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Conference Paper
5.5.2 Response/Recovery Behaviors of Solid Electrolyte CO2 Gas Sensors Depending on Reference Materials
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- Authors
- Hyung-Kun Lee, Nak-Jin Choi, Seung E Moon, Woo S Yang, Jongdae Kim
- Issue Date
- 2012-05
- Citation
- International Meeting on Chemical Sensors (IMCS) 2012, pp.493-496
- Language
- English
- Type
- Conference Paper
- Abstract
- Effects on response and recovery behaviors depending on reference materials such as lithium cobalt oxide (LiCoO 2 ) and lithium manganese oxide (LiMn 2 O 4 ) as well as lithium titanate (Li 2 TiO 3 ) were investigated by fabricating the sensor composed of those reference materials and a sensing material Li 2 CO 3 on a solid electrolyte Li 3 PO 4 . Selection of the reference materials was adopted from cathode materials in lithium ion battery field because of the similar working mechanism. The results showed that LiMn 2 O 4 and LiCoO 2 as the reference materials were effective in enhancing ΔEMFs/decade value and recovery time of the sensors compared to Li 2 TiO 3 , which might come from the facile lithiation of the reference materials, LiMn 2 O 4 and LiCoO 2 , resulting from their unique crystal structures.
- KSP Keywords
- Cathode materials, Ion batteries, LiCoO 2, Lithium Titanate, Lithium cobalt oxide, Lithium-ion batteries(LIBs), Recovery time, Reference material, Response and recovery, Sensing material, Solid electrolyte