Automotive Engineering - March 2022 - 14

Michigan-based battery upstart
Our Next Energy is tackling energy
density, cost and safety with a new
approach to cell chemistries.
Exploded rendering
by Lindsay Brooke
" W
14 March 2022
hen I look at our 'toolbox,' we've got one cell chemistry
that delivers high energy density, is low cost,
but it doesn't have optimum cycle life, " veteran battery
engineer Mujeeb Ijaz noted. " And we've got
another cell that's super-good at cycle life. We realized that given
about 99 percent of EV duty cycles, we don't need a single cell
chemistry to solve all the problems. We can just use two. "
Ijaz, the founder and CEO of Novi, Michigan-based battery upstart
Our Next Energy (ONE), explained his company's unique approach to
the inseparable demands of EV range, cost and safety. ONE has developed
two complementary battery architectures. The first, called
Aries, is a structural cell-to-pack single-chemistry battery currently in
prototype testing at customers. It uses a lithium-iron-phosphate
(LFP) cell, in prismatic form factor, that eschews nickel and cobalt.
LFP has an outstanding safety reputation but underperforms nickelcobalt-aluminum
(NCA) cells in terms of energy density.
of ONE's Aries LFP cellto-pack
architecture.
ONE's more-advanced archiecture, Gemini, targets
an energy-density level of 450 watt-hours per liter. Its
unique dual-chemistry format combines a conventional
traction battery with a second chemistry to
serve as a range extender. The combination is designed
to deliver more than double the 300-miles
(483-km) driving range of a typical EV (see sidebar).
Ijaz, whose 30-year mobility career began in Ford's
fuel-cell EV program followed by stints at battery supplier
A123 and at Apple, wouldn't reveal much about
Gemini in an interview with SAE Media. " It's not LFP and
it doesn't go into thermal runaway, " he said. There is
" zero cost on the anode side because we deleted all the
graphite, which gives us more cathode volume, " he confirmed.
Manganese is one constituent cathode material
that Ijaz and his team believe will help them deliver " a
AUTOMOTIVE ENGINEERING
ONE

Automotive Engineering - March 2022

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