This inventor holds 3 USPTO granted patents and 2 published patent applications and 2 EPO patents. Top assignees: Lg Chem, Ltd, Sj Materials Co., Ltd., Ulsan National Institute of Science and Technology. Active years: 2018-2020.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
2 out of 8,642 
2 out of 3 
1 out of 343 Years Active: 2018-2020
Title: Innovations of Ji Hyun Yoon in Battery Technology
Introduction
Ji Hyun Yoon is a notable inventor based in Ulsan, South Korea, recognized for his contributions to battery technology. He holds three patents that focus on advancements in silicon-based materials for rechargeable lithium batteries. His work aims to enhance the performance and longevity of these batteries, which are crucial for various electronic devices and electric vehicles.
Latest Patents
Yoon's latest patents include a method for manufacturing a porous silicon-based negative electrode active material and a rechargeable lithium battery that incorporates this material. The first patent describes a process that involves mixing porous silica with aluminum powder, followed by heat treatment to create a porous silicon-based material. This innovation is significant as it addresses the efficiency and safety of lithium batteries. The second patent focuses on a porous silicon-based anode active material that features an oxide layer, which reduces reactivity with electrolyte solutions, thereby minimizing the risk of electrical short circuits. This development also improves the thickness change rate during battery charge and discharge cycles, enhancing the overall lifetime of the battery.
Career Highlights
Throughout his career, Ji Hyun Yoon has worked with prominent companies in the field, including LG Chem and SJ Materials. His experience in these organizations has allowed him to develop and refine his innovative ideas in battery technology.
Collaborations
Yoon has collaborated with notable colleagues, including Byoung Man Bang and Jung Woo Yoo. Their combined expertise has contributed to the successful development of advanced battery materials and technologies.
Conclusion
Ji Hyun Yoon's work in the field of battery technology showcases his commitment to innovation and improvement in energy storage solutions. His patents reflect significant advancements that could lead to more efficient and safer rechargeable batteries in the future.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile