The Magensium Air Element

VC4.4.4.3

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Description

The magnesium-air cell is a galvanic cell. It is composed of a half-cell with a magnesium electrode in a sodium-chloride-solution and a half-cell containing a membrane, which enables the use of atmospheric oxygen for the redox reaction. Since atmospheric oxygen can continuously be supplied, the magnesium-air cell is considered a fuel cell.

In this cell, magnesium is oxidized at the anode, the electrons migrate towards the cathode, drive an electrical load and finally react with oxygen. Overall magnesium hydroxide is formed under the release of electrical energy.

Components of equipment sets

1	6644081 8	Magnesium air element
1	6644071 8	Electrochemistry demonstration unit, CPS
1	301339 8	Stand bases, pair
2	571262 8	Adapter lead 2/4 mm, 30 cm, red
1	571260	Adapter lead 2/4 mm, 30 cm, blue
1	571231 8	Connecting leads 2-mm plugs, 15 cm, red
1	602010 4	Beaker, Boro 3.3, 150 ml, tall
1	665752 4	Measuring cylinder 25 ml, with plastic base
1	666967 8	Spoon-ended spatula, stainless steel, 150 mm
1	665212 4	Glass stirring rod 200 x 8 mm Ø
1	MA90204 8	Universal indicator paper pH 1...14, roll
1	ADAHCB602H	Precision Balance, 600 g /0,01g, with USB interface
1	6735700 4	Sodium chloride, 250 g
1	6753400 4	Water, pure, 1 l

Experiment Instructions

PDF (Experiment description)

C4.4.4.3 The Magensium Air Element

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The Magensium Air Element

Description

Components of equipment sets

Experiment Instructions

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