Akira Kojima

Title: Akira Kojima: Innovator in Lithium-Ion Battery Technology

Introduction

Akira Kojima is a prominent inventor based in Kariya, Japan, known for his significant contributions to lithium-ion battery technology. With a total of eight patents to his name, Kojima has focused on enhancing the safety and efficiency of lithium-ion batteries, which are crucial for various applications, including electric vehicles and portable electronics.

Latest Patents

Kojima's latest patents include innovative designs aimed at improving the thermal stability of lithium-ion batteries. One notable patent describes a lithium-ion secondary battery that features a positive electrode with a thermal run-away suppressing layer. This design is intended to prevent thermal run-away during internal short circuits, enhancing the safety of the battery. The positive electrode comprises a current collector and a lithium-containing complex oxide, while the thermal run-away suppressing layer is made from lithium transition metal silicate. Another patent focuses on a lithium-ion secondary battery that includes a positive electrode active material composite of lithium silicate-based material and carbon, along with a silicon-containing negative electrode. This design optimizes the irreversible capacities of both electrodes, ensuring better performance.

Career Highlights

Throughout his career, Akira Kojima has worked with esteemed organizations, including the National Institute of Advanced Industrial Science and Technology and Toyota Jidoshokki. His work has significantly impacted the development of safer and more efficient battery technologies, making him a key figure in the field.

Collaborations

Kojima has collaborated with notable colleagues, including Tetsuo Sakai and Toshikatsu Kojima. These partnerships have fostered innovation and advancements in battery technology, contributing to the overall progress in the industry.

Conclusion

Akira Kojima's contributions to lithium-ion battery technology have established him as a leading inventor in the field. His innovative patents and collaborations continue to influence the development of safer and more efficient energy storage solutions.