Jelly roll

The inside of a Nickel-metal hydride battery, showing the jelly roll design. The labeled components are: 1. positive terminal 2. outer metal casing (also negative terminal) 3. positive electrode 4. negative electrode with current collector (metal grid, connected to metal casing) 5. separator (between electrodes)


Relates toTCJelly roll
SourceWikimedia Commons
LicensePublic domain


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