Lithium Batteries – Lithium Secondary Batteries – Lithium All-Solid State Battery | Inorganic Solid-Electrolyte Cells

The chapter is dealing with practical solid-state batteries that already made the leap into application or at least into a working prototype. The first of its kind was a primary solid-state Li-iodide battery in the late 1960s. However, we will focus on secondary battery types. Initially, an overview is given about the different types of solid-state batteries and what is the motivation behind their development. State of the art lithium ion cells are already advanced in their technology and production. However, solid-state batteries enable the chance to drastically increase safety and energy density. Subsequently, the challenges in scaling-up the production of solid-state batteries are highlighted. In the subsequent chapter, focus is laid on selected practical cells based on different inorganic solid electrolytes. Sulfide electrolytes gained much attention due to their promising properties. Therefore, different companies developed prototype cells for potential use in electric vehicles. Already commercially available, but attracted less public attention, are oxide-based MLCC solid-state batteries. Their potential field of application lies in IoT and wearable devices.