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Insights into oxidant matching with green gas generator 5-aminotetrazole from aspects of thermal decomposition behavior, kinetics and combustion mechanism

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  • Zhao, Shu-Na
  • Li, Mi
  • Liu, Hao
  • Han, Zhong-Xuan
  • Chen, Jiu
  • Jiang, Lin

Abstract

The green gas generator 5-aminotetrazole (5-AT) is widely applied as an energetic material due to its exceptional characteristics. To investigate the impact of oxidants on the decomposition performance of 5-AT, we prepared three samples using three different oxidants (Sr(NO3)2, KNO3, and KClO4) along with 5-AT under the principle of zero oxygen balance. Then, thermal behavior of the three samples was examined using TG-DTA and TG-FTIR, and their activation energies for each reaction stage were calculated using iso-conversional methods. Results show that the decomposition of these samples occurs in multiple reaction stages and all oxidants, particularly KNO3, facilitate the thermal decomposition of 5-AT. Furthermore, the detailed decomposition mechanism of 5-AT with oxidants was speculated, including that there are two simultaneous ring-opening paths in the first thermal decomposition step of each 5-AT isomer. Eventually, this research can give a meaningful instruction to the formulation design of gas-generation propellant with fewer restrictions in their application.

Suggested Citation

  • Zhao, Shu-Na & Li, Mi & Liu, Hao & Han, Zhong-Xuan & Chen, Jiu & Jiang, Lin, 2024. "Insights into oxidant matching with green gas generator 5-aminotetrazole from aspects of thermal decomposition behavior, kinetics and combustion mechanism," Renewable Energy, Elsevier, vol. 224(C).
    • Handle: RePEc:eee:renene:v:224:y:2024:i:c:s0960148124002210
    DOI: 10.1016/j.renene.2024.120156
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    References listed on IDEAS

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    1. Liu, Hao & Li, Mi & Zhao, Shuna & Mensah, Rhoda Afriyie & Das, Oisik & Jiang, Lin & Xu, Qiang, 2023. "Insights into wood species and aging effects on pyrolysis characteristics and combustion model by multi kinetics methods and model constructions," Renewable Energy, Elsevier, vol. 206(C), pages 784-794.
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