Company Filing History:
2 out of 501 
2 out of 1,016 
Years Active: 2023-2025
Title: Changfeng Bie: Innovator in Battery Technology
Introduction
Changfeng Bie is a notable inventor based in Ningde, China, recognized for his contributions to battery technology. With a total of two patents, he has demonstrated his commitment to advancing the field of energy storage and efficiency.
Latest Patents
Changfeng Bie's latest patents include innovative designs for a battery pack and an electrical device. The battery pack is ingeniously engineered with three battery cells, where each cell contains a positive electrode active substance made from lithium iron phosphate and a specialized low-temperature additive. This innovation ensures that the discharging cut-off voltages for the respective battery cells adhere to specific temperature-related criteria, enhancing their performance at low temperatures.
Additionally, his patent regarding carbon-coated lithium iron phosphate positive active materials outlines a method for preparing these advanced materials, which feature a robust carbon coating that improves overall battery efficiency. These materials are essential for the development of high-performance lithium-ion batteries, positioning Bie as a leader in the field.
Career Highlights
Changfeng Bie is prominently associated with Contemporary Amperex Technology Co., Ltd., a company at the forefront of battery manufacturing and technology. His tenure there has seen him make significant strides in battery design, greatly influencing the company's innovations in energy solutions.
Collaborations
Throughout his career, Changfeng has collaborated with notable colleagues such as Hongyu Liu and Xue Leng. These partnerships have furthered his research and development efforts, fostering a collaborative approach to solving complex challenges in battery technology.
Conclusion
In summary, Changfeng Bie's inventive contributions to battery technology have cemented his reputation as a pioneering figure in the field. With a focus on innovative materials and designs, his work continues to play a critical role in advancing energy storage solutions, demonstrating the importance of collaboration and ingenuity in modern technology.