Noting that power electronics and electric machine technology as well as battery technology will be core to General Motors in its multiple paths to vehicle electrification, Tom Stephens, GM Vice Chairman, Global Product Operations announced that the company will expand its in-house electric vehicle development capabilities by becoming the first major US automaker to design and manufacture electric motors.
By doing so, Stephens said, GM will lower cost and improve performance, quality, reliability and manufacturability of electric motors by controlling design, materials selection and production processes. The first GM-designed and built electric motors are scheduled to debut in 2013 in next-generation, rear-wheel-drive two-mode hybrid technology.
The expected improvement in power density in the GM-designed and built motors for the longitudinal application of the two-mode hybrid—on a per motor basis, these machines are about 25% smaller, output is about 20% higher, and efficiency is up—will allow its application in a range of vehicles smaller than the full-size trucks and SUVs in which it is applied today, including cars.
GM will invest some $246 million in the next-generation hybrid system and a manufacturing site for the motors, and will announce the new site and specifics later this week.
In the future, electric motors might become as important to GM as engines are now. By designing and manufacturing electric motors in-house, we can more efficiently use energy from batteries as they evolve, potentially reducing cost and weight—two significant challenges facing batteries today.
—Tom Stephens
Green Car Congress
=> GM To Manufacture Electric Motors; First GM Motors Will Go Into Next-Gen Two-Mode Hybrid in 2013.