Lithium Iron Phosphate (LFP) vs. Lithium Titanate (LTO)
Comparing 2 standards across 9 specifications. 9 key differences identified.
Lithium Iron Phosphate (LiFePO4 / LFP) is a cobalt-free, nickel-free lithium-ion chemistry operating at 3.2V nominal with an extraordinarily stable olivine crystal structure. LFP delivers industry-leading cycle life (3,000–6,000+ cycles) and unmatched thermal runaway tolerance (>270°C), making it the gold standard for grid energy storage (ESS), marine power, and standard-range electric vehicles.
Lithium Titanate (Li4Ti5O12 / LTO) chemistry replaces carbon graphite anodes with nanocrystalline lithium titanate. Operating at 2.3V–2.4V nominal, LTO achieves industry-record cycle life exceeding 15,000–30,000+ cycles, extreme rapid charging rates up to 10C–30C (0 to 80% in under 5 minutes), and sub-zero operation down to -40°C with near-zero SEI degradation.
Specification Comparison Table
9 Parameters| Parameter / Spec | ||
|---|---|---|
|
Nominal Cell Voltage
|
3.20 V | 2.30 – 2.40 V |
|
Gravimetric Energy Density
|
140 – 180 Wh/kg | 70 – 100 Wh/kg |
|
Volumetric Energy Density
|
320 – 420 Wh/L | 150 – 220 Wh/L |
|
Cycle Life (to 80% Capacity)
|
3,000 – 6,000+ Cycles | 15,000 – 30,000+ Cycles |
|
Thermal Runaway Threshold
|
> 270 °C | > 280 (Extremely Safe) °C |
|
Operating Temperature Range
|
-20 to +65 °C | -40 to +65 °C |
|
Self-Discharge Rate
|
< 1.5% / Month | < 1% / Month |
|
Primary Anode Material
|
Graphite / Carbon | Lithium Titanate Oxide (Li4Ti5O12) |
|
Primary Cathode Material
|
Lithium Iron Phosphate (LiFePO4) | NMC or LMO (Lithium Manganese Oxide) |