Preface. 1. New routes in the development of chemical sensors: surface devices S. Pizzini. 2. Materials and concepts for solid state electrochemical devices W. Weppner. 3. Optical properties of transition-metal and rare earth ions in beta aluminas G. Mariotto. 4. Intercalation compounds M.S. Whittingham. 5. Polymer electrolytes and intercalation electrodes: fundamentals and applications P.G. Bruce. 6. Is there a future for lithium-batteries as high energy density source in electrical engine vehicles? Some recent trends C. Delmas, I. Saadoune, H. Auradou, M. Menetrier, P. Hagenmuller. 7. Ion mobility in chalcogenide semiconductors Room temperature creation of bipolar junction transistor D. Cahen, L. Chernyak, G. Dagan, A. Jakubowicz. 8. Mixed conductors for negative electrodes R.A. Huggins. 9. Surface oxygen exchange kinetics of solid oxide ion condutors B.A. Boukamp, I.C. Vinke, K.J. De Vries, A.J. Burggraaf. 10. Ionic conduction in sulphates A. Lunden. 11. Copper solid electrolyte-copper(I) halide and alkali halide systems O. Yamamoto. 12. Ionic conduction in glasses A. Magistris. 13. Chemical vapor deposition techniques for thin films of solid electrolytes and electrodes V.E.J. van Dieten, J.P. Dekker, A.A. van Zomeren, J. Schoonman. 14. Silver solid state energy storage devices B.B. Owens. 15. Bismuth-based oxide conductors novel structural and electrical features G. Mairesse. 16. Anisotropy in the ionic conductivity of K3NdSi3O8(OH)2 S.M. Hale, J. Maier, B.J. Wuensch, R.A. Laudise. 17. Peculiarities in the low temperature ion and electron conductivity of solid oxide eletrolytes H. Nafe. 18. Chemical analysis and structural investigations of sodium and lanthanide ion-exchanged beta-aluminas F. Tietz, W. Urland. 19. Electrical releaxation in polymer electrolytes I. Albinsson, B.-E. Mellander. 20. Quadrupole-broadened NMR-MAS spectra of disordered materials: acquisition and analysis P. Mustarelli. 21. Experimental working group report: What is the experimental status of solid state ionics (SSI)? R.J. Nowak, E. Zanghellini, H. Nafe, V. van Dieten. 22. Experimental working group report: What are the major contributions of solid state ionics to technology in the past and future? J.S. Lunsgaard, C. Arbizzani, M. Gina, T. Kawada, J. Lane. Final remarks W. van Gool.