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High-temperature lithium battery and application thereof

A high-temperature lithium battery and high-temperature battery technology, applied in lithium batteries, secondary batteries, non-aqueous electrolyte batteries, etc., can solve the problem that high-temperature batteries are difficult to have both continuous and ultra-high temperature work, and achieve the effect of long battery life.

Inactive Publication Date: 2019-04-23
QINGDAO UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to provide a high-temperature lithium battery and its application, so as to overcome the defect that the existing high-temperature batteries are difficult to work continuously and ultra-high temperature

Method used

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  • High-temperature lithium battery and application thereof
  • High-temperature lithium battery and application thereof
  • High-temperature lithium battery and application thereof

Examples

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Embodiment 1

[0030] The high-temperature lithium battery of this embodiment includes a high-temperature battery device and a wireless charging device. The high-temperature battery device includes a battery casing and a positive electrode material, a negative electrode material, and a solid electrolyte material installed inside the battery casing. The positive electrode material is lithium iron phosphate, and the negative electrode The material is graphite, and the solid electrolyte material is lithium lanthanum zirconium oxide ceramic sheet; the wireless charging device includes a transmitter connected to a power source and a receiver installed on a battery case.

[0031] figure 1 It is the cycle performance test chart of the high temperature lithium battery of embodiment 1 at 170°C, from figure 1 It can be seen from the figure that the cycle performance of the lithium battery obtained in this example is stable at 170°C, and the capacity is 100mAh·g -1 The above shows that the lithium bat...

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Abstract

The invention discloses a high-temperature lithium battery and the application thereof. The high-temperature lithium battery comprises a high-temperature battery device and a wireless charging device.The high-temperature battery device comprises a battery shell, a positive electrode material, a negative electrode material and a solid electrolyte material, wherein the positive electrode material,the negative electrode material and the solid electrolyte material are mounted in the battery shell. The wireless charging device comprises a transmitter connected with a power supply and a receiver mounted on the battery shell. The high-temperature lithium battery comprises the high-temperature battery device and the wireless charging device. The wireless charging device can wirelessly charge thehigh-temperature battery device, so that the endurance time of the high-temperature battery device is long. The high-temperature battery device can meet the long-time working requirement of machineryequipment in a high-temperature environment. The high-temperature lithium battery disclosed by the invention is suitable for application in a high-temperature environment, such as development and utilization of underground resources such as petroleum and natural gas, and the field of low-current power supply equipment of mine drilling equipment.

Description

technical field [0001] The invention relates to the technical field of batteries, in particular to a high-temperature lithium battery and its application. Background technique [0002] Lithium-ion batteries have the advantages of high energy density, long life, small self-discharge, no memory effect, and environmental friendliness, and have become the most important new energy storage batteries at present. Although the thermal safety of lithium-ion batteries has been significantly improved after years of continuous improvement, in extreme environments or abuse conditions, the heat generation rate of the battery is much higher than the heat dissipation rate, resulting in heat accumulation inside the battery, which further causes the battery to burn or even explode. , pose a serious threat to human property and life. Conventional lithium batteries must work in environments below 100°C. In the field of development and utilization of underground resources such as oil and natur...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01M10/46H01M10/052
CPCH01M10/052H01M10/46Y02E60/10
Inventor 郭向欣孙彬石川赵宁
Owner QINGDAO UNIV
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