Australian startup Siltrax, based in Sydney, is making waves in the aerospace industry with its silicon-based hydrogen fuel cell technology. In recent independent third-party testing, Siltrax's 150-kW G-100 fuel cell set a new benchmark by achieving a volumetric power density of 9.77 kW. This remarkable feat positions Siltrax as a frontrunner in the field, especially for potential aerospace applications. The company's focus on innovative engineering and technology has garnered attention and recognition for pushing the boundaries of fuel cell performance. With its record-breaking achievement, Siltrax is showcasing the significant strides being made in advancing hydrogen fuel cell technology. This success not only highlights the capabilities of Siltrax but also underlines the growing importance of hydrogen as a clean energy source in the aerospace sector. By demonstrating the viability and high performance of its fuel cell technology, Siltrax is paving the way for a more sustainable and efficient future in aviation and aerospace.