Automotive Engineering - September 2023 - 13

TECHNOLOGY REPORT
BATTERIES
Fully charged in six minutes?
Battery technology company Nyobolt
and UK-based design and engineering
consultancy Callum are collaborating on
a demonstration of new lithium-ion battery
tech that would permit the full
charge of a vehicle in about six minutes.
The project uses a 2-seat sportscar
based on the Lotus Elise. The Elise was
designed in the early 1990s by Julian
Thomson, who also designed the project
vehicle. The concept was developed
and executed by Callum. Thompson
now is the design director at General
Motors Advanced Design Europe,
based in the U.K.
Nyobolt provided a charging demonstration
using a 1 kWh battery in a
closed cabinet, using a simple cooling
plate to regulate battery temperature. A
data logger showed that during the
six-minute charge, the battery reached
a maximum temp of 42° C (108° F).
" We were charging initially at 12
(Celsius), so that would be a 12-minute
charge " , explained Nyobolt Vice President
of Operations and Engineering, Steve
Hutchins, " We've actually got batteries
that charge much faster than that, but for
this purpose, that's where we think is a
good sweet spot. And in terms of thermal
management, one of the advantages of
the cells is that they don't get very hot, so
we can get away with a lot less heat management
than you would think.
" We've tested those cells to over
We were too.
That's why we invented
the wave spring.
* Optimize Application Space & Weight
* Industry-Specialized Design Support
* Large Selection from Stock
* Easy to Customize
2,000 cycles and it's still above 80 percent
capacity at 12° C charging, a very
high-speed charge rate, a very minimum
degradation. Depending on your driving
style, [longevitiy] could be five years, 10
years, or 20 years. " Hutchins suggested
Crest-to-Crest® Wave Springs
Various battery form factors displayed by Nyobolt.
Request Free Samples at 847-719-5900 or smalley.com
AUTOMOTIVE ENGINEERING
AE Smalley Ad 0923.indd 1
September 2023 13
8/15/23 1:07 PM
SICK OF
COIL SPRINGS?
NYOBOLT

http://info.hotims.com/84497-707

Automotive Engineering - September 2023

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

Automotive Engineering - September 2023 - CVR1
Automotive Engineering - September 2023 - CVR2
Automotive Engineering - September 2023 - 1
Automotive Engineering - September 2023 - 2
Automotive Engineering - September 2023 - 3
Automotive Engineering - September 2023 - 4
Automotive Engineering - September 2023 - 5
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Automotive Engineering - September 2023 - 12
Automotive Engineering - September 2023 - 13
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