Automotive Engineering - December 2022 - BET12

Meeting the Challenge
of Electric Vehicle
Battery Cell
Innovation
Accelerating research and development to
deliver fast-charging and longer-range
batteries is key to the future success of EVs.
F
or generations,
internal
combustion engine improvements
drove automotive
innovation. Today, batteries
are the new engine
for innovative electric vehicle
(EV) development. EV sales are forecast
to rise dramatically as deadlines for
government emission mandates approach
and consumer demand increases.
Some industry analysts are forecasting
sales to grow 15 times by 2030.
However, this growth will not happen
without an increase in the pace of scientific
and
engineering innovation.
Accelerating research and development
to deliver fast-charging and longer-range
batteries is key to the future success and
adoption of greener and more sustainable
EVs. Companies achieving scientific
and engineering breakthroughs in EV
battery cell development and manufacturing
will be the leaders of this new era.
Several challenges continue to confront
battery development. EV battery
cells remain expensive. They are high
in mass and require rare materials. The
driving distance between charges
needs to be increased. Questions remain
about long-term reusability or
recyclability. All of this means that EV
battery
cell innovation has become
automotive's moonshot.
12
The Innovation Chain
Undoubtedly, EV battery innovation is
a multifaceted problem. Advancements
in materials, cell architecture, vehicle
module and pack integration, safety,
and vehicle performance must all rise
to the challenge. The required expertise
is not found in a single design or
engineering group but is spread out
across the enterprise and among supply
chain partners.
To achieve breakthrough battery performance,
companies and their partners must
be adept at all stages between material
science, cell and pack design, vehicle integration,
and manufacturing. As part of this
process, it is critical to optimize battery
performance based on the coupled disciplines
of electrochemistry, heat transfer,
diffusion, convection, and structural integrity.
In
addition, all of the data needs to
Battery & Electrification Technology, December 2022

Automotive Engineering - December 2022

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