Temperature measurement structure of lithium ion battery

A lithium-ion battery, temperature sensor technology, applied in secondary batteries, circuits, electrical components, etc., can solve the problems of long heat transfer distance of temperature probes, inability to accurately monitor the temperature of bare cells, etc., to shorten the interval distance, accurately Effect of battery temperature

Active Publication Date: 2016-07-06
CONTEMPORARY AMPEREX TECH CO
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

This design has a long heat transfer distance between the temperature probe and the bare cell inside the battery, and there is a temperature difference between the two, so the temperature of the bare cell cannot be accurately monitored

Method used

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  • Temperature measurement structure of lithium ion battery
  • Temperature measurement structure of lithium ion battery
  • Temperature measurement structure of lithium ion battery

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Embodiment Construction

[0038] The present application will be described in further detail below through specific embodiments and in conjunction with the accompanying drawings. "Front", "rear", "left", "right", "upper" and "lower" mentioned in the text are all based on the placement state of the temperature measuring structure of the lithium-ion battery in the accompanying drawings.

[0039] Such as figure 1 with figure 2 As shown, the embodiment of the present application provides a lithium-ion battery temperature measurement structure, including a top cover 10, a top cover fitting hole 20 opened on the top cover 10, a sealing protection member 30, a sealant layer 40, and a temperature sensing probe 50 . Wherein, the middle part of the sealing protector 30 is provided with a temperature measuring through hole 300, and the temperature measuring through hole 300 is opened along the axis of the sealing protector 30, so that the axis of the temperature measuring through hole 300 and the top cover mat...

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Abstract

The invention relates to the technical field of production of a lithium ion battery, in particular to a temperature measurement structure of the lithium ion battery. The temperature measurement structure comprises a top cover, a top cover matching hole, a sealing protection element, a sealing adhesive layer and a temperature sensing probe, wherein the top cover matching hole is formed in the top cover, the sealing protection element is provided with a temperature measurement through hole, the sealing protection element is hermetically fixed in the top cover matching hole, the temperature measurement through hole passes through the upper side and the lower side of the top cover, the temperature sensing probe passes through the temperature measurement through hole to a part below the top cover from a part above the top cover, and a remaining space in the temperature measurement through hole is filled with the sealing adhesive layer to be sealed. In the temperature measurement structure of the lithium ion battery, provided by the invention, the temperature sensing probe passes through the sealing through hole, the sealing through hole is sealed by the sealing protection element and the sealing adhesive layer, thus, the temperature sensing probe can be directly arranged inside the battery, the distance between the temperature sensing probe and a naked battery core is substantially reduced, and the temperature sensing probe acquires more accurate battery temperature.

Description

technical field [0001] The present application relates to the technical field of lithium-ion battery production, in particular to a lithium-ion battery temperature measuring structure. Background technique [0002] At present, when the lithium-ion battery is generally in the range of 20°C to 40°C, its charge and discharge performance is the best, and the life is the best. In order to realize that the battery can maintain the best working temperature range of 20°C to 40°C in the external environment of -40°C to 60°C, the thermal management system needs to operate effectively according to the actual situation, or play a role in heating Or play a cooling function. A temperature probe that provides temperature data for this system is essential. The degree of agreement between the temperature data monitored by the temperature sensor and the actual temperature of the battery directly affects the operating capability of the system and the ability to control the battery temperatur...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01M10/48
CPCH01M10/486Y02E60/10
Inventor 李清仲伟帅
Owner CONTEMPORARY AMPEREX TECH CO
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