Company Filing History:
2 out of 2 
1 out of 1 Years Active: 2013-2019
Title: Rengui Li: Innovator in Lithium Battery Technology
Introduction
Rengui Li is a prominent inventor based in Sichuan, China, known for his contributions to the field of lithium-ion battery technology. With a total of 3 patents, he has made significant advancements that aim to enhance the performance and efficiency of lithium batteries.
Latest Patents
One of Rengui Li's latest patents is a water-based composition used for modifying diaphragms in lithium batteries. This invention focuses on improving the strength of battery cells, reducing thickness expansion at high temperatures, and simplifying the battery production process. The composition includes a water-based adhesive and organic nano-particle fillings, which are crucial for enhancing the diaphragm's performance. The organic nano-particles are made from various polymers, including polymethyl methacrylate (PMMA) and ethylene-vinyl acetate copolymer (EVA), with sizes ranging from 50 to 2000 nm.
Another notable patent involves a microporous polymer membrane modified by aqueous polymer. This innovation addresses the thermal shrinkage issues of microporous polyolefin membranes at high temperatures. The manufacturing method includes copolymerizing water-soluble polymers with hydrophobic and hydrophilic monomers, resulting in a slurry that is coated onto the membrane. This modification provides a thermal shutdown effect, significantly improving the membrane's performance in high-temperature conditions.
Career Highlights
Rengui Li has worked with several companies, including Changzhou Zhongke Laifang Power Development Co., Ltd. and Chengdu Zhongke Laifang Power Science & Technology Co., Ltd. His experience in these organizations has contributed to his expertise in battery technology and innovation.
Collaborations
Rengui Li has collaborated with various professionals in his field, including his coworker Zhonglai Pan. These collaborations have furthered his research and development efforts in lithium battery technology.
Conclusion
Rengui Li's innovative work in lithium battery technology showcases his commitment to advancing energy storage solutions. His patents reflect a deep understanding of materials and processes that enhance battery performance, making him a significant figure in the field.