Location History:
- Sichuan, CN (2013 - 2019)
- Chengdu, CN (2023)
Company Filing History:
2 out of 2 
1 out of 1 
1 out of 1 Years Active: 2013-2023
Title: Innovations by Hongchang Du in Lithium Ion Battery Technology
Introduction
Hongchang Du is a notable inventor based in Sichuan, China, recognized for his contributions to the field of lithium ion battery technology. He holds a total of 4 patents, showcasing his innovative approach to enhancing battery performance and efficiency.
Latest Patents
One of his latest patents is titled "Acrylonitrile copolymer binder and application thereof in lithium ion batteries." This invention addresses the need for a copolymer binder that improves the energy density and cycle performance of lithium ion batteries. The binder comprises 78-95% acrylonitrile unit, 1-10% acrylic ester unit, and 2-15% acrylamide unit, which together enhance the flexibility of the polymer membrane and its affinity for electrolytes.
Another significant patent is "Water-based composition used for modifying diaphragm for lithium batteries and modified diaphragm and batteries." This invention aims to strengthen battery cells and reduce thickness expansion at high temperatures. The water-based composition includes a water-based adhesive and organic nano-particle fillings, which are crucial for improving the overall performance of lithium ion batteries.
Career Highlights
Throughout his career, Hongchang Du has worked with several companies, including Changzhou Zhongke Laifang Power Development Co., Ltd. and Chengdu Zhongke Laifang Power Science & Technology Co., Ltd. His work in these organizations has contributed to advancements in battery technology and production processes.
Collaborations
Hongchang Du has collaborated with notable colleagues such as Zhonglai Pan and Rengui Li, further enhancing his innovative efforts in the field of lithium ion batteries.
Conclusion
Hongchang Du's contributions to lithium ion battery technology through his patents and collaborations highlight his significant role in advancing energy storage solutions. His innovative approaches continue to influence the development of more efficient and reliable battery systems.