Answer to Question #120689 in Inorganic Chemistry for Yuki

Question #120689
What alternatives are there to Li-ion batteries and what are their advantages and disadvantages?
1
Expert's answer
2020-06-12T07:32:09-0400

Advantages

  • High energy density - potential for yet higher capacities.
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  • Does not need prolonged priming when new. One regular charge is all that's needed.
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  • Relatively low self-discharge - self-discharge is less than half that of nickel-based batteries.
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  • Low Maintenance - no periodic discharge is needed; there is no memory.
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  • Specialty cells can provide very high current to applications such as power tools.

Limitations

  • Requires protection circuit to maintain voltage and current within safe limits.
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  • Subject to aging, even if not in use - storage in a cool place at 40% charge reduces the aging effect.
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  • Transportation restrictions - shipment of larger quantities may be subject to regulatory control. This restriction does not apply to personal carry-on batteries.
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  • Expensive to manufacture - about 40 percent higher in cost than nickel-cadmium.
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  • Not fully mature - metals and chemicals are changing on a continuing basis

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