Chemistry Glossary

Alkaline manganese cell

Alkaline manganese cell - a type of chemical cell with a higher capacity than zinc-carbon cells and used in camera flash / motorized toys 

Battery

Battery - consists of two or more connected chemical cells

Button cell

Button cell - a type of cell in which its shape like a button

Chemical cell

Chemical cell - a device in which chemical energy is converted into electrical energy

Cycle life

Cycle life - the number of times that a secondary cell can be charged and discharged before it can no longer deliver a sufficient amount of energy

Digital multimeter

Digital multimeter - a device measuring the voltage and other readings of a circuit

Discharge

Discharge - the conversion of the chemical energy of a cell into electrical energy

Electrolyte

Electrolyte - the medium which allows ionic conduction between the two electrodes of a cell

Lead-acid accumulator

Lead-acid accumulator - a type of robust, low-costing chemical cell which stores electrical energy; often used for automotive SLI (Starting, Lighting and Ignition) applications

Lithium ion cell

Lithium ion cell - a type of chemical cell which offers the greatest amount of energy for a given size or weight of all commercial rechargeable cells and is used in mobile phones / portable electronic devices

Negative electrode

Negative electrode - the electrode from which electrons flow into the external circuit

Nickel metal hydride cell

Nickel metal hydride cell - a type of chemical cell which has a high energy density and makes use of environmentally friendly metals

Positive electrode

Positive electrode - the electrode into which electrons flow from the external circuit

Primary cell

Primary cell - a non-rechargeable chemical cell

Secondary cell

Secondary cell - a rechargeable chemical cell

Service life

Service life - the length of time a cell can remain in use, before its voltage drops to a certain value (usually 0.8 V)

Shelf life

Shelf life - the duration of storage (at 21 °C) at the end of which a cell retains 90% capacity

Silver oxide cell

Silver oxide cell - a type of button cell with small size and long life

Voltmeter

Voltmeter - a device measuring the voltage of a circuit

Zinc-carbon cell

Zinc-carbon cell - most commonly used type of chemical cells and used in torches / small radios / remote controls

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