source:Geerady       date: 2022-06-17
The electrolytic solution of the colloidal battery is in a glutinous solidification between the battery pole, the negative plate and the separator, which makes the electrolyte do not flow, and has the advantages of high reliability, high charging efficiency, long service life, and long service life. At the same time, there is also a significant advantage in energy saving and reducing pollution.
In the maintenance practice, the colloidal battery was very serious after the installation of about half a year: the sidewalls and shell cover of the battery have varying degrees of bulging; the safety valve is very obvious, the battery cover surface The distribution of acid liquid traces is basically "sprayed" in a safe valve; the battery leakage causes the battery row bodies to be rusted; the safety valve cracked.
From maintenance records and on-site conditions, there is a shortage of this phenomenon:
First, the safety valve is not smooth. The safety valve has the effect of adjusting the internal air pressure of the battery, and the internal gas can be released in time. The colloidal battery is in the initial use of the electrolyte in the battery compares the "wealth", and the amount of gas during the charging process is large. If the problem of the safety valve makes the exhaust, the housing is blocked due to "flatulence" during the gas precipitation of the battery in the charging process, and even the safety valve cracked.
Second, the battery management program chip parameter design of the switching power supply system does not match the use characteristics of the colloidal battery. By comparing the bulk battery site switching power parameter setting and the unbelled battery station switching power supply parameter setting, the switching power supply manufacturers in the battery bulge site is found to make the battery full of full energy (ie, after charging is completed, use small current. Continue to charge the battery). When the battery is charged down to 10 mA / AH conversion conditions, all charge can not be converted to the floating program, and the flow rate is also possible (the current is possible in the high temperature environment). The rebound increases, and the flow rate of the continuation is generally 4 to 10 hours). In addition, the power supply of the outdoor base station is extremely powerful, and the power failure is often caused by the switching power supply to charge the battery. It also accelerates the corrosion rate of the battery electrode and the downtime of the battery. The temperature is extremely high in the battery results in a bump in the battery.
Third, the colloidal battery storage temperature sensing line is not accessed, and the system cannot achieve conversion from all-on-floating charge when the temperature reaches 40 ¡ã C. In high temperature environments, the temperature compensation function is actually increasing the total floating voltage of the battery pack, which directly leads to the final charging current of the battery that the charging current will increase, and the internal analysis of the battery is continuously affected. Gas and fever, thereby adding electrolysis of colloidal electrolyte water, causing battery drums.
Fourth, the battery ventilation condition is poor. The design of the battery cabinet is due to the full consideration of anti-theft safety, resulting in poor ventilation and natural heat dissipation ability, the temperature generated during the charging process is less diffused during charging, which also affects the housing of the battery
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