Li-Han Chen

Title: Li-Han Chen: Innovator in Nanotechnology and Fuel Cells

Introduction

Li-Han Chen is a prominent inventor based in San Diego, CA, recognized for his groundbreaking contributions to nanotechnology and fuel cell technology. With an impressive portfolio of 10 patents, Chen has made significant advancements that have the potential to transform energy systems and semiconductor industries.

Latest Patents

Among Chen's latest inventions, two patents stand out for their innovative approaches. The first patent pertains to a "Carbon nanotube for fuel cell, nanocomposite comprising the same, method for making the same, and fuel cell using the same." This technology offers aligned carbon nanotubes designed for fuel cells that possess a large surface area. The nanocomposite includes aligned carbon nanotubes that are loaded with highly dispersed nanoparticles of a metallic catalyst, enhancing the performance of the fuel cells. The methods outlined in the patent also discuss the production of these carbon nanotubes and the nanocomposite, ensuring uniform distribution of the catalytic nanoparticles on the external walls of the nanotubes.

The second notable patent is a "Sidewall tracing nanoprobes, method for making the same, and method for use." This innovation features nanoprobes where the tip shape is specifically altered, allowing the diameter to exceed that of the supporting stem. Fabricated by subtractive and additive methods, or through bending techniques, these sidewall tracing nanoprobes are essential for inspecting semiconductor devices, particularly in quantifying defects on the side walls of trenches or via holes.

Career Highlights

Li-Han Chen has had a distinguished career, contributing to research and development at reputable organizations. He has been affiliated with the University of California, where he advanced his research in nanotechnology, and Lucent Technologies Inc., where he was involved in significant technological innovations.

Collaborations

Throughout his career, Chen has collaborated with esteemed colleagues, including Sungho Jin and Wei Zhu. These partnerships have facilitated the exchange of ideas and expertise, further enriching the scope of his research and inventions.

Conclusion

Li-Han Chen's work exemplifies the spirit of innovation in the fields of nanotechnology and fuel cell development. His patents not only advance scientific knowledge but also pave the way for practical applications that can lead to more efficient energy systems and improved semiconductor technologies. His contributions highlight the importance of continuous research and collaboration in driving technological advancements.