Characterization and Development of Advanced Heat Transfer Technologies Slide: 2 of 15
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The Problem
" Enable the use of 1050C coolant to reduce the thermal
control cost by completely eliminating a separate
coolant loop.
" For performance and long term reliability, die
temperature needs to be below 1250 C with
conventional IGBT technology (1500 - 1750 C with
Trench IGBT).
" Current approach of using a separate coolant loop at
700 C is costly relative to the overall FreedomCAR
goals [for 2020 cost target of $8/kW for a 55 kW
traction system].
" Target for specific power at peak load is > 1.2 kW/kg
while for volumetric power density is > 3.5 kW/liter.DOE FreedomCAR APEEM Projects FY08 Kickoff Meeting
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Abraham, T. Characterization and Development of Advanced Heat Transfer Technologies, presentation, November 8, 2007; Golden, Colorado. (https://digital.library.unt.edu/ark:/67531/metadc893823/m1/2/: accessed April 19, 2024), University of North Texas Libraries, UNT Digital Library, https://digital.library.unt.edu; crediting UNT Libraries Government Documents Department.