The difference between a high-rate battery and an ordinary battery is the charge and discharge capacity and speed. In particular, the discharge characteristics are highlighted. The charging current of the high-rate battery is very large, which can reach 3C, which greatly shortens the charging time. Of course, high-rate batteries require special materials and processes, which costs expensive and sells expensive. The discharge current is much larger than ordinary batteries. Like some power tools, the instantaneous current is very large, and ordinary lithium batteries cannot output high current at all, so high-rate lithium batteries must be used.
The difference between high-rate batteries and ordinary batteries is whether they can support fast charging. If an ordinary battery is charged quickly, it is easy to cause lithium precipitation at the negative electrode, resulting in accelerated performance degradation of the lithium battery. In severe cases, it may cause a short circuit inside the battery, causing a fire and explosion. Most consumer applications only require a 1C battery. If you need a higher discharge rate and faster charge time, then a high-rate battery is better choice. With the development of various industries, higher discharge and faster charging requirements are put forward for batteries, which in turn promotes the technical improvement and application of high rate batteries.
Advantages of high rate lithium batteries:
- Excellent high-current discharge performance, sufficient explosive power, high discharge platform, and long cycle life;
- High energy density and adopts lamination process, because of its small internal resistance, it is more conducive to rate charge and discharge, and high-efficiency output performance;
- Provide a higher discharge rate, up to 45C, better temperature stability during discharge, controlled within 65℃, to prevent overheating and damage;
- Lithium batteries are ultra-thin, small in size, and extremely light in weight. They can be made into special-shaped batteries of various shapes and capacities, and the thickness can reach 0.45mm.
At present, high-rate batteries are widely used in aerial photography drones, agricultural plant protection drones, emergency start-up power supplies, model aircraft, power tools and other products that require high rate discharge.
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