Company Filing History:
Years Active: 2004-2006
Title: Yoshiaki Yamauchi: Innovator in Cathode Electroactive Materials
Introduction
Yoshiaki Yamauchi is a prominent inventor based in Nagano, Japan. He has made significant contributions to the field of lithium-ion batteries, particularly in the development of cathode electroactive materials. With a total of 3 patents to his name, his work is recognized for its innovative approach and practical applications.
Latest Patents
Yamauchi's latest patents focus on a cathode electroactive material designed for use in lithium-ion secondary cells. The material predominantly comprises Li-Mn composite oxide particles with a spinel structure. The electroactive material features an average porosity of 15% or less, calculated using a specific equation that considers the total cross-section area of pores and the cross-section area of one secondary particle. Additionally, it boasts a tapping density of 1.9 g/ml or more, crystallite sizes ranging from 400 Å to 960 Å, and a lattice constant of 8.240 Å or less. This innovative material is characterized by dense, spherical particles that exhibit excellent packing characteristics in electrodes, along with high initial capacity and capacity retention at elevated temperatures.
Career Highlights
Yoshiaki Yamauchi is currently associated with Showa Denko K.K., where he continues to advance his research in electroactive materials. His work has been instrumental in enhancing the performance and efficiency of lithium-ion batteries, which are crucial for various applications in modern technology.
Collaborations
Yamauchi has collaborated with notable colleagues, including Takao Noda and Akihiko Shirakawa. These partnerships have fostered a collaborative environment that encourages innovation and the sharing of ideas in the field of battery technology.
Conclusion
Yoshiaki Yamauchi's contributions to the development of cathode electroactive materials have positioned him as a key figure in the field of lithium-ion battery technology. His innovative patents and collaborative efforts continue to influence advancements in energy storage solutions.