#Battery cathode aa portable#
While electric cars and solar power systems are generally the “larger” applications of batteries, we have the small and portable set of applications as well. But the technological advancement in the last couple of decades has been tremendous. As we are searching for ways to reduce carbon emissions, the combination of renewable energy and batteries is the epicenter of all this. kelvinA has updated the log for Tetrescent.kelvinA has updated the project titled Tetrescent.kelvinA has added Tetrescent to Teti and Tetent.kelvinA has added Tetrescent to Active Projects.kelvinA wrote a comment on project log Project Log 73: DIY Endoskeleton and Exoskeleton.².lion mclionhead has updated the log for Jetson tracking cam.
#Battery cathode aa software#
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#Battery cathode aa manual#
Hackaday Podcast 235: Licorice For Lasers, Manual Motors, And Reading Resistors 1 Comment Otherwise, I see no point in doing such a thing. Would be interesting to see the same calculations on how many kWh/$ you could get from that “revolutionary paper battery” vs conventional batteries.
So, 1 kg of Cac2 will yield 11.8kJ/g x 410g = 4.838Mj of energy, or 1.343 kWh per kg.įYI, diesel yields around 12.638 kWh per kg (45.5mJ/kg)ĭiesel is around $1.596 per kg, $0.126/kWhĬalcium Carbide would be $0.637/kWh, making it 5 times more expensive, and pointless to use. And 1 kg of calcum carbide (CaC2) can generate around 0.41kg of acetylene gas. Its as if I claim I can make an engine run on just water, and omit to mention that I also use Calcium Carbide, in order to generate Acetylene gas.Ĭurrently, calcium carbide is around $856/MT, ($0.856/kg). IMHO, you should name the battery after the most expensive component/ingredient. Posted in Science Tagged aa, battery, ink, paper, science Post navigation They also don’t damage the environment as much as non-rechargable alkaline cells do, at least unless you want to go to some extreme measures to reuse them. The chemistry of this battery makes a lot of sense once you see it in action, and the battery production method also has a perk of having a long shelf life as long as the batteries stay dry. The paper is dipped into a salt solution and then allowed to dry, given a partial waterproof coating, and when it is needed it can be activated by wetting it which allows the ion flow of the battery to happen. Once the cathode ink and anode ink are made, a third ink is needed called a current collector ink which functions essentially as a wire. Each of these materials are mixed in different proportions to create the inks. The process involves the creation of a few different types of ink, each of which can be made with relatively common materials such as shellac, ethanol, polyethylene glycol, and graphite. In this particular video, he recreates a method found by researchers to turn a piece of paper into a battery with equivalent performance to a AA-sized alkaline battery. That isn’t the case for, though, who has a deep appreciation for the material and all its many uses far beyond recording information. Paper is an ubiquitous part of society so much so that the incredible engineering behind it often goes unnoticed.
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