Company Filing History:
2 out of 2 
1 out of 1 Years Active: 2018
Title: Innovations of Jianhua Li in Membrane Technology
Introduction
Jianhua Li is a notable inventor based in Tianjin, China, recognized for his contributions to membrane technology. He holds three patents that showcase his expertise in developing advanced materials for various applications, particularly in the field of lithium-ion batteries.
Latest Patents
One of Jianhua Li's latest patents is a microporous membrane of polyethylene-based composite material. This innovative membrane utilizes high-density and high-crystallinity polyethylene as a base material, modified by a rubber agent that accounts for 10-25 wt. % of the membrane. The rubber, selected from polyisobutylene or ethylene-propylene methylene copolymer, has specific dynamic viscosity and molecular weight characteristics. Another significant patent involves a coated separator with compressible elasticity, thermal shutdown, and high-temperature resistance. This lithium-ion battery separator consists of a polyethylene micro-porous substrate and a micro-porous coating made from a composite of pre-crosslinked rubber particles and ceramic fine powder. The separator is designed to exhibit excellent compressible elasticity and thermal stability.
Career Highlights
Jianhua Li has worked with companies such as Tianjin DG Membrane Co., Ltd. and Tianjin DG Membrane Technology Co., Ltd. His experience in these organizations has allowed him to refine his skills and contribute to the advancement of membrane technologies.
Collaborations
Throughout his career, Jianhua Li has collaborated with professionals like Xin Li and Yongjun Jiao, enhancing his research and development efforts in the field.
Conclusion
Jianhua Li's innovative work in membrane technology has led to significant advancements in materials used for lithium-ion batteries. His patents reflect a commitment to improving the performance and safety of these essential components in modern technology.