Asbjorn Ulvestad

Title: Asbjorn Ulvestad: Innovator in Silicon Nitride Production

Introduction

Asbjorn Ulvestad is a notable inventor based in Kjeller, Norway. He has made significant contributions to the field of materials science, particularly in the production of silicon nitride powder. His innovative methods have implications for various applications, including battery technology.

Latest Patents

Ulvestad holds a patent for a "Method for producing a silicon nitride powder and battery comprising the powder." This patent describes a process for creating a powder that consists of amorphous, micro- or nano-crystalline silicon nitride. The method involves supplying reactant gases containing silicon and nitrogen to a reaction chamber and heating them to a temperature between 510° C. and 1300° C. This process allows for the thermal decomposition or reduction of the gases, resulting in a silicon nitride powder with a specific atomic ratio of silicon to nitrogen. The produced powder can be utilized in the manufacture of films and electrodes for batteries, such as lithium-ion batteries.

Career Highlights

Ulvestad is affiliated with the Institute for Energy Technology, where he continues to advance research in energy materials. His work has garnered attention for its potential to enhance battery performance and efficiency.

Collaborations

Some of his notable coworkers include Martin Kirkengen and Hanne F. Andersen, who contribute to the research and development efforts at the Institute for Energy Technology.

Conclusion

Asbjorn Ulvestad's innovative methods for producing silicon nitride powder represent a significant advancement in materials science, particularly for energy applications. His contributions are paving the way for improved battery technologies and further research in the field.