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Stölzle, Sophie C. and Freudenmann, Dominic (2025) HIM_30: Design an Evaluation of a Metal-Free Hypergolic Bipropellant Based on Ionic Liquids and Hydrogen Peroxide. 54th International Annual Conference of the Fraunhofer ICT, 2025-06-24 - 2025-06-27, Karlsruhe, Deutschlang.
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Abstract
In the search for alternative hypergolic propellant combinations, the pairing of hydrogen peroxide as oxidizer with ionic liquids as fuel is gaining attention as a compelling solution. Ionic liquids offer desirable characteristics - including extremely low vapor pressure, high density and customizable cation configurations - that make them ideal candidates for future propulsion technologies. The fuel blend HIM_30, composed of two ionic liquids, achieves rapid hypergolic ignition with high-test peroxide, without relying on transition metal or hydride-based additives. This study presents a detailed analysis of this novel green propellant combination, along with the first results from hot-firing tests.
| Item URL in elib: | https://elib.dlr.de/217709/ | ||||||||||||
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| Document Type: | Conference or Workshop Item (Poster) | ||||||||||||
| Title: | HIM_30: Design an Evaluation of a Metal-Free Hypergolic Bipropellant Based on Ionic Liquids and Hydrogen Peroxide | ||||||||||||
| Authors: |
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| Date: | June 2025 | ||||||||||||
| Refereed publication: | Yes | ||||||||||||
| Open Access: | No | ||||||||||||
| Gold Open Access: | No | ||||||||||||
| In SCOPUS: | No | ||||||||||||
| In ISI Web of Science: | No | ||||||||||||
| Status: | Published | ||||||||||||
| Keywords: | green propellants, hypergolic propellants, space propulsion, hydrogen peroxide, ionic liquids | ||||||||||||
| Event Title: | 54th International Annual Conference of the Fraunhofer ICT | ||||||||||||
| Event Location: | Karlsruhe, Deutschlang | ||||||||||||
| Event Type: | international Conference | ||||||||||||
| Event Start Date: | 24 June 2025 | ||||||||||||
| Event End Date: | 27 June 2025 | ||||||||||||
| HGF - Research field: | Aeronautics, Space and Transport | ||||||||||||
| HGF - Program: | Space | ||||||||||||
| HGF - Program Themes: | Space Transportation | ||||||||||||
| DLR - Research area: | Raumfahrt | ||||||||||||
| DLR - Program: | R RP - Space Transportation | ||||||||||||
| DLR - Research theme (Project): | R - Synergy Project Project NeoFuels | ||||||||||||
| Location: | Lampoldshausen | ||||||||||||
| Institutes and Institutions: | Institute of Space Propulsion > Chemical Propellant Technology | ||||||||||||
| Deposited By: | Stölzle, Dr. Sophie C. | ||||||||||||
| Deposited On: | 27 Oct 2025 10:57 | ||||||||||||
| Last Modified: | 27 Oct 2025 10:57 |
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