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As one of the new energy batteries, nickel hydrogen batteries have received high attention from the new energy battery industry. However, whether it is lithium-ion batteries, fuel power batteries, or nickel hydrogen batteries, they all have their own advantages and disadvantages. So what are the advantages and disadvantages of nickel hydrogen batteries? The advantages and disadvantages of batteries are revealed through comparison between different types of batteries. Let's take a look together below.

1. Advantages of nickel hydrogen batteries compared to lead-acid batteries and nickel cadmium batteries:

(1) In terms of energy density, nickel hydrogen batteries have a larger capacity than lead-acid batteries and nickel cadmium batteries;

(2) In terms of discharge rate, a discharge current of 15C can be achieved in high current discharge, but nickel cadmium batteries and lead-acid batteries cannot achieve this;

(3) In terms of environmental protection, lead-acid batteries and nickel cadmium batteries both cause pollution to the environment, endangering the health and development of animals and humans, while nickel hydrogen batteries are relatively environmentally friendly and have little pollution to the environment;

(4) In terms of battery life, nickel hydrogen batteries have a longer lifespan than nickel cadmium and lead-acid batteries;

(5) Nickel cadmium batteries have a significant memory effect, lead-acid batteries are prone to sulfurization and passivation, while nickel hydrogen batteries have a very small memory effect;

2. Disadvantages of nickel hydrogen batteries compared to lead-acid batteries and nickel cadmium batteries:

(1) In terms of production and manufacturing costs, nickel hydrogen batteries are relatively expensive;

(2) The self discharge performance is relatively poor, which means that the self discharge current is relatively large;

(3) Due to its high energy density, it has poorer safety performance compared to nickel cadmium batteries and lead-acid batteries;

3. Advantages of nickel hydrogen batteries compared to lithium-ion batteries

(1) In terms of production cost and technological maturity, nickel hydrogen batteries have lower costs and more mature technology;

(2) In terms of battery cell consistency, nickel hydrogen batteries have better control and higher consistency than lithium-ion batteries;

(3) In terms of safety performance, due to the relatively low capacity density of nickel hydrogen batteries, they are less prone to safety accidents such as smoke and explosion;

(4) In terms of raw materials, nickel hydrogen batteries have more abundant resources, while lithium-ion batteries are relatively scarce;

4. Disadvantages of nickel hydrogen batteries compared to lithium-ion batteries

(1) In terms of cycle life, nickel hydrogen batteries are shorter than lithium-ion batteries;

(2) Nickel hydrogen batteries have relatively low energy density and short battery life;

(3) In high current discharge, i.e. rate discharge, lithium-ion batteries can achieve discharge above 45C, while nickel hydrogen batteries can achieve discharge around 15C;

(4) In terms of space utilization, nickel hydrogen batteries are fixed cylindrical, while lithium-ion batteries can be soft coated with aluminum film, and their shapes can be diversified to fully utilize the space in the product battery compartment;

(5) In terms of low-temperature performance, the discharge performance of nickel hydrogen batteries is much worse than that of lithium-ion batteries;

(6) In terms of fast charging performance, nickel hydrogen batteries are far inferior to lithium-ion batteries. For example, lithium-ion batteries produced in battery manufacturing can achieve fast charging of 3 to 5C, while nickel hydrogen batteries have better fast charging of 1C, which means that the charging time of nickel hydrogen batteries is much longer than that of lithium-ion batteries.

The above is a brief overview of the advantages and disadvantages of nickel hydrogen batteries by battery technical engineers who are engaged in battery research and development and manufacturing. In fact, the advantages and disadvantages of nickel hydrogen batteries can only be reflected by comparing them with different types of batteries, rather than simply comparing their own properties.

Other knowledge and information related to nickel hydrogen batteries:

High current discharge high rate nickel hydrogen battery

What are the differences in charging methods between lithium-ion batteries and nickel hydrogen batteries?

Ranking of domestic nickel hydrogen battery manufacturers

How to calculate the charging time of nickel hydrogen batteries?

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