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Battery pack for guiding discharge of thermal runaway gas and new energy automobile

A gas discharge and thermal runaway technology, which is applied to small-sized batteries/battery packs, large-sized batteries/battery packs, secondary batteries, etc., can solve problems such as spontaneous combustion, explosion, and high hazards, and achieve the goal of eliminating effect of influence

Inactive Publication Date: 2019-10-22
深蓝汽车科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

After the battery erupts, high-temperature combustibles are also prone to spontaneous combustion when they come into contact with the air entering the battery.
In addition, even if the gaseous eruption after the eruption of the battery does not ignite, if it gradually accumulates to a certain amount, it may explode, which will be more harmful

Method used

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  • Battery pack for guiding discharge of thermal runaway gas and new energy automobile
  • Battery pack for guiding discharge of thermal runaway gas and new energy automobile
  • Battery pack for guiding discharge of thermal runaway gas and new energy automobile

Examples

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Embodiment Construction

[0032] Exemplary embodiments of the present invention will be described in more detail below with reference to the accompanying drawings. Although exemplary embodiments of the present invention are shown in the drawings, it should be understood that the invention may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided for more thorough understanding of the present invention and to fully convey the scope of the present invention to those skilled in the art.

[0033] First of all, in this example, the battery specifically referred to can refer to any of a variety of different rechargeable battery chemistries and configurations, including but not limited to lithium-ion (e.g., lithium iron phosphate, lithium cobalt oxide, other lithium Metal Oxide, etc.), Lithium Ion Polymer, Nickel Metal Hydride, Nickel Cadmium, NiMH, Nickel Zinc, Silver Zinc or other battery types / constructions. The new energy vehicl...

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PUM

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Abstract

The invention aims to provide a battery pack for guiding the discharge of a thermal runaway gas and a new energy automobile so as to achieve an effect of timely discharging the thermal runaway gas sprayed out by a lithium battery during the thermal runaway period. The battery pack for guiding the discharge of the thermal runaway gas comprises a lower box body and a plurality of battery modules installed in the lower box body, wherein the lower box body is provided with a gas flow channel communicated with the atmosphere; each battery module includes a shell and a plurality of single batteriesinstalled in the shell, each shell is provided with a module gas flow channel communicated with the gas flow channel and single battery gas flow channels arranged corresponding to the single batteries, and the plurality of single battery gas flow channels in each shell are communicated with the module gas flow channel; and the thermal runaway gas sprayed out by each single battery during the thermal runaway period is discharged to the atmosphere sequentially through the corresponding single battery gas flow channel, the module gas flow channel and the gas flow channel.

Description

technical field [0001] The invention relates to the field of lithium batteries, in particular to a battery pack and a new energy vehicle that guides the discharge of thermal runaway gas. Background technique [0002] In recent years, the market share of electric vehicles has steadily increased. Lithium-ion batteries have excellent performances such as high voltage, high specific energy, long cycle life, and no pollution to the environment. They have attracted great attention from the electric vehicle industry and have gained certain applications. However, combustible gas mixtures, such as H2, CO, CH4, etc., are generated during thermal runaway of lithium-ion batteries and accumulate inside the battery. After the battery reaches a certain pressure limit, the safety valve opens, and the combustible mixture is released into the external environment as the battery erupts. During the eruption process of the battery, the surface temperature of the battery can reach a maximum of ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01M2/02H01M10/613H01M10/625H01M10/655H01M10/6561H01M10/6568
CPCH01M10/613H01M10/625H01M10/655H01M10/6561H01M10/6568H01M50/10Y02E60/10
Inventor 李昂尹福利钟海兵邓承浩袁昌荣
Owner 深蓝汽车科技有限公司
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