Miwa Katayama

Title: Miwa Katayama: Innovator in Lithium-Ion Battery Technology

Introduction

Miwa Katayama is a prominent inventor based in Hiroshima, Japan. She has made significant contributions to the field of battery technology, particularly in the development of materials for lithium-ion batteries. Her innovative work has led to the creation of a patented graphite material that enhances battery performance.

Latest Patents

Miwa Katayama holds a patent for a graphite material designed for the negative electrode of lithium-ion secondary batteries. The patent details a method of manufacturing this graphite material, which includes specific parameters for the ratio of expansion of graphene sheets and crystallite size. The defined ratio Lc(112)/Lc(006) ranges from 0.08 to 0.11, while the crystallite size Lc(006) is calculated to be between 30 nm and 40 nm. Additionally, the average particle size of the graphite material ranges from 3 µm to 20 µm.

Career Highlights

Katayama is associated with Mt Carbon Co., Ltd., where she continues to advance her research and development efforts. Her work focuses on improving the efficiency and longevity of lithium-ion batteries, which are crucial for various applications, including electric vehicles and portable electronics.

Collaborations

Some of her notable coworkers include Yohei Yagishita and Kohei Yamaguchi, who contribute to her research initiatives and collaborative projects within the company.

Conclusion

Miwa Katayama's innovative contributions to lithium-ion battery technology exemplify her commitment to advancing energy storage solutions. Her patented work on graphite materials is a testament to her expertise and impact in the field.