Fig. 4: Device performance.
From: High-performance Ag2Se-based thermoelectrics for wearable electronics
a Open-circuit voltages (Voc) and ω of out-plane TEG with 100-Ag2Se + 0.02 wt% rGO legs evaluated at various temperature differences (ΔTs). b Voltage (V) and (c) output power (P) as a function of current (I) at various ΔTs. d Optical images of generating voltage based on the ΔT between the human body and environment (the inset is the corresponding front view of TEG and infrared thermal image). e Temperature distribution of the simulated TEG. f Continuous monitoring of the V of the human wearing the TEG at different states. g Diagram of charging supercapacitors by using the human body and powering a thermo-hygrometer and watch.
