Zhengping Liu

Title: Innovations in Conductive Materials: The Work of Zhengping Liu

Introduction

Zhengping Liu is a notable inventor based in Shanghai, China, with a focus on innovative conductive materials. With three patents to his name, he has made significant contributions to the field of polymer-based technology. His latest inventions showcase advancements in conductive composite materials and their applications in overcurrent protection devices.

Latest Patents

Zhengping Liu's recent patents include the development of a macromolecule-based conductive composite material and a positive temperature coefficient (PTC) element. The macromolecule-based conductive composite material features a unique composition comprising a macromolecule base material, a core-shell structure conductive filler, and a titanate coupling agent. This innovative blend allows for a volume fraction of the macromolecule ranging from 20% to 75% and a conductive filler dispersal of 25% to 80%. The resulting PTC element demonstrates several advantages, including low room-temperature resistivity, excellent weather durability, and reliable voltage resistance.

Additionally, Liu's other patent addresses the creation of a PTC conductive composite material specifically designed for overcurrent protection devices. This material consists of a crystalline polymer matrix and a conductive filler, effectively managing its volume resistivity to not exceed 300 μΩ·cm. The overcurrent protection device, featuring a sandwich structure of metal foils and the PTC conductive composite, presents a low-resistance solution with remarkable reproducibility and PTC intensity.

Career Highlights

Liu is currently employed at Shanghai Changyuan Wayon Circuit Protection Co., Ltd., where his groundbreaking work continues to influence the industry. His expertise in macromolecule-based technology has positioned him as a key inventor in the realm of circuit protection.

Collaborations

Throughout his career, Zhengping Liu has worked alongside talented colleagues such as Yutang Liu and Jun Wang. Their collaborative efforts have led to significant advancements in the field, exemplifying the importance of teamwork in innovation.

Conclusion

Zhengping Liu's contributions to conductive materials and PTC technology showcase the innovative spirit of modern inventors. His patents not only highlight his individual ingenuity but also signify the collective effort of talented professionals in advancing technology for practical applications. As he continues to work at Shanghai Changyuan Wayon Circuit Protection Co., Ltd., the future of conductive materials looks promising with Liu's ongoing research and discoveries.