Katsuhiko Nagaya

Title: Innovations of Katsuhiko Nagaya in Battery Technology

Introduction

Katsuhiko Nagaya is a prominent inventor based in Toyota, Japan. He has made significant contributions to the field of battery technology, particularly in the development of all solid-state batteries. With a total of 4 patents to his name, Nagaya's work is paving the way for advancements in energy storage solutions.

Latest Patents

Nagaya's latest patents include a method for testing all solid-state batteries, a method for producing all solid-state batteries, and a production method for lithium-ion secondary batteries. The testing method allows for the detection of short circuits and defects with high accuracy by applying voltage to the battery and measuring the current value. This method involves increasing the resistance of the all-solid-state battery to 3.2*10^5 Ω·cm² or more, applying voltage, and judging the acceptability based on the measured current. The production method for lithium-ion batteries includes configuring an electrode group with a positive and negative electrode, storing them with an electrolytic solution, and performing charging and discharging processes to produce the battery.

Career Highlights

Katsuhiko Nagaya is currently employed at Toyota Jidosha Kabushiki Kaisha, where he continues to innovate in battery technology. His work is crucial in enhancing the performance and safety of modern batteries, which are essential for electric vehicles and renewable energy applications.

Collaborations

Some of Nagaya's notable coworkers include Shinobu Okayama and Masato Kamiya. Their collaborative efforts contribute to the innovative environment at Toyota, fostering advancements in battery technology.

Conclusion

Katsuhiko Nagaya's contributions to battery technology through his patents and work at Toyota highlight the importance of innovation in energy storage solutions. His methods for testing and producing batteries are set to influence the future of electric vehicles and energy systems.