In situ thermodiffraction to monitor synthesis and thermolysis of hydrazine borane-based materials
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- 作者：Romain Mourya ; 1 ; Koen Robeynsb ; Yaroslav Filinchukb ; Philippe Mielea ; Umit B. Demircia ; umit.demirci@umontpellier.fr" class="auth_mail" title="E-mail the corresponding author
- 关键词：Hydrazine borane ; Hydrogen storage materials ; In situ X-ray diffraction ; Lithium hydrazinidoborane ; Sodium hydrazinidoborane
- 刊名：Journal of Alloys and Compounds
- 出版年：2016
- 出版时间：25 February 2016
- 年：2016
- 卷：659
- 期：Complete
- 页码：210-216
- 全文大小：1116 K
文摘
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In situ thermodiffraction was used to study N2H4BH3, NaN2H3BH3 and LiN2H3BH3.
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Thermolytic dehydrogenation of N2H4BH3 starts with the liquid phase.
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Dehydrocoupling of N2H4BH3 involves a crystalline intermediate at 90–197 °C.
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NaN2H3BH3 forms from −38 °C, melts at ∼60 °C, and decomposes at >60 °C.
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The 2 polymorphs of LiN2H3BH3 dehydrogenate according to a complex mechanism.