5 ms·
As I see it, this is good for low power iOT devices that are installed in remote / hard to reach areas (say underground etc. ..). A small temperature difference
by someonenice 8y ago
As I see it, this is good for low power iOT devices that are installed in remote / hard to reach areas (say underground etc. ..). A small temperature difference could produce power enough to run the device without any battery.
Heart Pacemaker require around 10uWatt and this new power source seems to provide 12uWatt for 1 cm2. If temperature difference could be maintained, then could provide a low weight, low power source that do not require changing battery.
- lostlogin 8y agoThanks. If that energy is stored in a battery or capacitor, how could it bleed off any excess charge (in your example 10 v 12uW). Is this a thing that’s is problem anywhere?
- pjc50 8y agoGetting rid of a few microwatts is never a problem. If these things behave like Peltier elements, they'll simply float their voltage up to a design maximum then stop extracting energy as the electric field balances the energy of the electrons they're trying to extract from.
- windows_tips 8y agoIs there a 5C difference anywhere in the body? Skin temperature to blood temperature, maybe?
- function_seven 8y agoThat's what I was thinking. 37°C inside vs. up to 32°C (90°F) outside and you still have enough temp gradient to produce the power. All you need to do is install this heatsink on your chest :)
- crooked-v 8y agoAnd to satisfy precedent, pipe any leftover power after running the pacemaker to a ring of white LEDs.
- markvdb 8y agoTesticles versus main body is the classical example. Sperm production and conservation just works better around 32°C. On a more practical note, I wonder how feasible a thermoelectric powered earpiece would be...
- is_true 8y agoHow does that works? For a period of time before you try to get someone pregnant you should try to keep your testicles at that temperature to get the best quality possible?