Tech Briefs Magazine - February 2022 - BT-8

Overcoming Challenges and
Boosting Productivity for
EV Battery and
E-Axle Testing
A
8
fter more than a century
of the world's automotive
systems
being powered and
driven by gasoline and
diesel internal combustion
engines, the irreversible transition
to electric vehicles (EVs) is underway.
All the major global automotive car and
truck manufacturers are committed to
transitioning the bulk of their vehicles to
full electric transport by the mid-2030s. As
a result, the performance and efficiency of
the EV's battery pack and its electric motor
powertrain (the e-axle) now makes them
two of the most critical vehicle systems.
An EV's battery pack is much more than
just a power storage unit. It's a complex system
composed of batteries in modules or
sub-packs, combined with advanced wiring
technology and sophisticated battery management
systems (BMS). This enables the
storage and fast movement of power in two
directions: discharge to the powertrain and
other EV systems, and efficient and repeated
recharge, capturing energy from regenerative
braking of the vehicle as well as fully
recharging from charging stations.
Critical Need: Testing and
Verification of Battery and
E-Axle Performance
As with conventionally powered models,
electric vehicles are rated for their
energy efficiency and operating range on
a charge by the Environmental Protection
Agency. This operating range is a critical
performance metric used by vehicle manufacturers,
industry experts, and consumers
to assess the value of an EV and
to compare different makes and models.
Most critically, as more and more vehicle
buyers seriously consider purchasing allBattery
& Electrification Technology, February 2022

http://info.hotims.com/82318-801

Tech Briefs Magazine - February 2022

Table of Contents for the Digital Edition of Tech Briefs Magazine - February 2022

Tech Briefs Magazine - February 2022 - 1
Tech Briefs Magazine - February 2022 - Sponsor
Tech Briefs Magazine - February 2022 - Cov1
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