Here is another TEG that looks promising.
Texas Instruments bq25570 Ultra Low Power
Harvester Power Management IC
https://www.mouser.com/new/Texas-Instruments/ti-bq25570-power-management... (read more)
Here is another TEG that looks promising.
Texas Instruments bq25570 Ultra Low Power
Harvester Power Management IC
https://www.mouser.com/new/Texas-Instruments/ti-bq25570-power-management... (read more)