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Real-World Problem
Electric vehicles (EVs) are critical for cutting urban air pollution and greenhouse-gas emissions, yet range anxiety and long charging times remain major barriers to mass adoption. Even the fastest public chargers require drivers to stop for 20–40 minutes, creating congestion at charging stations and discouraging people who travel long distances or operate commercial fleets. Larger batteries add cost, weight, and environmental impact. A solution that lets EVs charge while moving would remove the need for frequent stops and reduce battery size, helping EVs compete with petrol vehicles on convenience and price.
Gaps in Current Solutions
Current infrastructure focuses on stationary charging—either slow home charging or expensive high-power DC fast chargers. Battery-swap stations exist but require extra logistics and standardisation. None of these options provide continuous, automatic energy transfer during normal driving, so vehicles must still carry oversized batteries to cover worst-case range.
Proposed Solution
Install dynamic wireless charging lanes: specific road segments with high-efficiency inductive coils embedded beneath the asphalt.
•Vehicle Side: A flat receiver plate mounted under each EV automatically aligns magnetically to collect energy while the car is in motion.
•Smart Control: Roadside systems detect vehicles, activate only the coil sections directly underneath, and bill the correct amount of electricity in real time.
•Grid Integration: Power can come from the local grid or roadside renewable micro-grids with battery storage to balance demand.
Who Benefits
•Drivers & Fleet Operators: Continuous top-ups mean smaller, cheaper batteries and virtually unlimited range for delivery trucks, buses, and private cars.
•Cities & Governments: Reduced need for large charging stations and less peak-time grid strain.
•Environment: Smaller batteries require fewer raw materials, lowering the carbon footprint of EV production.
Why This Matters to Me
As someone excited about clean transportation, I see many friends hesitate to buy EVs because of charging hassles. A road that charges cars as they drive feels as natural as street lighting—an infrastructure upgrade that could accelerate the shift to sustainable mobility.
Technical Details
The system uses resonant inductive coupling capable of transferring tens of kilowatts across a 15–20 cm road surface gap. IoT sensors manage coil activation and communication with vehicle billing systems. Pilot deployments could begin with fixed-route buses or delivery fleets, where predictable paths simplify early construction and data collection.
