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Cho, Jaephil
Nano Energy Storage Material Lab.
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Efficient CO2 Utilization via a Hybrid Na-CO2 System Based on CO2 Dissolution

Author(s)
Kim, ChangminKim, JeongwonJoo, SangwookBu, YunfeiLiu, MeilinCho, JaephilKim, Guntae
Issued Date
2018-11
DOI
10.1016/j.isci.2018.10.027
URI
https://scholarworks.unist.ac.kr/handle/201301/25567
Fulltext
https://www.sciencedirect.com/science/article/pii/S258900421830186X?via%3Dihub
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.
Publisher
CELL PRESS
ISSN
2589-0042
Keyword (Author)
OXYGENPEROVSKITECATALYSTOXIDETEMPERATUREELECTRODESCONVERSIONBATTERIESGRAPHENECAPTURE

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