Tatsuya Aoki

Title: Innovations by Tatsuya Aoki: Advancements in Lithium Ion Batteries and Tantalum Recovery

Introduction

Tatsuya Aoki, an accomplished inventor based in Ageo, Japan, has made significant contributions to the fields of battery technology and materials recycling. With three patents to his name, Aoki's work reflects a commitment to innovation and sustainability in the modern technological landscape.

Latest Patents

One of Aoki's most notable inventions is a sulfide-based solid electrolyte for lithium ion cells. This invention involves solid electrolyte compounds that feature a cubic argyrodite-type crystal structure. The technology aims to suppress hydrogen sulfide generation when exposed to air while maintaining high conductivity even in low moisture environments. Specifically, the compound represented by the formula (1): LiPSCl, is designed with particular constraints on the values of x and y to optimize performance.

Aoki's second significant patent involves a tantalum recovery method that effectively decreases the copper and tungsten content in tantalum-containing wastes while recovering high-purity tantalum. This method includes an acid treatment in an oxidizing atmosphere followed by roasting and alkali treatments. Furthermore, it introduces a magnetic separation step prior to the acid treatment, making it particularly effective for recovering tantalum from laminated waste materials, such as discarded printed wiring boards.

Career Highlights

Tatsuya Aoki works at Mitsui Mining & Smelting Company, Ltd., a notable player in resource extraction and material manufacturing. His innovations are vital for enhancing battery performance and promoting environmental sustainability through efficient resource recovery.

Collaborations

Throughout his career, Aoki has collaborated with several professionals, including Kenji Matsuzaki and Norihiko Miyashita. These partnerships have fostered a creative environment where groundbreaking ideas can flourish and lead to practical applications in both battery technology and material recycling.

Conclusion

Tatsuya Aoki's inventive spirit continues to shape advancements in lithium ion batteries and tantalum recovery techniques. His dedication to innovation not only enhances technology's efficiency but also promotes responsible resource management, showcasing the vital role of inventors in addressing contemporary challenges.