Chemical cells and fuel cells GapFill

When two connected metals with different reactivities are placed in an electrolyte,  an electrolysis set-upa titrationa catalysta magneta reaction profilea simple cell is made. If these are placed in series,  a strong acida batterya polymeran alkalia fuel cellan electrolyte is formed, which provides a higher  chargetemperaturevoltagepHpressurerate than a single cell.

One type of battery is  a gaseousan aqueousan alkalinea two-wayan acidica one-way battery, which produces a voltage until the chemicals are  used upgasesdemagnetisedneutralisedsolidifiedcooled. However, some cells can be  recreateddividedrechargedduplicatedthrown away safelycompressed because they contain chemicals which can undergo a reversible reaction when an external  source of heatpressureelectrical currentmagnetic fieldsource of hydrogensource of oxygen is supplied.

Fuel cells use a fuel such as hydrogen. They also take in  methanecarbon monoxidenitrogencarbon dioxideoxygenneon from the air. In these cells, hydrogen is  reducedgeneratedcooledoxidisedpolymerisedliquefied to form  watera carbohydratean acidan alkanemethanean alkali as the only product. This reaction produces  activation energya magnetic polea change in pressurean increase in entropya potential differencegreenhouse gases.