Byung Rae Jung

Title: Byung Rae Jung: Innovator in Microporous Film Technology

Introduction

Byung Rae Jung is a notable inventor based in Daejeon, South Korea. He has made significant contributions to the field of materials science, particularly in the development of microporous films for battery applications. With a total of 3 patents to his name, his work has the potential to enhance battery performance and stability.

Latest Patents

One of his latest patents is a method of producing microporous high-density polyethylene film. This film is designed for use as a battery separator and boasts impressive properties. It includes high-density polyethylene with a weight average molecular weight of 2×10-5×10, containing 5 wt % or less of molecules with a molecular weight of 1×10 or less. The film exhibits tensile strengths of 1,100 kg/cm or more in both transverse and machine directions, a puncture strength of 0.22 N/μm or more, and a gas permeability of 1.3×10 Darcy or more. Additionally, it has shrinkages of 5% or less in both machine and transverse directions. This innovation not only improves the performance and stability of batteries but also enhances productivity due to its excellent extrusion-compoundability and stretchability.

Another significant patent by Jung is related to a microporous polyethylene film for battery separators. This film comprises a resin mixture that includes 100 parts by weight of a composition containing 20-50 wt % polyethylene with a weight average molecular weight of 5×10-3×10 and 80-50 wt % diluent. It also includes components such as peroxide and anti-oxidant. The film has a puncture strength of 0.22 N/μm or more and a gas permeability of 1.3×10 Darcy or more. This invention aims to increase the production efficiency of microporous films while improving battery performance and stability.

Career Highlights

Throughout his career, Byung Rae Jung has worked with prominent companies such as SK Energy Co., Ltd. and SK Corporation. His experience in these organizations has contributed to his expertise in materials science and innovation.

Collaborations

Some of his notable coworkers include Young Keun Lee and Jang Weon Rhee. Their collaboration has likely played a role in advancing the research and development of microporous films.