Materials for rechargeable batteries
Purification catalyst for air pollution, deodorant filter manufacturer
Purification catalyst for air pollution, deodorant filter manufacturer
Anode is one of the four materials that are typically used for rechargeable batteries and especially used for electric vehicles and IT products. The next-generation rechargeable batteries based on active anode materials have a broad range of applications, including electric vehicles, energy storage systems (ESS) and space and aviation, beyond digital devices.
The four primary components of a lithium-ion battery are the positive
and negative electrodes, separator and electrolyte.
It also includes a conductive additive, binder, case,
packaging material and safety feature (protection circuit).
The electrolyte serves as the medium that enables the movement
of lithium ions. The separator prevents direct contact
between the positive and negative
In sum, during the charge cycle, lithium ions (Li +)
and electrons (e-) move from the positive electrode to the negative (-) electrode.
When the battery is discharging, the lithium ions (Li +)
and electrons move back to the positive electrode.
The use of rechargeable batteries is expected to expand to
wider areas, including ESS and electric vehicles, beyond small
IT devices.
Accordingly, high capacity, efficiency and price competitiveness
become more important than ever.
| Type | Artificial graphite | Natural graphite | Low-crystalline carbon | Metal |
|---|---|---|---|---|
| Structure |  |
 |
 |
 |
| Cell capacity | 208~360 mAh/g | 360~370 mAh/g | 160mAh/g | 100mAh/g |
| Surface area | 1m²/g | 3~8m²/g | 2~5m²/g | - |
| Lifetime | High | Low | Middle | Very low |
| Price | 15$/kg | 10$/kg | 12$/kg | 60$/kg |
| A domestic company | - | Posco Chemtech | GS Caltex | - |
| A foreign company | Hitechi Chemical JFE Chemical |
Shanghai Shanshan BTR Energy |
Nippon Carbon JFE Chemical |
3M Mtsui |