Takeshi Kimijima

Title: The Innovations of Takeshi Kimijima

Introduction

Takeshi Kimijima is a notable inventor based in Nagano, Japan. He has made significant contributions to the field of battery technology, particularly in the development of advanced cathode materials for nonaqueous-electrolyte secondary batteries. His innovative work has led to the filing of a patent that enhances the performance of battery storage characteristics.

Latest Patents

Takeshi Kimijima holds a patent for a lithium nickel containing composite oxide and its manufacturing method. This invention focuses on a cathode active material that improves storage characteristics without compromising charging and discharging capacity. The process involves mixing lithium nickel containing composite oxide particles with a layered rock-salt type crystal structure, a lithium compound, and an alkali metal compound. The mixture is then calcined at temperatures ranging from 800°C to 1000°C, followed by washing to remove alkali metals other than lithium. The final product is a lithium nickel containing composite oxide with a specific peak intensity ratio, which is crucial for its performance in battery applications.

Career Highlights

Throughout his career, Takeshi Kimijima has worked with prominent organizations such as Sumitomo Metal Mining Company, Ltd. and Shinshu University. His experience in these institutions has allowed him to collaborate with other experts in the field and contribute to advancements in battery technology.

Collaborations

Some of Takeshi Kimijima's notable coworkers include Satoshi Kanada and Katsuya Teshima. Their collaborative efforts have furthered research and development in the area of battery materials.

Conclusion

Takeshi Kimijima's innovative work in battery technology exemplifies the importance of research and development in creating efficient energy storage solutions. His contributions continue to influence the field and pave the way for future advancements.