Superior Dehydrogenation Performance of α‐AlH3 Catalyzed by Li3N: Realizing 8.0 wt.% Capacity at 100 °C
Source abstract
Abstract
Abstract The high dehydrogenation temperature of aluminum hydride (AlH3) has always been an obstacle to its application as a portable hydrogen source. To solve this problem, lithium nitride is introduced into the aluminum hydride system as a catalyst to optimize the dehydrogenation drastically, which reduces the initial dehydrogenation temperature from 140.0 to 66.8 °C, and provides a stable hydrogen capacity of 8.24, 6.18, and 5.75 wt.% at 100, 90, and 80 °C within 120 min by adjusting the mass fraction of lithium nitride. Approximately 8.0 wt.% hydrogen can be released within 15 min at 100 °C for the sample of 10 wt.% doping. Moderate dehydrogenation temperature slows down the inevitable self‐dehydrogenation process during the ball‐milling process, and the enhanced kinetics at lower temperature shows the possibility of application in the fuel cell.
Source: crossref · Quality: baseline
Research context
OpenAlex topics: Hydrogen Storage and Materials · Ammonia Synthesis and Nitrogen Reduction · Hybrid Renewable Energy Systems
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
State Key Laboratory of Rare Earth Resource Utilization Changchun Institute of Applied Chemistry Changchun 130022 China
School of Applied Chemistry and Engineering University of Science and Technology of China Hefei 230026 China
College of Chemistry and Chemical Engineering Henan Polytechnic University Jiaozuo 454000 China
Funding
National Key Research and Development Program of China · Jilin Scientific and Technological Development Program · Youth Innovation Promotion Association of the Chinese Academy of Sciences · Youth Innovation Promotion Association · State Key Laboratory of Rare Earth Resources Utilization · Key Technologies Research and Development Program
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