Lijuan Qu

Title: Lijuan Qu: Innovator in Lithium-Ion Battery Technology

Introduction

Lijuan Qu is a prominent inventor based in Guangdong, China, known for his contributions to the field of lithium-ion battery technology. With a total of three patents to his name, Qu has made significant advancements in the development of negative electrode materials for batteries.

Latest Patents

Qu's latest patents include a silicon-oxygen composite negative electrode material and a method for its preparation. This innovative material comprises a silicon-oxygen composite that includes SiO, a non-LiSiO lithium-containing compound, and LiSiO. The preparation method involves mixing a first silicon source with a reducing lithium source and roasting it to obtain a composite material. This composite is then fused with a second silicon source and subjected to heat treatment, resulting in a silicon-oxygen composite negative electrode material. This invention addresses the issue of negative electrode materials producing strong alkaline or easily soluble by-products in water after pre-lithiation, which can affect subsequent processing. Another patent focuses on a negative electrode material for lithium-ion secondary batteries, which features a carbon coating layer and a core layer made of lithium polysilicate and silicon oxide. This material boasts high first coulomb efficiency, long cycle performance, excellent rate performance, and enhanced safety.

Career Highlights

Lijuan Qu is currently employed at Btr New Material Group Co., Ltd., where he continues to innovate in the field of battery technology. His work has positioned him as a key figure in the development of advanced materials for energy storage solutions.

Collaborations

Qu collaborates with notable colleagues, including Chunlei Pang and Jianguo Ren, who contribute to his research and development efforts in the field.

Conclusion

Lijuan Qu's innovative work in lithium-ion battery technology has led to significant advancements in negative electrode materials, showcasing his expertise and commitment to improving energy storage solutions. His contributions are vital to the ongoing evolution of battery technology.