Prussian Blue Power (PB-NB) For Sodium Battery Cathode Materials

Project

Technical indicators

Typical value

Unit

Testing method/specification

Packaging

The packaging is tight and undamaged

Qualified

/

Visual estimation

Appearance

Blue powder, no lumps

Qualified

/

Visual estimation

Particle size

D10

≥2.0

2.189

μm

BT-9300ST

Laser particle size analyzer

D50

5 ±0.5

4.935

μm

D90

≤10

8.550

μm

Dmax

≤20.0

10.83

μm

Bulk density

≥0.4

0.4192

g/cm3

BT-301

Tapped density tester

Tapped real density

≥0.7

0.7662

g/cm3

Compaction density

≥1.6

1.6700

g/cm3

True density analysis instrument

Water content

≤5

4.29

%

Mead Halogen moisture meter

（120℃)

SEM

Cube

Cube

/

Scanning electron microscope

100mA/g

Charging gram capacity

≥140

151.91

mAh/g

Half-battery

At 25℃

Discharge gram capacity

≥140

151.75

mAh/g

The first Coulomb efficiency

≥95

99.90

%

Storage conditions

The product is prone to absorbing water. For long-term storage, it should be placed in a glove box