NEW TECHNOLOGY TO CLEAN SOLAR BATTERIES

STATIC ELECTRICAL METHODS TO CLEAN SOLAR BATTERIES

Massachusetts Institute of Technology (MIT) developed an electrostatic method that helps solar battery dust-free, eliminating the need to constantly clean the solar cell with water.

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Simulation of MIT's waterless solar cell cleaning method. Photo: MIT

According to MIT, solar cells will experience a significant reduction in output if dust accumulates on the surface. This means they need to be cleaned regularly. Experts estimate that washing solar panels consumes about 10 billion gallons of water each year.

MIT's method of cleaning solar cells without water uses electrostatic repulsion to effectively drive dust particles away from the surface of the battery. To activate the system, an electrode in the form of a metal rod is guided across the surface of the solar panel, transferring an electrical charge to the dust particles.

OPERATION MECHANISM

The system can be operated automatically using a simple electric motor and guides along the side of the solar cell.

Test to remove dust on the surface of solar cells by electrostatic repulsion. Video: MIT

Water cleaning accounts for about 10% of operating costs of solar plants. MIT's new system could reduce this cost. Helps improve overall power output by enabling more frequent automatic cleaning.

Test to remove dust on the surface of solar cells by electrostatic repulsion. Video: MIT

Water cleaning accounts for about 10% of operating costs of solar plants. MIT's new system could reduce this cost. Helps improve overall power output by enabling more frequent automatic cleaning.

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