Chemistry

Battery pack

Battery pack


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Accumulator

accumulator
An accumulator (also a current collector or secondary element) is a galvanic cell, in which the reaction that occurs when the current is supplied can be reversed by subsequent electrolysis.

The lead acid battery is the oldest accumulator and is still widely used today. There are also some common accumulators that are not discussed here: Ni|Fe,Ni|CD and Ni|NiH. At higher temperatures, the N / A|S.-Accumulator of importance.

In accumulators, the anode is defined differently than in general electrochemistry. The anode can be positively or negatively charged depending on the charging or discharging process.

anode
The anode is the positive electrode in which oxidation processes take place in liquid solution, i.e. the anions (negatively charged ions) are discharged. In secondary cells, either of the two electrodes can become the anode, depending on the direction of the current flow. The negative electrode is then the anode during discharge. Similarly, when discharging, the positive electrode is the cathode


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