Battery technology
Solid-state vs lithium-ion
What actually changes, and why it matters for commercial EVs. Tap a layer or metric to explore.
Ions: anode → cathode · powering the vehicle
Separator + electrolyte
liquid / gel polymer
VS
Solid electrolyte
ceramic / sulphide
Cathode
high-voltage oxide
Energy density
~250 Wh/kg
~500 Wh/kg
Thermal safety
Flammable
Non-flammable
Charge speed
30–60 min
~10–15 min
HGV readiness
Now
2028–32
Tap a metric above to compare in detail
Commercial HGV deployment window
Li-ion dominates
Hybrid transition
SS scales
2025
2028
2032+