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- Fan, Liangdong,1985-KTH,Energiteknik,Fuel cell (author)
High performance transition metal oxide composite cathode for low temperature solid oxide fuel cells
- Article/chapterEnglish2012
Publisher, publication year, extent ...
- Elsevier BV,2012
- printrdacarrier
Numbers
- LIBRIS-ID:oai:DiVA.org:kth-82154
- https://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-82154URI
- https://doi.org/10.1016/j.jpowsour.2011.12.017DOI
Supplementary language notes
- Language:English
- Summary in:English
Part of subdatabase
- SwePubSwePub
Classification
Notes
- QC 20120214
- Low temperature solid oxide fuel cells (SOFCs) with metal oxide composite cathode on the ceria–carbonate composite electrolyte have shown promising performance. However, the role of individual elements or compound is seldom investigated. We report here the effect of the ZnO on the physico-chemical and electrochemical properties of lithiated NiO cathode. The materials and single cells are characterized by X-ray diffraction, scanning electron microscopy, DC polarization electrical conductivity, electrochemical impedance spectroscopy and fuel cell performance. The ZnO modified lithiated NiO composite materials exhibit smaller particle size and lower electrical conductivity than lithiated NiO. However, improved electro-catalytic oxygen reduction activity and power output are achieved after the ZnO modification. A maximum power density of 808 mW cm−2 and the corresponding interfacial polarization resistance of 0.22 Ω cm2 are obtained at 550 °C using ZnO modified cathode and 300 μm thick composite electrolyte. The single cell keeps reasonable stability over 300 min at 500 °C. Thus, ZnO modified lithiated NiO is a promising cathode candidate for low temperature SOFCs.
Subject headings and genre
- TEKNIK OCH TEKNOLOGIER Materialteknik hsv//swe
- ENGINEERING AND TECHNOLOGY Materials Engineering hsv//eng
- Solid oxide fuel cells
- Ceria–carbonate electrolyte
- Transition metal oxide
- Impedance spectroscopy
- ZnO
- Lithiated NiO cathode
- SRA - Energy
- SRA - Energi
Added entries (persons, corporate bodies, meetings, titles ...)
- Zhu, BinKTH,Energiteknik,Fuel cell(Swepub:kth)u1ybbo7e (author)
- Chen, MingmingChemical engineering and technology,Carbon and battery (author)
- Wang, ChengyangChemical engineering and technology,Carbon and battery (author)
- Raza, RizwanKTH,Energiteknik,Fuel cell(Swepub:kth)u17rcwnu (author)
- Qin, HaiyingKTH,Energiteknik(Swepub:kth)u14dgb6b (author)
- Wang, XuetaoKTH,Energiteknik(Swepub:kth)u1s2307a (author)
- Wang, XiaodiKTH,Funktionella material, FNM(Swepub:kth)u1d9h33q (author)
- Ma, YingKTH,Funktionella material, FNM(Swepub:kth)u15gv6rg (author)
- KTHEnergiteknik (creator_code:org_t)
Related titles
- In:Journal of Power Sources: Elsevier BV203:1, s. 65-710378-77531873-2755
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