Changfeng Bie

Title: Changfeng Bie and Lithium-Ion Battery Innovation.

Introduction

Changfeng Bie is an inventor associated with Ningde, Fujian, and Contemporary Amperex Technology Co., Ltd. His work includes a patent focused on lithium-ion battery technology and positive-electrode materials.

Latest Patents

Bie is named on 1 patent: “Lithium-ion secondary battery, battery apparatus, electric apparatus, preparation method for positive electrode active material, and preparation method for positive electrode plate.” The disclosure describes a lithium-ion secondary battery with positive and negative electrode plates and an electrolyte. Its positive electrode plate uses lithium-containing transition-metal phosphate particles, at least some of which have carbon-coated surfaces. The patent also specifies particle-size proportions in the electrode film layer and a range for its median graphitization degree, addressing characteristics relevant to electrode preparation and battery design.

Career Highlights

Bie’s listed patent connects his inventive work with Contemporary Amperex Technology Co., Ltd., a company active in battery technology. The disclosed invention covers both battery apparatus and electric apparatus, as well as methods for preparing positive-electrode active material and positive-electrode plates.

Collaborations

Xiaojing Li and Hongyu Liu are identified as Bie’s coworkers. Their names are provided as professional associations; the available information does not specify their roles in the patent.

Conclusion

Changfeng Bie’s patent documents work on lithium-ion batteries and positive-electrode materials, linking his inventive contribution to battery technology at Contemporary Amperex Technology Co., Ltd.