Siming Yang

Title: Siming Yang and Advances in Lithium-Ion Battery Cathode Materials.

Introduction

Siming Yang is an inventor associated with Shanghai, China, and Murata Manufacturing Co., Ltd. His patent work includes a composite cathode active material designed to improve the performance and durability of lithium-ion secondary batteries.

Latest Patents

Yang is named on one patent: “Composite Cathode Active Material, Preparation Method Thereof, Cathode Sheet and Lithium Ion Secondary Battery.” The invention describes a cathode active material core coated with a hydrogen fluoride barrier layer and an outer physical barrier layer. The hydrogen fluoride barrier layer contains selected elements, including niobium, barium, zirconium, manganese, magnesium, aluminum, or calcium, combined with elements such as oxygen, fluorine, boron, or phosphorus.

The layered design helps prevent hydrogen fluoride from contacting and reacting with the cathode active material. It also aims to inhibit metal dissolution and preserve the stability of the material’s crystal structure. The patent describes these effects as supporting improved cycle retention and reduced impedance growth. Yang’s reported patent portfolio comprises 1 patent.

Career Highlights

Yang’s listed affiliation is Murata Manufacturing Co., Ltd., a company whose work includes electronic components and battery-related technologies. His patent reflects research focused on protective material structures for lithium-ion battery cathodes.

Collaborations

Jixian Lv and Yuli Li are identified as Yang’s coworkers. The available information does not specify their roles in the patent or the nature of their collaboration.

Conclusion

Siming Yang’s patent centers on a layered cathode material intended to protect against hydrogen fluoride-related degradation and support more stable lithium-ion battery performance.