Jung-Moon Sung

Title: Innovations of Jung-Moon Sung in Microporous Polyethylene Film

Introduction

Jung-Moon Sung is a prominent inventor based in Seoul, South Korea, known for his significant contributions to the field of polymer technologies. With a total of two patents, he has paved the way for advancements in battery separator materials, enhancing productivity and performance in various applications.

Latest Patents

Jung-Moon Sung's latest patents focus on methods of producing microporous polyethylene films that exhibit remarkable properties. The first patent describes a microporous polyethylene film manufactured through liquid-liquid phase separation. This innovative approach allows for easy extrusion and stretching, potentially enhancing the productivity of stable products. The resulting film is applicable in battery separators and diverse filter systems due to its high gas permeability, exceptional puncture strength, and minimal shrinkage.

The second patent pertains to the preparation of a microporous high-density polyethylene film intended specifically for battery separators. The invention outlines a process for creating a film comprising high-density polyethylene with a specific molecular weight distribution. Key features of this film include a puncture strength of 0.22 N/μm or more, a Darcy's permeability constant of 1.8×10^(-3) Darcy or more, and a shrinkage of 4% or less in both machine and transverse directions. Its excellent extrusion-compoundability and stretchability boost the performance and stability of batteries that utilize this film.

Career Highlights

Jung-Moon Sung is currently associated with SK Innovation Co., Ltd., a leading company in the innovation of advanced materials. His work in developing advanced microporous films has positioned him as a key figure in the field of energy storage solutions.

Collaborations

In his professional journey, Jung-Moon Sung has collaborated with notable colleagues, including Young-Keun Lee and Jang-Weon Rhee. Their joint expertise fosters an environment of innovation and drives the advancement of new technologies within the company.

Conclusion

Jung-Moon Sung's contributions to the development of microporous polyethylene films demonstrate his commitment to innovation in polymer science. His patents not only enhance the manufacturing processes but also significantly improve the performance of applications, particularly in energy storage solutions. As he continues to work with SK Innovation Co., Ltd., his future innovations are anticipated to further revolutionize the industry.