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A tiny radioactive battery could keep your future phone running for 50 years

techradar.com

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Re: A tiny radioactive battery could keep your future phone running for 50 years

#81
post #51

Earlier quoted context omitted.

They use these in pacemakers.

I'm not saying they're unsafe (I don't know that, but I do trust my national agency if they certify it). I'm saying convincing people who need a peacemaker to not die about a magic device that keep their heart beating is much easier than convincing any random person to have a radioactive phone.

Nuclear powered pacemakers were definitely a thing. http://large.stanford.edu/courses/2015/ph241/degraw2/

Re: A tiny radioactive battery could keep your future phone running for 50 years

#82
post #71

The idea of this making it into any consumer product is science fiction, and articles like this can be safely ignored. Some back of the envelope math to illustrate why: - The decay energy of Ni-63 is 66 keV, but since the energy is split with an irrecoverable neutrino, the average recoverable energy per decay is more like 17 keV. - The typical power consumption of an iPhone is about 10 watts, give or take. - Converti…

I wouldn't mind having a dumb watch with one of these batteries that would basically never need to be replaced throughout its lifetime. That would be a cool exercise to make it comsume the tiniest amount of power as possible.

My (Citizen) watch is solar powered which achieves the same effect without the nuclear complexities.

Not as cool obviously!

Re: A tiny radioactive battery could keep your future phone running for 50 years

#83
post #79

Earlier quoted context omitted.

I think you are trolling, but, in case I'm wrong, I explain the concept in other words: modern phones need a charger able to provide current to the phone battery in order of Amperes (A) the one is on my desk now is 5A and can charge the phone, let say, in 1h, to simplify, let say that we need less 1A for 1h. 1 micro Ampere is 1A divided by 1'000'000 so, to fully recharge my phone with a microampere, I need 1'000'000h…

I'm not trolling. I'll summarize in three points and stop replying because I think we're talking past each other and it's a waste of our time. 1. The use in phones is a silly illustration. You can ignore phones. No one in this thread specified a form factor or power output requirement except you to bring up counter examples for an argument I'm not even proposing. 2. The math you did makes sense, but doesn't disqualif…

1. absolutely no, the article talk explicitly of "phones and drones";

2. No, it's related to "phones and drones", I've explicitly written that this device make sense in niche application, microvolt application like "preserve the state of small amount of RAM";

3. I don't think the name matter, can be battery, generator, whatever: microamperes remain; Moreover isotope based battery isn't a new technology, you can buy these kind of battery from electronic industrial shops. EEVBlog on Youtube also did tests and debunking.

Re: A tiny radioactive battery could keep your future phone running for 50 years

#84

Earlier quoted context omitted.

100% of the people I know have a 1000W/square meter UV/VIS nuclear generator just hanging above them ...

Only half the time though.

I was about to reply "That depends where you live."

Well, DUH! Obviously if you live in the 'Land of the Midnight Sun', you have to be also living in 'The Land of the Midday Darkness'. I suppose it would pay me to engage my brain before putting my mouth(keyboard) in motion.

Re: A tiny radioactive battery could keep your future phone running for 50 years

#85
post #15

Earlier quoted context omitted.

Good thing we have removable batteries in all the phones now /s

It is coming (again) thanks to one of the largest single market on the planet making replacable batteries in portable electronics a requirement by 2027 (in 3 years time) [0]. I find it highly unlikely that there will be double production of devices for the EU market on one hand and the rest of the world on the other (and the biggest producers are not going to be pulling out of the market for obvious reasons). [0] htt…

You're ignoring the third possibility which is that, given three years to do so, the lobbyists capture the regulators like they always do.

Re: A tiny radioactive battery could keep your future phone running for 50 years

#86

Earlier quoted context omitted.

It is coming (again) thanks to one of the largest single market on the planet making replacable batteries in portable electronics a requirement by 2027 (in 3 years time) [0]. I find it highly unlikely that there will be double production of devices for the EU market on one hand and the rest of the world on the other (and the biggest producers are not going to be pulling out of the market for obvious reasons). [0] htt…

You're ignoring the third possibility which is that, given three years to do so, the lobbyists capture the regulators like they always do.

Possible. But given that they couldn't do that with the cash cow that is the ios app store[0] I won't hold my breath for it to happen with batteries.

[0] https://www.macrumors.com/2024/01/15/app-store-to-be-split-i...

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