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New Battery systems => Other new battery systems => Topic started by: Paul-R on April 22, 2017, 12:57:40 PM

Title: Recharge by changing electrolyte - Electrolyte flow battery.
Post by: Paul-R on April 22, 2017, 12:57:40 PM
 New battery -recharge it by changing the electrolyte.   Electrolyte Flow Battery or Flow cell battery.
 
 A flow battery is a rechargeable fuel cell in which an electrolyte containing one or more dissolved electroactive elements flows through an electrochemical cell that reversibly converts chemical energy directly to electricity (electroactive elements are "elements in solution that can take part in an electrode reaction ...
 
 i.e. to recharge the battery, you drain the liquid and fill with another.
 
 https://en.wikipedia.org/wiki/Flow_battery (http://www.energeticforum.com/redirect-to/?redirect=https%3A%2F%2Fen.wikipedia.org%2Fwiki%2FFlow_battery)
 
 Flow Batteries | Energy Storage Association (http://www.energeticforum.com/redirect-to/?redirect=http%3A%2F%2Fenergystorage.org%2Fenergy-storage%2Fstorage-technology-comparisons%2Fflow-batteries)
 
 New type of ?flow battery? can store 10 times the energy of the next best device | Science | AAAS (http://www.energeticforum.com/redirect-to/?redirect=http%3A%2F%2Fwww.sciencemag.org%2Fnews%2F2015%2F11%2Fnew-type-flow-battery-can-store-10-times-energy-next-best-device)
 
 https://cleantechnica.com/2015/06/21...kdown-looming/ (http://www.energeticforum.com/redirect-to/?redirect=https%3A%2F%2Fcleantechnica.com%2F2015%2F06%2F21%2Fflow-battery-vs-tesla-battery-smackdown-looming%2F)
 
 
 
 The question is: Can we get it together to build one for ourselves?
Title: Re: Recharge by changing electrolyte - Electrolyte flow battery.
Post by: dieter on April 22, 2017, 01:57:29 PM
Interesting, thanks.
Title: Re: Recharge by changing electrolyte - Electrolyte flow battery.
Post by: profitis on July 07, 2017, 01:34:08 PM
"The question is: Can we get it together to build one
for ourselves?"

Take a solution of Na2SO3 + NaOH + formaldehyde, shove two electrodes inner it.one electrode a piece blackened nickel and the other electrode a piece blackened silver.hold the silver close to the surface of electrolyte so it can access air.the only thing u ever haveto replace is the electrolyte after a long while
Title: Re: Recharge by changing electrolyte - Electrolyte flow battery.
Post by: Paul-R on July 08, 2017, 05:19:26 PM
Quote from: profitis on July 07, 2017, 01:34:08 PM
"The question is: Can we get it together to build one
for ourselves?"

Take a solution of Na2SO3 + NaOH + formaldehyde, shove two electrodes inner it.one electrode a piece blackened nickel and the other electrode a piece blackened silver.hold the silver close to the surface of electrolyte so it can access air.the only thing u ever haveto replace is the electrolyte after a long while
Interesting - What is the output?
Title: Re: Recharge by changing electrolyte - Electrolyte flow battery.
Post by: Gotwe on July 08, 2017, 05:37:06 PM
Is there a way of recycling the used electrolyte?
Title: Re: Recharge by changing electrolyte - Electrolyte flow battery.
Post by: profitis on July 08, 2017, 10:45:17 PM
The output can be pretty strong if you use rongalite c in solution or any highly reducable species compatible with alkaline environment and you have to play with those electrodes depthwise until you get to the max.rongalite c solution won't be easily recycled after air oxidation so must be disposed and replaced.rongalite is a potent h2 donor