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Advantages of NiMH batteries compared with lead-acid batteries and NiCadbatteries:

In terms of energy density, nickel-hydrogen batteriesare larger than lead-acid batteries and nickel-cadmium batteries, and the battery capacity is
In terms of discharge rate, that is, in terms of high current discharge, a rate discharge current of 15C can be achieved, but nickel-cadmium batteries and lead-acid batteries
In terms of environmental protection, both lead-acid batteries and nickel-cadmium batteries pollute the environment and endanger the healthy development of animals and humans, while nickel-metal hydride batteries are relatively environmentally friendly and have little pollution to the
In terms of battery life, the service life of nickel-metal hydride batteries is longer than that of nickel-cadmium and lead-acid
Nickel-cadmium batteries have a large memory effect, lead-acid batteries are easy to be vulcanized and passivated, and nickel-metal hydride batteries have a small memory

Disadvantages of nickel-metal hydride batteries compared with lead-acid batteries and nickel-cadmium batteries:

In terms of production and manufacturing costs, nickel-metal hydride batteries are relatively
The self-discharge performance is relatively poorthe self-discharge current is relatively
Due to the high energy density, the safety performance is worse than that of nickel-cadmium batteries and lead-acid

In terms of manufacturing cost and technology maturity, nickel-metal hydride batteries have lower cost and more mature
In terms of cell consistency, nickel-metal hydride batteries have better control and higher consistency than lithium
In terms of safety performance, due to the relatively low-capacitydensity of nickel-metal hydride batteries, safety accidents of smoke and explosion are not easy to occur;
In terms of raw materials, nickel-metal hydride batteries have more abundant resources, while lithium batteries are relatively

In terms of cycle life, nickel-metal hydride batteries are shorter than lithium
Ni-MH batteries are relatively low in energy density and relatively short in battery
In high current discharge, that is, rate discharge, lithium batteries can discharge above 45C, and nickel-metal hydride batteries can achieve about
In terms of space utilization, nickel-metal hydride batteries are fixed cylindrical, and lithium batteries can be soft-wrapped aluminum film, which can be diversified in shape and make full use of the space of the battery compartment of the
In terms of low temperature performance, the discharge performance of nickel-metal hydride batteries is much worse than that of lithium
In terms of fast charging performance, nickel-metal hydride batteries are far worse than lithium batteries. For example, lithium batteries produced by GerowBattery can achieve fast charging of 3 to 5C, while nickel-metal hydride batteries are better at 1C fast charging. , which means that the charging time of NiMH batteries is much longer than that of lithium batteries.

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