Dongdong Li

Title: Innovations of Dongdong Li in Graphite Materials

Introduction

Dongdong Li is a prominent inventor based in Guangdong, China, known for his significant contributions to the field of graphite materials. With a total of six patents to his name, he has made remarkable advancements in the preparation and application of modified natural graphite.

Latest Patents

One of his latest patents focuses on natural graphite and a modified natural graphite material prepared therefrom. This invention includes a preparation method and various applications. The natural graphite exhibits specific characteristics, such as a particle size D50 smaller than 10 μm and a D90/D10 ratio of less than 2.5. Additionally, it has a 002 interplanar spacing ranging from 0.336 to 0.360 nm, a saturated tap density between 0.6 g/cc and 1.3 g/cc, and a specific surface area ranging from 1.0 m/g to 10.0 m/g. This natural graphite serves as a raw material for producing modified natural graphite material, which boasts high isotropy, leading to improved rate performance and cycle performance.

Another notable patent involves a preparation method for a long-cycle modified graphite-based composite material and a lithium-ion battery that incorporates this material. The method consists of several steps, including mixing a graphite material with a coating modifier, conducting a self-pressurized impregnation experiment, and performing heat treatment in an inert atmosphere to yield the modified graphite-based composite material.

Career Highlights

Dongdong Li has worked with several reputable companies, including Btr New Material Group Co., Ltd. and Guangzhou Automobile Group Co., Ltd. His experience in these organizations has contributed to his expertise in the field of material science and innovation.

Collaborations

Throughout his career, Dongdong Li has collaborated with notable colleagues such as Haihui Zhou and Jianguo Ren. These partnerships have further enhanced his research and development efforts in graphite materials.

Conclusion

Dongdong Li's innovative work in graphite materials has led to significant advancements in their preparation and application. His contributions continue to impact the field positively, showcasing the importance of innovation in material science.