Recently, the Tarim Oilfield Photovoltaic Desert Highway "Zero Carbon" Demonstration Project, China's longest photovoltaic irrigation and sand control project, has generated more than 5 million kWh of green electricity. This photovoltaic highway is China's first zero-carbon desert highway, achieving the dual effects of sand control and environmental protection.
Photovoltaic highways are roads that directly lay photovoltaic power generation components that meet vehicle traffic conditions on the road surface to achieve solar power generation and other related functions. This type of road surface consists of a light-transmitting concrete pavement layer, a photovoltaic panel layer, and an insulation layer. After strict testing, the technical indicators and traffic safety factor of photovoltaic highway pavements have exceeded those of traditional asphalt pavements. As new energy vehicles become increasingly popular, the endurance problem can be solved simply by the road surface.
According to incomplete statistics, more than 20 highway groups in China have application cases, such as the "transportation + energy" composite project in Tangshan City, Hebei Province and the Biwei Expressway Distributed Photovoltaic Project in Guizhou Province.
Photovoltaic highway projects have made significant progress in scale and technology, such as road cooling functions, additional landscape functions, waste heat utilization, electricity utilization, pedestrian-road information interaction, vehicle-road information interaction, etc., but how to solve cost, maintenance, and intelligent management and other issues, thereby improving the performance of photovoltaic panels, are still issues that need to be resolved.
As the wheels roll, sunlight passes through the specially-made translucent concrete pavement, activating the photovoltaic panels hidden under the pavement. Not only do these panels convert solar energy into electricity, but that electricity is delivered to roadside storage stations that are as convenient as gas stations, providing clean solar energy to passing vehicles.
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