Connecting battery cells in series is a pretty straightforward process, but there are some key elements that should be understood before doing so. To connect lithium-ion batteries in series, all you have to do is connect the positive connection of the first cell to the negative connection of the next one.
When lithium cells or batteries are wired in parallel, the current is split between all power sources in the group. To connect any two power sources in parallel, simply connect all positive connections together and all negative connections together. We hope this article helped you learn more about how to wire lithium-ion batteries in parallel.
Cathode sheet and anode sheet will be punched and stacked into pouch which will be folded with separator into cell. During Lithium Ion battery assembling process, first of all positive electrode (anode) is stacked on negative electrode (cathode), then pressed several times until electrode materials are firmly contact with each other.
Quality control is a cornerstone of the lithium battery pack assembly process. At every stage, inline testing and inspection stations meticulously verify the integrity of the cell connections, ensuring that each weld or bolt meets the highest standards for electrical conductivity and mechanical strength.
The journey begins with a rigorous cell selection process, where individual lithium-ion cells undergo meticulous testing to ensure consistent quality and performance. Manufacturers measure critical parameters such as cell voltage, capacity, and internal resistance, carefully sorting and grading the cells to eliminate potential imbalances.
Connecting the BMS: B- Terminal: Connect to the main negative (-) terminal of the battery pack. B+ Terminal: Often already connected internally; check your BMS specifications. B1 (or B0): Connect to the most negative point (first cell's negative terminal). B2, B3, ...: Connect sequentially to the positive terminals of each cell in series.