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http://dx.doi.org/10.7316/KHNES.2018.29.3.251

Investigation of Thermal Management Parameters of Metal Hydride Based Hydrogen Storage System  

PARK, CHU SIK (Hydrogen Laboratory, New & Renewable Energy Department, Korea Institute of Energy Research)
KIM, JONG WON (Hydrogen Laboratory, New & Renewable Energy Department, Korea Institute of Energy Research)
BAE, KI KWANG (Hydrogen Laboratory, New & Renewable Energy Department, Korea Institute of Energy Research)
JEONG, SEONG UK (Hydrogen Laboratory, New & Renewable Energy Department, Korea Institute of Energy Research)
KANG, KYOUNG SOO (Hydrogen Laboratory, New & Renewable Energy Department, Korea Institute of Energy Research)
Publication Information
Transactions of the Korean hydrogen and new energy society / v.29, no.3, 2018 , pp. 251-259 More about this Journal
Abstract
Metal hydride based hydrogen storage under moderate temperature and pressure gives the safety advantage over the gas and liquid storage methods. Still solid-state hydrogen storage including metal hydride is below the DOE target level for automotive applications, but it can be adapted to stationary or miliary application reasonably. In order to develop a modular solid state hydrogen storage system that can be applied to a distributed power supply system composed of renewable energy - water electrolysis - fuel cell, the heat transfer and hydrogen storage characteristics of the metal hydride necessary for the module system design were investigated using AB5 type metal hydride, LCN2 ($La_{0.9}Ce_{0.1}Ni_5$). The planetary high energy mill (PHEM) treatment of LCN2 confirmed the initial hydrogen storage activation and hydrogen storage capacity through surface modification of LCN2 material. Expanded natural graphite (ENG) addition to LCN2, and compression molding at 500 atm improved the thermal conductivity of the solid hydrogen storage material.
Keywords
Metal hydride; Energy storage; Hydrogen storage; Renewable energy; Heat conductivity;
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Times Cited By KSCI : 2  (Citation Analysis)
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