depolarizer

[ dee-poh-luh-rahy-zer ]

noun

1. a substance added to the electrolyte of an electric cell or battery to remove gas collected at the electrodes.

Example Sentences

Fuller Bichromate Cell.—In the bichromate cells or the chromic acid cells, bichromate of soda, or bichromate of potassium, is used for the depolarizer, water and sulphuric acid being added for attacking the zinc.

From Project Gutenberg

This very common form of cell is an example of the single fluid type, with a solid depolarizer surrounding the negative element; the latter is generally carbon, the positive element being zinc.

From Project Gutenberg

The depolarizer will take care of a limited amount of the hydrogen produced when the cell is on closed circuit, but if the circuit be closed for any length of time polarization occurs.

From Project Gutenberg

A substance employed in some types of cell to combine with the hydrogen which would otherwise be set free at the positive electrode and cause polarization.43 The chemical used for this purpose may be either in a solid or liquid form, which gives rise to several types of cell, such as cells with a single fluid, containing both the acid and the depolarizer, cells with a single exciting fluid and a solid depolarizer, and cells with two separate fluids.

From Project Gutenberg

This depolarizer is placed on the market in the form of crystals, known as sulpho-chromic salt, made by the action of sulphuric acid upon chromic acid.

From Project Gutenberg