Kenta Nagamine

Title: Kenta Nagamine: Innovator in Energy Storage Technology

Introduction

Kenta Nagamine is a prominent inventor based in Kyoto, Japan. He has made significant contributions to the field of energy storage technology, holding a total of four patents. His innovative work focuses on developing advanced energy storage devices and nonaqueous electrolyte secondary batteries.

Latest Patents

One of Kenta Nagamine's latest patents is an energy storage device that features an electrode assembly comprising a negative electrode and a positive electrode stacked with a separator in between. This device includes a nonaqueous electrolyte containing a nonaqueous solvent and is housed in a flat outer case. The electrode assembly is compressed within the outer case, ensuring that it is pressurized in the direction of the stack. The nonaqueous solvent used contains a fluorinated cyclic carbonate, and the electrolyte exhibits an electric conductivity of 0.75 S/m or more at 25° C.

Another notable patent is for a nonaqueous electrolyte secondary battery. This battery includes a positive electrode plate with a positive composite layer and a negative electrode plate with a negative composite layer. The negative composite layer consists of a facing portion that interacts with the positive composite layer and a non-facing portion. The area ratio of the non-facing portion to the combined area of both portions is 7% or more, and the nonaqueous electrolyte contains a fluorinated carbonate and a cyclic sulfone compound.

Career Highlights

Kenta Nagamine is currently employed at GS Yuasa International Ltd., a company known for its advancements in battery technology. His work at GS Yuasa has allowed him to focus on innovative solutions for energy storage, contributing to the company's reputation as a leader in the industry.

Collaborations

Kenta collaborates with talented coworkers, including Yudai Kawasoe and Keisuke Anami. Their combined expertise fosters a creative environment that drives innovation in energy storage solutions.

Conclusion

Kenta Nagamine is a key figure in the development of energy storage technologies, with a focus on nonaqueous electrolyte systems. His patents reflect a commitment to advancing the field and improving energy efficiency. His contributions are vital to the ongoing evolution of battery technology.