energy density


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energy density

[′en·ər·jē ‚den·səd·ē]
(physics)
The energy per unit volume of a medium; in the case of an electric or magnetic field, the energy needed to set up the field is thought of as residing in the field.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
Caption: Figure 6: Relationships of the rock energy density and the strain under different confining pressure conditions.
Tesla recently announced a 90 kWh battery pack with silicon-graphite anodes and is targeting 5 percent per year improvement in energy density by increasing the silicon content.
The strain energy density of a homogeneous, isotropic, and elastic material is generally represented in terms of three independent stretch invariants [23].
One approach to increasing energy density and power density is to increase surface area and thus the volumetric capacitive storage.
Bobbin-type LiSOCl2 cells feature high energy density, high capacity, and very low self-discharge rate, permitting up to 40-year operating life for certain low power applications, including RFID asset tracking devices.
Few attempts have been made to investigate whether energy density varies with fork length or geography.
Koratkar's team has demonstrated their experimental anode material could charge or discharge 10 times faster than conventional anodes without significant loss in energy density.
We hypothesized that changes of dietary energy density pre-partum can affect the energy metabolism during the transition period, thereafter influencing the response of an antioxidant to different energy density diets.
Researchers noted that reducing or eliminating the type and amount of added fat (butter or sauce) to the vegetables also was a factor in the vegetables' energy density.
Regarding performance, the objective is to progressively increase the voltage of batteries and hence their energy density. A few years ago, the average capacity of high performance batteries was 3.7V.

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