Yuuji Nakagawa

Title: Yuuji Nakagawa: Innovator in Battery Technology

Introduction

Yuuji Nakagawa is a prominent inventor based in Tokyo, Japan, known for his significant contributions to the field of battery technology. With a total of six patents to his name, Nakagawa has focused on developing advanced secondary batteries and capacitors that utilize innovative materials and designs.

Latest Patents

Among his latest patents, Nakagawa has developed a secondary battery and capacitor utilizing indole compounds. This invention provides excellent high rate and cycle characteristics, along with sufficient electromotive force and capacity. The active material of the electrode comprises a trimer compound made up of three units of indole or indole derivatives in a condensed ring form. The design allows for a proton to be utilized as a charge carrier of the trimer compound. Another notable patent is a secondary battery of a proton conductive polymer. In this design, a positive electrode and a negative electrode are arranged facing each other via a separator in an electrolytic solution. The battery uses a membrane that has acid resistance, oxidation resistance, and a functional group with cation exchange function as the separator.

Career Highlights

Yuuji Nakagawa has worked with notable companies such as NEC Tokin Corporation and Techno Polymer Company Limited. His experience in these organizations has contributed to his expertise in developing cutting-edge battery technologies.

Collaborations

Throughout his career, Nakagawa has collaborated with talented individuals, including Toshihiko Nishiyama and Gaku Harada. These collaborations have fostered innovation and advancement in his projects.

Conclusion

Yuuji Nakagawa's work in battery technology showcases his commitment to innovation and excellence. His patents reflect a deep understanding of materials and their applications in energy storage solutions. His contributions continue to influence the field and pave the way for future advancements.