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Manufacturing method of high power type lithium ion battery

A lithium-ion battery, manufacturing process technology, applied in sustainable manufacturing/processing, secondary battery, final product manufacturing, etc., can solve problems such as small capacity and poor safety performance

Inactive Publication Date: 2005-11-23
HENAN LI POWER SUPPLY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Now the lithium-ion batteries in the market are mainly small and square, with a capacity of 450mAh-2000mAh. They are mainly used in household appliances, ventilation systems, power supplies and other fields. Large-capacity square lithium-ion batteries are used as power sources for miner's lamps and cameras. In addition, lithium cobalt oxide is used as the positive electrode material, and carbon microspheres are used as the negative electrode material. The disadvantages are: poor safety performance and small capacity

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0005] Embodiment 1; Described addition weight is percentage meter:

[0006] Using spherical lithium manganese oxide with high safety as the positive electrode material, adding rare earth oxides such as ytterbium oxide and neodymium oxide with a weight ratio of 1%, after uniform slurrying, it is manufactured by continuously coating on aluminum foil or aluminum mesh. During the charging process Electrons are released, lithium ions come out, migrate and intercalate into the negative electrode, discharge to obtain electrons, and lithium ions are intercalated into the positive electrode, which will effectively improve the cycle stability and high-temperature cycle performance of the battery. The negative electrode is made of cheap coated carbon, adding 0.01% organic acid such as glacial acetic acid in weight ratio, and 0.5% binder fluororesin in weight ratio. Electrons are obtained during charging, so that lithium ions are inserted into the negative electrode, and electrons are re...

Embodiment 2

[0007] Embodiment 2; Described addition weight is percentage meter:

[0008] Using spherical lithium manganese oxide with high safety as the positive electrode material, adding rare earth oxides such as ytterbium oxide and neodymium oxide at a weight ratio of 1.5%, uniformly mixed, and continuously coated on aluminum foil or aluminum mesh. During the charging process Electrons are released, lithium ions come out, migrate and intercalate into the negative electrode, discharge to obtain electrons, and lithium ions are intercalated into the positive electrode, which will effectively improve the cycle stability and high-temperature cycle performance of the battery. The negative electrode is made of cheap coated carbon, adding an organic acid such as glacial acetic acid at a weight ratio of 0.5%, and a binder fluororesin at a weight ratio of 5%. Electrons are obtained during charging, so that lithium ions are inserted into the negative electrode, and electrons are released during d...

Embodiment 3

[0009] Embodiment 3; Described addition weight is percentage meter:

[0010] Using spherical lithium manganese oxide with high safety as the positive electrode material, adding rare earth oxides such as ytterbium oxide and neodymium oxide with a weight ratio of 1%, after uniform slurrying, it is manufactured by continuously coating on aluminum foil or aluminum mesh. During the charging process Electrons are released, lithium ions come out, migrate and intercalate into the negative electrode, discharge to obtain electrons, and lithium ions are intercalated into the positive electrode, which will effectively improve the cycle stability and high-temperature cycle performance of the battery. The negative electrode is made of cheap coated carbon, adding 0.5% organic acid such as glacial acetic acid in weight ratio, and 0.5% weight ratio of binder fluororesin. Electrons are obtained during charging, so that lithium ions are inserted into the negative electrode, and electrons are rel...

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PUM

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Abstract

Anode material of dynamical type of lithium ion battery with capacity in 3Ah-200Ah is prepared according to following steps. Even slurry of combining spherical shaped lithium manganate with added rare earth oxide 1%-1.5% is coated on continuous metal mesh. In charging procedure, electrons are released; and in discharging procedure electrons are obtained. Even slurry of cladding carbon as well as added 0.01%-0.5% organic acid and 0.5%-10% adhesive are as material of cathode. In charging procedure, electrons are obtained; and in dischaging procedure electrons are released. Positive and negative pole plates are prepared by using current corrector. Battery is combined through cascading method in sequence of cathode, diaphragm, anode, diaphragm so as to form laminated bodies of electrodes. Diaphragm separates anode and cathode. The invention possesses advantages of lightweight, high energy, high operating voltages and good safety feature.

Description

Technical field: [0001] The invention relates to a manufacturing process of a high-power power type lithium-ion battery, which is particularly suitable for a high-power square-shaped steel case power lithium-ion battery with a capacity of 3Ah-200Ah. Background technique: [0002] Now the lithium-ion batteries in the market are mainly small and square, with a capacity of 450mAh-2000mAh. They are mainly used in household appliances, ventilation systems, power supplies and other fields. Large-capacity square lithium-ion batteries are used as power sources for miner's lamps and cameras. Moreover, lithium cobaltate is used as the positive electrode material, and carbon microspheres are used as the negative electrode material. The disadvantages are: poor safety performance and small capacity. Invention content: [0003] The task of the present invention is to propose a kind of high-power 3Ah-200Ah, the manufacturing process of the high-capacity, high-safety power type lithium-io...

Claims

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Application Information

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Patent Type & Authority Patents(China)
CPCY02E60/122Y02E60/10Y02P70/50
Inventor 任英姿宋伟恒李福林章杰杨书廷
Owner HENAN LI POWER SUPPLY
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