Spark Jar

A device which produces electricity via chemical reaction.  
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The technology was developed by Dandéros Nélina in the year 1374 PN.



Spark jars are used when a mobile source of electricity is required. They provide lower voltages than fuel-based generators, but are far more portable. Depending on size and usage, a single spark jar can last between a few minutes and up to three days. It is also possible to recharge them by connecting them to an appropriate power source.


The outer shell is made of glass with a sheet of zinc lining its inner walls and folding around its outer rim. Nested inside is a smaller pot of baked clay, which in turn houses a copper rod. Both hollows are filled with acidic solutions. Finally, the jar is sealed with a wood disc drenched in Hénéphgýa resin, leaving the tip of the copper rod sticking out.
Table of Contents
Alternative name(s)
Vógó Énó
Access & Availability
research about electrochemical reactions

Cover image: by Kathrin Janowski


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