• Free shipping to mainland Spain for orders over 300€.

CARBON BATTERIES

Carbon batteries are an evolution of traditional lead-acid batteries, with higher performance and longer life. They incorporate carbon materials in the negative electrode, which provides several advantages.

A carbon battery suffers less sulphation in case of partial state of charge operation. It also has lower charging voltage and therefore higher efficiency and less corrosion of the positive plate.

A carbon battery can withstand a higher number of cycles.

Main characteristics of carbon batteries

  • Composition: Carbon batteries combine a positive electrode of lead dioxide and a negative electrode that integrates lead with carbon materials, such as graphite or graphene. The electrolyte is a sulphuric acid solution.
  • Hybrid technology in the carbon batteryCarbon incorporation in the negative electrode reduces sulphation and improves charge acceptance, especially when partially charged. This results in higher efficiency and longer life for these carbon batteries.

Advantages of buying a carbon battery

  • Longer service life: The addition of carbon reduces the formation of lead sulphate on the negative electrode, the main cause of degradation in lead-acid batteries, thus increasing their durability.
  • Better performance at partial loads: Carbon batteries are ideal for applications where a full charge is not always achieved, maintaining optimum performance even in partial states of charge.
  • Fast charging: A lead carbon battery has a higher charge acceptance capacity, allowing shorter recharge times compared to traditional lead acid batteries.
  • Energy efficiency: They operate at a lower charging voltage, which reduces energy losses and improves the overall performance of this carbon battery.

Carbon battery: Better performance

Replacing the active material of the negative plate with a lead-carbon composite can reduce sulphation and improve the charge acceptance of the negative plate.

The advantages of buying a carbon battery are:

  • Less sulphation in case of operation with partial state of charge of the lead carbon battery.
  • Lower charging voltage, resulting in higher efficiency and less corrosion of the positive plate.
  • And the overall result is a higher number of cycles in carbon batteries.

Tests have shown that the carbon batteries can withstand at least five hundred cycles with a DoD (depth of discharge) of 100%. These tests consist of a daily discharge at 10.8 V with I = 0.2 C₂₀, followed by approximately two hours of standby in the discharged condition, and then a recharge with I = 0.2 C₂₀. Some of the carbon battery manufacturers claim that they can withstand up to 2000 cycles with a DoD of 90%.