1. International
Institute for Carbon-Neutral Energy Research (WPI-I2CNER) and ‡Department of Mechanical
Engineering, Kyushu University, 744 Motooka, Nishi-ku, Fukuoka 819-0395, Japan
2. CREST, Japan Science and Technology Agency, 744 Motooka, Nishi-ku, Fukuoka 819-0395, Japan
3. School
of Engineering, The University of Edinburgh, King’s Buildings, Robert
Stevenson Road, Edinburgh EH9 3FB, United Kingdom
4. Tianjin
Key Lab of Refrigeration Technology, Tianjin University of Commerce, Tianjin
City 300134, P.R. China