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Which is better compared to lithium-ion batteries, nickel hydrogen batteries, or nickel cadmium batteries? Nickel hydrogen batteries are a combination of hydrogen ions and metallic nickel, with a 30% higher battery capacity than nickel cadmium batteries. They are lighter, have a longer lifespan, and are environmentally friendly with no memory effect. The price of nickel hydrogen batteries is much higher than that of nickel cadmium batteries, and their performance is worse than that of lithium batteries. Which is better compared to lithium-ion batteries, nickel hydrogen batteries, or nickel cadmium batteries?

The main difference between lithium-ion batteries and nickel hydrogen batteries is that lithium batteries are more suitable for use on mobile phones. However, in digital cameras, due to the high demand for current and the much higher power consumption compared to mobile phones, using nickel hydrogen batteries is better.

The design of nickel hydrogen batteries originated from nickel cadmium batteries, but there has been great progress in improving the memory effect of nickel cadmium batteries. The main change is to replace the cadmium used as the negative electrode with hydrogen storage alloys, making nickel hydrogen batteries a typical representative of material innovation. The pollution caused by nickel hydrogen batteries is much smaller than that of nickel cadmium batteries containing cadmium. Therefore, nickel cadmium batteries have gradually been replaced by nickel hydrogen batteries.

The emergence of nickel hydrogen batteries has shown the industry new hope for mobile phone batteries, as the cost of this battery technology has not increased much compared to nickel cadmium batteries, but the battery capacity has significantly improved. What makes designers very happy is that compared to nickel cadmium batteries, nickel hydrogen batteries are not only more environmentally friendly, but also have less obvious memory effects, making them an ideal alternative product.

Advantages and disadvantages of lithium-ion batteries, nickel hydrogen batteries, and nickel cadmium batteries

1. Advantages and disadvantages of lithium-ion batteries

Advantages: No memory effect, lightweight. Disadvantages: High cost, low current, and inability to withstand overcharging (compared to nickel hydrogen).

2. Advantages and disadvantages of nickel hydrogen batteries

Advantages: Low price, strong versatility, high current, environmentally friendly and stable. Disadvantages: Heavy weight, short battery life, and memory effect.

3. Advantages and disadvantages of nickel cadmium batteries

Advantages: "sturdy" and affordable; Disadvantages: Cadmium metal causes environmental pollution, has small battery capacity, short lifespan, and has a memory effect.

The working voltage of nickel hydrogen and nickel cadmium batteries is 1.2V. But the volume specific energy of nickel hydrogen is higher than that of nickel cadmium batteries. Nickel cadmium batteries have a strong memory effect, while nickel hydrogen has a very small memory effect. At the same time, nickel cadmium batteries contain heavy metal cadmium, which has been banned from use. However, due to the excellent high rate discharge performance of nickel cadmium batteries, nickel hydrogen batteries cannot yet replace nickel cadmium batteries in many electric tools.

The working voltage of lithium-ion batteries is 3.7V. The volume to energy ratio is higher than nickel hydrogen. However, due to the previous working voltage of disposable batteries and nickel hydrogen batteries being 1.2-1.5V, and the two connected in series being 2.4V-3.0V. Most electrical appliances have already established this working voltage standard. So in the field of civilian batteries, lithium batteries cannot yet replace nickel hydrogen batteries. Nickel hydrogen, nickel cadmium, and lithium-ion batteries are currently irreplaceable by other batteries in their respective fields.

In lithium batteries, all types of lithium batteries require a battery protection board, which integrates functions such as overcurrent protection, overvoltage protection, and over discharge protection. When weight becomes a key factor affecting product performance and timely battery maintenance can be carried out, using lithium batteries is a natural solution; When high power, good safety, high reliability, and economic practicality are required, nickel hydrogen batteries will have more advantages.

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