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Electric battery comprising thermal packaging modules encapsulated in a structural matrix

A technology for adjusting components and batteries, applied in structural parts, secondary batteries, battery pack parts, etc., can solve problems such as cooling system failure, component short circuit, explosion, etc., achieve reduced thermal management, high compactness, and ensure maximum stroke Effect

Inactive Publication Date: 2010-03-24
SOC DE VEHICULES ELECTRIQUES
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0022] This break completely disables the cooling system, and what is more serious, the liquid may short out all the components of the battery, thereby creating a risk of fire and even explosion

Method used

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  • Electric battery comprising thermal packaging modules encapsulated in a structural matrix
  • Electric battery comprising thermal packaging modules encapsulated in a structural matrix
  • Electric battery comprising thermal packaging modules encapsulated in a structural matrix

Examples

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Embodiment approach

[0034] Two embodiments of accumulators are described below with reference to the accompanying drawings, such accumulators comprise a plurality of electric energy generating elements 1, in particular the nature of the elements 1 may be electrochemical, such as lithium-ion type. To this end, the element 1 comprises a housing enclosing the electrochemical system in order to isolate the chemical parts necessary for the generation of electricity. In variants, elements can be oversized.

[0035] Such batteries are used in particular to power the traction motors of vehicles, either electric vehicles, or electric-thermal hybrid vehicles. However, the accumulator according to the invention may also find use for the storage of electrical energy in other modes of transport, and in particular air transport. Furthermore, the accumulator according to the invention can also be advantageously used in stationary applications such as wind power generators.

[0036] This accumulator comprises ...

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Abstract

The invention relates to an electric battery comprising a plurality of elements (1) generating electrical energy and a system for the mechanical and thermal packaging of said elements, said system comprising a bed (2) of thermal packaging fluid on which said elements are placed so as to leave a lateral space between the adjacent elements (1), the packaging system further including a plurality of thermal packaging modules (9), each provided with a path for the fluid to flow between an upstream port (10) and a downstream port (11), each flow path extending along a lateral space with the ports (10, 11) in fluid communication with said bed, said packaging system further including a structural matrix made of a thermally conductive and electrically insulating polymer resin, said matrix filling the lateral spaces, at least partly encapsulating said generator elements and said packaging modules.

Description

technical field [0001] The invention relates to an accumulator, in particular for the traction of electric vehicles or hybrid vehicles, ie a drive motor comprising one drive wheel, combined with a heat engine driving the same or possibly other drive wheels. Background technique [0002] In order to guarantee the power and energy levels required for the application of electric vehicles or hybrid vehicles, it is necessary to manufacture batteries comprising a plurality of electric energy generating elements. [0003] These components generate heat when charging and discharging, and when the heat is not controlled, it can shorten the life of the components, and even in extreme cases, certain chemical compositions of the components create a risk of thermal escape, leading to damage to the battery. [0004] The energy that a battery can provide depends on the energy balance of the different components and their operating temperature. In fact, the amount of energy a component can...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01M10/50H01M2/10H01M50/213H01M50/227H01M50/291H01M50/293
CPCY02E60/12H01M10/5075H01M10/5057H01M2/1094H01M10/5059H01M10/5004H01M10/42H01M10/5016H01M10/503H01M2/105H01M2/1077H01M10/625H01M10/6556H01M10/6557H01M10/6567H01M10/643H01M10/613Y02E60/10H01M50/213H01M50/24H01M50/293H01M50/291H01M50/227
Inventor F·加邦C·贝涅A·杜阿尔
Owner SOC DE VEHICULES ELECTRIQUES
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