TY - JOUR
T1 - Concept of a hybrid compression-adsorption heat pump cycle
AU - Shamim, Jubair A.
AU - Auti, Gunjan
AU - Kimura, Hibiki
AU - Fei, Shubo
AU - Hsu, Wei Lun
AU - Daiguji, Hirofumi
AU - Majumdar, Arun
N1 - Publisher Copyright:
© 2022 The Author(s)
PY - 2022/11/16
Y1 - 2022/11/16
N2 - A heat pump can produce a large amount of thermal energy for low- to moderate-temperature heating and cooling from a small amount of energy input. Although vapor compression heat pumps (VCHPs) can achieve a high coefficient of performance (COP), the lack of eco-friendly fluorocarbon refrigerants is a serious problem. An adsorption heat pump is a heat-driven heat pump that does not use fluorocarbon refrigerants but is less compact and has higher installation costs. This perspective proposes a hybrid compression-adsorption heat pump (HCA-HP) cycle that circulates a mixture of CO2 and a porous metal-organic framework (MOF) in a VCHP system. Model calculations show that the MOF-CO2 HCA-HP cycle can release heat at 50% lower pressure than the transcritical CO2 HP cycle and that the COP can be improved by developing a pair of MOFs and gases with a step-shaped adsorption isotherm and a large heat of adsorption.
AB - A heat pump can produce a large amount of thermal energy for low- to moderate-temperature heating and cooling from a small amount of energy input. Although vapor compression heat pumps (VCHPs) can achieve a high coefficient of performance (COP), the lack of eco-friendly fluorocarbon refrigerants is a serious problem. An adsorption heat pump is a heat-driven heat pump that does not use fluorocarbon refrigerants but is less compact and has higher installation costs. This perspective proposes a hybrid compression-adsorption heat pump (HCA-HP) cycle that circulates a mixture of CO2 and a porous metal-organic framework (MOF) in a VCHP system. Model calculations show that the MOF-CO2 HCA-HP cycle can release heat at 50% lower pressure than the transcritical CO2 HP cycle and that the COP can be improved by developing a pair of MOFs and gases with a step-shaped adsorption isotherm and a large heat of adsorption.
KW - adsorption heat pumps
KW - adsorption isotherms
KW - adsorption/desorption
KW - condensation/evaporation
KW - hybrid compression-adsorption heat pumps
KW - isosteric heat of adsorption
KW - porous MOFs
KW - thermodynamic modeling
KW - vapor compression heat pumps
KW - working fluids
UR - http://www.scopus.com/inward/record.url?scp=85143281169&partnerID=8YFLogxK
U2 - 10.1016/j.xcrp.2022.101131
DO - 10.1016/j.xcrp.2022.101131
M3 - Review article
AN - SCOPUS:85143281169
SN - 2666-3864
VL - 3
JO - Cell Reports Physical Science
JF - Cell Reports Physical Science
IS - 11
M1 - 101131
ER -