Kathuyuki Negishi

Title: Kathuyuki Negishi: Innovator in Lithium Cobaltate Technology

Introduction

Kathuyuki Negishi is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of lithium secondary cells, particularly through his innovative work on lithium cobaltate based positive electrode-active materials. With a total of 2 patents, Negishi's inventions are paving the way for advancements in energy storage technology.

Latest Patents

Negishi's latest patents focus on lithium cobaltate based positive electrode-active materials for lithium secondary cells. The first patent describes a lithium cobaltate (LiCoO.sub.2) powder with particle properties of an n-value of at least 2.0 in Rosine-Rammler's distribution. This invention aims to provide a material that excels in discharge capacity and capacity holding rate, resulting in high energy density suitable for lithium secondary cells. The second patent also centers on lithium cobaltate (LiCoO.sub.2), specifically emphasizing a composition with 0.5% by weight or less of free cobalt oxide (Co.sub.3 0.sub.4). This innovation similarly aims to enhance discharge capacity and energy density for lithium secondary cells.

Career Highlights

Negishi is associated with Nippon Chemical Industrial Co., Ltd., where he continues to develop cutting-edge technologies in the field of energy storage. His work has garnered attention for its potential applications in various electronic devices and electric vehicles.

Collaborations

Negishi collaborates with fellow inventor Nobuyuki Yamazaki, contributing to the advancement of their shared research interests in lithium battery technology.

Conclusion

Kathuyuki Negishi's contributions to lithium cobaltate technology are significant, showcasing his innovative spirit and dedication to improving energy storage solutions. His patents reflect a commitment to enhancing the performance of lithium secondary cells, which is crucial for the future of energy technology.