A collection of papers presented on superconductivity at the symposium organized by the Materials Research Laboratories of the Industrial Technology Research Institute (ITRI), Taiwan, the publication discusses high-Tc superconductors, microstructural and electron-structural anomalies, superconductivity enhancement, superconductive energy storage, properties and the influence of ion irradiation, high Tc superconducting oxides, synthesis and characterization of high-Tc superconducting, preparation of oxide superconductors and other related topics.