Coiled lead-acid battery with lead foam negative electrode grid and preparing method thereof

A lead-acid battery, lead foam technology, applied in the direction of lead-acid battery, lead-acid battery construction, electrode carrier/current collector, etc. , the high quality of the wound lead-acid battery, etc., to achieve the effect of high utilization of active materials, improved specific energy, and low battery quality
CN1790796AInactive Publication Date: 2006-06-21HARBIN INST OF TECH
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Patent Information

Authority / Receiving Office
CN · China
Current Assignee / Owner
HARBIN INST OF TECH
Publication Date
2006-06-21
Estimated Expiration
Not applicable · inactive patent

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Abstract

The preparation method for a rolled lead-acid battery with foam-lead negative plate grid overcomes the problems of heavy mass, low specific capacity / energy / power, loose combination of active material and collector in prior art, which comprises: 1. mixing paste; 2. pre-treating; 3. coating paste; 4. rolling; 5. solidifying; 6. assembly; 7. reduction. Wherein, the said battery comprises positive electrode (7) round a spindle (4), a negative electrode (5) with foam-lead negative plate grid as collector, and AGM baffle plate (6) between two electrodes.
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Description

technical field

[0001] The invention relates to a lead-acid battery and a preparation method thereof. Background technique

[0002] Lead-acid batteries have the advantages of low cost, reliable use, and abundant sources of raw materials, but the defects of low specific capacity and specific power, short cycle life, and poor fast charging ability limit their development in the field of electric vehicles and electric bicycles. For this reason, people began to study winding valve-regulated lead-acid batteries. In the late 1960s, the American GATES company took the lead in developing a winding lead-acid battery, which was introduced to the market by Sweden's OPTIMA company. The winding lead-acid battery technology developed by BOLDER in the United States is called TMF patented technology (Thin Metal Film). It improves the high-rate discharge performance of the battery by increasing the area of ​​the plates and reducing the distance between the plates. The American EXIDE company...

Claims

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