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New technologies for production of SOFC with support electrolyte of increased conductivity .

New technologies for production of SOFC with support electrolyte of increased conductivity. Kuranov V.V., Ustyugov A.V. Russian Federal Nuclear Center Academician Zababakhin Research Institute of Technical Physics ( RFNC-VNIITF ). Brief results of ISTC Project #483.

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New technologies for production of SOFC with support electrolyte of increased conductivity .

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

  2. Brief results of ISTC Project #483 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. P,W

  3. Brief results of ISTC Project #1231 1. 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.

  4. Brief results of ISTC Project #1231

  5. 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

  6. 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/cm2; • 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.

  7. 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

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