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Battery system

A battery system and battery cell technology, applied in the direction of batteries, secondary batteries, battery pack components, etc., can solve the problems of increased weight, irreversible damage, and reduced energy efficiency of battery systems.

Active Publication Date: 2019-09-03
SAMSUNG SDI CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Thus, false triggering can lead to irreversible damage to a functioning battery system and / or require replacement of the actuation device
Known fire suppression systems require a lot of additional installation space, add a lot of additional weight to the battery system and thus reduce energy efficiency

Method used

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Embodiment Construction

[0043] Reference will now be made in detail to the embodiments, examples of which are illustrated in the accompanying drawings. The effects and features of the exemplary embodiments and their implementation methods will be described with reference to the accompanying drawings. In the drawings, the same reference numerals denote the same elements, and redundant descriptions are omitted. However, the invention may be embodied in various different forms and should not be construed as limited to only the embodiments set forth herein. Rather, these embodiments are provided as examples so that this disclosure will be thorough and complete, and will fully convey the aspects and features of the invention to those skilled in the art.

[0044] Accordingly, processes, elements and techniques not considered necessary by one of ordinary skill in the art in order to fully understand the aspects and features of the invention may not be described. In the drawings, the relative sizes of elem...

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Abstract

The present invention relates to a battery system (100) that comprises at least one plurality of aligned battery cells (80) arranged in a first direction (y). Each of the battery cells (80) comprisesa vent hole (88). The battery system (100) further an extinguishing system (60) with a reservoir (61) for an extinguishing agent and at least one conduit means (62) for conducting the extinguishing agent, wherein the conduit means (62) is positioned such that it is hit by a vent-gas jet emitted by any of the vent holes (88) of the plurality of aligned battery cells (80) and wherein the at least one conduit means (62) is configured to be melted by the vent-gas jet. The invention further relates to a cooling circuit (70) for a battery system (100) comprising at least one plurality of aligned battery cells (80), each of the battery cells (80) comprising a vent hole (88). The cooling circuit (70) comprises a conduit means (72) configured for conducting an incombustible or flame-retardant coolant and an evaporator (71) that is in thermal contact with the a first plurality (91) of aligned battery cells (80) and that is configured for causing the coolant to absorb heat from the first plurality of aligned battery cells (80). The conduit means (72) is positioned such that it is hit by a vent-gas jet emitted by any of the vent holes (80) of the first plurality (91) of aligned battery cells (80) and is configured to be melted by the vent-gas jet.

Description

technical field [0001] The invention relates to a battery system with an improved fire extinguishing system and a cooling system for a battery system, in particular a cooling system with an integrated fire extinguishing system. Background technique [0002] A rechargeable or secondary battery differs from a primary battery in that a rechargeable or secondary battery can be repeatedly charged and discharged, whereas a primary battery only provides the irreversible conversion of chemical energy to electrical energy. Low-capacity rechargeable batteries are used as power sources for small electronic devices such as cellular phones, notebook computers, and camcorders, while high-capacity rechargeable batteries are used as power sources for hybrid vehicles and the like. [0003] Generally, a rechargeable battery includes an electrode assembly including a positive electrode, a negative electrode, and a separator interposed between the positive electrode and the negative electrode, ...

Claims

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Application Information

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IPC IPC(8): H01M2/10H01M2/12H01M10/6569H01M10/6554H01M10/613H01M10/647H01M50/209
CPCH01M2200/10H01M10/6569H01M10/6552H01M10/613A62C3/16Y02E60/10H01M50/30H01M50/209H01M50/673H01M50/609H01M2200/00H01M50/24H01M10/6554H01M10/647H01M2200/20H01M2220/20H01M50/20
Inventor A·戈卢布科夫
Owner SAMSUNG SDI CO LTD
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