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Lead-carbon battery negative plate containing lead and graphene composite materials

A composite material, lead-carbon battery technology, applied in lead-acid battery electrodes, battery electrodes, circuits, etc., can solve the problem of uneven mixing of lead and carbon, and achieve the effect of increasing the contact interface, broad application prospects, and preventing shedding.

Active Publication Date: 2013-01-16
JIESHOU HUAYU POWER SUPPLY
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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 overcome the problem of uneven mixing of lead and carbon in the negative plate of super batteries, and provide a lead-carbon battery negative plate containing lead-graphene composite material. In this lead-carbon battery negative plate, lead powder and lead graphene The composite material can be mixed evenly, which can simultaneously exert the capacity characteristics of lead powder and the power characteristics of graphene carbon materials, and improve the charge acceptance ability and HRPSoC cycle life of lead-carbon batteries

Method used

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  • Lead-carbon battery negative plate containing lead and graphene composite materials

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0016] (1) Ultrasonic dispersion of graphite oxide flakes in magnesium nitrate isopropanol solution, the weight ratio of graphite oxide flakes to magnesium nitrate is 100:1, to prepare positively charged graphite oxide flake sol.

[0017] (2), with the graphite oxide flake sol of step (1) as electrolyte, the graphite oxide flake thin film is electrophoretically deposited on the pure lead plate, the deposition voltage is set as 100V, after deposition 5min, the lead plate carrying the graphite oxide flake is taken out, Dry under vacuum at 50°C for 4 h.

[0018] (3), the lead plate that the graphite oxide sheet of step (2) is loaded is reduced 2h in 60 ℃ of saturated hydrazine hydrate atmospheres, obtains graphene thin film, and each graphene sheet comprises 10-20 carbon atom layers;

[0019] (4), plating solution adopts fluoroboric acid plating solution, and plating solution is to prepare lead plating solution as raw material with 200g / L lead fluoroborate, 220g / L fluoroboric aci...

Embodiment 2

[0025] (1) Ultrasonic dispersion of graphite oxide flakes in magnesium nitrate isopropanol solution, the weight ratio of graphite oxide flakes to magnesium nitrate is 100:1, to prepare positively charged graphite oxide flake sol.

[0026] (2), with the graphite oxide flake sol of step (1) as electrolyte, the graphite oxide flake thin film is electrophoretically deposited on the pure lead plate, the deposition voltage is set as 100V, after deposition 5min, the lead plate carrying the graphite oxide flake is taken out, Dry under vacuum at 50°C for 4 h.

[0027] (3), the lead plate that the graphite oxide sheet of step (2) is loaded is reduced 2h in 60 ℃ of saturated hydrazine hydrate atmospheres, obtains graphene thin film, and each graphene sheet comprises 10-20 carbon atom layers;

[0028] (4), plating solution adopts fluoroboric acid plating solution, and plating solution is to prepare lead plating solution as raw material with 200g / L lead fluoroborate, 220g / L fluoroboric aci...

Embodiment 3

[0034] (1) Ultrasonic dispersion of graphite oxide flakes in magnesium nitrate isopropanol solution, the weight ratio of graphite oxide flakes to magnesium nitrate is 100:1, to prepare positively charged graphite oxide flake sol.

[0035](2), with the graphite oxide flake sol of step (1) as electrolyte, the graphite oxide flake thin film is electrophoretically deposited on the pure lead plate, the deposition voltage is set as 100V, after deposition 5min, the lead plate carrying the graphite oxide flake is taken out, Dry under vacuum at 50°C for 4 h.

[0036] (3), the lead plate that the graphite oxide sheet of step (2) is loaded is reduced 2h in 60 ℃ of saturated hydrazine hydrate atmospheres, obtains graphene thin film, and each graphene sheet comprises 10-20 carbon atom layers;

[0037] (4), plating solution adopts fluoroboric acid plating solution, and plating solution is to prepare lead plating solution as raw material with 200g / L lead fluoroborate, 220g / L fluoroboric acid...

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Abstract

The invention discloses a lead-carbon battery negative plate containing lead and graphene composite materials. A collector plate grid is made of lead, copper, titanium, tantalum, tungsten, aluminum, carbon foam or hard plastics, lead is plated on the surface of a non-lead collector plate grid, and lead plaster solid materials comprise, by weight, 0-90% of lead powder, 1-90% of the lead and graphene composite materials, 0.5-5% of hydrogen-evolution inhibitors and other additives. The lead-carbon battery negative plate containing the lead and graphene composite materials has the advantages that uniform mixing of the lead powder and graphene carbon materials can be achieved, instant large current is effectively buffered, sulfation on the surface of a negative electrode is inhibited, negative electrode charging receiving capability is greatly improved, HRPSoC (high-rate partial state of charge) cycling performance of a battery is remarkably improved, and the lead-carbon battery negative plate is simple in manufacture process and simplified in internal structure and has wide application prospects in the fields of hybrid electric vehicles, solar energy storage, wind energy storage and the like.

Description

technical field [0001] The invention belongs to the technical field of lead-acid batteries, and in particular relates to a lead-carbon battery negative plate containing a lead-graphene composite material. Background technique [0002] With the increasingly prominent oil shortage and urban environmental problems, vigorously developing the new energy industry and the electric vehicle industry has become two important issues facing the sustainable development of the national economy. As a device for energy storage and conversion, the secondary power supply has become the key to restricting the development of these two industries. After more than 150 years of development, lead-acid batteries have the advantages of abundant raw materials, good safety and reliability, high cost performance, and recyclability, and occupy an important position in the field of secondary power sources. With the continuous development of new energy storage and power markets, higher requirements are pl...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01M4/14H01M4/36
CPCY02E60/126Y02E60/10
Inventor 陈建相佳媛丁平孔德帅吴贤章
Owner JIESHOU HUAYU POWER SUPPLY
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