-What are the battery selection techniques for the ground robot?

What are the battery selection techniques for the ground robot?
author:enerbyte source:本站 click519 Release date: 2023-02-14 14:45:20
abstract:
The battery capacity is of course the first concern, because it is directly related to the working time of the sweeping robot, and the capacity should be large. However, it is not better to be bigger, because to increase the capacity of the battery, the volume of the battery will also increase at th...

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The battery capacity is of course the first concern, because it is directly related to the working time of the sweeping robot, and the capacity should be large. However, it is not better to be bigger, because to increase the capacity of the battery, the volume of the battery will also increase at the same time, increasing the thickness and weight of the sweeper, taking into account the endurance and the overall performance of the machine. The capacity of the lithium-ion battery of the sweeper robot is mostly between 2000 and 3500 AH.

In addition to paying attention to the battery capacity, we also need to choose the type of battery. Different types of batteries have different charging and discharging times, stability, life and safety. And most of the sweepers are in charge when they are not working. The safety and stability of the battery must be considered. If overcharge occurs, it is likely to lead to fire and other accidents.

At present, several batteries commonly used by sweeping robots are:

1. Advantages of polymer lithium-ion battery: small size, light weight, no memory effect, charging on demand, low self-discharge rate. Disadvantages: The safety and stability are not as good as those of NiMH batteries, and the price is expensive.

2. Advantages of NiMH battery: high safety, good stability and low price. Disadvantages: large volume, heavy, memory effect, unable to charge quickly, high self-discharge rate

3. Advantages of lithium iron phosphate power battery: light weight, no memory effect, charging on demand, low self-discharge rate, large capacity, high humidity resistance, fast discharge with large current, long service life and environmental protection. Disadvantages: The tamping density of lithium iron phosphate cathode material is small, and the volume of lithium iron phosphate battery with equal capacity is larger than that of its lithium ion battery, so it has no advantages in miniature battery. At present, the safety of lithium-ion battery technology has developed relatively mature. Personally, I think it is more reliable to choose products with mature technology. In terms of capacity, the larger the range of industry technology, the better.

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