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How do natural gas fuel cells work?

Published in Fuel Cell Technology 1 min read

Natural gas fuel cells convert the chemical energy in natural gas into electricity through a chemical reaction with oxygen. Essentially, they electrochemically oxidize the methane from natural gas to produce electricity.

Here’s a simplified explanation:

  • Fuel Source: The primary fuel is natural gas, which mainly consists of methane.

  • Electrochemical Process: Instead of burning the natural gas like in a traditional power plant, the fuel cell uses a chemical reaction to generate electricity directly.

  • Key Components: Although different types of fuel cells exist that use natural gas, they all generally consist of an anode, cathode, and electrolyte.

  • Simplified Process:

    1. Natural gas (methane) is processed to extract hydrogen.
    2. Hydrogen reacts with oxygen at the electrodes separated by an electrolyte.
    3. This reaction generates electricity, heat, and water.

In other words, a natural gas fuel cell is an electromechanical device that converts the chemical energy from the methane in natural gas into electricity through a chemical reaction with oxygen.

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