Sunhwa Kim

Title: Sunhwa Kim: Polymer Electrolyte and Fuel Cell Innovations.

Introduction

Sunhwa Kim is an inventor based in Daejeon, South Korea, whose work focuses on polymer electrolyte membranes and materials for fuel cells and electrochemical cells. She is associated with LG Chem, Ltd. Her portfolio includes 9 patents.

Latest Patents

One of Kim’s latest patent disclosures concerns core-shell particles, polymer electrolyte membranes containing those particles, fuel cells or electrochemical cells using the membranes, and methods for manufacturing the particles. The invention describes ceramic cores coated with hydrogel shells. The shells are formed by polymerizing compounds designed to interact with water and create a crosslinked structure. The particles are intended for use in polymer electrolyte membranes.

Another disclosure presents a method for producing a polymer electrolyte membrane by reducing a ketone group in a polyarylene ether ketone polymer and then treating the membrane with sulfuric acid. The patent also covers the resulting membrane, a membrane electrode assembly incorporating it, and a fuel cell containing that assembly.

Career Highlights

Kim’s listed inventions address materials and manufacturing processes relevant to fuel-cell and electrochemical-cell technologies. Her work includes both particle-based membrane components and chemical treatment methods for preparing polymer electrolyte membranes.

Collaborations

Kim’s listed coworkers include Changho Cho and Han Soo Kim. Her work is associated with LG Chem, Ltd.

Conclusion

Sunhwa Kim’s patent portfolio reflects a focus on polymer electrolyte materials and their application in fuel cells and electrochemical cells.