Chang-Wan Koo

Title: **Innovative Contributions of Chang-Wan Koo in Lithium Battery Technology**

Introduction

Chang-Wan Koo is a notable inventor based in Daejeon, South Korea, recognized for his significant contributions to the field of lithium secondary battery technology. He holds a total of four patents that reflect his innovative spirit and commitment to advancing battery materials and designs.

Latest Patents

His latest patents reveal cutting-edge developments in battery technology. One of his significant inventions is a lithium secondary battery that comprises spherical graphite as an anode active material. This invention discloses a composition featuring natural graphite particles that are agglomerated into spherical shapes, with outer surfaces that are not coated with any carbon-based materials. The invention emphasizes the importance of particle surfaces possessing a degree of amorphization of at least 0.3, which is critical for achieving desirable battery performance metrics.

In another patent, Chang-Wan Koo introduced a cathode active material for secondary batteries. This innovation involves a lithium transition metal oxide combined with a carboxymethyl cellulose derivative that is coated on the surfaces of the particles. The composition aligns with specific chemical formulas that maintain necessary ratios, enabling improved function in lithium secondary batteries.

Career Highlights

Chang-Wan Koo is currently employed at LG Chem, Ltd., a leading company in the field of chemical manufacturing and battery production. His work there focuses on enhancing the efficiency and effectiveness of lithium batteries, positioning the company as a frontrunner in renewable energy storage solutions.

Collaborations

Throughout his career, Chang-Wan Koo has collaborated with esteemed colleagues such as Joon Sung Bae and Jae Bin Chung. These collaborations have fostered an environment of shared innovation, leading to breakthroughs that benefit the industry and contribute to sustainable energy solutions.

Conclusion

Chang-Wan Koo's inventions and patents underscore his role as a significant contributor to advancements in lithium battery technology. His commitment to innovation, along with his collaborative efforts at LG Chem, Ltd., continues to pave the way for improved energy solutions, marking him as a visionary inventor in the modern age.