Power & Power Density

WIKI BATTERY ENERGY STORAGE & BATTERIES​

Power-Density (Batteries)
Power-Density (Batteries)

Power P & Power Density

Volumetric-Power-Density---Gravimetric-Power-Density---Specific-Power-Density
Volumetric-Power-Density---Gravimetric-Power-Density---Specific-Power-Density

Specific Power

The specific power, or gravimetric power density, indicates the charging capacity. Power tool batteries are designed for high specific power and are supplied with reduced specific energy (capacity). Figure 1 illustrates the relationship between specific energy (water in the bottle) and specific power (spout).

Lesitung-und-Energiedichte-Wikibattery.org
Figure 1: Comparison of the Specific Power and specific energy

The water in the bottle represents the specific energy (capacity); the spout that flows the water out determines the specific power.

Leistung-Leistungsdichte
Power in a hydroelectric power station

An energy storage device or battery can have high specific energy (Wh/kg) but poor specific power (W/kg), as is the case with hydrogen cells, for example, or low specific energy but high specific power, as with a supercapacitor (ultracapacitor).

Power Density

Power density is the amount of power (time rate of energy transfer) per unit volume.

Volumetric power density

For energy conversions, including batteries, fuel cells, motors, power supply units, etc., power density refers to a volume, where it is often referred to as volume power density and is expressed in W/m³ or W/L.

For energy conversions, including batteries, fuel cells, motors, power supply units, etc., power density refers to a volume, where it is often referred to as volume power density and expressed in W/m3 or W/L.

For reciprocating internal combustion engines, power density (power per displacement or brake power per cubic centimeter) is an important metric that relates to the internal capacity of the engine rather than its external size.

Specific power density

The power can also be related to the mass of the energy storage device, i.e., the power density can be expressed in W/kg, which is the specific power density.

Gravimetric power density

Special designations are specific power or gravimetric power density (which is the same).
This quantity is particularly relevant for vehicles and mobile devices, and has recently played an important role in electric mobility and electric cars.

High-power density energy storage devices

Compared to batteries, Supercapacitors (Ultracapacitor) in particular, have high-power densities. Moreover, some types of batteries can deliver high power.

Suchkonsole

Aktuelle Wiki Battery Artikel

Recycling-Lithium-Ionen-batterien
Energie & Umwelt

Recycling von Lithium-Ionen Batterien

Recycling von Lithium-Ionen Batterien WIKI BATTERY – BATTERIEN & Energiespeicher WIKI BATTERY WIKI BATTERY Recycling von Lithium-Ionen Batterien Recycling von Lithium-Ionen Batterien Recycling von Lithium-Ionen Batterien​ Ausgangslage Das Recycling von Lithium-Ionen Batterien: Das Recycling von Lithium-Ionen Batterien ist ein komplexes

Mehr dazu »
Energiestrategie-2050-160x160---Wiki-Batterie---Wikibattery.org
Gesellschaft

Energiestrategie 2050 und Energiespeicher

Energiestrategie 2050 & Energiespeicher WIKI BATTERY – BATTERIEN & Energiespeicher Suchkonsole Energiestrategie Schweiz – Update 2023 Energiestrategie 2050: Netto-Null mit erneuerbaren Energien Ab dem Jahr 2050 soll im Zuge der Energiestrategie die Schweiz unter dem Strich (Netto-Null) keine Treibhausgasemissionen mehr

Mehr dazu »
Lithium-Nickel-Kobalt-Aluminium-Oxid--NCA--als-Kathodenmaterial-in-akkumulatoren-160x160---Wiki-Batterie---Wikibattery.org
Batterie

Lithium-Nickel-Kobalt-Aluminium-Oxid (NCA) als Kathodenmaterial

Lithium-Nickel-Kobalt-Aluminium-Oxid (NCA) als Kathodematerial Wiki battery – BATTERIEN & Energiespeicher WIKI BATTERY WIKIBATTERY.ORG – BATTERIEN & ENERGIESPEICHER Lithium-Nickel-Kobalt-Aluminium-Oxid (NCA) als Kathodenmaterial Einführung NCA Kathode Ungefähre Summenformel: Li-(NiCoMn)O2 Allgemein zu NCA-Lithium-Ionen-Batterien Die Lithium–Nickel–Kobalt-Aluminium-Oxide (NCAs) sind eine Gruppe von Mischmetalloxiden. Einige von

Mehr dazu »
Einfach-Geld-verdienen-mit-Energie-Sparen-2022-2023---Tipps
Wirtschaft

Mehr Geld verdienen 2023: zu Hause Energiesparen  

Mehr Geld verdienen 2023: zu Hause Energiesparen   WIKI BATTery – BATTERIEN & ENERGIESPEICHER WIKI BATTERY WIKIBATTERY.ORG – BATTERIEN & ENERGIESPEICHER Einfach-Geld-verdienen-mit-Energie-Sparen-2022-2023–Tipps Mehr Geld verdienen 2023 – Zu Hause Energiesparen & Stromsparen Die15 Möglichkeiten, um Energie zu sparen, um mehr

Mehr dazu »
Arten und Kategorien von Energiespeicher und Energiespeicherung-Wiki-Battery-WikiBattery.org
Wiki

Arten der Energiespeicher & Energeiespeicherung

Typen Energiespeicher & Energiespeicherung Wiki Battery – Batterien & Energiespeicher WIKI BATTERY WIKIBATTERY.ORG – BATTERIEN & ENERGIESPEICHER Energiespeicher und Energiespeicherung Suchkonsole Arten und Kategorien von Energiespeicher und Energiespeicherung-Wiki-Battery-WikiBattery.org Liste der Energiespeicher-Technologien Was sind Energiespeicher? Unter Energiespeicherung versteht man das Auffangen

Mehr dazu »
Batterie-Anoden
Akademie

Die 2024 Batterie-Anoden

Die Batterie-Anoden Wiki Battery – Batterien & Energiespeicher WIKI BATTERY WIKIBATTERY.ORG – BATTERIEN & ENERGIESPEICHER Batterie-Anode Was ist eine Batterie-Anode? Eine Batterie-Anode ist eine Elektrode, an der Oxidationsreaktionen stattfinden, bei denen Atome Elektronen abgeben. Die negativ geladenen freien Elektronen fliessen

Mehr dazu »

WIKIBATTERY.ORG

Wiki Battery is an encyclopedia for battery technologies, which explains technical terms from the field of batteries and energy storage in a simple and understandable way – dummy proof.

More information about Wiki Battery can be found hereWiki Battery is a published Swiss Battery (SwissBattery.com).

All rights reserved.

Copyright © 2023-2030 by WikiBattery.org

Volumetric-Power-Density---Gravimetric-Power-Density---Specific-Power-Density

Newsletter

Want updates on everything we do? Sign up for the quarterly newsletter.