Thu. Dec 7th, 2023
    Scientists Develop Autonomous Robotic Chemist to Produce Oxygen from Martian Minerals

    Scientists at the University of Science and Technology of China have made a groundbreaking discovery by developing a fully automated robot chemist capable of producing oxygen from minerals found in Martian meteorites. This achievement paves the way for future manned missions to Mars, as astronauts would no longer be solely reliant on Earth for essential supplies.

    The challenge of sending supplies from Earth to Mars is a daunting one, both in terms of cost and feasibility. Therefore, scientists have sought alternative solutions by leveraging the natural resources available on the Red Planet. However, the scarcity of elements on Mars compared to Earth has posed significant obstacles in this endeavor.

    Through innovative research, the team led by Yi Luo has successfully overcome this hurdle. By utilizing a high-powered laser, the robotic chemist examined the chemical compositions of five Martian meteorites and identified six elements in significant quantities: iron, nickel, calcium, magnesium, aluminum, and manganese. While these elements may not be the ideal catalysts on Earth, they are readily available on Mars.

    Harnessing the power of artificial intelligence, the robot chemist was able to predict the optimal combination of these elements to create an efficient oxygen-producing catalyst. Over 200 catalysts were synthesized and tested by the robot, utilizing a briny solution and carbon dioxide as raw materials. Eventually, the robot identified a catalyst comparable to the best available on Earth a decade ago.

    The resulting catalyst can operate in temperatures as low as -37°C (-35°F), similar to those experienced on Mars, and maintain continuous oxygen production for over six days. Remarkably, calculations reveal that a room measuring three meters in height and 100 square meters in area, equipped with this catalyst on its ceiling, can generate oxygen levels comparable to those on Earth within approximately 15 hours.

    Although challenges remain in ensuring seamless integration among the various components, scientists see tremendous potential in the development of autonomous robot chemists. As Professor Ross King from the University of Cambridge explains, while designing and sending materials from Earth may still be preferred for certain scenarios, autonomous robots will prove indispensable for further exploration in the solar system, where communication is more difficult.


    Q: How did the researchers develop the catalyst for oxygen production on Mars?

    The researchers developed the catalyst by analyzing the chemical composition of Martian meteorites using a high-powered laser. They identified six elements in these meteorites, which were used to create a catalyst capable of producing oxygen.

    Q: Why was it necessary to develop a robot chemist for this task?

    The robot chemist was necessary due to the vast number of possible combinations of Martian elements. Manual testing would have taken over 2000 years, so the researchers used artificial intelligence to predict the best catalyst combination and tested over 200 catalysts.

    Q: What are the advantages of producing oxygen on Mars rather than relying on supplies from Earth?

    Producing oxygen on Mars eliminates the need to transport large amounts of supplies from Earth, which is both expensive and logistically challenging. By using Martian resources, future manned missions to Mars can become more sustainable and self-sufficient.

    Q: How long can the catalyst function in the Martian environment?

    The catalyst developed by the robot chemist can operate at temperatures as low as -37°C (-35°F), similar to those on Mars. It can continuously produce oxygen for over six days.

    Q: Can the catalyst generate oxygen levels similar to Earth’s atmosphere?

    According to calculations, a room equipped with the catalyst on its ceiling can produce oxygen levels matching those on Earth in approximately 15 hours.