Atsushi Hatakeyama

Title: Innovations by Atsushi Hatakeyama in Non-Aqueous Electrolyte Secondary Batteries

Introduction

Atsushi Hatakeyama is a prominent inventor based in Kyoto, Japan. He is known for his significant contributions to the field of battery technology, particularly in the development of non-aqueous electrolyte secondary batteries. His innovative work has led to advancements that enhance the reliability and productivity of these energy storage systems.

Latest Patents

Atsushi Hatakeyama holds a patent for a non-aqueous electrolyte secondary battery, along with a method for manufacturing the same and a system that incorporates this battery. The patent describes a non-aqueous electrolyte secondary battery that includes a positive electrode, a negative electrode, a separator, and a non-aqueous electrolyte. The positive electrode features a mixture layer that utilizes a lithium-containing composite oxide as the active material. In its charged state, the negative electrode comprises an aluminum foil or an aluminum alloy foil, along with a Li—Al alloy formed through the reaction with lithium ions deintercalated from the positive electrode. The Li—Al alloy is characterized by a lithium content ranging from 7 to 29 atomic percent relative to the total of lithium and aluminum at the end of charge. This innovation is crucial for improving battery performance and efficiency.

Career Highlights

Atsushi Hatakeyama is associated with Maxell, Ltd., a company renowned for its advancements in battery technology and electronic products. His work at Maxell has positioned him as a key figure in the development of cutting-edge battery solutions.

Collaborations

Atsushi has collaborated with notable colleagues, including Haruki Kamizori and Akira Yamashita. Their combined expertise has contributed to the successful development of innovative battery technologies.

Conclusion

Atsushi Hatakeyama's contributions to the field of non-aqueous electrolyte secondary batteries exemplify the importance of innovation in energy storage solutions. His patent and collaborative efforts continue to influence advancements in battery technology, paving the way for more efficient and reliable energy systems.