This inventor holds 1 USPTO granted patent and 1 published patent application. Top assignee: L&f Co., Ltd.. Active years: 2013.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
Years Active: 2013
Title: Yoon Han Chang: Innovator in Lithium Battery Technology
Introduction
Yoon Han Chang is a prominent inventor based in Hwaseong, South Korea. He has made significant contributions to the field of lithium secondary batteries, particularly through his innovative methods for preparing cathode active materials. His work is crucial in advancing battery technology, which is essential for various applications, including electric vehicles and portable electronics.
Latest Patents
Yoon Han Chang holds a patent for a "Method for preparing cathode active material for lithium secondary battery." This method involves adding a phosphorus compound to a transition metal oxide dispersion liquid to create a coating liquid. The process includes drying the coating liquid to form a powder with phosphorus oxide on the surface of the transition metal oxide. This powder is then mixed with a lithium intercalation compound and fired to produce a solid solution compound. This innovative method simplifies the conventional preparation process, reducing costs while maintaining comparable electrochemical characteristics to materials obtained through traditional wet processes.
Career Highlights
Yoon Han Chang is associated with L&F Co., Ltd., where he continues to develop and refine battery technologies. His work has positioned him as a key figure in the advancement of energy storage solutions. With a focus on improving the efficiency and effectiveness of lithium batteries, he is contributing to the future of sustainable energy.
Collaborations
Yoon Han Chang collaborates with notable colleagues, including Jaephil Cho and Sang-Hoon Jeon. These partnerships enhance the research and development efforts at L&F Co., Ltd., fostering innovation in battery technology.
Conclusion
Yoon Han Chang's contributions to lithium battery technology through his patented methods are paving the way for more efficient energy storage solutions. His work exemplifies the importance of innovation in addressing the growing demand for advanced battery systems.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile