Apparatus and method for improving infiltration performance of battery with high specific energy density

An energy density and battery technology, applied in the field of lithium-ion batteries, can solve the problem of infiltration of high specific energy density battery systems and other problems, and achieve the effect of enhancing infiltration and infiltration effects, improving product market competitiveness, and improving infiltration performance.

Inactive Publication Date: 2017-04-26
TIANJIN ENERGIES
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Even if high temperature standing and prolonging the standing time are adopted, the problem of infiltration of high specific energy density battery system cannot be solved.

Method used

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  • Apparatus and method for improving infiltration performance of battery with high specific energy density
  • Apparatus and method for improving infiltration performance of battery with high specific energy density

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0037] Such as figure 1 and figure 2 As shown, a device for improving the wettability of a high specific energy density battery includes a microwave generating device 1, an electric field generating device 2 and an infrared generating device 3, the microwave generating device 1 is electrically connected to a microwave detection device 4, and the electric field generating device 2 is electrically connected The electric field detecting device 5 is connected, the infrared generating device 3 is electrically connected with the infrared detecting device 6; the microwave detecting device 4 displays the frequency of the microwave through a digital display or a pointer, and displays the wavelength of the microwave through an oscilloscope. The electric field generating device 2 is driven by a DC power supply or an AC power supply. The electric field detection device 5 displays the magnitude of the electric field force through numbers or pointers, and the electric field detection devi...

Embodiment 2

[0046] The structure of the device for improving the wettability of the high specific energy density battery is the same as that in Example 1.

[0047] The method for improving the wettability of the high specific energy density battery by applying the above-mentioned equipment comprises the following steps:

[0048] Step 1: Place the cell in the microwave field to preheat to 60°C. At the same time, the cell is placed in the microwave field and then rotated. The rotation angle is 180°, and the rotation interval is 2h. The frequency of the microwave in the microwave field is 1GHz and the wavelength is 300mm.

[0049] Step 2: Place the heat-treated cell in an electric field for 8 minutes, the electric field strength is 500N / C, and the electric field is driven by a 220v AC power supply.

[0050] Step 3: Place the cell in an infrared field and let it stand for 1.5 hours. In the infrared field, the infrared ray is monochromatic light with a wavelength of 50um.

[0051] After the ...

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Abstract

The invention provides an apparatus and method for improving the infiltration performance of a battery with high specific energy density. The apparatus comprises a microwave generation device, an electric field generation device, an infrared generation device and a conveying device used for conveying a to-be-infiltrated electric core, wherein the microwave generation device is electrically connected with a microwave detection device; the electric field generation device is electrically connected with an electric field detection device; the infrared generation device is electrically connected with an infrared detection device; the conveying device is arranged in a microwave field generated by the microwave generation device, an electric field generated by the electric field generation device and in infrared field generated by the infrared generation device; and the microwave generation device, the electric field generation device, the infrared generation device, the microwave detection device, the electric field detection device and the infrared detection device are all electrically connected with a comprehensive control hub. The apparatus and method provided by the invention can improve the infiltration structure of an electrolyte in the electric core of a lithium battery and is capable of effectively improving the electric core infiltration capability of the electrolyte and shortening infiltration time.

Description

technical field [0001] The invention belongs to the field of lithium ion batteries, and in particular relates to a device and a method for improving the wettability of batteries with high specific energy density. Background technique [0002] In daily life and work, human beings use 3C and other communication tools more and more frequently, and the daily use time is getting longer and longer, which puts forward higher requirements for battery life. At the same time, in order to alleviate environmental pollution and improve human awareness of environmental protection, the use of new energy-saving and environmentally friendly electric vehicles as a travel solution is increasingly accepted by people. In view of this, the battery life of mobile phones and electric vehicles has received widespread attention from the society. The longer the battery life, the stronger the product competitiveness and the larger the market. It is necessary to develop products with high specific energ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01M10/058H01M10/0525
CPCH01M10/0525H01M10/058Y02E60/10Y02P70/50
Inventor 兰建云冯树南从长杰王驰伟
Owner TIANJIN ENERGIES
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