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TECHNOLOGY

OUR TECHNOLOGY

Anode as the bottleneck:

In current Li-ion battery cells, the graphite anode is the bottleneck in increasing the energy density. Silicon provides a tenfold capacity over graphite as anode material. The challenge however is to use silicon in a mechanical stable manner, as silicon swells during lithiation. Consequently, only a small percentage of silicon is used in modern composite carbon-silicon anodes, enabling a small improvement of energy density.

APPLYING SOLAR TECHNOLOGY FOR PURE SILICON ANODES

50

The increase of battery energy density (%)

10

Our anode capacity over graphite anodes

570

Number of cycles tested (thusfar)

50

The increase of battery energy density (%)

10

Our anode capacity over graphite anodes

570

Number of cycles tested (thusfar)

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