Exploring the possibilities of energetic ionic liquids as non-toxic hypergolic bipropellants in liquid rocket engines

II Sam, S Gayathri, G Santhosh, J Cyriac… - Journal of Molecular …, 2022 - Elsevier
Energetic ionic liquids (EILs) are widely investigated as hypergolic non-toxic bipropellant
fuel along with green and non-toxic concentrated hydrogen peroxide oxidiser. These …

Development of Polyamine/Alkanolamine-based Hypergolics with hydrogen Peroxide: A new route to N-methylimidazole with MDEA as a promising green fuel

FAS Mota, M Liu, AAA Mohsen, X Yao, Z Mai, C Tang - Fuel, 2024 - Elsevier
A novel non-ionic liquid fuel based on a mixture of N-methylimidazole (MIm) and N-
methyldiethanolamine (MDEA) called PAHyp 2 which reacts hypergolically with hydrogen …

Programming a metal–organic framework toward excellent hypergolicity

Y Zhang, YY Xing, C Wang, R Pang… - … Applied Materials & …, 2022 - ACS Publications
Exploring novel hypergolic fuels for modern space propulsion is highly desired. However,
the analysis and understanding of the structure and hypergolic performance at the molecular …

Hunting for energetic complexes as hypergolic promoters for green propellants using hydrogen peroxide as oxidizer

X Zhao, Z Wang, X Qi, S Song, S Huang… - Inorganic …, 2021 - ACS Publications
The development of hypergolic materials has aroused great interest due to their important
applications in aerospace technology. In this work, six new energetic complexes were …

One-dimensional copper bromide based inorganic-organic hybrids as fuels for hypergolic bipropellants with hydrogen peroxide as oxidizer

YJ Wang, XY Wang, H Xu, WW Ren, R Pang… - Chemical Engineering …, 2023 - Elsevier
In this work, a series of unprecedented one-dimensional (1D) copper bromide-based
inorganic–organic hybrids were synthesized as hypergolic fuels. In the absence of …

Effects of oxidizing additives on the physical properties and ignition performance of hydrogen peroxide-based hypergolic propellants

S Park, K Lee, H Kang, Y Park, J Lee - Acta Astronautica, 2022 - Elsevier
Herein, the concept of novel hypergolic pairs for the enhanced ignition performance of
hypergolic propellants is proposed. The proposed hypergolic combinations comprised ionic …

Reactivity of hypergolic hybrid solid fuel with industrial grade hydrogen peroxide

S Rang, J Jeong, VK Bhosale, S Kwon - Fuel, 2022 - Elsevier
Hypergolic solid fuels and hydrogen peroxide oxidizers have attracted considerable
attention for the development of safe hybrid rocket propulsion systems. In this study, a new …

Optical visualization of hypergolic burning spray structure using blue light spectrum

KS Kim, S Jung, S Kwon - Acta Astronautica, 2022 - Elsevier
In this study, we focused on a novel methodology involving the optical visualization of a
hypergolic burning spray. A hypergolic propellant, comprising 95 wt% H 2 O 2 and an amine …

Designing Difunctional Promoters for Hypergolic Ignitions of Green Bipropellants Combining Ionic Liquids with H2O2

B Wang, Z Wang, Y Jin, K Wang - Industrial & Engineering …, 2022 - ACS Publications
The emergence of tetrahydroborate (BH4–)/cyanoborohydride (BH3CN–) anion-based ionic
liquid fuels in combination with high test peroxide (> 90% H2O2, HTP) oxidizers has …

Catalytic ignition of N (CN) 2− ionic liquid-H 2 O 2 with zero-dimensional Cu-MOFs

Q Cheng, Y Yao, P Dou, L Liu, Y Cao… - Journal of Materials …, 2024 - pubs.rsc.org
Ionic liquid-H2O2 is one of the most important proposed systems for green propellants.
However, due to its weak oxidizing ability, H2O2 can hardly ignite ionic liquids. Therefore, in …