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Monitoring system for an energy storage cell

An energy storage unit and monitoring system technology, applied in the field of monitoring systems, can solve problems such as difficulty in detecting lithium deposits, damage to separators, short circuits inside the unit, etc., achieving a good amount of space and improving protection.

Active Publication Date: 2012-12-12
SAMSUNG SDI CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0014] Additionally, in the case of lithium-ion batteries, it is extremely difficult to detect lithium deposits (lithium dendrites) on the overloaded anode
In a worst-case scenario, lithium dendrites may cause damage to the separator membrane and as a further consequence cause internal short circuits in the cell

Method used

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  • Monitoring system for an energy storage cell
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Embodiment Construction

[0030] It is stated by way of introduction that the invention is not limited to the use of electrochemical energy storage cells (e.g. Li-ion cells), but can also be used in other types of energy storage devices or energy storage cells, such as capacitors, and more specifically double layer capacitor.

[0031] as in figure 1 It is evident that in the case of the energy storage unit 1 according to the invention, the CSC normally used in the prior art is replaced by the electronics 2 integrated directly in the energy storage unit 1 , which is hereinafter named Integrated Cell Circuit or ICC for short. can be as figure 1 Or a plurality of energy storage units 1 according to the invention illustrated in 2 are combined to form a battery system. Each energy storage unit 1 can communicate, preferably wirelessly, with the BMU of the battery system via its installed ICC 2 ; said BMU is not shown in detail here. For this purpose, the ICC 2 may comprise a transmitting / receiving elemen...

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Abstract

The invention relates to a monitoring system for monitoring the state of an energy storage cell (1) for storing electrical energy, in particular an electrochemical energy storage cell (1) or an energy storage cell (1) having at least one capacitor, wherein integrated electronics (2) for monitoring the state of the energy storage cell (1) are arranged in the energy storage cell (1), wherein the integrated electronics (2) have a transmitting / receiving unit (3) for preferably wireless data exchange with a battery control system arranged outside the energy storage cell (1) or are connected to a transmitting / receiving unit (3) for preferably wireless data exchange with a battery control system arranged outside the energy storage cell (1).

Description

technical field [0001] The invention relates to a monitoring system for monitoring the state of an energy storage unit storing electrical energy, in particular an electrochemical energy storage unit or an energy storage unit comprising at least one capacitor. [0002] The invention also relates to a battery system with a plurality of energy storage cells and a central battery control system for controlling and monitoring the energy storage cells. Background technique [0003] Traditional battery systems are usually subdivided into modules. Each module includes a number of units for its part. The battery system may for example comprise 6 modules with 10 cells each. For example, often in the case of batteries for drive systems of hybrid or electric vehicles in which there is a high demand for energy, battery systems which are subdivided into a plurality of modules are used. [0004] Each conventional module includes a so-called "cell supervisory circuit" hereinafter referre...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01M10/48G01R31/36
CPCY02E60/12H01M10/48G01R31/362H01M10/4264H01M10/486H01M10/484H01M10/4257G01R31/3835Y02E60/10
Inventor A.格鲁布科夫
Owner SAMSUNG SDI CO LTD
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