorate (AP). Although few reports, the exploration of changing the size of AP primary particles by catalysts is of great significance for improving combustion performance. Here, taking Co-bipy as an example, the potential advantages of such materials as AP decomposition catalysts are reported. Due to the existence of NO3- combined with oxygen rich environment provided by AP, the structural self-transformation from micronrods to nanoparticles can be quickly realized during the heating process. More importantly, when Co-bipy decomposes, it can play the role of "scalpel" and in situ cut AP particles. Results show that high-temperature decomposition of Co-bipy/AP occurs at 305.8 degrees C, which is 137.5 degrees C lower than that of pure AP. Catalytic mechanism is discussed by in situ IR and TG-IR, CoO can effectively increase the content of reactive oxygen species and weaken the N-H bond, realizing the rapid oxidation of NH3. Eventually, the behavior of Co-bipy cutting AP particles is tested. This interesting catalyst structure self-transformation behavior can not only realize the influence on AP, but also perform a positive function in the combustion process of solid propellants, such as opening the adhesive AP interface.
https://onlinelibrary.wiley.com/doi/10.1002/advs.202204109

合写作者：Zhang Siwei,Ren Zhuoqun,Tang Xiaolin,Zhang Kuan,Zhou Rui,Wu Dan,Liao Jun

论文类型：期刊论文

通讯作者：Zhang Yifu*,Huang Chi*

论文编号：2204109

文献类型：J

卷号：9

期号：35

ISSN号：2198-3844

是否译文：否

发表时间：2022-10-30

收录刊物：SCI

发布期刊链接：https://doi.org/10.1002/advs.202204109

附件：

 1.Advanced Science - 2022 - .pdf