Dongsub Lee

Title: Innovations by Dongsub Lee in Battery Technology

Introduction

Dongsub Lee is a notable inventor based in Gyeonggi-do, South Korea. He has made significant contributions to the field of battery technology, particularly in the design and safety of cylindrical secondary batteries. With a total of 2 patents to his name, Lee's work is recognized for its innovative approaches to improving battery performance and safety.

Latest Patents

One of Dongsub Lee's latest patents is for a cylindrical secondary battery of improved safety. This invention features a unique crimping region at the upper end of the cylindrical container, which enhances the sealability of the gasket and minimizes the risk of electrolyte leakage. The design includes a gently bent crimping region that absorbs external impacts, thereby significantly improving the safety of the battery.

Another important patent by Lee involves a battery assembly that employs a separator with a sealed top portion. This design includes an electrode assembly with separators that are heat-treated to maintain their bent state, preventing foreign matter from entering the assembly. This innovation further enhances the safety and reliability of the electrode assembly.

Career Highlights

Dongsub Lee is currently employed at LG Chem, Ltd., a leading company in the chemical and battery industry. His work at LG Chem has allowed him to focus on developing advanced battery technologies that meet the growing demands for safety and efficiency in energy storage solutions.

Collaborations

Lee has collaborated with notable coworkers such as Sungjong Kim and SangHun Jeung. Their combined expertise in battery technology has contributed to the successful development of innovative solutions in the field.

Conclusion

Dongsub Lee's contributions to battery technology exemplify the importance of innovation in enhancing safety and performance. His patents reflect a commitment to advancing the field and addressing the challenges associated with energy storage.