Company Filing History:
3 out of 1,014 
1 out of 488 Years Active: 2023-2025
Title: Innovator Yuanyuan Li: Pioneering Advancements in Composite Artificial Graphite
Introduction
Yuanyuan Li, an esteemed inventor located in Ningde, China, has made significant contributions to the field of materials science, particularly in the domain of battery technology. With a total of four patents to his name, he stands out for his innovative work on composite artificial graphite and secondary batteries.
Latest Patents
Among Yuanyuan Li's latest patents, two key inventions showcase his expertise. The first patent details a method for creating composite artificial graphite, which consists of a unique combination of first and second graphites. The first graphite, composed of secondary particles, features a graphite interlayer spacing of 0.33560 nm to 0.33610 nm, while the second graphite comprises primary particles with a spacing of 0.33620 nm to 0.33670 nm. This composite achieves a mass percentage of the first graphite ranging from 40% to 90%.
The second patent focuses on the development of a secondary battery, alongside an electrolyte and an apparatus that employs this secondary battery. This innovative battery design is characterized by an electrolyte that includes an organic solvent made up of both cyclic and chain carbonates. Specifically, the mass ratio of the cyclic carbonate to the chain carbonate is maintained between 25:75 and 32:68. Among the chain carbonates, dimethyl carbonate plays a crucial role, comprising at least 9 wt % but less than 50 wt % of the total. The invention effectively optimizes low-temperature power output while extending the battery's service life and cycle performance.
Career Highlights
Yuanyuan Li has worked with notable organizations, including Contemporary Amperex Technology Co., Ltd. and Contemporary Amperex Technology (Hong Kong) Limited. His extensive experience in these companies has allowed him to hone his skills and contribute to groundbreaking advancements in battery technologies.
Collaborations
Throughout his career, Yuanyuan has collaborated with other talented individuals in the field, including coworkers Rui Shen and Bin Jiang. These collaborations have likely enriched the innovative process and fostered an environment where groundbreaking inventions can flourish.
Conclusion
With his steadfast dedication to innovating and improving battery technologies, Yuanyuan Li's work continues to influence the industry positively. His latest patents in composite artificial graphite and secondary batteries are just a glimpse into his ongoing contributions to the field, setting a foundation for future advancements in energy storage solutions.