Abstract

The performance data for rechargeable silver-zinc (AgZn) button cells are compared with the published performance data for commercially available rechargeable Li-ion and Li-polymer cells. The results show that silver-zinc cells offer greater capacity and energy densities over the equivalently sized rechargeable Li-ion and Li-polymer batteries. Additionally, for the two smallest sized silver-zinc batteries, there are no equivalently sized Li-ion solutions currently available. In comparison with the smallest Li-ion available, the silver-zinc cell has a 57% greater energy density, while the largest silver-zinc cell is shown to be greater by 20% over the best performing Li-ion option available. How the subcomponents and the construction of the AgZn cell affect this enhanced performance will be discussed.

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