Truck & Off-Highway Engineering - October 2024 - 11

SINONUS
TECHNICAL INNOVATIONS
like the 12-volt system, " he said. " You
could replace it completely and, because
it's a lot smaller, you could save
some weight from that and then it depends
on how you integrate it. "
CV potential
Zetterström sees potential for developments
in electric commercial vehicles
where structures such as truck
and trailer body panels could provide
electrical storage.
" If you have the truck, for example, and
then you add the trailer, that [would] also
add extra kilowatts, " he said. " If you do
that, all of a sudden you create this flexibility
where you don't have to carry a lot
of extra weight while only driving the
truck; you can carry that on the trailer
when you add that on to carry heavier
weight. That gives you a flexibility and a
cost efficiency of commercial vehicles
that we think is extremely interesting. "
Zetterström said he recognizes that
Carbon-fiber negative electrode
Glass-fiber
separator
Carbon-fiberreinforced
positive
electrode
Structural
electrolyte
Current
collector
Renderings of the cell structure of the Sinonus battery.
there are many things that need to be
considered. Aircraft, for example, use
high-cost, lightweight materials that
could be replaced with carbon-fiber
battery structures at a similar cost.
Motor vehicles, on the other hand, often
use cheaper plastics and metals that
are likely to present more of a cost
challenge. That said, Zetterström stated
that since EVs cost around 30% more
than ICE-powered vehicles, there could
still be opportunities to reduce weight
without increasing overall cost.
There is also potential to use Sinonus
carbon-fiber batteries for electric grid
power storage. Zetterström said the
batteries could be integrated into solar
power structures or even wind turbines,
which would boost renewable electricity
capacity across the grid and benefit
overall EV charging infrastructure.
John Kendall
Electrolyte:
SBE
Current
collector
Current collector:
carbon fibers
Carbon fiber
Negative
electrode
Separator
Positive
electrode
Current collector:
carbon fibers
Coated carbon fiber
Current connector
(Al-foil)
Current connector
(Cu-foil)
6U
SERIES
9.8L
362HP
270kW
6W
SERIES
15.7L
397-512HP
296-382kW
POWER UNITS
S TANDARD | CUS TOMI Z ED | PRE -VAL I DAT ED
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Truck & Off-Highway Engineering - October 2024

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