Highly Efficient Broadband Ambient Energy Harvesting System Enhanced by Meta-Lens for Wirelessly Powering Batteryless IoT Devices. - Yuchao Wang; Shi He; Yongxue Qiu; Rui-yuan Wu; Lei Wang 137; Ping Lu 016; Chaoyun Song; Qiang Cheng 002; Cheng Zhang (IEEE Internet Things J., 2024)