A kind of internalization process of lead storage battery

Abstract

The invention discloses an internal formation process of a lead storage battery, which belongs to the field of production of lead storage batteries and includes a first-stage formation, a second-stage formation and a capacity inspection stage. During the first-stage formation, the temperature of the water bath is controlled at 20-30°C, and the charging current The density is controlled at 3~5mA / cm 2 , the charging power is 3.5-4.0C ampere hours; in the second stage of formation, the temperature of the water bath is controlled at 40-50°C, and the discharge capacity is controlled at 0.25-0.75C ampere-hours with a current density of 0.5C ampere; with a current density of 5-15mA / cm 2 For charging, the charging capacity is controlled at 3.5-4.5C ampere-hours; during the capacity inspection stage, the temperature of the water bath is controlled at 20-30 °C, and the battery is left to cool down before the capacity inspection is performed to discharge and recharge. The invention controls the formation charging current density and formation temperature in stages, which not only improves the comprehensive performance of the battery, but also reduces the energy consumption for controlling the formation temperature, and eliminates the energy waste of water bath temperature control.

Description

technical field

[0001] The invention relates to the technical field of lead storage battery production, in particular to an internal formation process for lead storage batteries. Background technique

[0002] One of the difficulties in the internalization control of lead-acid batteries is the control of the formation temperature, which has a very important impact on the overall performance of the battery, especially the low-temperature capacity of the battery. The level of formation temperature control directly affects the low-temperature capacity of the battery. During the process of process research , it is not difficult to find that the qualified rate of low-temperature capacity of the battery is significantly different in winter and summer. The qualified rate of low-temperature capacity is high in winter and low in summer. Therefore, manufacturers will invest more in production costs in summer to control lower formation temperatures. In summer, the qualified rate of batt...

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