THE SCALABLE SILICON SOLUTION FOR LI-ION BATTERIES

THE
NEED
IN A
NUTSHELL

Existing Li-ion battery advancements have been leveling off.

In short, we need more energy at lower costs. EVs will drive further, consumer electronics will last longer, and grids will store more renewable energy.

The good news:
a step-up change in performance is available thanks to one of the most abundant resources on earth.
Silicon.

Silicon
4,200 mAh/g
Graphite
375 mAh/g

Silicon has 10X the capacity of graphite, the standard anode material.

This lets us make batteries with thinner electrodes for higher energy density.

So, while batteries are currently made this way:
Graphite Anode
Metal Oxide Cathode

250 Wh/kg
GRAVIMETRIC
ENERGY DENSITY

$190/kWh
CAPACITY COST

They can now be made like this:
VS.
Silicon Anode
(A-SiFx™)
Metal Oxide Cathode

~350 Wh/kg
GRAVIMETRIC
ENERGY DENSITY

THEORETICAL MAX,
40% IMPROVEMENT

$90/kWh
CAPACITY COST
210% IMPROVEMENT

Utilizing silicon in place of graphite is a notoriously difficult problem. A successful integration is akin to solving a Rubik’s Cube – achieving one trait compromises others and requires fine tuning that most material companies do not have.

We tackle silicon’s numerous issues using surface functionalization technology. This heavily patented platform technology allows us to controllably alter silicon’s properties at its most intimate interfacial dimension—the surface where it meets electrolyte and lithium. This allows us to influence the interaction with the other materials in the anode to optimize its performance in the cell in ways that were previously cost-prohibitive.

IMPROVING BATTERY PERFORMANCE ACROSS THE BOARD FOR:

Transportation

Consumer Electronics

Energy Storage Systems