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- เผยแพร่เมื่อ 30 ก.ย. 2024
- Clay membrane in Dual electrolyte battery
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Maybe an idea to "water" the terracotta down and then use it to dip some mesh or thin cloth or even soaking the parchment paper.
Have you tried using a very thin film of regular LDPE as a membrane? I recently saw some experiments where it seems to allow ion exchange. Not in the setting of a galvanic cell, but I dont see why it wouldnt work for that also. Looking up some data on the porosity and pore sizes it seems quite plausible. I'm a complete newbie to electrochemistry though, so I might just be missing something obvious that makes it unsuitable.
A pottery trick for rolling out flat sections is to put down two pieces of wood that are the desired thickness on either side of the clay, then roll the clay. The wood supports the rolling pin and sets the thickness.
Yes nice,... Is almost the same like we apply a electrode material for thin film electrodes. Which in that case have the thickness in the range of 0.1 to 0.2mm
In 2017 I saw a 3D printer extrude terracotta at a mini maker fair. The possibilities are many to achieve standardized thicknesses.
This solve dendrit problem in aluminium air charger with electron plating tehnik this clay I believe strong inab to deviate dendrip
Great work dear ❤
You should make a video about polymer membrane
I tried to do this with cellulose acetate but I wasnt successful and i dont know what went wrong.
nice, i wonder if this terracotta clay can be used to make a cheap fuel cell ion exchange membrane???
Well
I.like.music....and.membrane.of.course.
The Music makesthe video less serious.
I disagree
Less serious? I show easy process which can be done with easy and inexpensive materials to make a clay membrane. Many people was asking me for that video where I make a clay membrane,.... so I dont think that the music will disturb them. But I know that some people dont like music in the videos,... others again will complain, why you dont use some background music, etc. So in the end, I also respect your opinion sir.
A pasta rolling machine will give you very thin sheet of the clay
Yes,... Or some hydraulic press will also do the job really nice.
Maybe you can put something on each side that is thinner, like 1mm thick spacer that the roller rolls on top of? Maybe then you can get even higher energy density... ? Not sure how that well work.
Gg
And could it be that with that clay it has a lower self-discharge rate?
I will consult you in the future :)
Yes,.... depending on the battery and thickness of the clay.
Cycle life is what we all are hoping for with this type of membrane. Have you tested yet?
This will more depend on the chemistry which you will use. The membrane is only one part of which determines the number of cycles. Because for example,... you can get to 1000 cycles also with paper separator.
Great video.
Good explanation.👍
cool. would you say thats close to what the most professional ion exchange membranes are.
No,... the clay membrane is still a porous material. An ion-exchange membrane is a semi-permeable membrane that transports certain dissolved ions.
how about just coarse sand (SiO2) or sand paper, as the separator if any
@@gsestream Good thinking,.... I use sand or better to say a dirt mix in some of my batteries years ago for the separator. I also have some video about that which I will upload to the youtube.
@@cayrex how about something concrete as the separator
@@cayrex I mean using portland concrete mix or sio2 plaster mix, and electrolyte water to harden a solid state separator or just solid state electrolyte
this is what ive been trying to figure out nice
Nice 👍