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Battery management device and energy storage system having same

A battery management and equipment technology, applied in secondary batteries, measuring electrical variables, battery circuit devices, etc., can solve problems such as battery cell fires

Pending Publication Date: 2022-03-08
HYUNDAI MOTOR CO LTD +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] Many battery cells have problems of relatively high current input or output during charge or discharge or fire in the battery cell due to failure

Method used

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  • Battery management device and energy storage system having same
  • Battery management device and energy storage system having same
  • Battery management device and energy storage system having same

Examples

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Embodiment Construction

[0044] Throughout the specification, the same reference numerals refer to the same elements. All elements of the embodiments of the present disclosure will not be described, and descriptions that are known in the art or that overlap each other in exemplary embodiments will be omitted. Terms used throughout the specification (such as "~ component", "~ module", "~ member", "~ block", etc.) may be implemented in software and / or hardware, and a plurality of "~ component", "~ A "module", "˜member' or "˜block' may be realized as a single element, or a single "˜component", "˜module', "˜member" or "˜block' may include a plurality of elements.

[0045] It will be further understood that the term "connect" and its derivatives refer to both direct and indirect connections, and that indirect connections include connections through wireless communication networks.

[0046] Unless otherwise stated, the terms "include (or including)" and "comprise (or comprising)" are inclusive or open-ende...

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PUM

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Abstract

The invention relates to a battery management device and an energy storage system having the same. The battery management apparatus includes: a plurality of battery cells connected to each other in at least one of a series connection and a parallel connection; a detector configured to detect an electric signal of the battery cell; a monitor configured to obtain an electrical signal of each of the battery cells and a value of a correlation coefficient corresponding to a correlation result obtained based on the electrical signal, and generate an identification signal corresponding to the electrical signal of the battery cell based on the value of the correlation coefficient and a reference value; and a memory configured to store the identification signal generated by the monitor for each of the battery cells. The monitor is configured to identify a risk of failure of each of the battery cells based on a cumulative number of identification signals stored in the memory for each of the battery cells.

Description

technical field [0001] The present disclosure relates to a battery management device for diagnosing battery overheating and an energy storage system having the same. Background technique [0002] Renewable energy sources such as solar energy and wind energy have a disadvantage that electricity cannot be stably obtained according to weather. For this reason, a system that can store energy in a storage device in advance and use the energy at a required time has recently been utilized. This is called an energy storage system (ESS). [0003] An energy storage system can be viewed as a device that efficiently uses electrical energy by applying storage technology to the properties of electricity that is consumed simultaneously with production. [0004] Batteries are used as a representative medium of energy storage systems. In this case, the battery may be a newly manufactured battery, or may be a battery reused after being used in another device. [0005] The battery is a rec...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01M10/42H01M10/48
CPCH01M10/4257H01M10/482H01M10/488H01M2010/4271H01M2010/4278G01R31/392G01R31/396G01R31/3648H01M10/425H01M10/486Y02E60/10G01R31/3842B60L3/0046B60L2240/547
Inventor 金成根金义晙姜德勋金钟勋
Owner HYUNDAI MOTOR CO LTD
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