Figure 1 (IMAGE)

Tohoku University

Figure 1

Caption

Prototype coin-cell magnesium battery with the newly developed amorphous oxide cathode powering a blue light-emitting diode (LED). Since more than 2.5 volts are required to light the LED, this demonstrates that the battery generates sufficient voltage and can deliver power to an external circuit. 

Credit

©Tomoya Kawaguchi

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