Les différences entre les batteries ternaires lithium-ion et les batteries au cobalt

Ternary lithium-ion batteries and cobalt batteries are two mainstream forms of lithium-ion batteries. They have significant differences in battery composition and performance.

In terms of composition:

• Ternary batteries use lithium cobalt nickel manganese oxide (NCM) as the positive electrode, composed of cobalt, nickel and manganese.
• Cobalt batteries only use cobalt elements in the positive electrode, which is lithium cobalt oxide (LiCoO2).

In terms of performance:

• Ternary batteries have larger capacity, faster charging speed and longer cycle life. But their safety is slightly worse than cobalt batteries.
• Cobalt batteries have smaller capacity, slower charging speed but longer cycle life and higher safety as they are less likely to catch fire.

In terms of applications:

• Ternary batteries are more suitable for devices requiring high capacity, such as phones, comprimés, etc..
• Cobalt batteries have a wider range of applications, such as electric vehicles and electric bikes where safety is a priority.

In summary, ternary batteries have better cost-effectiveness but slightly lower safety, while cobalt batteries are more reliable but costly. Both have their own advantages and disadvantages. The choice depends on weighing the application scenarios. With technological advances, the safety of ternary batteries is also improving continuously.

The above covers the main differences between ternary lithium-ion batteries and cobalt batteries in terms of composition, performance and applications. Both are mainstream forms of lithium-ion batteries with their own application prospects in different fields.

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