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− | • A lead battery is made up of a set of accumulators./cells. The nominal voltage of an accumulator/cell is approximately 2.1 V, and so a 12-V battery consists of six accumulator/cell mounted in series and connected by welded lead. (A series of cells connected in series, or parallel is called module) The accumulators/cells are fitted/packed in a plastic container and sealed with a lid. | + | • A lead battery is made up of a set of '''accumulators./cells'''. The nominal voltage of an accumulator/cell is approximately 2.1 V, and so a 12-V battery consists of six accumulator/cell mounted in series and connected by welded lead. (A series of cells connected in series, or parallel is called module) The accumulators/cells are fitted/packed in a plastic container and sealed with a lid. |
− | • Each accumulator comprises pairs of positive and negative electrodes (plates) connected in parallel, with a separator in between each pair. | + | • Each '''accumulator''' comprises pairs of '''positive and negative electrodes''' (plates) connected in parallel, with a separator in between each pair. |
− | • The separators are generally rectangular sheets, inserted between the positive plates and the negative plates, and have the following important characteristics: | + | • The '''separators''' are generally rectangular '''sheets''', inserted between the positive plates and the negative plates, and have the following important characteristics: |
o they serve/act as perfect electrical insulators. | o they serve/act as perfect electrical insulators. | ||
o they are highly permeable to ions carrying electrical charges. | o they are highly permeable to ions carrying electrical charges. | ||
o they have excellent resistance to sulfuric acid, | o they have excellent resistance to sulfuric acid, |
• A lead battery is made up of a set of accumulators./cells. The nominal voltage of an accumulator/cell is approximately 2.1 V, and so a 12-V battery consists of six accumulator/cell mounted in series and connected by welded lead. (A series of cells connected in series, or parallel is called module) The accumulators/cells are fitted/packed in a plastic container and sealed with a lid. • Each accumulator comprises pairs of positive and negative electrodes (plates) connected in parallel, with a separator in between each pair. • The separators are generally rectangular sheets, inserted between the positive plates and the negative plates, and have the following important characteristics: o they serve/act as perfect electrical insulators. o they are highly permeable to ions carrying electrical charges. o they have excellent resistance to sulfuric acid,
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