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September 7, 2007 7:23 PM   Subscribe

Heretofore experimental, the Japanese have now marketed a battery that is urine-rechargeable.
posted by Burhanistan (24 comments total)
 
Can a pee powered car be far behind? That would dramatically change the dynamics of road trips, among other things.
posted by louche mustachio at 7:29 PM on September 7, 2007


Some girls from my past have had those. You pee on them and it tells you if its positive or negative charge. Must work because they always seem shocked.
posted by hal9k at 7:32 PM on September 7, 2007 [4 favorites]


Sure great, but what if they start leaking?
posted by IronLizard at 7:33 PM on September 7, 2007 [2 favorites]


Excuse me, I have to see a man about my cell phone.
posted by weapons-grade pandemonium at 7:35 PM on September 7, 2007


Surely they're taking the piss.
posted by porn in the woods at 7:39 PM on September 7, 2007 [1 favorite]


"Now urine charge!"
posted by George_Spiggott at 7:56 PM on September 7, 2007 [6 favorites]


piss on!
posted by gomichild at 8:06 PM on September 7, 2007


Amazing what these whiz kids come up with.
posted by George_Spiggott at 8:07 PM on September 7, 2007 [3 favorites]


"That would dramatically change the dynamics of road trips"

fluid dynamics, you mean?
posted by Kickstart70 at 8:18 PM on September 7, 2007


Finally, guys can start tasting like 9 volt batteries, too!
posted by It's Raining Florence Henderson at 8:21 PM on September 7, 2007 [2 favorites]


I'm told it recharges fastest with Hello Kitty pee.
posted by flapjax at midnite at 8:25 PM on September 7, 2007


I pee on my employees to get them working again. That seems to work.
posted by Astro Zombie at 8:36 PM on September 7, 2007


The #1 battery!
posted by brain_drain at 8:36 PM on September 7, 2007 [4 favorites]


I understand you can buy DVDs of ladies recharging batteries. This is what I have been told.
posted by fleetmouse at 8:39 PM on September 7, 2007


Great. Our grandchildren will think a good prank to pull on someone will be to put gas in the pee tank. The more things change...
posted by ZachsMind at 8:40 PM on September 7, 2007


Shocking!
posted by Blazecock Pileon at 8:41 PM on September 7, 2007


I'm no scientist, but fshaw. You guys are actually falling for this?

From the Reghardware link:
"It’s rumoured the batteries retain their charge for up to 10 years, but they can be recharged only a limited number of times."

Thinking that these things are somehow carrying significantly more potential chemical energy than a traditional battery is, in my opinion, probably about the same as thinking that hydrogen cars can just magically run on water.

Water is about the most stable molecule on the planet, no? I.e., it doesn't have much potential chemical energy to release. So whatever energy is released is coming from the "mixture of magnesium and carbon." (Also Reghardware)

While it may "retain its charge" for ten years, that charge is . . . wait for it . . . about the same charge as any other battery.
posted by zekinskia at 8:46 PM on September 7, 2007


I just thought of something that else can be recharged with the addition of pee: Your lovelife!
posted by Astro Zombie at 8:48 PM on September 7, 2007


This reminded me of a story in the Weekly World News about Japanese people drinking their urine for health. I believed everything they ever printed.
posted by stavrogin at 8:48 PM on September 7, 2007


OK, someone has to spoil the fun. The urine is the electrolyte, not the anode or the cathode, and so does not actually "power" the cell.

On a related note, Metafilter's own Bill Beaty discussed the limitations of the "lemon battery" here.
posted by Tube at 8:49 PM on September 7, 2007


The Japanese are finally out of beta?
posted by nicwolff at 11:45 PM on September 7, 2007


The urine is the electrolyte

Yeah, isn't it actually urine activated, not urine powered?
posted by StickyCarpet at 6:23 AM on September 8, 2007


Give me a few beers and at the end of the night, damned right my urine will power generators. Fit turbines on guys as they enter bars, and no doubt the disco lights will stay on to the wee hours.

(pun intentional)
posted by Kickstart70 at 9:15 PM on September 8, 2007


""Now urine charge!"

yeessssss!
posted by celerystick at 8:42 AM on September 9, 2007


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