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| There are 7 entries in the glossary. |
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| Efficiency | For a secondary cell, the ratio of the output on discharge
to the input required to restore it to its initial state of charge under
specified conditions. Can be measured in ampere-hour,voltage, and
watt-hour efficiency. |
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| Electrochemical Couple | Active materials within a cell that provides
electrical energy storage through an electrochemical reaction. |
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| Electrode | An electrical conductor through which an electric current
enters or leaves a conducting medium. It can be an electrolytic solution,
solid, molten mass, gas, or vacuum. For electrolytic solutions, many
solids, and molten masses, an electrode is an electrical conductor at the
surface of which a change occurs from conduction by electrons to
conduction by ions. For gases and vacuum, the electrodes merely serve
to conduct electricity to and from the medium. |
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| Electrolyte | A chemical compound which, when fused or dissolved in
certain solvents, usually water, will conduct an electric current. All
electrolytes in the fused state or in solution give rise to ions which
conduct the electric current. |
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| Electropositivity | An element with a large electropositivity will
oxidize faster than an element with a smaller electropositivity. |
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| Energy density ( Specific Energy ) | These two terms are often used
interchangeably. "Energy density" refers mainly to the ratio of a
battery's available energy to its volume ( watt hour/liter ). "Specific
energy" refers to the ratio of energy to mass ( watt hour/kg ). The energy
is determined by the charge that can be stored and the cell voltage ( E=qV ).
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| Energy Output Capability | Expressed as capacity multiplied by the
voltage, or watt-hours. |
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Glossary
V2.0 |
