Kuranov V.V., Ustyugov A.V.Kuranov V.V., Ustyugov A.V.

Russian Federal Nuclear Center Russian Federal Nuclear Center Academician Zababakhin Research Academician Zababakhin Research

Institute of Technical Physics Institute of Technical Physics ((RFNC-VNIITFRFNC-VNIITF))

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

conductivityconductivity..

Brief results of ISTC Project #483

P,W

1. Applicability of nano-scale YSZ powder in SOFC has been 1. Applicability of nano-scale YSZ powder in SOFC has been demonstrateddemonstrated

2. Basic technologies of nano-scale YSZ powder production by 2. Basic technologies of nano-scale YSZ powder production by chemical technique and by laser ablation, pulsed magnetic chemical technique and by laser ablation, pulsed magnetic compaction and high-temperature synthesiscompaction and high-temperature synthesis

3. Performance of fuel cells fabricated with nano-scale YSZ 3. Performance of fuel cells fabricated with nano-scale YSZ powder was studied, power density up to 0.56 mW/cm sq. has powder was studied, power density up to 0.56 mW/cm sq. has been achieved. been achieved.

Brief results of ISTC Project #1231

1. 1. Basic technologies for tubular solid electrolyte Basic technologies for tubular solid electrolyte production by pulsed magnetic compaction for nano-scale production by pulsed magnetic compaction for nano-scale YSZ powder and single SOFC with such electrolytes.YSZ powder and single SOFC with such electrolytes.

2. SOFC prototypes have been fabricated and their 2. SOFC prototypes have been fabricated and their performance was testedperformance was tested

3. Power density 0.47 mW/cm sq. was achieved at single cell 3. Power density 0.47 mW/cm sq. was achieved at single cell prototypes.prototypes.

Brief results of ISTC Project #1231

Tasks of proposed project

– Development of technology for production of support Development of technology for production of support electrolyte as a tube with preset geometry by pulsed electrolyte as a tube with preset geometry by pulsed magnetic compaction technique.magnetic compaction technique.

– Optimization of nano-scale YSZ powder production Optimization of nano-scale YSZ powder production technologytechnology

– Set of research activities in powder composition and Set of research activities in powder composition and synthesis mode optimizationsynthesis mode optimization

– SOFC fabrication from selected oxide compositionsSOFC fabrication from selected oxide compositions

– Testing and performance study of SOFCTesting and performance study of SOFC

Expected results

Project completion will allow :Project completion will allow : Selection of optimum oxide composition for solid Selection of optimum oxide composition for solid electrolyte and its synthesis modes;electrolyte and its synthesis modes; Fabricate SOFC with specific power Fabricate SOFC with specific power P>400 mW/cmP>400 mW/cm22;;Upgrade technology and equipment for electrolyte Upgrade technology and equipment for electrolyte production in view of productivity rate increase;production in view of productivity rate increase;Perform feasibility study of electrolyte production Perform feasibility study of electrolyte production techniques in view of adaptation to trial production.techniques in view of adaptation to trial production.

Project information

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