Location History:
- Cheonan, KR (2004 - 2006)
- Cheonan-si, KR (2009)
Company Filing History:
Years Active: 2004-2009
Title: Innovations of Yun-Suk Choi
Introduction
Yun-Suk Choi is a prominent inventor based in Cheonan, South Korea. He has made significant contributions to the field of battery technology, particularly in the development of rechargeable lithium batteries. With a total of 4 patents to his name, Choi continues to push the boundaries of innovation in energy storage solutions.
Latest Patents
One of his latest patents is for a rechargeable lithium battery that features a specific surface roughness of the positive and negative electrodes. This innovative battery design includes a positive electrode with a positive active material that can reversibly intercalate and deintercalate lithium ions. The negative electrode also contains a negative active material, and the electrolyte is optimized for performance. The arithmetic mean Ra of the surface roughness of the positive electrode ranges from 155 to 419 nm, while the negative electrode's surface roughness ranges from 183 to 1159 nm after charging and discharging.
Another notable patent is for a positive electrode specifically designed for lithium-sulfur batteries. This electrode comprises a positive active material that includes a sulfur-based compound, an electrically conductive material, a viscosity-increasing agent, and a binder. The viscosity-increasing agent is selected from a cellulose-based compound, an ionically conductive polymer, or a mixture of both. The binder used in this innovative design is styrene-butadiene rubber.
Career Highlights
Yun-Suk Choi is currently employed at Samsung SDI Co., Inc., where he continues to develop cutting-edge battery technologies. His work has been instrumental in advancing the efficiency and performance of lithium batteries, which are crucial for various applications, including electric vehicles and portable electronics.
Collaborations
Choi collaborates with talented individuals in his field, including Ji-Seong Han and Seung-Hee Park, who contribute to the innovative projects at Samsung SDI Co., Inc. Their teamwork fosters a creative environment that enhances the development of new technologies.
Conclusion
Yun-Suk Choi's contributions to battery technology exemplify the spirit of innovation in the energy sector. His patents reflect a commitment to improving energy storage solutions, which are vital for the future of sustainable technology.