Soft-pack battery cell: light weight and flexible innovation main content Material properties Soft-pack battery cells are encapsulated in aluminum-plastic film (with a thickness of 80-150μm), and are composed of a nylon layer, an aluminum foil layer and a polypropylene layer. Its weight is 40% lighter than that of steel shell battery cells, and its energy density can reach 300Wh/kg. However,…
Square cell: The king of energy density and integration main content Material innovation The square battery cell adopts an aluminum alloy shell (with a thickness of 0.8-1.2mm), and the internal electrode sheets are made by lamination process. The filling rate of active substances is as high as 98%, and the energy density exceeds 250Wh/kg. Under the lithium iron phosphate (LiFePO₄)…
Cylindrical cell: a model of standardization and high magnification main content Structural characteristics Cylindrical battery cells are packaged in steel or aluminum shells, with diameter specifications mainly concentrated in standardized sizes such as 18650 (18mm×65mm), 21700 (21mm×70mm), and 4680 (46mm×80mm). Its wound electrode sheet design forms a uniform current distribution through the helical stacking of three layers of materials –…
Packaging types: cylindrical, square and soft pack cells main content In the field of lithium batteries for motorcycle starting, the choice of packaging type has a significant impact on the performance, safety and service life of the battery. At present, common packaging types include cylindrical cells, prismatic cells and pouch cells. Each packaging type has its unique structural, material and…
Shell sealing technology of lithium batteries for motorcycle starting main content As the core power unit of the ignition system of internal combustion engines, the sealing technology of the casing of the lithium battery for motorcycle starting directly determines the battery’s waterproof, dustproof, shockproof performance and long-term cycle stability. Under complex working conditions such as high temperatures, vibrations, and rain…
Shell material of motorcycle starter lithium battery main content The selection of casing materials for motorcycle starting lithium batteries is crucial to the overall performance and safety of the batteries. Common shell materials include plastic, metal and composite materials, each of which has its unique advantages and application scenarios. Plastic shell Material properties: Plastic casings typically use high molecular materials…