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Cover for electrolytic batteries with centralized degassing

A cover and battery technology, applied in battery pack parts, battery caps/end caps, batteries, etc., can solve the problems of dipping, complex injection opening and sealing, etc.

Inactive Publication Date: 2013-12-11
ARKEMA FRANCE SA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0010] It is noted that the disadvantages of conventional accumulators are that the caps of the injection openings are closed because a plurality of caps must be assembled on a heavy and bulky structure (for example, an accumulator container filled with electrolyte and closed at the top by a cover). Very complicated
[0014] A further problem arises in centralized exhaust systems due to the fact that frit is present on said cover during battery manufacturing operations, such as during injection and initial charging; therefore, during manufacture before it is even used , the frit material may have been impregnated into the electrolyte

Method used

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  • Cover for electrolytic batteries with centralized degassing
  • Cover for electrolytic batteries with centralized degassing
  • Cover for electrolytic batteries with centralized degassing

Examples

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Embodiment Construction

[0041] With reference to the drawings, the cover according to the present invention may include a main cover 1 or 11, which is adapted to be fixed on the container (not shown) of the electrolytic cell, especially on the tank body On the edge, the box is configured to have a plurality of electrolytic cells, which are arranged side by side with each other and separated by walls.

[0042] Preferably, the cover according to the present invention and the corresponding container of the electrolytic cell are both made of plastic (for example, polypropylene) and can be obtained by a known type of molding method.

[0043] With reference to the two embodiments shown in the drawings, the main cover 1 or 11 has an upper surface 3 or 31 and a lower surface, and is configured to have a plurality of openings 41, 51, when the main cover 1 or When 11 is fixed on the container of the electrolytic cell, the plurality of openings 41, 51 are adapted to allow the corresponding electrolytic cell to be fi...

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Abstract

A cover for electrolytic batteries, comprising an upper face (3, 31) and a lower face and provided with a plurality of openings (41, 51) for filling with electrolyte for respective electrolytic cells of the container, each one of the openings (41, 51) being surrounded by a wall, the walls of the openings being crossed transversely by a common gas collection channel (7), which is connected to a seat (61) for a frit, the seat (61) of the frit being arranged on the upper face (3, 31) of the cover, laterally with respect to the common gas collection channel (7) and on a plane which is comprised between the channel (7) and the upper face (3, 31) of the cover.

Description

Technical field [0001] The invention relates to a cover for an electrolyte storage battery. Background technique [0002] Electrolyte batteries (for example, lead-acid batteries) are used in motor vehicles, mainly to provide the power supply required to start the engine and multiple electrical devices. Electrolyte storage batteries are usually composed of a container, which is closed at the upper part by a cover, and is divided into a plurality of electrolytic cells inside, and in each of the electrolytic cells, liquid electrolyte (for example, sulfuric acid Aqueous solution) and immersed in a pair of electrodes (for example, a pair of electrodes made of lead). [0003] The manufacture of this type of storage battery requires liquid electrolyte to be poured into respective electrolytic cells after the cover is permanently fixed to the container by welding or other means. To this end, the conventional cover includes an opening at each electrolytic cell of the container, which enab...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01M2/04H01M2/12H01M50/147H01M50/367H01M50/627
CPCH01M2220/20Y02E60/10H01M50/147H01M50/367H01M50/627H01M50/35H01M50/60
Inventor F·吉伯里尼
Owner ARKEMA FRANCE SA