Spot welding of 18650 cells with nickel strip

Spot welding of 18650 cells with nickel strip
The world is moving away from fossil fuels and will one day go completely electric. In today's world, lithium-ion is the most promising chemical of all batteries. Most battery packs used in laptops, RC toys, drones, medical devices, power tools, electric bicycles, and electric cars (EVs) are based on 18650 batteries. It is one of the most mature Li-ion formats available, is produced in high volume and enjoys a low cost per Wh.
To make the battery, you need to connect the 18650 cells together via nickel strips or thick wire. Generally, nickel strips are widely used for this. There are generally two types of nickel strips available in the market: nickel steel strips and pure nickel strips. I suggest you buy a pure nickel. It is slightly more expensive than nickel-plated steel, but has much lower strength. Low resistance means less heat generation during charging and discharging, resulting in longer useful battery life.

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