Ni-Cd rechargeable battery


Comparison between
nickel- metal hydride batteries and nickel-cadmium batteries. Nickel-metal hydride rechargeable batteries are currently the mainstream rechargeable batteries in the market. It uses nickel oxide as the anode and a metal alloy that has absorbed hydrogen as the cathode. It can generally charge and discharge more than 500 cycles. Since the raw materials do not contain mercury and cadmium, there is no need to recycle them.

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Ni-Cd rechargeable battery

Nickel-cadmium rechargeable batteries have been widely used in the early days of the public, and can be repeated about 500 times of charge and discharge, but after about 10 times of charge and discharge, a memory effect will occur; another disadvantage is that during charge and discharge, the cathode will grow cadmium Needle crystals sometimes penetrate the separator and cause internal dendritic short circuits. Because it contains cadmium, it must be recycled.

Reduce battery memory effect, choose from our parts of battery management. Heisener provides a wide range of quality parts for integrated circuits.

Nickel-cadmium battery Nickel-cadmium battery is the earliest battery type used in mobile phones, notebook computers and other equipment. It has good large current discharge characteristics, strong resistance to overcharge and discharge, and simple maintenance. The most fatal shortcoming of nickel-cadmium batteries is that if they are not handled properly during the charging and discharging process, a serious “memory effect” will occur, which greatly shortens the service life.

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The so-called “memory effect” is that before the battery is charged, the battery’s power is not completely discharged, and over time will cause the battery capacity to decrease. The small bubbles, accumulated over time, these bubbles reduce the area of ??the battery plate and also indirectly affect the battery capacity. Of course, we can alleviate the “memory effect” by mastering reasonable charging and discharging methods. In addition, cadmium is toxic, so nickel-cadmium batteries are not conducive to the protection of the ecological environment. Numerous shortcomings have made nickel-cadmium batteries basically eliminated from the application range of digital device batteries.

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