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Degassing system for an accumulator, and accumulator having a degassing system

An exhaust system and storage battery technology, applied to nickel storage batteries, lead-acid storage batteries, alkaline storage batteries, etc., can solve the problems of sudden reaction and ignition of storage batteries, endangering personnel and the environment, etc.

Active Publication Date: 2011-07-06
科瑞斯技术与再循环有限责任公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This gas overpressure can lead to a sudden reaction and ignition of the battery
Danger to persons and the environment may result from this

Method used

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  • Degassing system for an accumulator, and accumulator having a degassing system
  • Degassing system for an accumulator, and accumulator having a degassing system
  • Degassing system for an accumulator, and accumulator having a degassing system

Examples

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Embodiment Construction

[0029] figure 1 The first embodiment of the exhaust system 1 according to the invention is shown in the assembled state.

[0030] A section of the housing bottom 2 of the battery is shown. exist figure 1 The upper side of the housing bottom 2 facing the interior of the battery and the side of the housing bottom 2 facing the outside, ie corresponding to the environment of the battery, are shown in .

[0031] The exhaust system 1 has a substantially cylindrical structure. The upper side 3 of the labyrinth pin faces towards the inside of the accumulator. The upper side 3 of the labyrinth pin essentially has the shape of a hollow cylinder with a circular cross-section. Thus, the upper side 3 of the labyrinth pin has a centrally located circular opening 4 . The opening 4 is closed by means of a membrane 5 . The upper side 3 of the labyrinth pin has an outlet channel 6 extending radially on its circumference. These drain channels 6 have essentially a semicircular cross sectio...

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Abstract

The invention relates to a degassing system for a housing of an accumulator, and an accumulator having said degassing system, wherein the degassing system (1) comprises the following: a) a labyrinth pin (14) having a pin wall, in which a plurality of channels (17) are provided, which extend from the pin interior toward outlets disposed in an axial section (18) of the pin wall, b) a labyrinth corso (7) having a corso wall extending in the mounted stated about the axial section (18) of the pin wall such that a gap (19) is formed in the axial section (18) between the bolt wall and the corso wall, and c) a gas-permeable membrane (5) disposed on the top of the labyrinth pin (7).

Description

technical field [0001] The invention relates to an exhaust system for batteries, especially for hybrid batteries, nickel-metal hybrid batteries and lithium-ion batteries. [0002] Furthermore, the invention relates to a storage battery with an exhaust system. Background technique [0003] High-performance accumulators with a high energy density in primary batteries are used in particular in hybrid and electric vehicles. [0004] High energy density results in high exotherm. In order to maintain and be able to ensure the power capability of the battery over a wide operating window, it is necessary to cool the battery efficiently. Furthermore, it is necessary for the accumulator to have a safety system which is activated in the event of overheating of the accumulator in order in particular to prevent explosion of the accumulator. [0005] In addition to efficient cooling and safety systems for protection against overheating, high-power accumulators require safety systems fo...

Claims

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Application Information

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IPC IPC(8): H01M2/12H01M10/02H01M10/04H01M10/28H01M10/30H01M10/34H01M10/12
CPCY02E60/12H05K5/0213H01M2/1229Y02E60/10H01M50/325Y02P70/50H05K5/0216
Inventor R·乔斯威格M·维格曼H·布雷内E·克罗尔R·明斯特尔
Owner 科瑞斯技术与再循环有限责任公司
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