Automotive Engineering - December 2022 - BET2

Silicon
Forging Ahead
for Higher-Performance
Battery Anodes
General Motors' new joint-research agreement with OneD underscores the
promise of silicon-anode development.
S
ilicon-infused anodes, already
widely
considered
one of the most promising
candidate technologies for
the next signifi cant performance-improvement
phase
of electric-vehicle (EV) Lithium-ion
(Li-ion) batteries, enjoyed a signifi cant
boost in September 2022, when GM and
OneD Battery Sciences revealed a joint
research and development agreement to
study the potential to use OneD's silicon
nanotechnology in GM's Ultium battery
cells. General Motors and Volta Energy
Technologies also invested in a $25-million
Series C funding for OneD, a move interpreted
by some as a vote of confi dence
that silicon-anode technology is poised to
make a comparatively imminent impact
on EV battery development.
The interest from GM is based on silicon's
ability to markedly improve the
energy density of Li-ion batteries while
at the same time reducing cost and cutting
mance-enhancement
trifecta
recharging times. It's a perforthat
has
several battery developers scrambling to
bring to volume-production scale. In addition
to OneD, companies such as Sila
Nanotechnologies,
StoreDot
and Group 14 Technologies, to name a
few, are working to perfect the materials
and manufacturing processes that will
Enevate,
StoreDot's Extreme Fast Charging (XFC)
Lithium-ion batteries with silicon-infused anodes.
(Image: StoreDot)
2
Battery & Electrifi cation Technology, December 2022

Automotive Engineering - December 2022

Table of Contents for the Digital Edition of Automotive Engineering - December 2022

Automotive Engineering - December 2022 - INTRO1
Automotive Engineering - December 2022 - SPONSOR1
Automotive Engineering - December 2022 - CVR1
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