// NODE 07 · BATTERY · 10 indexed
Every cell,
decoded.
The chemistries racing to store the frontier — energy density, fast-charge and whether they're actually in a car yet. Real cell specs, primary sources, zero hype.
0
all-solid cells in a customer's car
301 Wh/kg
QuantumScape QSE-5 (measured)
375 Wh/kg
Factorial FEST · road-testing
175 Wh/kg
CATL Naxtra sodium-ion (mass-prod)
// Spec comparison
Who's ahead,
by the numbers.
Compared on energy density (wh/kg) — the leader is lit in green. Higher is better.
// Energy density (Wh/kg) · sources: quantumscape.com · catl.com · factorialenergy.com · amprius.com · electrek.co · cnevpost.com
// The index
Battery index
The full roster — search, filter, or sort any column. This table is the database on display.
| Cell | Maker | Chemistry | Density | Charge | Status | Year | What it's for |
|---|
// — shown · full sourced index is free & open
// Timeline
What just happened
The milestones that moved this node, most recent last.
2024
Semi-solid reaches the road
NIO/WeLion mass-produce a 150 kWh semi-solid pack for the ET7 — only a few hundred built.
360 Wh/kg, 1,055 km
2025
QuantumScape ships B-samples
QSE-5 anode-free Li-metal cells go to automakers for validation — measured, not projected.
301 Wh/kg, <15 min
H1 2026
Sodium-ion goes mainstream
CATL Naxtra debuts in the Changan Nevo A06 — first mass-production Na-ion EV; BYD Blade 2.0.
Na-ion 175 Wh/kg
Jun 2026
Solid-state enters a real car
Factorial's FEST cells integrated into a Dodge Charger Daytona development vehicle for road testing.
375 Wh/kg
● 2027-28
All-solid targets production
Toyota, Samsung SDI and QuantumScape target first commercial all-solid cells — none in a customer car yet.
0 in cars today
◊ Sourced from primary docs
Every figure here is drawn from primary/authoritative sources: quantumscape.com · catl.com · factorialenergy.com · amprius.com · electrek.co · cnevpost.com. Volatile counts move fast — the Newsroom tracks changes as they happen.