Hard Carbon Precursor
Hard carbon precursor is one of the key materials for producing high-performance hard carbon.
By selecting suitable hard carbon precursors and optimizing the production process, hard carbon materials can be produced with excellent performance as negative electrode materials for sodium ion batteries.
ACC hard carbon precursors include coconut shell based and bamboo based material.
APPLICATIONS
Coconut Shell Based Hard Carbon Precursor
It is one of the earliest industrialized hard carbon precursors. The appropriate carbon content provides sufficient carbon source for the production of hard carbon; the natural pore structure helps to form a specific pore distribution in subsequent processing, improving the performance of hard carbon.
However, the coconut shell in China for porous hard carbon precursor production mainly relies on the imports, and its output is insufficient to meet the needs of battery industrialization; so there is a certain degree of risk for consistent raw material supply.
Bamboo Based Hard Carbon Precursor
The rich fiber structure of bamboo affects the microstructure of hard carbon to a certain extent. This structure can give the hard carbon precursor good porosity and mechanical strength, forming a channel that is conducive to the transmission of ions. Bamboo contains an appropriate amount of carbon and other elements and chemicals that are conducive to the formation of hard carbon.
As a renewable resource, China is the country with the abundant of bamboo resources in the world, which provides reliable raw material and cost guarantees for the large-scale production and application of bamboo hard carbon precursors. As a renewable resource, it is conducive to sustainable development, and also provides reliable raw material and cost guarantee for the large-scale production and application of hard carbon.
| Specifications | Values | Units |
|---|---|---|
|
Fixed Carbon |
70 min. ; 80 min. ; 90 min. |
% |
|
Volatile Content |
7-10 |
% |
|
Moisture |
5 max. |
% |
|
Ash Content |
5 max. |
% |
|
Particle Size |
D50 6-8 μm; 2-6mm or customized |
– |
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