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- Fu, Q. X. (author)
Intermediate temperature fuel cells based on doped ceria-LiCl-SrCl2 composite electrolyte
- Article/chapterEnglish2002
Publisher, publication year, extent ...
- 2002
- printrdacarrier
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- LIBRIS-ID:oai:DiVA.org:kth-21280
- https://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-21280URI
- https://doi.org/10.1016/S0378-7753(01)00874-6DOI
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- Language:English
- Summary in:English
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- QC 20100525
- A new type of oxide-salt composite electrolyte, gadolinium-doped ceria (GDC)-LiCl-SrCl2, was developed and demonstrated its promising use for intermediate temperature (400-700 degreesC) fuel cells (ITFCs). The dc electrical conductivity of this composite electrolyte (0.09-0.13 S cm(-1) at 500-650 degreesC) was 3-10 times higher than that of the pure GDC electrolyte, indicating remarkable proton or oxygen ion conduction existing in the LiCl-SrCl2 chloride salts or at the interface between GDC and the chloride salts. Using this composite electrolyte, peak power densities of 260 and 510 mW cm(-2), with current densities of 650 and 1250 mA cm(-2) were achieved at 550 and 625 degreesC, respectively. This makes the new material a good candidate electrolyte for future low-cost ITFCs.
Subject headings and genre
- GDC-LiCl-SrCl2
- composite electrolyte
- intermediate temperature fuel cells
- electrical conductivity
- solid electrolytes
- conduction
- proton
- operation
- li2so4
- nacl
Added entries (persons, corporate bodies, meetings, titles ...)
- Zha, S. W. (author)
- Zhang, W. (author)
- Peng, D. K. (author)
- Meng, G. Y. (author)
- Zhu, BinKTH,Kemiteknik(Swepub:kth)u1ybbo7e (author)
- KTHKemiteknik (creator_code:org_t)
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- In:Journal of Power Sources104:1, s. 73-780378-77531873-2755
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