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HP-420

Category: Silicon carbon negative electr
Description: HP-420 is a kind of spherical silicon-carbon composite product based on three-dimensional conductive network. It has many advantages, such as excellent rate performance, long cycle life, low expansion rate and high first-time Coulomb efficiency. It is suitable for fast charging and discharging applications in consumer electronics, and has excellent power density in power batteries.

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Description
HP-420 is a kind of spherical silicon-carbon composite product based on three-dimensional conductive network. It has many advantages, such as excellent rate performance, long cycle life, low expansion rate and high first-time Coulomb efficiency. It is suitable for fast charging and discharging applications in consumer electronics, and has excellent power density in power batteries.



Item

Units

Internal Control Index

Typical

Value

Methods

Tap Density

g·cm-3

0.8±0.1

0.81

Vibrating density meter

Specific Surface Area

m2·g-1

4±0.5

3.9

N2suction / desorption

Specific Capacity

mA h·g-1

420±5

425

 

Blue power test system

German Braun glove box

0.02 C, 0.005-2 V

Initial Coulombic Efficiency

%

90±1

90.3

 

Particle Size (D50)

D(10)

μm

6±2

7

Mastersizer 3000

Laser particle size analyzer



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