The success of conventional lithium-ion batteries (LIBs) is attributed to the state-of-the-art organic liquid electrolyte (LE) that provides kinetically wide electrochemical window so that reversible Li insertion-extraction be possible. However, severe safety concerns relating to possible leakage of the LEs and explosion are obstacles for application of the conventional LIBs to large-scale energy storage such as electric vehicles (EVs) and energy storage systems. In this regard, all-solid-state lithium batteries (ASLB) using inorganic solid electrolytes (SE) are considered as an ultimate solution.
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