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Kim, Guntae
GUNS Lab
Research Interests
  • Solid Oxide Fuel Cells (SOFCs)& SOE, PEMFC, metal-air batteries, Metal-CO2 system

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Efficient CO2 Utilization via a Hybrid Na-CO2 System Based on CO2 Dissolution

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Title
Efficient CO2 Utilization via a Hybrid Na-CO2 System Based on CO2 Dissolution
Author
Kim, ChangminKim, JeongwonJoo, SangwookBu, YunfeiLiu, MeilinCho, JaephilKim, Guntae
Issue Date
2018-11
Publisher
CELL PRESS
Citation
ISCIENCE, v.9, pp.278
Abstract
Carbon capture, utilization, and sequestration technologies have been extensively studied to utilize carbon dioxide (CO2), a greenhouse gas, as a resource. So far, however, effective technologies have not been proposed owing to the low efficiency conversion rate and high energy requirements. Here, we present a hybrid Na-CO2 cell that can continuously produce electrical energy and hydrogen through efficient CO2 conversion with stable operation for over 1,000 hr from spontaneous CO2 dissolution in aqueous solution. In addition, this system has the advantage of not regenerating CO2 during charging process, unlike aprotic metal-CO2 cells. This system could serve as a novel CO2 utilization technology and high-value-added electrical energy and hydrogen production device.
URI
https://scholarworks.unist.ac.kr/handle/201301/25567
URL
https://www.sciencedirect.com/science/article/pii/S258900421830186X?via%3Dihub
DOI
10.1016/j.isci.2018.10.027
ISSN
2589-0042
Appears in Collections:
ECHE_Journal Papers
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