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Chemisorption solid materials for hydrogen storage near ambient temperature:A review

Frontiers in Energy 2023年第1期17卷 72-101页

作者： Yiheng ZHANG Shaofei WU Liwei WANG Xuefeng ZHANG Institute of Refrigeration and Gryogenic Key Laboratory of Power Machinery and Engineering of the Ministry of EducationShanghai Jiao Tong UniversityShanghai 200240China

Solid chemisorption technologies for hydrogen storage,especially high-efficiency hydrogen storage of fuel cells in near ambient temperature zone defined from−20 to 100℃,have a great application potential for realizing the global goal of carbon dioxide emission reduction and vision of carbon ***,there are several challenges to be solved at near ambient temperature,i.e.,unclear hydrogen storage mechanism,low sorption capacity,poor sorption kinetics,and complicated synthetic *** this review,the characteristics and modification methods of chemisorption hydrogen storage materials at near ambient temperature are *** interaction between hydrogen and materials is analyzed,including the microscopic,thermodynamic,and mechanical *** on the classification of hydrogen storage metals,the operation temperature zone and temperature shifting methods are discussed.A series of modification and reprocessing methods are summarized,including preparation,synthesis,simulation,and experimental ***,perspectives on advanced solid chemisorption materials promising for efficient and scalable hydrogen storage systems are provided.

关键词： hydrogen storage capacity chemisorption near-ambient-temperature modification methods alloy hydrides

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Effect of VFe addition on hydrogen storage behavior of TiMn_(1.5)-based alloys

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Journal of University of Science and Technology Beijing 2004年第3期11卷 263-267页

作者： Xuebin Yu Zhu Wu Baojia Xia Taizhong Huang Jinzhou Chen Naixin Xu Lab of Energy Science and Technology, Shanghai Institute of Microsystem and Information Technology, Chinese Academy of Sciences, Shanghai 200050, China Lab. of Energy Sci. and Technol. Shanghai Inst. of Microsystem Chinese Acad. of Sci. Shanghai 200050 China

The hydrogen absorption and desorption behavior of TiMn_(1.25)Cr_(0.25)alloys with VFe substitution for partial Mn was investigated at 273, 293 and 313 K. It is found thatVFe substitution increases their hydrogen storage capacity, decreases the plateau pressure and thehysteresis factor of their pressure-composition-temperature (PCT) curves. After annealing treatmentat 1223 K for 6 h, TiMn_(0.95)Cr_(0.25)(VFe)_(0.3) alloy exhibits a lower hydrogen desorptionplateau pressure (0.27 MPa at 313 K) and a smaller hysteresis factor (0.13 at 313 K); the maximumand effective hydrogen storage capacities (mass fraction) are 2.03% and 1.12% respectively, whichcan satisfy the demand of hydrogen storage tanks for proton exchange membrane fuel cells (PEMFC).

关键词： TiMn-based alloy hydrogen storage capacity hysteresis sloping factor PEMFC

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Heteroatom Doped Multi-Layered Graphene Material for hydrogen storage Application

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Graphene 2016年第2期5卷 39-50页

作者： Arjunan Ariharan Balasubramanian Viswanathan Vaiyapuri Nandhakumar National Centre for Catalysis Research Indian Institute of Technology Madras Chennai India PG & Research Department of Chemistry AVVM Sri Pushpam College Poondi Bharathidasan University Trichy India

A variety of distinctive techniques have been developed to produce graphene sheets and their functionalized subsidiaries or composites. The production of graphene sheets by oxidative exfoliation of graphite can be a suitable route for the preparation of high volumes of graphene derivatives. P-substituted graphene material is developed for its application in hydrogen sorption in room temperature. Phosphorous doped graphene material with multi-layers of graphene shows a nearly ~2.2 wt% hydrogen sorption capacity at 298 K and 100 bar. This value is higher than that for reduced graphene oxide (RGO without phosphorous).

关键词： hydrogen storage Carbon Materials Graphene Materials Heteroatom Doped Graphene Phosphorous Doped Graphene hydrogen storage capacity

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