They are a specialized kind of electrolytic cell designed so that motion of the MET, which causes movement ( convection ) in the liquid electrolyte, can be converted to an electronic signal proportional to acceleration or velocity.
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Cottrell then moved to Leipzig University where he studied with Wilhelm Ostwald, undertaking a theoretical study of the effect of the counterflow of an electrolyte on the migration of ions through a diaphragm in an electrolytic cell.
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Applications include use as anodes in electrolytic cells for producing free chlorine from saltwater in swimming pools, in electrowinning of metals, in printed circuit board manufacture, electrotinning and zinc electro-galvanising of steel, as anodes for cathodic protection of buried or submerged structures.
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Other metals, which during the processing of the target metal have been reduced but not deposited at the cathode, sink to the bottom of the electrolytic cell, where they form a substance referred to as " anode sludge " or " anode slime ".
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A rechargeable battery, such as a AA NiMH cell or a single cell of a lead-acid battery, acts as a galvanic cell when discharging ( converting chemical energy to electrical energy ), and an electrolytic cell when being charged ( converting electrical energy to chemical energy ).
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However, as the ideal saline concentration of a salt-chlorinated pool is very low ( < 3, 500ppm, the threshold for human perception of salt by taste; seawater is about ten times this concentration ), damage usually occurs due to improperly-maintained pool chemistry or improper maintenance of the electrolytic cell.
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The "'Polarograph "'uses an electrolytic cell consisting of an electrode or microelectrode small area, generally of mercury drop type, which is a very fine capillary tube through which mercury flows slowly, which comes in the form of small droplets, which fall on the same surface of a much broader element, which is the other electrode.
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Both these disadvantages can be avoided by utilising renewable resources, i . e, hydroelectric power, solar heating, conversion of sunlight directly into electricity via photovoltaic cells ( solar cells ), energy from windmills, waves at sea, hydrogen gas produced by sunlight acting on suitable electrolytic cells, or natural gas produced from the decay of animal or vegetable waste.
