this post was submitted on 10 Jan 2024
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[–] Xavienth@lemmygrad.ml 6 points 8 months ago (2 children)

smart phones that never need to be charged

Well with an average consumption of maybe half a Watt over the course of a day, you would need 5000 of these to power your phone given they put out 100 microWatts.

[–] 201dberg@lemmygrad.ml 6 points 8 months ago (1 children)

Didn't they say in the article they had plans to release a 1watt battery in 2025? I'll be honest, I'm not good with electricity. lol

[–] RedClouds@lemmygrad.ml 8 points 8 months ago

They did, but from the sounds of it I'm guessing they're just gonna be a physically bigger one. This is a very very small battery, but produces very little energy. But easy enough to just slap a few of them together.

Unfortunately, it doesn't change the power density or anything like that.

This specific technology will never be in charge of running a smartphone or anything like that. But maybe a tweak or innovation on these radioactive batteries could get them to be a few watts and you could get a super low-powered cell phone device that could be used in emergencies only and last for like 50 years.

[–] ComradeSalad@lemmygrad.ml 2 points 8 months ago (2 children)

The average telephone uses 4.5-11 watts of energy a day. 0.5 is barely anything, flip phones maybe used that much 20 years ago.

[–] Xavienth@lemmygrad.ml 8 points 8 months ago (1 children)

You're conflating Watt-hours and Watts. Watts are a measure of power, which is energy consumption per unit time. Watt-hour is power multiplied by time, the time cancels and so it's a measure of energy. 0.5 Watts for an entire day adds up to 12 Watt-hours in a day, which is a reasonable estimate for a phone battery.

[–] ComradeSalad@lemmygrad.ml 5 points 8 months ago* (last edited 8 months ago)

My bad! You’re right!

I always hated electrical engineering and it was by far my worst subject. Sorry for not being very knowledgeable with it, thanks for the correction!

[–] MechanicalJester@lemm.ee 2 points 8 months ago

.5? The article said 100 microwatts so .0001 watts.

So wayyy worse than that.