Minoru Fujimoto

Title: Minoru Fujimoto: Innovator in Lithium Secondary Battery Technology

Introduction

Minoru Fujimoto is a notable inventor based in Mihara, Japan. He is recognized for his contributions to battery technology, particularly in the development of lithium secondary batteries. His innovative approach has led to advancements that enhance the reliability and efficiency of these energy storage systems.

Latest Patents

Fujimoto holds a patent for a lithium secondary battery that features a unique composition. This battery includes a negative electrode with lithium as the active material and a positive electrode made from a boron-containing lithium-manganese composite oxide. The nonaqueous electrolyte consists of a solute and a solvent, with the boron-containing lithium-manganese composite oxide having a specific atomic ratio between B and Mn of 0.01 to 0.20. The solvent is a mixed solvent containing 5 to 50% by volume of butylene carbonate. This design ensures high reliability, as the positive electrode active material experiences minimal decomposition, resulting in low internal resistance even under high voltage charging conditions.

Career Highlights

Minoru Fujimoto is associated with Sanyo Electric Co., Ltd., where he has made significant contributions to the field of battery technology. His work has been instrumental in advancing the performance and safety of lithium secondary batteries, making them more viable for various applications.

Collaborations

Fujimoto has collaborated with notable colleagues, including Seiji Yoshimura and Yoshihiro Shoji. Their combined expertise has contributed to the successful development of innovative battery technologies.

Conclusion

Minoru Fujimoto's work in lithium secondary battery technology exemplifies the impact of innovation in energy storage solutions. His patented designs and collaborations have paved the way for more reliable and efficient batteries, showcasing the importance of research and development in this critical field.