Nak Gi Sung

Title: Nak Gi Sung: Innovator in Battery Technology

Introduction

Nak Gi Sung is a prominent inventor based in Daejeon, South Korea. He has made significant contributions to the field of battery technology, holding a total of 20 patents. His innovative approaches have paved the way for advancements in secondary battery manufacturing and activation methods.

Latest Patents

One of Nak Gi Sung's latest patents is a method for manufacturing a secondary battery. This method includes a formation step for charging an assembled secondary battery to a state of charge (SOC) of 45% to 65%. It also features an aging step for the completed formation and a low voltage testing step to measure voltage changes. This innovative approach allows for a stable SEI coating, reducing charging time and enabling mass production of secondary batteries. Another notable patent is the method of battery cell activation using an activation tray. This method introduces multiple battery cells onto an activation tray for CC-charging and connects them in parallel, significantly shortening the time required for CV-charging.

Career Highlights

Throughout his career, Nak Gi Sung has worked with leading companies in the industry, including LG Energy Solution, Ltd. and LG Chem, Ltd. His work has been instrumental in enhancing battery performance and efficiency.

Collaborations

He has collaborated with notable colleagues such as Joon Sung Bae and Sung Tae Kim, contributing to various projects that have advanced battery technology.

Conclusion

Nak Gi Sung's innovative contributions to battery technology have established him as a key figure in the field. His patents reflect a commitment to improving battery manufacturing processes and activation methods, which are crucial for the future of energy storage solutions.