Company Filing History:
18 out of 8,327 
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1 out of 300 Years Active: 2012-2025
Title: **Innovator Spotlight: Wook Jang from Daejeon, KR**
Introduction
Wook Jang, an accomplished inventor based in Daejeon, South Korea, is a noted figure in the field of battery technology. With a portfolio of 18 patents, he has made significant contributions to the development of advanced materials for secondary batteries, enhancing their performance and efficiency.
Latest Patents
Among his latest patents, Wook Jang has developed surface-coated positive electrode active material particles and a secondary battery that incorporates these particles. This innovation focuses on positive electrode active material particles that are coated with a polyimide, which includes structures such as pyrrole, aniline, and carbazole. This coating not only prevents direct contact between the active material and the electrolyte but also inhibits side reactions, resulting in improved lithium ion mobility and electron conductivity.
Additionally, Wook Jang holds a patent for a method of manufacturing a cathode active material. This method includes several steps: preparing a metal glycolate solution, mixing lithium-containing transition metal oxide particles with this solution, drying the resulting paste, and then applying heat treatment to the mixture. The resulting cathode active material, characterized by a metal oxide layer produced through this method, enhances the overall performance of secondary batteries.
Career Highlights
Wook Jang's career has involved significant roles at prominent companies including LG Chem, Ltd. and the Ulsan National Institute of Science and Technology. His work at these institutions has been pivotal in advancing battery technologies and research, contributing to the sustainability and efficiency of energy storage solutions.
Collaborations
He has collaborated with brilliant minds such as Seung Beom Cho and In Kook Jun. Together, they have worked on innovative projects that push the boundaries of current battery technology, showcasing Wook Jang's ability to thrive in collaborative environments and produce impactful advancements.
Conclusion
Wook Jang stands out as a prominent inventor in the battery technology sector, with a robust portfolio of patents that address crucial challenges in energy storage. His innovative approach and collaborations continue to drive the evolution of secondary batteries, making significant strides toward enhanced performance and durability. The impact of his inventions is likely to resonate in both industrial applications and consumer electronics for years to come.