(Ultra-) Wide-Bandgap Devices: Reshaping the Power Electronics Landscape
Presenter Dr. Yuhao Zhang, Assistant Professor,
Center for Power Electronics Systems, Virginia Tech
IEEE EDS SCV-SF Seminar
Friday, June 12, 2020 at 12PM – 1PM PDT
Abstract: Power electronics is the application of solid-state electronics for the control and processing of electrical energy. It is used ubiquitously in consumer electronics, electric vehicles, data centers, renewable energy systems, and smart grid. The power semiconductor device, as the cornerstone technology in power electronics, is key to improving the efficiency, cost and form factor of power electronic systems. Recently, the power electronics landscape has been significantly reshaped with the production and application of power devices based on wide-bandgap (WBG) semiconductors, such as gallium nitride (GaN) and silicon carbide (SiC). Besides advancing the performance of traditional power systems, WBG devices have also enabled many emerging applications that are beyond the realm of silicon (Si) as well as changed the manufacturing paradigm of power electronics. On the horizon is the power devices based on ultra-wide-bandgap (UWBG) materials, which promises superior performance over GaN and SiC and is at the relatively early stage of research development. This talk will provide a comprehensive overview of major WBG and UWBG power device technologies, spanning materials, devices, reliability and applications. Some research projects in the PI’s group in collaboration with industry will also be introduced.
FIG: WBG Semiconductor: Superior Power Semiconductor Over Si
The seminar presentation is now available on our IEEE EDS SCV-SF webpage:
http://site.ieee.org/scv-eds/files/2020/06/SCV_SF_EDS_Yuhao_Zhang_excerpt.pdf
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