Kuranov V.V., Ustyugov A.V. Russian Federal Nuclear Center Academician Zababakhin Research Institute of Technical Physics (RFNC-VNIITF) New technologies for production of SOFC with support electrolyte of increased conductivity.

Brief results of ISTC Project #483 P,W 1. Applicability of nano-scale YSZ powder in SOFC has been demonstrated 2. Basic technologies of nano-scale YSZ powder production by chemical technique and by laser ablation, pulsed magnetic compaction and high-temperature synthesis 3. Performance of fuel cells fabricated with nano-scale YSZ powder was studied, power density up to 0.56 mW/cm sq. has been achieved.

Brief results of ISTC Project # Basic technologies for tubular solid electrolyte production by pulsed magnetic compaction for nano-scale YSZ powder and single SOFC with such electrolytes. 2. SOFC prototypes have been fabricated and their performance was tested 3. Power density 0.47 mW/cm sq. was achieved at single cell prototypes.

Brief results of ISTC Project #1231

Tasks of proposed project –Development of technology for production of support electrolyte as a tube with preset geometry by pulsed magnetic compaction technique. –Optimization of nano-scale YSZ powder production technology –Set of research activities in powder composition and synthesis mode optimization –SOFC fabrication from selected oxide compositions –Testing and performance study of SOFC

Expected results Project completion will allow :  Selection of optimum oxide composition for solid electrolyte and its synthesis modes;  Fabricate SOFC with specific power P>400 mW/cm 2 ;  Upgrade technology and equipment for electrolyte production in view of productivity rate increase;  Perform feasibility study of electrolyte production techniques in view of adaptation to trial production.

Project information Title: New technologies for SOFC production with support electrolyte of increased conductivity. Project manager: Andrey Ustygov, Head of group, Technology Diovision VNIITF Participating institutions : ac. E.I. Zababakhin RFNC- VNIITF, Snezhinsk, IEP UrB RAS, Yekaterinburg. Project duration: 24 months Labor effort: 430 man-months Project cost: $ 295,000