Chapter 14
Assembly Processes for Lithium-Ion Batteries
Changhe Cao, Xiangyun Yuan, Shiyong Zhao, Yuping Wu, and Teunis van Ree
Like all other batteries, the lithium-ion battery is composed of the following parts or elements: positive electrode, negative electrode, separator, electrolyte, positive terminal, negative terminal, insulator, safety vent or valve, positive temperature coefficient (PTC), metal lid, gasket, and case or container or can. When classified according to shape, four main kinds of lithium-ion batteries can be distinguished: small cylindrical (solid body without terminals, such as those used in laptop batteries); large cylindrical (solid body with large threaded terminals); pouch (soft, flat body, such as those used in cellular ...
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