Language: 
To browser these website, it's necessary to store cookies on your computer.
The cookies contain no personal information, they are required for program control.
  the storage of cookies while browsing this website, on Login and Register.

GDPR and DSGVO law

Storing Cookies (See : http://ec.europa.eu/ipg/basics/legal/cookies/index_en.htm ) help us to bring you our services at overunity.com . If you use this website and our services you declare yourself okay with using cookies .More Infos here:
https://overunity.com/5553/privacy-policy/
If you do not agree with storing cookies, please LEAVE this website now. From the 25th of May 2018, every existing user has to accept the GDPR agreement at first login. If a user is unwilling to accept the GDPR, he should email us and request to erase his account. Many thanks for your understanding

User Menu

Google Search

Custom Search

Author Topic: The Crystal Cell Challenge  (Read 7172 times)

Offline Andy Shell

  • Newbie
  • *
  • Posts: 6
The Crystal Cell Challenge
« on: July 18, 2014, 05:59:04 PM »

A week ago I posted this video voicing the idea of a crystal cell challenge.
I don't have an award or prize for it but I thought it would be a great community direction in this field of research.

http://www.youtube.com/watch?v=IlKRMY41yaA

The idea is simple. Replace alkaline batteries in a device with crystal cells by any means necessary to make the device operate. (capacitors, joule thieves, ect.)
An easy device is a LED flashlight. (I'm currently working on this) The cells and joule thief must fit in where the batteries used to or hollow space inside the frame. Some other devices; small fan, radio, clock, timer. Knowing the required V & A is the limiting factor as crystal cells output such little power.

Any suggestions or opinions would be greatly appreciated.

Thanks!

Andy Shell

Offline Andy Shell

  • Newbie
  • *
  • Posts: 6
Re: The Crystal Cell Challenge
« Reply #1 on: August 19, 2014, 12:54:21 AM »
Small update:

I'm still working on this but bogged down by life and other projects.
Ran into a few snags and show stoppers with the flashlight I was working on running with crystal cells that fit perfectly into the battery slots but things are going well now.
It's really hard for me to work on everything atm but its all going well.

Andy

Offline plengo

  • Moderator
  • Hero Member
  • *****
  • Posts: 962
Re: The Crystal Cell Challenge
« Reply #2 on: October 09, 2015, 04:36:12 AM »
Great challenge.


Would it be acceptable a power ratio equivalent? For example I do have a cell running an LED at flat output power for 5 months measured on a computer that show its voltage.


This would win a small industrial battery in long term power summed up.


What do you think?


Fausto.