Influence of conduction shape factor in subterranean cooling for a thermoelectric energy harvesting system at asphalt pavement: An experimental investigation

Author(s):  
Khairun Nisa Khamil ◽  
Ahmad Nizam Isa ◽  
Azdiana Md Yusop ◽  
Mohd Faizul Mohd Sabri
2013 ◽  
Vol 772 ◽  
pp. 731-734
Author(s):  
Shi Zhong Guo ◽  
Kai Xie ◽  
Ying Hao Ye ◽  
Xiao Ping Li

This paper presents a ultra low voltage resonant converter for thermoelectric energy harvesting.A key challenge in designing energy harvesting system is that thermoelectric generators output a very low voltage (-0.3V~0.3V). Therefore, a power converter is used to boost the output voltage of the energy transducer and transfer energy into an energy buffer for storage. The converter operates from input voltages ranging from-500mV to-60mV and 60mV to 500mV while supplying a 4.2 V DC output. The converter consumes 88μW of quiescent power, delivers up to 1.6 (1.8) mW of output power, and is 65(67)% efficient for a-100mV and 100mV input, respectively.


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