Development of Integrated Fuel Cell Aboard Spacecraft, Operable under Ultra Low Temperature, Combined with Propulsion System

与推进系统相结合的可在超低温下运行的航天器集成燃料电池的开发

• 批准号: 19360388
• 负责人: KAWAGUCHI Junichiro
• 金额: $ 12.31万
• 依托单位: Japan Aerospace Exploration Agency
• 依托单位国家: 日本
• 项目类别: Grant-in-Aid for Scientific Research (B)
• 财政年份: 2007
• 资助国家: 日本
• 起止时间: 2007 至 2010
• 项目状态: 已结题
• 来源: https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-19360388/
• 关键词: 燃料電池; 統合型; 推進機関; 触媒; 宇宙機

The hydrazine based freeze-resistant liquid propellants were studied in the effort to decrease the dry mass of the propulsion system for spacecraft. This research is also related to the integration between the propulsion system and the fuel cell electrical power supply system which adopts the same combination of fuel and oxidizer. The temperature control device is usually equipped to preserve hydrazine in liquid phase because of its freezing point of approximately 275K. Lowering of the freezing point of hypergolic propellants will contribute to the minimization of the mass for the propulsion system. A hydroxylamine water solution was suggested as a candidate in this research. Hydroxylamine has a high chemical potential and is also a carbon-free material.Based on the above results, the fuel cell reaction was tested. First, the fuel with the m.p. less than -40℃ was prepared, and the fuel was electrochemically reacted with oxidant. From the results, We confirmed that the fuel could be used for the fuel cell.

为了降低航天器推进系统的干质量，对肼基防冻液体推进剂进行了研究。本研究亦涉及推进系统与燃料电池供电系统的整合，两者采用相同的燃料与氧化剂组合。由于肼的凝固点约为275 K，通常配备温度控制装置以将肼保持在液相中。降低自燃推进剂的凝固点将有助于推进系统质量的最小化。羟胺水溶液被建议作为本研究的候选者。羟胺具有高化学势，又是一种无碳材料，基于上述结果，对燃料电池反应进行了测试。首先，制备了熔点低于-40℃的燃料，并将燃料与氧化剂进行电化学反应。从实验结果来看，该燃料可以用于燃料电池。

项目成果

耐低温性推進薬

耐低温推进剂

• 发表时间: 2009

守宙探査機角耐侮温推進剤の研究

航天器耐温推进剂研究

• 发表时间: 2011
• 作者: 羽生宏人;曽根理嗣;高見剛史;川口淳一郎
• 通讯作者: 川口淳一郎

宇宙探査機用低凝固点推進剤の研究

空间探测器用低凝固点推进剂研究

• 发表时间: 2011
• 作者: 羽生宏人;高見剛史;曽根理嗣;川口淳一郎
• 通讯作者: 川口淳一郎