Trillions of metres of battery separator are sold annually for the lead-acid market and by very few players. But the oligopolies of manufacturers are simply not playing a waiting game to undercut their competition or step in should some kind of supply crisis hit. They are engaged in the same fierce R&D race to meet the stringent performance requirement that’s being asked of lead-acid if it is to hold its dominant position in the automotive world and elsewhere. Technical Editor Dr Mike McDonagh reports on how key players are rising to the . . .
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