A novel approach to wave energy harvesting has been developed using a rolling-mode triboelectric nanogenerator with multi-tunnel grating electrodes and opposite-charge enhancement. This innovative system is designed to efficiently capture and convert mechanical energy from ocean waves into electrical energy. The nanogenerator features a sophisticated design that maximizes surface area contact, enhancing the efficiency of energy conversion. By employing multi-tunnel electrodes and opposite-charge amplification, the device demonstrates improved performance in generating electricity from wave movements. This technology represents a significant advancement in the field of renewable energy, providing a sustainable and environmentally friendly method for harnessing ocean energy. Researchers are optimistic that such developments will contribute to the broader adoption of wave energy as a reliable and clean source of power.