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by jrabone
5004 days ago
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No, I expect they'd need to be specially designed for it, with a number of compromises (gas venting/replenishment) along the way. Battery technologies tend to have a limiting internal resistance that determines the maximum discharge rate, although in many cases the maximum SAFE discharge rate is much lower - traditional lead acid will allow you draw so much current that the plates buckle and the acid boils... It's all down to the chemistry, and every technology has different characteristics and weaknesses - for example, any secondary cell involving nickel or zinc has to deal with the tendency of these metals to grow dendrites when plating out of solution (ie. the recharge case) - this is what bursts a regular AA cell if you try to recharge it using DC. There are simple workarounds, and although the regular dry cell design is not optimal for recharging it can be done. It also causes the memory effect in NiCd cells, and explains why they can sometimes be recovered with a large pulse of charging current (local melting of the dendrites). |
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