Lithium Batteries

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Lithium Batteries 1

Si la batería de su bicicleta eléctrica tiene una duración mucho menor que la normal, no se carga o se apaga después de un tiempo durante el uso, entonces significa que debe reemplazarla

Lithium-Ion battery FAQ

How does it work?

Like any other battery, a rechargeable lithium-ion battery is made of one or more power-generating compartments called cells. Each cell has essentially three components: a positive electrode (connected to the battery’s positive or + terminal), a negative electrode (connected to the negative or − terminal), and a chemical called an electrolyte in between them. The positive electrode is typically made from a chemical compound called lithium-cobalt oxide (LiCoO2) or, in newer batteries, from lithium iron phosphate (LiFePO4). The negative electrode is generally made from carbon (graphite) and the electrolyte varies from one type of battery to another—but isn’t too important in understanding the basic idea of how the battery works.

Why does my battery die?

Just like other types of rechargeable battery lithium-ion batteries will age a tiny little bit with each charge/discharge cycle due to chemical reactions inside the cell itself. Thus, manufacturers usually specify endurance in load cycles. Generally speaking, a load cycle is a full cycle of charging and discharging all cells of a battery. If you only run down 20 % of your battery’s capacity and recharge it afterwards this would thus only be considered a fifth of a load cycle.

High quality batteries will last for anywhere between 500 and 1,000 load cycles. While only a few years ago the average life expectancy of a battery was around two years improvements in technology and manufacturing have resulted in a much higher average life expectancy of three years or more these days. NiMH batteries have the edge over lithium-ion batteries since they will often last for several thousand load cycles. A battery is considered worn once its actual capacity has fallen to less than 80 % of its specified capacity.

 

 

 

 

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