A Study on Hydrogen Production with High Temperature Solar Heat Thermochemical Cycle by Heat Recovery

Ji-Hyun Cho; Tae-Beom Seo

doi:10.7836/kses.2017.37.2.013

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2017 Vol.37, Issue 2 Preview Page Next Page

A Study on Hydrogen Production with High Temperature Solar Heat Thermochemical Cycle by Heat Recovery 열회수에 따른 고온 태양열 열화학 싸이클의 수소 생산에 관한 연구

April 2017. pp. 13-22

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Abstract

Two-step water splitting thermochemical cycle with CeO₂/ZrO₂ foam device was investigated by using a solar simulator composed of 2.5 kW Xe-Arc lamp and mirror reflector. The hydrogen production of CeO₂/ZrO₂ foam device depending on heat recovery of Thermal-Reduction step and Water-Decomposition step was analyzed, and the hydrogen production of CeO₂/ZrO₂ and NiFe₂O₄/ZrO₂ foam devices was compared. Resultantly, the quantity of hydrogen generation increased by 52.02% when the carrier gas of Thermal-Reduction step is preheated to 200°C and, when the N₂/steam is preheated to 200°C in the Water-Decomposition step, the quantity of hydrogen generation increased by 35.85%. Therefore, it is important to retrieve the heat from the highly heated gases discharged from each of the reaction spaces in order to increase the reaction temperature of each of the stages and thereby increasing the quantity of hydrogen generated through this.

Keywords

Dish type solar thermal system

Twostep water splitting

Hydrogen production

Solar simulator

Heat recovery

키워드

접시형 태양열 집열 시스템

2단계 물분해

수소생산

인공 태양 모사장치

열회수

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Information

Publisher :Korean Solar Energy Society
Publisher(Ko) :한국태양에너지학회
Journal Title :Journal of the Korean Solar Energy Society
Journal Title(Ko) :한국태양에너지학회 논문집
Volume : 37
No :2
Pages :13-22
Received Date : 2017-01-11
Revised Date : 2017-04-24
Accepted Date : 2017-04-24
DOI :https://doi.org/10.7836/kses.2017.37.2.013

Journal of the Korean Solar Energy Society ISSN:1598-6411(Print) 2508-3562(Online) 한국태양에너지학회 논문집

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