Chang J Lee

Title: Chang J Lee: Innovator in Conductive Polymers

Introduction

Chang J Lee is a prominent inventor based in Daejeon, South Korea. He has made significant contributions to the field of conductive materials, particularly through his innovative work on conductive polymeric composites. His research focuses on enhancing the electrical activation density of these materials, which has important applications in various technological fields.

Latest Patents

Chang J Lee holds a patent for a "Conductive polymeric composite with high electrical activation density." This invention involves a conductive polymeric composite that achieves improved electrical activation density by compounding a ferrocene derivative as a dopant with polypyrrole, a type of conductive polymer. The patent outlines methods for preparing this composite using either chemical or electrochemical techniques. The chemical method involves dissolving pyrrole or its derivative in a solution containing a ferrocene derivative, along with ferric trichloride, ammonium persulfate, and copper chloride-aluminum chloride. The electrochemical method utilizes a solution of pyrrole or its derivative combined with a ferrocene derivative as an electrolytic solution, potentially alongside an inorganic salt electrolyte. This composite exhibits superior conductivity and electrochemical activity due to the reversible oxidation-reduction reactions of the conductive polymer and the ferrocene.

Career Highlights

Chang J Lee is associated with the Agency of Defense Development, where he applies his expertise in materials science to advance innovative technologies. His work has been instrumental in developing materials that can enhance the performance of electronic devices and systems.

Collaborations

Chang J Lee has collaborated with notable colleagues, including Suh B Rhee and Myong H Lee. These partnerships have contributed to the advancement of research in conductive materials and their applications.

Conclusion

Chang J Lee is a key figure in the field of conductive polymers, with a focus on enhancing electrical activation density through innovative composite materials. His contributions are paving the way for advancements in various technological applications.