High-charged power battery

Abstract

The invention relates to a high-charged power battery. A positive plate (13), a modified composite diaphragm (15) and a negative plate (14) are superposed to form a pole group; a lug (22) of the polegroup is firmly riveted together with a pole (19) through a rivet (4), a riveting piece (21) and a spring pad (20); the pole groups having poles riveted are locked together via threads by an insulating spacer (11), a sealing ring a (9), a battery upper cover (3), a sealing ring b (10), an insulating red spacer (7), an insulating blue spacer (8), a metal spacer (6) and a nut (5); and the pole groups comprising the upper cover are assembled in a battery case (1), a joint (16) between the battery case (1) and the battery upper cover (3) and a joint (18) between the battery case (1) and a lower cover (2) are respectively sealed and welded by laser or argon arc welding, the battery upper cover is assembled with a gas valve (12), the assembly portion (17) is sealed and welded by laser or argon arc welding, and the battery contains an electrolyte.

Description

technical field [0001] The invention relates to the field of chemical power sources, in particular to a high-charge power battery. Background technique [0002] Compared with primary batteries, secondary batteries have higher capacity and higher output power, but generally have greater self-discharge. Even if secondary batteries are not suitable for use after charging, self-discharge will occur if they are left for a period of time, and self-discharge The rate is higher. Nickel-cadmium battery is a kind of battery with excellent high-current charging and discharging characteristics, which can work normally in a wide temperature range and is safe, reliable and long-lived. It has a wide range of uses in railway equipment, aerospace, power tools, emergency lighting and other fields, but ordinary High-quality nickel-cadmium batteries have a large self-discharge, and the monthly self-discharge rate is about 20%. In some occasions such as Antarctic scientific research, underwate...

AI Technical Summary

Problems solved by technology

[0002] Compared with primary batteries, secondary batteries have higher capacity and higher output power, but generally have greater self-discharge. Even if secondary batteries are not suitable for use after charging, self-discharge will occur if they are left for a period of time, and self-discharge higher rate

Nickel-cadmium battery is a kind of battery with excellent high-current charging and discharging characteristics, which can work normally in a wide temperature range and is safe, reliable and long-lived. It has a wide range of uses in railway equipment, aerospace, power tools, emergency lighting and other fields, but ordinary The nickel-cadmium battery has a large self-discharge, and the monthly self-discharge rate is about 20%.

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