- Development of Battery-Free Motion Sensors and Integrated Ultra-Small High-Power Hybrid Energy Harvesting Technology -

- Expected to Provide Perpetual Independent Power for Wireless IoT in Trains, Ships, Cars, etc. -

Professor Jae Yeong Park's research team from Kwangwoon University's Department of Electronic Engineering has developed an eco-friendly, semi-permanent hybrid energy harvesting technology. This technology efficiently harvests electricity from low-amplitude aperiodic vibrations and shocks generated during vehicle operation and integrates a battery-free motion sensor. This system can monitor the vehicle's operating conditions in real-time and continuously monitor the vehicle's interior environment, including temperature, humidity, and air quality, wirelessly without a battery.

The research was supported by the Ministry of Science and ICT, the National Research Foundation of Korea (NRF) under the Mid-Career Researcher Program (NRF-2020R1A2C2012820), the Ministry of Trade, Industry, and Energy's Industrial Technology Innovation Program (RS-2022-00154983, Development of Autonomous Power Sensor Platform for Low-Power Sensors and Actuators), Hyundai Motor Company’s industry-academia joint research support project, and Kwangwoon University’s internal research fund. The research results were published in the world-renowned energy journal Nano Energy by Elsevier (Impact Factor: 17.6).

https://doi.org/10.1016/j.nanoen.2024.109793

(From left: Professor Jae Yeong Park and first author Dr. Trilochan)

Demonstration of vehicle interior environment monitoring IoT using a high-power ultra-small hybrid energy harvesting device based on vehicle vibrations and shocks.