Ok Sun Kim

Title: Innovator Spotlight: Ok Sun Kim

Introduction

Ok Sun Kim is a renowned inventor based in Daejeon, South Korea. He is known for his significant contributions to the field of secondary battery technology. With a total of six patents to his name, Kim’s innovations have focused on improving the performance and safety of battery materials.

Latest Patents

Among his latest patents, Kim has developed a binder for secondary battery electrodes that exhibits excellent adhesion force. This invention involves polymer particles created by polymerizing three or more types of monomers, resulting in a mean particle diameter ranging from 0.3 µm to 0.7 µm. The binder demonstrates superior adhesion force to electrode current collectors and provides enhanced support to the active material, ultimately leading to improved safety and cycle characteristics for secondary batteries.

Additionally, he has patented a binder that provides excellent cycle properties for secondary battery electrodes. This binder comprises a gel made from polymer particles obtained through copolymerization of three or more monomers, with a gel content ranging from 50% to 100% by weight. The swelling index of this binder in relation to an electrolyte is between 1.1 and 5.0, thereby enhancing electrode stability and increasing ionic conductivity, contributing to superior cycle properties in secondary batteries.

Career Highlights

Ok Sun Kim is currently associated with LG Chem, a leading chemical and battery manufacturer. His work in innovative binder technologies has positioned him as a pivotal figure in the advancement of secondary battery performance. His efforts are crucial in response to the increasing demand for efficient and safe energy storage solutions.

Collaborations

Throughout his career, Kim has collaborated with talented professionals, including MinAh Kang and Young-Min Kim, who have played essential roles alongside him in research and development projects. These collaborations reflect the innovative environment fostered at LG Chem, where teamwork is vital in pushing the boundaries of battery technology.

Conclusion

Ok Sun Kim's contributions to the field of battery technology demonstrate the importance of innovation in creating safer and more efficient energy storage systems. His latest patents not only highlight his ingenuity but also the potential shift in secondary battery performance, leading to significant advancements in various applications, including electric vehicles and renewable energy systems. Kim continues to be a driving force in the realm of innovative battery solutions.