Material Innovation: First Cobalt-free Cathode Material in the Industry
SVOLT's Co-free Material has applied for
-
90 Domestic
Patents -
46 International
patents
Key Technologies of SVOLT's
NMx Co-free Material
Through cation doping, single crystal and nano network coating technology, SVOLT has greatly improved the performance of nickel-lithium ion mixing cobalt-free layered materials and cycle life, which are major problems restraining the development of cobalt-free battery.
Cation Doping Technology
• Increase Nickel Content, Reduce Nickel and Lithium Mixing
• Stable Oxygen Octahedron Structure
Single Crystal Technology
Nano-network
Coating Technology
Advantages of SVOLT’s NMX cobalt free cathode
material compared with NCM 811 material
The performance of SVOLT’s cobalt free cathode material outperforms that of NCM material in terms of thermal runaway, thousand cycles and BOM cost.
Material
Thermal Runaway (° C)
Capacity Retention of 1000 Cycles(%)
BOM Cost
NCM811
155
87
NMx
170
95
-15%
Material Innovation: Nanomesh Silicon Anode
Nanomesh Silicon Anode
20% Silicon Anode + Medium Nickel
320 Wh/kg
20% Silicon Anode + High Nickel
350 Wh/kg
Mesh Building and
Silicon Bonding Technology
Create Nano Conductive Networks to
Improve Fast Charge Performance
Si-C Integration Technology
Restrain Volume Expansion,
Increase Cycle Life
Double-Layer Coating
Technology
Create Stable Interface to
Reduce Gas Generation
High Capacity
1300-1400mAh/g
High Initial Coulombic Efficiency
90-92%
Long Cycle Life
10% Longer Compared to Similar Imported Material
Low Swelling
Low Gas Generation
4C Fast Charge
In 2025, we Will Reach 5GWh High Energy Density Cell Production Capacity with Nanomesh Silicon Anode
Material Innovation: World-leading NCMA Cathode Material
SVOLT’s NCMA material is a safe and cost effective medium-nickel material,
which has reduced the proportion of nickel.
It can withstand
4.35V high voltage
The energy density has reached
265 Wh/kg
Gas Production Reduced by
more than
25% at high temperature
The cycle performance of NCMA
cathode material is better than
NCM811
Safer
Advantages of SVOLT’s NCMA material
compared with NCM 811 material
NCMA cathode material of SVOLT can withstand 20℃ higher than NCM811 material in terms of DSC thermal stability, and can reach 50 cycles without capacity fading (99.5%)
Material
0.1C Discharge
Capacity
1C Discharge
Capacity
Capacity Retention
of 50 Cycles
Discharge Decomposition
Temperature
NCMA
203
188
99.5
248
NCM811
205
190
97.5
225
