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The Electrochemical CO₂ Capture and Utilization (eCCU) technology integrates the capture and conversion of CO₂ in one streamlined process. By leveraging renewable energy and using a catalyst within an electrolyzer, CO₂ captured from flue gas can be efficiently converted into high-value fuels and chemicals such as carbon monoxide, formic acid, and alcohols. This innovative approach not only reduces the cost of carbon capture but also represents the first electrochemical solution to achieve "capture and utilization" simultaneously.

The process of electrolyzing CO₂ to produce syngas involves using CO₂ gas and H₂O from the electrolyte as raw materials. Under the influence of electrical energy, CO₂ and H₂O receive electrons on the surface of the cathode catalyst within the electrolyzer, converting into syngas (a mixture of CO and H₂). Simultaneously, water decomposes into O₂ at the anode catalyst by releasing electrons. A membrane in between the electrodes ensures that the produced gases do not mix.

As an important raw material, synthesis gas can be further converted into high value-added chemicals, such as synthetic oil and synthetic wax, through Fischer-Tropsch synthesis. Traditional synthesis gas is mainly produced from fossil fuels such as coal, oil and natural gas.

ENERKE uses electrochemical method, CO₂ as carbon source, H₂O as hydrogen source and green electricity, to capture carbon without heating, which is efficient and cost-saving, allowing eCCU in one step.

The integrated process of CO₂ capture and electrolysis is consisted of four modules: feed gas enrichment, electrolyte circulation, product separation and electrochemical reaction, and complete the direct conversion of low-concentration CO₂ in flue gas. The electrolysis process is safe and environmentally friendly, with low material costs.

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