Kyung Ryun Ka

Title: Kyung Ryun Ka: Innovator in Electrochemical Device Technology

Introduction

Kyung Ryun Ka is a prominent inventor based in Daejeon, South Korea. He has made significant contributions to the field of electrochemical devices, particularly in the development of advanced separators for batteries. With a total of 7 patents to his name, his work is recognized for its innovative approaches and technical advancements.

Latest Patents

One of Kyung Ryun Ka's latest patents is a separator comprising dual coating layers and a secondary battery that utilizes this technology. This separator features a polyolefin substrate with a first coating layer that includes first inorganic particles on at least one surface. The second coating layer contains second inorganic particles on the surface opposite the polyolefin substrate. Notably, the average particle size of the first inorganic material particles is greater than that of the second inorganic material particles. The first inorganic particles measure 900 nm or more based on D50, while the second inorganic particles range from 10 nm to 500 nm based on D50.

Another significant patent involves a separator with an organic/inorganic porous coating layer for electrochemical devices. This separator includes a substrate made from a porous film containing a polyolefin polymer. The organic-inorganic composite porous coating layer consists of polymer resin particles and inorganic particles. Each polymer resin particle includes a polyvinylidene fluoride (PVDF)-containing polymer and an acrylic polymer, with the PVDF-containing polymer having a Hansen solubility parameter (HSP) value of 13 or less and 1 or more.

Career Highlights

Kyung Ryun Ka is currently employed at LG Energy Solution, Ltd., where he continues to innovate in the field of energy solutions. His work has been instrumental in advancing battery technology, particularly in enhancing the efficiency and performance of electrochemical devices.

Collaborations

Throughout his career, Kyung Ryun Ka has collaborated with notable colleagues, including Min Ji Kim and Seung Hyun Lee. These collaborations have contributed to the successful development of various technologies and patents in the field.

Conclusion

Kyung Ryun Ka stands out as a leading inventor in the realm of electrochemical devices, with a focus on innovative separator technologies. His contributions have significantly impacted the industry, and his ongoing work promises to drive further advancements in battery technology.