[Blabber] Boosting the voltage from a lemon juice battery.

Guan Yang guan at yang.dk
Wed May 15 20:40:27 UTC 2013


You're talking about a charge pump. That's possible, yes, but involves either manual charging or building a mildly complicated oscillator.

On Wed, May 15, 2013 at 4:39 PM, Matthew Duepner
<matthewduepner14 at gmail.com> wrote:

> Could you use the lemons to charge a higher voltage cap, which when
> discharged would output a greater voltage?
> On May 15, 2013 4:26 PM, "Guan Yang" <guan at yang.dk> wrote:
>> Then I would just try tons of lemons in series. Maybe try different fruits
>> to find the highest voltage per volume. Lime?
>>
>> On May 15, 2013, at 16:19, Matthew Duepner <matthewduepner14 at gmail.com>
>> wrote:
>>
>> awesome.  I do want her daughter to understand and I also don't want it to
>> look like I did the project for her.  So nothing to complex.  The fewer the
>> components the better
>> On May 15, 2013 4:15 PM, "Guan Yang" <guan at yang.dk> wrote:
>>
>>> Well if the goal is solely to generate a high voltage, there are tricks.
>>> Special flyback transformers, I have a few. You could potentially have
>>> hundreds of volts. (But again, very little current!)
>>>
>>>
>>> On Wed, May 15, 2013 at 4:13 PM, Robert Diamond <rmd6502 at gmail.com>wrote:
>>>
>>>> Joule Thief - the more windings to the coil, the higher the voltage!
>>>>
>>>>
>>>> On Wed, May 15, 2013 at 1:10 PM, Matthew Duepner <
>>>> matthewduepner14 at gmail.com> wrote:
>>>>
>>>>> My chem teacher recently asked me if I would be able to help her make
>>>>> something that is like a battery but not a battery.  I suggested super caps
>>>>> of course, but later found out that it needs to be something her daughter
>>>>> can make since it is part of one of her homework assignments.  I suggested
>>>>> making a lemon juce battery.  I also said I would look into ways of
>>>>> increasing the output voltage with electrical components since the goal of
>>>>> the exercise is to see who can construct a battery that generates the
>>>>> highest voltage.  I have a few ideas but was wondering if anyone had any
>>>>> suggestions that would not be too complex.  Sorry for the long email, but I
>>>>> thought the story was worth sharing.
>>>>>     -Matthew
>>>>>
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