Jung-Woo Yoo

Title: Innovations by Jung-Woo Yoo in Lithium Secondary Battery Technology

Introduction

Jung-Woo Yoo is a prominent inventor based in Daejeon, South Korea. He has made significant contributions to the field of lithium secondary batteries, holding a total of 3 patents. His work focuses on enhancing the performance and efficiency of battery components, particularly the negative electrodes.

Latest Patents

Among his latest patents is a binder for the negative electrode of lithium secondary batteries. This invention includes a negative electrode that boasts excellent dispersibility, adhesion, and tensile strength. The negative electrode comprises negative electrode active material particles, a conductive material, and a binder. The binder is a copolymer that includes acrylamide monomer-derived repeating units, acrylic acid monomer-derived repeating units, sodium acrylate monomer-derived repeating units, and acrylonitrile monomer-derived repeating units. The combined weight of the acrylic acid and sodium acrylate monomer-derived repeating units in the copolymer ranges from 25 wt % to 35 wt %. Additionally, he has developed a low resistance negative electrode that features excellent adhesiveness, utilizing carboxymethyl cellulose with a polydispersity index of 10 or more and a weight average molecular weight of 2,000,000 or more in the negative electrode mix slurry. This innovation improves the phase stability of the negative electrode mix slurry, resulting in enhanced adhesiveness and low resistance in the manufactured negative electrode.

Career Highlights

Jung-Woo Yoo has worked with notable companies such as LG Chem, Ltd. and LG Energy Solution, Ltd. His experience in these organizations has allowed him to refine his expertise in battery technology and contribute to advancements in the field.

Collaborations

Throughout his career, Jung-Woo Yoo has collaborated with talented individuals, including Je-Young Kim and Yong-Ju Lee. These partnerships have fostered innovation and development in battery technologies.

Conclusion

Jung-Woo Yoo's contributions to lithium secondary battery technology highlight his role as a key inventor in the field. His innovative patents and collaborations continue to influence advancements in battery performance and efficiency.