This inventor holds 1 USPTO granted patent and 1 EPO patent. Top assignees: Chung Ang University Industry Academic Cooperation, Lg Chem, Ltd. Active years: 2021.
Company Filing History:
1 out of 208 
1 out of 8,610 
Years Active: 2021
Title: Hyewon Hwang: Innovator in Lithium Battery Technology
Introduction
Hyewon Hwang is a notable inventor based in Daejeon, South Korea. He has made significant contributions to the field of lithium secondary batteries, particularly through his innovative methods for manufacturing negative active materials.
Latest Patents
Hyewon Hwang holds a patent titled "Method for manufacturing negative active material, and negative active material and lithium secondary battery using same." This patent describes a method for preparing a negative electrode active material, which includes several steps. The process involves preparing a coating composition with a precursor of metal-phosphorus-oxynitride, forming a precursor layer on a negative electrode active material, and heat treating it to create a protective layer. This method simplifies the overall process and reduces costs while enhancing the capacity, stabilization, and longevity of the battery.
Career Highlights
Throughout his career, Hyewon Hwang has worked with prominent organizations, including LG Chem, Ltd and Chung Ang University Industry Academic Cooperation. His experience in these institutions has allowed him to develop and refine his innovative approaches to battery technology.
Collaborations
Hyewon Hwang has collaborated with notable colleagues, including Da Young Sung and Myung Gil Kim. These partnerships have contributed to his research and development efforts in the field of lithium batteries.
Conclusion
Hyewon Hwang's work in the development of negative active materials for lithium secondary batteries showcases his innovative spirit and dedication to advancing battery technology. His contributions are significant in the pursuit of more efficient and cost-effective energy storage solutions.