Calorimetric Evaluation of Thermal Stability of Organic Liquid Hydrogen Storage Materials and Metal Oxide Additives

Lin-Jie Xie, Jun-Cheng Jiang, An-Chi Huang, Yan Tang, Ye-Cheng Liu, Hai-Lin Zhou and Zhi-Xiang Xing
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Lin-Jie Xie: School of Environmental and Safety Engineering, Changzhou University, Changzhou 213164, China
Jun-Cheng Jiang: School of Environmental and Safety Engineering, Changzhou University, Changzhou 213164, China
An-Chi Huang: School of Environmental and Safety Engineering, Changzhou University, Changzhou 213164, China
Yan Tang: School of Environmental and Safety Engineering, Changzhou University, Changzhou 213164, China
Ye-Cheng Liu: School of Materials Science and Engineering, Changzhou University, Changzhou 213164, China
Hai-Lin Zhou: School of Materials Science and Engineering, Changzhou University, Changzhou 213164, China
Zhi-Xiang Xing: School of Environmental and Safety Engineering, Changzhou University, Changzhou 213164, China

Energies, 2022, vol. 15, issue 6, 1-13

Abstract: The effects of two different metal oxide catalysts, SnO and Li 2 O, on the dehydrogenation temperature of Carbazole and N-Ethylcarbazole (NE), respectively, were investigated by the Thermogravimetric analyzer and Differential Scanning Calorimetry. Thermogravimetric experiments were performed with 10wt% SnO and Li 2 O added to Carbazole and N-Ethylcarbazole, respectively, and compared to pure Carbazole and N-Ethylcarbazole. The results showed that the dehydrogenation temperature of N-Ethylcarbazole was lower than that of Carbazole, and the dehydrogenation temperature of N-Ethylcarbazole +SnO was the lowest, and SnO is an ideal dehydrogenation catalyst for N-Ethylcarbazole. Experiments using Differential Scanning Calorimetry and a Thermogravimetric analyzer showed that with the addition of catalyst, the activation energy of the mixture was more significant and stable, and the thermal hazard was reduced, whereas the relative dehydrogenation temperature was increased. This study provides important information for improving the design of dehydrogenation catalysts for organic liquid hydrogen storage processes.

Keywords: organic liquid hydrogen storage; thermal decomposition; metal oxide catalyst; N-Ethylcarbazole (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2022
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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