This article explores the reasons why lithium batteries are wrapped in plastic, highlighting the protective, insulating, and safety functions of the wrapping. It discusses the materials used, safety considerations, and environmental impacts, emphasizing the importance of understanding these factors in the context of battery usage and disposal. The article also addresses future trends in lithium battery technology and the ongoing innovations in plastic materials.

Lithium-ion batteries have revolutionized the energy storage industry, powering everything from smartphones to electric vehicles (EVs) and renewable energy systems. However, not all lithium-ion cells are created equal. Two of the most common cell formats are prismatic and cylindrical cells. While both serve as building blocks for lithium-ion batteries, they have distinct characteristics that make them suitable for different applications. This article explores the differences between lithium prismatic cells and cylindrical cells, shedding light on their respective advantages and drawbacks.