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Stored energy source

An energy storage and layer stacking technology, applied in the field of energy storage, can solve problems such as low energy density

Pending Publication Date: 2020-01-24
EPCOS AG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Problems with known energy stores are, for example, their low energy density

Method used

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Examples

Experimental program
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Embodiment Construction

[0042] figure 1 An energy store ES is shown which has a first electrode EL1 in a first electrode layer and a second electrode EL2 in a second electrode layer. An electrolyte E in an electrolyte layer is arranged between the first electrode EL1 and the second electrode EL2 .

[0043] The electrolyte E spatially separates the two electrodes EL1 , EL2 from each other and is preferably conductive for ions. A voltage can be tapped at the two electrodes EL1 , EL2 which can be used, for example, to drive an electrical device.

[0044] The voltage between the electrodes EL1, EL2 depends on the choice of material. The material can be selected such that a maximum voltage does not necessarily drop across the layer stack, but a maximum energy density can be stored in the layer stack or a maximum current density can be drawn from the layer stack.

[0045] A first active layer AL1 may be disposed between the first electrode EL1 and the electrolyte E. A second active layer AL2 may be dis...

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Abstract

The invention relates to a stored energy source having reduced maintenance requirements and improved temperature resistance. The stored energy source has a layer stack. Said layer stack comprises a first electrode, a second electrode, and an electrolyte therebetween. The electrolyte is a solid body.

Description

technical field [0001] The invention relates to an energy store, eg for an electrical device, which energy store has small dimensions and a high energy density. Background technique [0002] Energy stores are used in electrical systems to supply circuits with electrical energy independently of an external current supply. [0003] Common portable electrical appliances can be battery-powered or accumulator-powered, for example. For short-term energy supply, capacitors are provided. [0004] A problem with known energy stores is, for example, their low energy density. [0005] Accordingly, there is a desire for improved accumulators. Contents of the invention [0006] To this end, an improved energy store is specified in independent claim 1 . The dependent claims describe advantageous embodiments. [0007] The energy store comprises a layer stack with a first electrode layer, a second electrode layer and an electrolyte layer between the electrode layers. A first electro...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01M2/16H01M10/0562H01M6/18H01M10/04H01M6/46H01M6/48H01M2/10H01M4/58H01M10/052H01M50/54
CPCH01M10/052H01M10/0562H01M2300/0068H01M2300/0094Y02E60/10Y02P70/50H01M10/0436H01M10/0585H01M2220/30
Inventor S.克斯特纳F.林纳S.奥贝迈尔大石昌弘
Owner EPCOS AG