Development and performance of direct unsymmetrical dimethylhydrazine fuel cells
Development and performance of direct unsymmetrical dimethylhydrazine fuel cells
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直接不对称二甲肼燃料电池的开发与性能
DOI：
10.1016/j.elecom.2022.107372
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发表时间：
2022-09
影响因子：
5.4
通讯作者：
Ying Jia
中科院分区：
文献类型：
--
作者：
Mengyuan Zhao;Xiaomeng Lv;Ying Jia
• Unsymmetrical dimethylhydrazine was used as the fuel in DLFC for the first time. • Focusing on the effects of different operating parameters on the cell performance. • A peak power density of 129 mW.cm −2 was achieved. • A new pathway to the reuse of highly concentrated unsymmetrical dimethylhydrazine waste fluid. In this paper, a direct unsymmetrical dimethylhydrazine/H 2 O 2 fuel cell based on a Nafion membrane and Pt/C catalyst is developed, focusing on the effects of different operating parameters on the cell performance, including the cell operating temperature, the concentration of added electrolyte (NaOH, H 2 SO 4 ), the concentration of oxidant (H 2 O 2 ), and the volume flow rate of the feed. The experimental results show that the direct unsymmetrical dimethylhydrazine fuel cell reaches a maximum power density of 129 mW.cm −2 at a current density of 234 mA.cm −2 , a limiting current density of about 420 mA.cm −2 , and an open circuit voltage of up to 1.37 V. The cell performance reaches a good state at a NaOH concentration of 2.0 M and 5.0 M in the low and high current density region, respectively. This study provides a new pathway to the reuse of highly concentrated unsymmetrical dimethylhydrazine waste fluid generated in military and space launch missions.
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影响因子：
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通讯作者：
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影响因子：
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