Jae Goo Doh

Title: Jae Goo Doh: Innovator in Battery Separator Technology

Introduction

Jae Goo Doh is a prominent inventor based in Uiwang-si, South Korea. He has made significant contributions to the field of battery technology, particularly in the development of advanced separators. With a total of 5 patents to his name, his work is recognized for its innovative approaches and practical applications.

Latest Patents

Doh's latest patents include a separator featuring a coating layer and a battery that incorporates this technology. The first patent describes a separator that consists of a polyolefin base film and a coating layer. This coating layer contains inorganic particles with an average particle size ranging from about 1 nm to about 700 nm, along with an organic binder made of polyvinylidene fluoride homopolymer. The coating layer is designed to have a density between about 1.2 g/cm³ and about 2 g/cm³, and it can be applied to one or both sides of the base film.

Another notable patent involves a porous separator that includes a porous base film and a coating layer. This coating layer is applied to the surface of the porous base film and consists of a polyvinylidene fluoride homopolymer, a polyvinylidene fluoride-hexafluoropropylene copolymer, and inorganic particles. The separator is engineered to exhibit a thermal shrinkage of about 30% or less in both the machine direction and transverse direction when subjected to 150°C for one hour. Additionally, it demonstrates a peel strength of about 50 gf/cm or more between the coating layer and the base film, as well as an adhesive strength of about 20 gf/cm or more between the coating layer and the electrodes of a battery.

Career Highlights

Jae Goo Doh is currently employed at Cheil Industries Inc., where he continues to innovate in the field of battery technology. His work has positioned him as a key figure in the development of materials that enhance battery performance and safety.

Collaborations

Doh collaborates with several talented individuals in his field, including Ki Chul Hong and Jun Ho Chung. Their combined expertise contributes to the advancement of battery technologies and the successful implementation of innovative solutions.

Conclusion

Jae Goo Doh's contributions to battery separator technology highlight his role as a leading inventor in the industry.