Joule heat treatment method for lunar soil and application

By performing Joule heat treatment on lunar soil-based materials, an amorphous structure is formed, which solves the problems of low maturity of lunar soil resource utilization technology and reliance on earth's electrocatalysts in existing lunar exploration missions, achieving efficient catalytic activity of electrolytic aquatic hydrogen and reducing dependence on earth's replenishment in existing lunar exploration missions.

CN119753745AActive Publication Date: 2025-04-04DEEP SPACE EXPLORATION LABORATORY +1
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Patent Information

Application Number
CN202411970260.1
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-12-30
Publication Date
2025-04-04
Estimated Expiration
2044-12-30

AI Technical Summary

Technical Problem

In the existing lunar exploration missions, the lunar soil resource utilization technology is low, the process is complex, and the energy consumption is high, making it difficult to meet future needs. At the same time, the conversion of lunar water ice resources into expensive electrocatalysts carried by the earth is difficult to reduce the dependence on earth's replenishment.

Method used

The lunar-based material is treated by Joule heat treatment method. By putting a carrier containing the lunar-based material into the Joule heat treatment device, multiple vacuum and inert gas are treated alternately, and then the Joule thermal shock treatment driven by electrode power is performed under a vacuum environment to form a lunar-based material with an amorphous structure.

Benefits of technology

Through Joule heat treatment, the lunar soil-based material is transformed into an amorphous structure, which significantly improves the catalytic activity of electrolyzed aquatic hydrogen, can be used as an electrocatalyst on the moon, reduces dependence on earth's replenishment, simplifies the process and reduces energy consumption.

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Abstract

The invention discloses a Joule heat treatment method for lunar soil and application, and belongs to the technical field of lunar resource development and utilization. The method for Joule heat treatment of lunar soil comprises the following steps: fully grinding a lunar soil-based material, and placing the ground lunar soil-based material in a carrier; putting the carrier filled with the lunar soil-based material into a Joule heat treatment device, vacuumizing a reaction cavity, and then introducing inert gas; vacuumizing is repeated, inert gas is introduced for multiple times, and then the reaction cavity is vacuumized; in a vacuum atmosphere, switching on a power supply of an electrode in the Joule heat treatment device, carrying out Joule heat shock treatment on the lunar soil-based material, maintaining the temperature, and then cooling to room temperature; and repeating Joule thermal shock treatment for several times to obtain the lunar soil-based material subjected to Joule thermal treatment. The lunar soil-based material subjected to Joule heat treatment is used as a cathode catalyst for electrolyzing water to produce hydrogen, and can be used for conversion of lunar water-ice resources, so that the dependence on earth supply is further reduced, and the in-situ utilization degree of the lunar resources is improved.
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