
1. There is no battery leakage problem, and the battery does not contain
liquid electrolyte inside, using colloidal solids.
2. Can be made into a thin battery: with a capacity of 3.6V400mAh, its
thickness can be as thin as 0.5mm.
3. Batteries can be designed into various shapes.
4. Battery can bend and deform: Polymer batteries can bend up to about 900
degrees.
5. Can be made into a single high voltage: Liquid electrolyte batteries can
only be connected in series with several batteries to obtain high voltage.
Polymer batteries, due to their lack of liquid, can be made into multi-layer
combinations within a single cell to achieve high voltage.
6. The capacity will be twice that of lithium-ion batteries of the same
size.
There are two types of specific capacity for lithium batteries, one is the
weight specific capacity, which is the amount of electricity that can be
released per unit weight of the battery or active substance; Another type is
volume specific capacity, which is the amount of electricity that can be
released per unit volume of a battery or active substance. Electricity can be
measured in Coulombs, mAh or Ah, or Faraday.
Mass to capacity ratio=capacity/mass. For batteries, the capacity is mAh
(milliampere hour), which is the current multiplied by time, and sometimes Ah is
also useful. The unit of mass is g (grams). Similarly, volume to volume ratio
capacity=capacity/volume. From Figure 4, it can be seen that polymer ion
batteries have obvious advantages in terms of weight to capacity and volume to
weight to capacity, making them the optimal choice for mobile terminal
devices.
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