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Inner mixed and inner parallel hybrid lead-carbon battery and preparation method of negative electrode

A lead-carbon battery and hybrid technology, which can be used in the manufacture of lead-acid battery electrodes, hybrid capacitor electrodes, hybrid/electric double layer capacitors, etc., and can solve the problems of reducing the performance of the negative electrode

Inactive Publication Date: 2018-06-05
DALIAN INST OF CHEM PHYSICS CHINESE ACAD OF SCI +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

For example, Spence et al. observed that the anode performance of adding flake graphite was the best, while Valenciano found that the addition of flake graphite would reduce the performance of the anode.

Method used

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  • Inner mixed and inner parallel hybrid lead-carbon battery and preparation method of negative electrode
  • Inner mixed and inner parallel hybrid lead-carbon battery and preparation method of negative electrode
  • Inner mixed and inner parallel hybrid lead-carbon battery and preparation method of negative electrode

Examples

Experimental program
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Effect test

Embodiment 1

[0075] Take by weighing 2g of modified activated carbon-based composite additives, 0.5g of barium sulfate, 0.05g of short polypropylene fibers and 100g of lead powder with a length of 2mm, premix with a high-speed shear mixer, the rotating speed of the stirring paddle is 39000 rpm, and stir The time is 5 minutes. Add 10 g of water and a density of 1.25 g / cm to the resulting mixture 3 3g of sulfuric acid, fully stirred to obtain lead paste. Scrape-coat the lead paste on the grid, the thickness of the active material on the green electrode sheet is 1.5 mm, and cure and dry to obtain the lead-carbon battery composite negative electrode green electrode sheet. The curing temperature is 50°C, the relative humidity of the curing room is 90-100%, and the curing time is 24 hours; the drying temperature is 80°C, the relative humidity of the drying room is 2 . The prepared activated carbon negative plate was dried at 80 °C for 12 h. Then 2 pieces of negative plates of internal mixed l...

Embodiment 2

[0077] Take by weighing 2g of modified activated carbon-based composite additives, 0.5g of barium sulfate, 0.05g of short polypropylene fibers and 100g of lead powder with a length of 2mm, premix with a high-speed shear mixer, the rotating speed of the stirring paddle is 39000 rpm, and stir The time is 5 minutes. Add 10 g of water and a density of 1.25 g / cm to the resulting mixture 3 3g of sulfuric acid, fully stirred to obtain lead paste. Scrape the lead paste into 50% of the grid on the grid, and the thickness of the active material on the green electrode sheet is 1.5mm. Take by weighing activated carbon 85g, conductive agent 10g and binding agent 5g, mix uniformly to obtain charcoal paste; The charcoal paste obtained is coated on the negative electrode grid, and the coating amount of charcoal paste is 0.03g / cm 2 . After solidification and drying, the lead-carbon battery composite negative electrode green sheet is obtained. The curing temperature is 50°C, the relative hu...

Embodiment 3

[0079] Take by weighing 2g of modified activated carbon-based composite additives, 0.5g of barium sulfate, 0.05g of short polypropylene fibers and 100g of lead powder with a length of 2mm, premix with a high-speed shear mixer, the rotating speed of the stirring paddle is 39000 rpm, and stir The time is 5 minutes. Add 10 g of water and a density of 1.25 g / cm to the resulting mixture 3 3g of sulfuric acid, fully stirred to obtain lead paste. Scrape-coat the lead paste on the grid, the thickness of the active material on the green electrode sheet is 1.5 mm, and cure and dry to obtain the lead-carbon battery composite negative electrode green electrode sheet. The curing temperature is 50°C, the relative humidity of the curing room is 90-100%, and the curing time is 24 hours; the drying temperature is 80°C, the relative humidity of the drying room is 2 . The prepared negative electrode plate coated with carbon paste was dried at 80° C. for 12 hours to obtain an internally mixed i...

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Abstract

The present invention relates to an inner mixed and inner parallel hybrid lead-carbon battery. The structural feature of the battery is that a negative electrode of a lead-carbon battery is replaced with a negative electrode of an inner mixed lead-carbon battery. Since the charge acceptance capability, deep discharge capability and charge-discharge cycle stability of the negative electrode of theinner mixed lead-carbon battery are much higher than that of the negative electrode of the lead-carbon battery, the negative electrode of the inner mixed lead-carbon battery is introduced into an inner parallel lead-carbon battery, and the improvement of the output performance and stability of the battery is facilitated. An inner mixed and inner parallel hybrid lead-carbon super battery with different layout forms of negative electrodes has different properties, and different application requirements can be satisfied. The charge-discharge reaction reversibility, charge-discharge cycle life, and the charge acceptance capacity of the inner mixed and inner parallel hybrid lead-carbon battery are significantly better than that of a conventional lead-acid battery.

Description

technical field [0001] The invention belongs to the technical field of lead-carbon batteries, and in particular relates to an internal parallel / internal hybrid lead-carbon battery in which a supercapacitor is combined with an internal hybrid lead-carbon battery. Background technique [0002] Lead-carbon battery is a new type of energy storage device that combines supercapacitors and lead-acid batteries. The lead-acid battery is used as the energy source, and the supercapacitor is used as the pulse power, which improves the performance of the battery, thus making up for the deficiency that ordinary valve-regulated lead-acid batteries cannot cope with various complex use conditions. In lead-carbon batteries, the two energy storage methods of supercapacitor and lead-acid battery are integrated in an internal combination, and no special external electronic control circuit is required, so that the size of the battery is controlled, the system is simplified, and the cost of energy...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01G11/26H01G11/34H01G11/86H01M4/20H01M4/21H01M4/14H01M16/00
CPCH01G11/26H01G11/34H01G11/86H01M4/14H01M4/20H01M4/21H01M16/003Y02E60/10Y02E60/50
Inventor 阎景旺席耀宁张华民李先锋张洪章孙海涛霍玉龙王再红高鹤
Owner DALIAN INST OF CHEM PHYSICS CHINESE ACAD OF SCI
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