As the name implies, rechargeable thin-film lithium-ion battery is a secondary cell comprising intercalated lithium compound as an electrode material and built into a thinner, lighter and dense layer of solid-state lithium polymer.
The battery is a variant of lithium-ion polymer battery of conventional (also called Li-poly). What makes it a little different is that it is made of thin materials ranging from nanometers to micrometers in total thickness. You can also buy Sony 18650 battery online.
An action packed thin film Li-On battery is only about a few millimeters thick. Li-poly batteries are often available in the "pack" packaging "pockets" and therefore measure up to several centimeters.
A thin film Li-On battery consists of a substrate, electrolyte, current collectors, anode, cathode and separator. You will notice that, when compared with conventional lithium-ion batteries, there is the presence of the substrate and the current collector.
A substrate is a thin layer of ceramic material that serves as a base layer in the deposition process. The collector current is thin sheet metal that serves as a conduction path between the electrodes and an external circuit of the battery. The second new component serves as the initial layer in the manufacture of thin-film batteries.
Here is how to print thin films are basically working in the lithium-ion battery. It is called "deposition", a step-by-step process of printing film. Typical order of depositing the components in thin-film Li-On battery is as follows: substrate – the cathode current collector – cathode – electrolyte – anode – anode current collector – a protective layer.