Seiji Okada

Title: Seiji Okada: Innovator in Lithium Ion Polymer Technology

Introduction

Seiji Okada is a prominent inventor known for his contributions to the field of battery technology. He is based in Itami, Japan, and has made significant advancements in lithium ion polymer secondary cells. His innovative work has the potential to enhance the performance of batteries used in various applications.

Latest Patents

Okada holds a patent for a lithium ion polymer secondary cell. This invention features a porous element containing a fluoropolymer, primarily composed of vinylidene fluoride. The element has a density ranging from 0.55 to 1.30 g/cm³ and a Gurley value of not more than 150 sec/100 cc. This polymer substrate serves as a solid electrolyte placed between a positive and negative electrode. As a result, the solid electrolyte layer exhibits excellent ion conductivity, leading to an ion polymer secondary battery with significantly improved low-temperature characteristics, cycle characteristics, and high-rate discharge capabilities compared to conventional batteries.

Career Highlights

Seiji Okada is associated with Mitsubishi Cable Industries, Ltd., where he has been instrumental in developing advanced battery technologies. His work has contributed to the company's reputation as a leader in the field of electrical components and materials.

Collaborations

Okada has collaborated with notable colleagues, including Toshihiro Zushi and Itaru Gosho. These partnerships have fostered innovation and have been crucial in advancing their shared goals in battery technology.

Conclusion

Seiji Okada's contributions to lithium ion polymer technology exemplify the impact of innovative thinking in the field of energy storage. His patent reflects a significant step forward in battery performance, showcasing the potential for future advancements in this critical area.