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High-strength lithium battery, and preparation method thereof

A production method and technology of lithium batteries, which are applied in the manufacture of lithium batteries, electrolyte batteries, battery pack components, etc., can solve the problems of low strength and achieve high strength, good use effect, and good conductive effect

Inactive Publication Date: 2018-07-31
JIANGSU HAIDESEN ENERGY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Aiming at the deficiencies of the prior art, the present invention provides a high-strength lithium battery and its manufacturing method, which has the advantages of higher strength and solves the problem of low strength

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] Embodiment 1: A high-strength lithium battery, including the following raw materials in parts by weight: 20 parts of carbon, 30 parts of silicon, 10 parts of manganese, 10 parts of phosphorus, 20 parts of sulfur, 10 parts of chromium, 5 parts of vanadium, 5 parts of nitrogen, 3 parts of titanium, 50 parts of aluminum and 100 parts of iron.

[0024] The iron is selected from wrought iron with an iron element content above 99%.

[0025] A method for making a high-strength lithium battery, comprising the following steps:

[0026] 1) Put wrought iron, aluminum, manganese, chromium and vanadium into a melting container, heat in nitrogen, and wait until the materials in the melting container are completely melted, skim off the impurities in the upper layer, and set aside;

[0027] 2) Pour the molten liquid into the lithium battery shell mold, cool down for 10 hours, take out the formed lithium battery shell, and set aside;

[0028] 3) Polish the formed lithium battery case ...

Embodiment 2

[0031] Embodiment 2: A high-strength lithium battery, including the following raw materials in parts by weight: 35 parts of carbon, 40 parts of silicon, 20 parts of manganese, 12 parts of phosphorus, 25 parts of sulfur, 15 parts of chromium, 70 parts of vanadium, 10 parts of nitrogen, 4 parts of titanium, 60 parts of aluminum and 125 parts of iron.

[0032] The iron is selected from wrought iron with an iron element content above 99%.

[0033] A method for making a high-strength lithium battery, comprising the following steps:

[0034] 1) Put wrought iron, aluminum, manganese, chromium and vanadium into a melting container, heat in nitrogen, and wait until the materials in the melting container are completely melted, skim off the impurities in the upper layer, and set aside;

[0035] 2) Pour the molten liquid into the lithium battery shell mold, cool down for 10 hours, take out the formed lithium battery shell, and set aside;

[0036] 3) Polish the formed lithium battery cas...

Embodiment 3

[0039] Embodiment 3: A high-strength lithium battery, including the following raw materials in parts by weight: 50 parts of carbon, 50 parts of silicon, 30 parts of manganese, 15 parts of phosphorus, 30 parts of sulfur, 20 parts of chromium, 10 parts of vanadium, 15 parts of nitrogen, 5 parts of titanium, 70 parts of aluminum and 150 parts of iron.

[0040] The iron is selected from wrought iron with an iron element content above 99%.

[0041] A method for making a high-strength lithium battery, comprising the following steps:

[0042] 1) Put wrought iron, aluminum, manganese, chromium and vanadium into a melting container, heat in nitrogen, and wait until the materials in the melting container are completely melted, skim off the impurities in the upper layer, and set aside;

[0043] 2) Pour the molten liquid into the lithium battery shell mold, cool down for 10 hours, take out the formed lithium battery shell, and set aside;

[0044] 3) Polish the formed lithium battery cas...

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PUM

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Abstract

The invention belongs to the technical field of lithium battery, and discloses a high-strength lithium battery. The high-strength lithium battery comprises, by weight, 20 to 50 parts of carbon, 30 to50 parts of silicon, 10 to 30 parts of manganese, 10 to 15 parts of phosphorus, 20 to 30 parts of sulfur, 10 to 20 parts of chromium, 5 to 10 parts of vanadium, 5 to 15 parts of nitrogen, 3 to 5 partsof titanium, 50 to 70 parts of aluminium, and 100 to 150 parts of iron. According to the preparation method, wrought iron, aluminium, manganese, chromium, and vanadium are introduced into a melting container, and a die is adopted to prepare a lithium battery case higher in strength; the surface of the lithium battery case is sprayed with carbon powder, silicon powder, and phosphorus powder successively, so that the lithium battery electricity conductive effect is better, the strength is higher, under external force impact, lithium battery case deformation is not caused, lithium battery usingeffect is better, the obtained lithium battery is safer to use, heating or blasting is not caused, lithium battery water penetration and electric leakage are prevented effectively, the lithium batteryservice life is prolonged, and the using effect is better.

Description

technical field [0001] The invention relates to the technical field of lithium batteries, in particular to a high-strength lithium battery and a manufacturing method thereof. Background technique [0002] Lithium battery is a type of battery that uses lithium metal or lithium alloy as the negative electrode material and uses a non-aqueous electrolyte solution. It was invented by Edison. The reaction equation used by the battery is: Li + MnO2 = Li MnO2 This reaction is a redox reaction, discharge. In the past, lithium batteries have not been used for a long time because of the very active chemical properties of lithium metal, which have very high environmental requirements for processing, storage, and use. With the development of modern science, lithium batteries have now become the mainstream. [0003] However, the strength of lithium batteries currently on the market is very low, and they will deform when subjected to external forces. This will not only affect the functio...

Claims

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Application Information

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IPC IPC(8): H01M2/02H01M10/052H01M10/058H01M50/116H01M50/124H01M50/131
CPCH01M10/052H01M10/058H01M50/116H01M50/131H01M50/124H01M50/1245Y02E60/10Y02P70/50
Inventor 严学庆袁朝勇赵荣兴钱军
Owner JIANGSU HAIDESEN ENERGY
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