The development of advanced materials for energy storage and conversion has been receiving wide attention to meet the rising demand for clean energy technologies. In particular, a large effort is being devoted towards the improvement of specific properties of electrochemical devices such as rechargeable lithium-based batteries, in view of their possible application in the automotive field. Among the storage devices, rechargeable lithium-based polymer batteries, which are generally formed by a cathode and an anode capable of reversibly intercalating/de-intercalating Li+-ions and a polymer electrolyte separator, represent an excellent choice for electrochemical power sources and gained the reputation as future of energy storage [1-3]. They represent the ultimate in terms of desirable properties of Li-ion batteries because they can offer an all-solid-state construction, a wide variety of shapes and sizes, light-weight, low cost of fabrication and a higher energy density. No corrosive or explosive liquid can leak out and internal short-circuit are less likely, hence greater safety is guaranteed [4,5].
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