Shigeo Kaneko

Title: Innovations by Shigeo Kaneko: Pioneering Microporous Films

Introduction

Shigeo Kaneko, an accomplished inventor based in Tokyo, Japan, has made significant contributions to material science, particularly in the field of microporous films. With three patents to his name, Kaneko's innovative work focuses on advancements that can greatly improve the efficiency and application of battery separators.

Latest Patents

Kaneko's most recent inventions include a microporous film specifically designed for use as a battery separator. This invention features a composition comprising 40 to 90 volume percent of polyolefin, which possesses a number average molecular weight of at least 15,000, and a weight average molecular weight of less than 300,000. Additionally, it incorporates 10 to 60 volume percent of inorganic filler, achieving a remarkable void space rate or porosity of 30 to 75 volume percent.

When designed for such applications, the microporous film boasts a significantly reduced electrical resistance, recording values as low as 0.0006 Ω.dm² per sheet. The film's unique characteristics allow for sufficient flexibility and mechanical strength, making it suitable for various applications, especially as a separator in batteries and electrolytic apparatuses.

The manufacturing process for this microporous film comprises multiple steps, including blending specific ratios of polyolefin, inorganic filler, and organic liquids, followed by molding and extraction processes to achieve the desired film structure.

Career Highlights

Shigeo Kaneko is associated with Asahi Kasei Kogyo Kabushiki Kaisha, a company renowned for its innovative materials and products in diverse fields. His work has significantly contributed to the advancement of battery technologies, which are critical in today's energy storage solutions.

Collaborations

Throughout his career, Kaneko has worked alongside esteemed colleagues, including Yoshinao Doi and Takeo Hanamura. Their collective expertise has bolstered advancements in material sciences and has helped in the development of cutting-edge technologies that cater to the evolving demands of industries worldwide.

Conclusion

With his focused research and innovation in microporous films, Shigeo Kaneko exemplifies the spirit of invention. His contributions not only advance battery technology but also pave the way for sustainable energy solutions and innovations in multiple fields. Kaneko's ongoing commitment to improving material properties continues to impact the industry and enhances the performance of essential technologies.