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The difference lies in the way the electrolyte is fixed and penetrates inside the battery. AGM is an ultra-fine glass fiber partition used for absorbing electrolyte and supplying oxygen through a composite channel. Colloidal batteries use colloidal silica to fix the electrolyte.

The AGM type battery uses a pure sulfuric acid aqueous solution as the electrolyte, with a density of 1.291.3g/cm3. Most of it exists within the fiberglass membrane, and there is also a portion of electrolyte absorbed outside the electrode plate. In order to provide a channel for the oxygen precipitated from the positive electrode to the negative electrode, it is necessary to maintain a 10% pore space in the diaphragm that is not occupied by the electrolyte, that is, a lean liquid design. The electrode group adopts a tight assembly method to ensure that the electrode plate fully contacts the electrolyte. At the same time, in order to ensure sufficient battery life, the electrode plates should be designed to be thicker, and the positive grid alloy should be made of Pb&rsquo- Q2w Srr -- A1 quaternary alloy. AGM sealed batteries have less electrolyte, thicker electrode plates, and lower utilization efficiency of active substances compared to open cell batteries. Therefore, the discharge capacity of the battery is about 10% lower than that of open cell batteries. Compared to today's colloidal sealed batteries, their discharge capacity is slightly smaller.

Compared to batteries of the same specification, it is more expensive but has the following advantages:

The cyclic charging capacity is three times higher than that of lead-calcium batteries, and it has a longer service life.

Has higher capacitance stability throughout its entire service life.

Low temperature performance is more reliable.

Reduce accident risk and environmental pollution risk (due to 100% sealing of acid solution)

Maintenance is simple, reducing deep discharge.

Colloidal lead-acid battery adopts gel electrolyte, and there is no free liquid inside. Under the same volume, the electrolyte has large capacity, large heat capacity, and strong heat dissipation ability, which can prevent general batteries from being prone to thermal runaway; Low electrolyte concentration results in weak corrosion of the electrode plate; The concentration is uniform and there is no electrolyte stratification phenomenon.

It has the following characteristics:

1. Gas phase silica is used to prepare high-quality colloids, with evenly distributed electrolyte and no acid stratification phenomenon.

2. The electrolyte is in a fixed state of gel, which is not flowing and has no leakage, so that all parts of the plate react evenly.

3. Adopting tight assembly technology, it has excellent high rate discharge performance.

4. Excessive electrolyte, large thermal capacity of the battery, strong heat dissipation ability, and wide operating temperature range.

5. All are made of high-purity raw materials, and the battery has a small self discharge electrode.

6. By adopting gas recombination technology, the battery has extremely high sealing reaction efficiency, no acid mist precipitation, safety and environmental protection, and no pollution.

7. Adopting special design and highly reliable sealing technology to ensure battery sealing, safe and reliable use.

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