Introduction to lithium ion batteries advantages and disadvantages
lithium ion battery has a relatively light in weight, large storage capacity, no memory effect, etc, and widely used & ndash; — Now many of the electronic devices are chose lithium battery pack as the host power supply, even if the prices relatively more expensive. High energy density lithium ion battery, its storage capacity is 1 with weight of nimh batteries. 5 ~ 2 times, and have very low self-discharge rate. In addition, the lithium ion battery has virtually no & other; Memory effect & throughout; And do not contain toxic substances such as strength and its essential reason is widely used.
a, the characteristics of the lithium battery pack
compared to the nickel metal hydride batteries, lithium batteries with high standard work voltage, large energy density, low self-discharge rate, no memory effect is more apparent. In addition, lithium batteries can be smaller and thinner, according to reports polymer lithium ion battery ultra-thin only 0. 5 mm, and the characteristics of the area at random and arbitrary shape, also greatly improve the flexibility of battery design, in order to meet the needs of the product, made into any shape and capacity of the battery.
2, the drawbacks of lithium-ion batteries
any batteries are unlikely to be a perfect, lithium battery pack is no exception, in general, lithium electricity have a weak side, can't overcharge, excessive discharge, can't afford to bear high temperature, not cold, these are its weaknesses.
lithium battery disadvantage is that the price is more expensive, so at this stage it is not can be widely used, mainly used in handheld computers, pdas, communications equipment, digital cameras, communications satellites, cruise missiles, strategic missiles, medical equipment, etc. With the development of the technology, process improvement and production has increased, the price of lithium battery pack will be reduced repeatedly, also will be more widely used.
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