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Mass production has commenced in Japan of this latest technology ultra-slim battery cell in a prismatic shape (non-cylindrical). This new battery has a similar life to Li-ion cells at around 500 cycles. Its slimness and light weight makes it ideal for applications such as mobile phones and computer laptop batteries where space and weight is paramount in design. The cells are constructed from a flexible, multi-layered 100 micron thick film that does not require a hard leak-proof case. The laminate has five layers; a current collecting metal foil, cathode, electrolyte, lithium foil anode and an insulator.
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