Kouji Hataya

Title: Innovations by Kouji Hataya in Lithium-Ion Battery Technology

Introduction

Kouji Hataya is a notable inventor based in Tokyo, Japan. He has made significant contributions to the field of battery technology, particularly in the development of lithium-ion secondary batteries. His innovative work focuses on enhancing the performance and longevity of these batteries, which are essential for various modern applications.

Latest Patents

Kouji Hataya holds a patent for a lithium-ion secondary battery, which includes an electrode for the secondary battery and an electrolytic copper foil for the electrode. The patent aims to provide an electrolytic copper foil for a negative electrode that enables the production of long-life lithium-ion batteries. These batteries maintain their capacity retention ratio even after repeated charge-discharge cycles. The electrolytic copper foil is designed to withstand heat treatment at temperatures ranging from 200 to 400°C, achieving a 0.2% proof stress of 250 N/mm or more and an elongation of 2.5% or more. Additionally, the surface of the copper foil is rust-proofed or roughened and rust-proofed to enhance its performance.

Career Highlights

Kouji Hataya is associated with The Furukawa Electric Co., Ltd., where he continues to innovate in the field of battery technology. His work has been instrumental in advancing the capabilities of lithium-ion batteries, making them more reliable and efficient for consumer and industrial use.

Collaborations

Kouji has collaborated with notable colleagues, including Kensaku Shinozaki and Akitoshi Suzuki. Their combined expertise has contributed to the successful development of advanced battery technologies.

Conclusion

Kouji Hataya's contributions to lithium-ion battery technology exemplify the importance of innovation in the energy sector. His patented advancements are paving the way for more efficient and durable battery solutions.