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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 1053High Performance LaCo0.6Ni0.4O3-δ Cathode Contact...

High Performance LaCo_0.6Ni_0.4O_3-_δ Cathode Contact Material for Intermediate Temperature Solid Oxide Fuel Cells

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Abstract:

LaCo_0.6Ni_0.4O_3-_δ (LCN) as cathode contact material (CCM) for application in solid oxide fuel cell (SOFC) is studied in this paper. LCN is prepared through the polymeric steric entrapment precursor route with polyvinyl alcohol (PVA) as the entrapment agent and then calcined at 800 °C and 1100 °C for 3 h respectively. Polished SUS430 pellets heated at 800 °C for 6 days as well as the untreated ones are used as interconnect. The assembly of LCN calcined at 800 °C with pretreated SUS430 at 800 °C for 6 days exhibit the best performance of a low and stable ASR value about 112 mΩ cm² at the end of the 200 h test. The calcination temperature and the pretreatment of interconnect are considered to be crucial factors affecting the ASR property of LCN CCM for application in stack.

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Periodical:

Advanced Materials Research (Volume 1053)

Pages:

30-36

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.1053.30

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Online since:

October 2014

Authors:

Dao Guang Li, Fang Zhong Wang*, Wen Ying Zhang, Jian Pu

Keywords:

Area Specific Resistance, Cathode Contact Material, LaCo_0.6Ni_0.4O_3-_δ, Polyvinyl Alcohol, Pretreatment

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© 2014 Trans Tech Publications Ltd. All Rights Reserved

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