DTCC Research Team (IMAGE) The University of Hong Kong Caption Dr Tony Shien-Ping Feng of the Department of Mechanical Engineering at the University of Hong Kong (HKU) and his team (from left to right: Wang Xun, Huang Yu-ting and Mu Kai-yu), invented the Direct Thermal Charging Cell (DTCC), which can convert low-grade heat to electricity. Credit @The University of Hong Kong Usage Restrictions Please credit @The University of Hong Kong when using the image. License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.