lithium batteries are required to have a protection circuit which can add $ 1.00– $ 1.25 to
the cost of the battery. Eliminating this circuit has an immediate effect on the bottom-line.
Research is centering on fi nding a replacement for the cathode electrode in conventional
lithium-ion cells. Not only is the commonly used lithium cobalt oxide very expensive,
but also it accounts for much of the potential instability of a lithium-ion battery. Other
cathode materials that are being explored include nickel, magnesium, and nickel ...
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