Kumiko Takagi

Title: Kumiko Takagi: Innovator in Battery Technology

Introduction

Kumiko Takagi is a prominent inventor based in Fukushima, Japan. She has made significant contributions to the field of battery technology, holding a total of 6 patents. Her innovative work focuses on improving energy density and battery characteristics, which are crucial for the advancement of energy storage solutions.

Latest Patents

Among her latest patents, Takagi has developed a battery that enhances energy density and improves characteristics such as cycle performance and high-temperature storage. This battery features a cathode and an anode arranged oppositely with a separator in between. The open circuit voltage in full charge ranges from 4.25 V to 6.00 V. The separator consists of a base material layer and a surface layer, with the surface layer made from materials like polyvinylidene fluoride, polytetrafluoroethylene, polypropylene, and aramid. Additionally, she has created an electrolytic solution and a battery that improve cycle characteristics. This innovation involves a separator impregnated with an electrolytic solution that includes a cyclic carbonate derivative with a halogen atom and a cyclic imide salt, which helps inhibit the decomposition reaction of the electrolytic solution.

Career Highlights

Kumiko Takagi has worked with notable companies such as Sony Corporation and Murata Manufacturing Co., Ltd. Her experience in these organizations has allowed her to refine her skills and contribute to groundbreaking advancements in battery technology.

Collaborations

Throughout her career, Takagi has collaborated with esteemed colleagues, including Akira Yamaguchi and Yuzuru Fukushima. These partnerships have fostered an environment of innovation and creativity in her work.

Conclusion

Kumiko Takagi's contributions to battery technology exemplify her dedication to innovation and excellence. Her patents reflect her commitment to enhancing energy storage solutions, making her a significant figure in the field.