Automotive Engineering - February 2023 - 7

TECHNOLOGY REPORT
less energy dense than the most advanced
nickel-rich cells, but makes up
for reduced range with lower cost, excellent
safety and durability - and no
cobalt or nickel whatsoever.
Add it up and BMW said its nickelrich
cells will boost driving range by
30%. With the company's highest-stamina
EVs currently delivering more than
300 miles (483 km) of EPA-rated range,
a 30% jump would let these high-performance
machines cover roughly 400
miles (644 km), addressing both range
and recharging anxieties. And with batteries
responsible for a jaw-dropping
40% of the cost of every BMW EV, according
to the engineers, the new cells
and other efficiencies will cut BMW's
battery costs by 50% at the pack level,
they claimed. That raises renewed
hopes for the " price parity " between
EVs and conventional ICE models that's
been promised but has proven elusive
in showrooms.
With its nextgeneration
EV
architecture, BMW
will transition away
from the prismatic
battery-cell format
(rear) to more
energy-dense
cylindrical cells.
AE Yura Corporation Ad 0622.qxp_1/2 Page Horizontal 5/11/22 4:37 PM Page 1
There's more in it for consumers. The
Neue Klasse will match Tesla, Hyundai
and Kia with a robust 800-volt architecture,
for 30% faster DC fast charging at
rates well beyond 200 kW, versus a
maximum of 150 kW in current models
such as the i4.
For a company that projects having
10 million EVs on the world's roads by
2030, the efforts can't come too soon.
While Tesla has struggled to bring its
large-format cells to mass production,
BMW is confident it can scale up from
laboratory to showroom, beginning
with a pilot battery plant in Parsdorf,
Germany. On the environmental front,
the company claims the cells can deliver
a 60% cut in CO2 emissions over
their full lifecycle.
Schuster said that effort extends into
the very ground, via partnerships with
lithium, nickel or graphite suppliers, and
by developing robust supply chains (including
in North America's free-trade
zones) that barely exist today. Those supply
chains suddenly have every automaker
scrambling to set up shop here:
President Biden's bipartisan infrastructure
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AUTOMOTIVE ENGINEERING
February 2023 7
HV
Junction Block
YBSA
( YURA Battery
Sensing Assembly )
HV
Charging Coupler
VCMS
( Vehicle Charge
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BMW
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Automotive Engineering - February 2023

Table of Contents for the Digital Edition of Automotive Engineering - February 2023
