Han-Ik Joh

Title: Han-Ik Joh: Innovator in Carbon Fiber Technology

Introduction

Han-Ik Joh is a prominent inventor based in Seoul, South Korea. He has made significant contributions to the field of carbon fiber technology, holding a total of 5 patents. His work focuses on developing advanced materials that enhance performance while reducing production costs.

Latest Patents

One of his latest patents is for a nanocarbon composite carbon fiber with low cost and high performance, along with its preparation method. This innovation relates to a method for lowering the production cost of high-performance carbon fiber using a nanocarbon composite precursor fiber that is crosslinked by electron beam. The preparation method includes several steps: a nanocarbon containing step, a precursor fiber preparation step, an oxidation-stabilization step, and a carbonization step. This process results in a nanocarbon composite carbon fiber that exhibits improved heat resistance.

Another notable patent is for a large-area carbon nanomesh derived from polymer and the method of preparing it. This patent describes a polymer-based large-area carbon nanomesh and outlines a method for its preparation. The process involves creating a polymer nanofilm, stabilizing it through annealing, and carbonizing the resulting porous polymer nanomesh. This method allows for the production of a carbon nanomesh with superior activity and high reproducibility on a large scale.

Career Highlights

Han-Ik Joh is affiliated with the Korea Institute of Science and Technology, where he conducts his research and development activities. His innovative work has positioned him as a key figure in the advancement of carbon fiber technologies.

Collaborations

He collaborates with notable colleagues, including Tae-Wook Kim and Heung Yong Ha, who contribute to his research endeavors.

Conclusion

Han-Ik Joh's contributions to carbon fiber technology through his innovative patents demonstrate his commitment to advancing materials science. His work not only enhances performance but also aims to make production processes more cost-effective.