MOF-Derived Hierarchically Porous Carbon with Exceptional Porosity and Hydrogen Storage Capacity

被引:669
作者
Yang, Seung Jae [1 ,2 ]
Kim, Taehoon [1 ,2 ]
Im, Ji Hyuk [1 ,2 ]
Kim, Yern Seung [1 ,2 ]
Lee, Kunsil [1 ,2 ]
Jung, Haesol [1 ,2 ]
Park, Chong Rae [1 ,2 ]
机构
[1] Seoul Natl Univ, Res Inst Adv Mat, Global Res Lab, Carbon Nanomat Design Lab, Seoul 151744, South Korea
[2] Seoul Natl Univ, Dept Mat Sci & Engn, Seoul 151744, South Korea
基金
新加坡国家研究基金会;
关键词
hierarchical structures; hydrogen storage; metal-organic frameworks; nanoporous materials; structure-property relationships; METAL-ORGANIC FRAMEWORKS; HIGH-SURFACE-AREA; PORE-SIZE; ADSORPTION; NANOSTRUCTURES; MESOPOROSITY; SITES;
D O I
10.1021/cm202554j
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
Highly porous carbon has played an important role in tackling down the energy and environmental problems due to their attractive features such as high specific surface area (SSA), stability, and mass productivity. Especially, the desirable characteristics of the highly porous carbon such as lightweight, fast adsorption/desorption kinetics, and high SSA have attracted extensive attention in the "hydrogen storage" application which is a main bottleneck for the realization of on-board hydrogen fuel cell vehicles. We herein presented porous carbon with hierarchical pore structure derived from highly crystalline metal organic frameworks (denoted as MOF-derived carbon: MDC) without any carbon source and showed it as a promising hydrogen storage adsorbent. MDCs can be fabricated by a simple heat adjustment of MOFs without complicated process and environmental burden. The MDC displayed hierarchical pore structures with high ultramicroporosity, high SSA, and very high total pore volume. Due to its exceptional porosity, MDCs exhibited reversible H-2 storage capacities at certain conditions that were better than those of previously reported porous carbons and MOFs.
引用
收藏
页码:464 / 470
页数:7
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