Back to Search
Start Over
TiO2 protective coating processed by Atomic Layer Deposition for the improvement of MCFC cathode.
- Source :
-
International Journal of Hydrogen Energy . Oct2013, Vol. 38 Issue 30, p13443-13452. 10p. - Publication Year :
- 2013
-
Abstract
- Abstract: One of the main issues for optimizing the molten carbonate fuel cell (MCFC) is the control of the corrosion and dissolution of the state-of-the-art porous nickel oxide cathode. A protective coating constituted by more stable oxides seems to be the best solution. In this paper, very thin layers of TiO2 (50 and 300 nm) are processed by a sequential CVD technique, Atomic Layer Deposition (ALD), which produces high quality, homogeneous and conformal layers. Structural, morphological and electrochemical behaviors of TiO2-coated samples are tested in a Li2CO3–K2CO3 (62:38 mol%) eutectic melt under a standard cathode atmosphere: CO2/air (70:30 bar%). Ni solubility is determined by ICP-AES. The protective role of TiO2 layers and the consequent decrease in Ni solubility have been clearly evidenced. [Copyright &y& Elsevier]
Details
- Language :
- English
- ISSN :
- 03603199
- Volume :
- 38
- Issue :
- 30
- Database :
- Academic Search Index
- Journal :
- International Journal of Hydrogen Energy
- Publication Type :
- Academic Journal
- Accession number :
- 90302968
- Full Text :
- https://doi.org/10.1016/j.ijhydene.2013.07.083