Scale‐up of Solid Oxide Fuel Cells with Magnetron Sputtered Electrolyte | Zendy

Solovyev A. A. | Zendy; Lebedynskiy A. M. | Zendy; Shipilova A. V. | Zendy; Ionov I. V. | Zendy; Smolyanskiy E. A. | Zendy; Lauk A. L. | Zendy; Remnev G. E. | Zendy; Maslov A. S. | Zendy

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Scale‐up of Solid Oxide Fuel Cells with Magnetron Sputtered Electrolyte

Author(s) -

Solovyev A. A.,

Lebedynskiy A. M.,

Shipilova A. V.,

Ionov I. V.,

Smolyanskiy E. A.,

Lauk A. L.,

Remnev G. E.,

Maslov A. S.

Publication year - 2017

Publication title -

fuel cells

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.485

H-Index - 69

eISSN - 1615-6854

pISSN - 1615-6846

DOI - 10.1002/fuce.201600227

Subject(s) - materials science , anode , electrolyte , yttria stabilized zirconia , solid oxide fuel cell , cathode , sputter deposition , microstructure , power density , chemical engineering , oxide , non blocking i/o , physical vapor deposition , analytical chemistry (journal) , thin film , cubic zirconia , sputtering , nanotechnology , composite material , metallurgy , electrode , chemistry , ceramic , engineering , power (physics) , biochemistry , chromatography , quantum mechanics , catalysis , physics

The possibility of fabricating large‐area solid oxide fuel cells (SOFC) with thin film electrolyte using a commercial physical vapor deposition technology is investigated. Yttria‐stabilized zirconia (YSZ)/gadolinium‐doped ceria (GDC) bilayer electrolyte is successfully deposited on a 10 × 5 cm 2 commercial NiO/YSZ anode support by reactive magnetron sputtering. The microstructure of the fuel cells was studied by scanning electron microscopy. Current‐voltage characteristics of fuel cells at a temperature of 750°C and their power stability under electrical load were investigated. Single cells with La 0.6 Sr 0.4 Co 0.2 Fe 0.8 O 3 / Gd 0.1 Ce 0.9 O 1.95 (LSCF/GDC) cathode had an open cell voltage of 1.14 V and a maximum power density of 490 mW cm −2 at 750 °C using H 2 /N 2 gas mixture as fuel and air as the oxidant. Three‐cell planar SOFC stack using 10 × 5 cm 2 anode‐supported unit cells with power density of 450 mW cm −2 at a voltage of 0.7 V per cell has been assembled and tested.

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