By effectively converting waste heat into electricity,thermoelectric materials and devices can provide an alternative approach to tackle the energy crisis.Amongst thermoelectric materials,bismuth telluride(Bi_(2)Te_(3...By effectively converting waste heat into electricity,thermoelectric materials and devices can provide an alternative approach to tackle the energy crisis.Amongst thermoelectric materials,bismuth telluride(Bi_(2)Te_(3))and its derivatives exhibit high figure of merit ZT values in the near-room-temperature region and show great potential for application in thermoelectric devices.Considering the rapid development of Bi_(2)Te_(3)-based thermoelectric materials and their devices in the last few years,a short and systematic review is much needed.Here,we sum-marize the novel designs,properties,and applications of Bi_(2)Te_(3)-based thermoelectric devices in different contexts,including wearable,portable,implantable,and cross-disciplinary applications.The challenges and outlook for Bi_(2)Te_(3)-based thermoelectric devices are also considered.This work will guide the future development of Bi_(2)Te_(3)-based thermoelectric devices that target broader and more practical applications.展开更多
基金This study was financially supported by the Australian Research Council,HBIS-UQ Imnovation Centre for Sustainable Steel project,and QUT Capacity Building Professor ProgramNational Computational Infrastructure supported by the Australian Govemment is acknowledged for providing computation resources and services.
文摘By effectively converting waste heat into electricity,thermoelectric materials and devices can provide an alternative approach to tackle the energy crisis.Amongst thermoelectric materials,bismuth telluride(Bi_(2)Te_(3))and its derivatives exhibit high figure of merit ZT values in the near-room-temperature region and show great potential for application in thermoelectric devices.Considering the rapid development of Bi_(2)Te_(3)-based thermoelectric materials and their devices in the last few years,a short and systematic review is much needed.Here,we sum-marize the novel designs,properties,and applications of Bi_(2)Te_(3)-based thermoelectric devices in different contexts,including wearable,portable,implantable,and cross-disciplinary applications.The challenges and outlook for Bi_(2)Te_(3)-based thermoelectric devices are also considered.This work will guide the future development of Bi_(2)Te_(3)-based thermoelectric devices that target broader and more practical applications.
