current density

noun

Electricity.

1. the amount of current flowing through a given cross-sectional area in a given time interval: usually measured in amperes per square centimeter.

current density

noun

1. J. the ratio of the electric current flowing at a particular point in a conductor to the cross-sectional area of the conductor taken perpendicular to the current flow at that point. It is measured in amperes per square metre

Example Sentences

Higher current density capability could also enable new applications in automotive and specialty industrial lighting, while faster switching speeds could find applications in visible-light communication technologies and VR glasses.

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The paper battery achieved an open circuit voltage of 1.8 volts, a 1.0 volt current density of 100 mA/cm², and a maximum output of 103 milliwatts/cm².

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The new study shows indium has two crucial characteristics as a battery anode: an extremely low migration energy barrier, which sets the rate at which ions diffuse in the solid state; and a modest exchange current density, which is related to the rate at which ions are reduced in the anode.

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These coated particles create a homogenous surface across which the current density is evenly distributed, preventing the growth of dendrites.

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Upon carrying out electrocatalytic water splitting, the team observed that Ni-W5N4 alloy catalyzed the hydrogen evolution reaction, resulting in 10 mA/cm2 current density at a small overpotential of 11 mV.

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