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Nanometer carbon-lead super capacitor battery

A supercapacitor battery and nanocarbon technology, applied in lead-acid batteries, hybrid capacitor electrodes, battery electrodes, etc., can solve the problems of unsafe lithium batteries and low energy density of lead-acid batteries, and reduce lead pollution and lead consumption. Reduced, wide-ranging effects

Active Publication Date: 2013-07-24
JIANGSU HUAFU STORAGE NEW TECH DEV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] Purpose of the invention: The present invention aims at the defects of low energy density of lead-acid batteries and unsafe lithium batteries in the prior art, and provides a nano-carbon lead supercapacitor battery

Method used

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  • Nanometer carbon-lead super capacitor battery
  • Nanometer carbon-lead super capacitor battery
  • Nanometer carbon-lead super capacitor battery

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030] The carbon nanomaterial and the foamed lead composite material are prepared by an electrodeposition method, and the electrodeposition method includes the following steps:

[0031] 1) Prepare the electrodeposition solution;

[0032] 2) Add carbon nanomaterials to the electrodeposition solution in step 1). At this time, the electrodeposition solution includes lead ions with a concentration of 100g / L, carbon nanomaterials with a concentration of 0.9g / L, and lead ions with a concentration of 30g / L. Fluoroboric acid, boric acid with a concentration of 20g / L and peptone with a concentration of 0.9g / L;

[0033] 3) Conduct electrodeposition, wherein the apparent current density of the electrodeposited cathode is 300A / m 2 , the temperature is 20°C, and after electrodeposition, the composite material of carbon nanometer material and lead foam is obtained.

Embodiment 2

[0035] The other steps are the same, the concentration of each component of the electrodeposition solution adding carbon nanomaterials is: lead ion concentration 150g / L, carbon nanomaterials 1.0g / L, fluoboric acid concentration 30g / L, boric acid concentration 20g / L, peptone concentration 1.0g / L. During the electrodeposition process, the apparent current density of the electrodeposition cathode is 300A / m 2 , temperature 25°C.

Embodiment 3

[0037] The other steps are the same, the concentration of each component of the electrodeposition solution adding carbon nanomaterials is: lead ion concentration 150g / L, carbon nanomaterials 1.0g / L, fluoboric acid concentration 40g / L, boric acid concentration 20g / L, additive peptone concentration 1.0 g / L. During the electrodeposition process, the apparent current density of the electrodeposition cathode is 400A / m 2 , temperature 25°C.

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Abstract

The invention discloses a nanometer carbon-lead super capacitor battery, which comprises electrodes, wherein the electrodes are made of a carbon nanomaterial and a foam lead composite material; the carbon nanomaterial and the foam lead composite material are prepared by adopting an electrolytic deposition method; and the electrolytic deposition method comprises the following steps: preparing an electrolytic deposition solution; adding a carbon nanomaterial into the electrolytic deposition solution prepared in the step (1); and performing electrolytic deposition to obtain the carbon nanomaterial and the foam lead composite material. According to the nanometer carbon-lead super capacitor battery disclosed by the invention, a lead-acid battery is combined with a super capacitor, so that high energy storage density and high power density are realized simultaneously; high charging and discharging performances are achieved, and the charging speed of the battery is the same as the discharging speed in an unsaturated charging running mode; a carbon material can be used for preventing the phenomenon of sulfation on the cathode, so that a past failure factor of the battery is improved, and the service life of the battery is prolonged; and the nanometer carbon-lead super capacitor battery has very high safety performance, and is an environment-friendly safe battery.

Description

technical field [0001] The invention belongs to the related field of chemical power sources, and in particular relates to a nano-carbon-lead supercapacitor battery. Background technique [0002] Lead-acid batteries are the earliest batteries used in the automotive field. Lead-acid batteries have survived for 150 years. In the decades when new batteries such as nickel-cadmium batteries, nickel-hydrogen batteries, and lithium-ion batteries have been on the market, they can still firmly occupy most of the market share. [0003] Table 1 Performance comparison of lead-acid (SLA) batteries, nickel-cadmium (Ni-Cd) batteries, nickel-hydrogen (Ni-MH) batteries and lithium-ion (Li-ion) batteries. [0004] [0005] As shown in Table 1, the initial voltage of lead-acid batteries is higher than that of traditional nickel-cadmium (Ni-Cd) batteries and nickel-hydrogen (Ni-MH) batteries, while the energy density is lower than that of nickel-cadmium, nickel-hydrogen and lithium batteries...

Claims

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Application Information

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IPC IPC(8): H01G11/36H01M4/38H01M10/06
CPCY02E60/13Y02E60/126Y02E60/10
Inventor 魏迪黄毅吴战宇周寿斌
Owner JIANGSU HUAFU STORAGE NEW TECH DEV
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