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: 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

mAh/g

1C Discharge
Capacity

mAh/g

Capacity Retention
of 50 Cycles

%

Discharge Decomposition
Temperature

°C

NCMA

203

188

99.5

248

NCM811

205
190
97.5
225