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A CO2 electrolyzer is a device that uses electricity to convert water into oxygen and hydrogen through a process known as electrolysis.
It is made up of a cathode, an anode, and a membrane. The system generates hydrogen gas via electrolysis. Across the device, electricity is supplied to the anode and cathode, causing water to split into hydrogen and oxygen.
These devices are most commonly found in fixed, portable, and transportation power production systems, such as fuel-cell-powered automobiles and portable gadgets.
The hydrogen generated by the device may be utilised for a variety of purposes and integrated into a variety of system topologies. Hydrogen is used in a variety of applications, including automobile fuelling, industrial operations, power production, and injection into natural gas pipelines.
Alkaline CO2 electrolyzers use an alkaline electrolyte, such as potassium hydroxide (KOH), and operate at low temperatures and pressures. Alkaline CO2 electrolyzers are the most mature and cost-effective type of CO2 electrolyzer, but they have lower efficiency than other types of CO2 electrolyzers.
High-temperature CO2 electrolyzers operate at temperatures above 1000 degrees Celsius. High-temperature CO2 electrolyzers are more efficient than other types of CO2 electrolyzers, but they require more expensive materials and are more complex to operate.
CO2 electrolyzers can be used to produce clean fuels, such as hydrogen and methanol, from renewable energy and CO2. These fuels can be used in a variety of applications, such as transportation, power generation, and industrial processes.
The Global CO2 Electrolyzer Market accounted for $XX Billion in 2023 and is anticipated to reach $XX Billion by 2030, registering a CAGR of XX% from 2024 to 2030.
Governments are providing financial incentives, such as grants, loans, and tax credits, to support the development and deployment of CO2 electrolyzers. For example, the U.S. Department of Energy is providing a $50 million grant to support the development of CO2 electrolyzers.
Governments are also providing regulatory support for CO2 electrolyzers. For example, the European Union has set a target to deploy 40 GW of CO2 electrolyzers by 2030.
Governments are also implementing carbon pricing schemes, which make CO2 emissions more expensive. This is making CO2 electrolyzers more competitive with traditional fossil fuel-based methods of hydrogen production.
Heliogen, a US-based company developing CO2 electrolyzers that use concentrated sunlight to split water into hydrogen and oxygen, has raised $200 million in a Series D funding round. The company plans to use the funding to scale up production of its CO2 electrolyzers and to deploy them at commercial scale.
C-Zero, a US-based company developing SOECs, has raised $25 million in a Series A funding round. The company plans to use the funding to develop and commercialize its SOECs, which are a type of CO2 electrolyzer that is more efficient than other types of CO2 electrolyzers.
Climeworks, a Swiss company developing carbon capture technology, has partnered with Microsoft to develop CO2 electrolyzer technology. The partnership is aimed at developing CO2 electrolyzers that are more efficient and cost-effective than existing technologies.
Carbon Clean, a British company developing CO2 capture and utilization technology, has raised $40 million in a Series C funding round. The company plans to use the funding to develop CO2 electrolyzer technology and to deploy it at commercial scale.
Siemens Energy’s launched the world’s first completely automated CO electrolyzer generates carbon monoxide and utilises hydrogen as a fuel for the bacteria in the bioreactor.
In synthetic photosynthesis, Evonik and Siemens Energy begin construction of a demonstration facility that uses carbon dioxide as raw material, stores energy, and can produce a variety of speciality chemicals.
Two firms are contributing essential competencies to the ‘Rheticus’ research project. Siemens Energy contributes its fully automated low-temperature electrolyzer, while Evonik, which has its headquarters in Marl, contributes its experience in biological gas fermentation.
They collaborated to create a technical breakthrough for Power-to-X technologies. Both technologies are being coupled in a first test plant after several years of upscaling.
