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Lead-carbon battery anode, preparation method thereof and applications thereof

A lead-carbon battery and negative electrode technology, applied in the field of electrochemistry, can solve problems such as short lifespan, and achieve the effect of prolonging the lifespan and slowing down sulfation.

Inactive Publication Date: 2014-05-14
OCEANS KING LIGHTING SCI&TECH CO LTD +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to solve the problem of too short life of the lead-acid battery in the charge-discharge cycle of the maximum rate in the above-mentioned prior art, and to provide a lead-carbon battery negative electrode and its preparation method and application

Method used

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Examples

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preparation example Construction

[0020] The preparation process of the lead-carbon battery negative electrode of the present invention is roughly divided into the following steps: (a) according to the parts by weight of the above-mentioned raw materials, lead powder, barium sulfate, hydrogen evolution inhibitor, graphene, humic acid, red lead and short fiber Pour it into a container after weighing, and stir for 10-20 minutes to fully mix the components.

[0021] (b) According to the parts by weight of the above-mentioned raw materials, water is quickly added into the container, and then stirred for 10-20 minutes.

[0022] (c) Slowly add sulfuric acid into the container according to the parts by weight of the above-mentioned raw materials. The process of adding sulfuric acid is 10-20 minutes, and keep stirring continuously, while controlling the temperature not to exceed 70°C, and then continue stirring 10~20 minutes.

[0023] (d) According to the parts by weight of the above-mentioned raw materials, add the ...

Embodiment 1

[0027] Example 1 The raw materials were weighed according to the following parts by weight: lead powder 100, sulfuric acid 4, polytetrafluoroethylene 0.1, barium sulfate 0.1, indium oxide 0.01, graphene 1, humic acid 1, red lead 5, water 12, nylon 0.1.

[0028] The preparation method of lead-carbon battery negative pole in the present embodiment comprises the following steps: (a) 100 parts of lead powder, 0.1 part of barium sulfate, 0.01 part of indium oxide, 1 part of specific surface area are 900m 2 / g, graphene with a conductivity of 10S / m, 1 part of humic acid, 5 parts of red lead and 0.1 part of nylon weighed and poured into a container, stirred for 10 minutes to fully mix the components.

[0029] (b) Quickly add 12 parts of water into the container, the whole process of adding water is completed within 1 minute, and then stir for 10 minutes.

[0030] (c) The density of 4 parts is 1.1g / cm 3 Sulfuric acid was slowly added into the container, and the process of adding sul...

Embodiment 2

[0033] Example 2 Weigh raw materials by the following parts by weight: lead powder 100, sulfuric acid 10, sodium carboxymethyl cellulose 1, barium sulfate 0.3, bismuth oxide 0.1, graphene 2, humic acid 1.5, red lead 6, water 13, acrylic fiber 0.12.

[0034] The preparation method of the lead-carbon battery negative electrode in this embodiment includes the following steps.

[0035] (a) 100 parts of lead powder, 0.3 part of barium sulfate, 0.1 part of bismuth oxide, 2 parts of specific surface area are 1200m 2 / g, graphene with a conductivity of 100S / m, 1.5 parts of humic acid, 6 parts of red lead and 0.12 parts of acrylic fiber are weighed and poured into the container, and stirred for 15 minutes to make the components fully mixed.

[0036] (b) Quickly add 13 parts of water into the container, the whole process of adding water is completed within 1 minute, and then stir for 15 minutes.

[0037] (c) The density of 10 parts is 1.1g / cm 3 Sulfuric acid was slowly added into t...

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Abstract

The invention relates to a lead-carbon battery anode. The lead-carbon battery anode is prepared from following raw materials parts by weight: 100 parts of lead powder, 4-100 parts of sulfuric acid, 0.1-8 parts of a binder, 0.1-2 parts of barium sulfate, 0.01-2 parts of a hydrogen evolution inhibitor, 1-10 parts of graphene, 1-4 parts of humic acid, 5-15 parts of red lead, 12-21 parts of water and 0.1-0.2 part of short fiber. The invention also relates to a preparation method and applications of the lead-carbon battery anode. According to the lead-carbon battery anode, the graphene is introduced into the anode material and replaces active carbon and a conductive agent in lead-carbon batteries at present, and therefore the graphene can effectively take a share in a part of current in the lead anode under large-current charge-discharge conditions. The specific power of a battery prepared by the lead-carbon battery anode is 50% higher that of a common lead-acid battery. In large-current pulse charge-discharge cycles, the service lifetime of the battery prepared by the lead-carbon battery anode is prolonged by 10 times of that of the common lead-acid battery. Sulfation of a storage battery is largely delayed. The service lifetime of the storage battery in partial charge state working conditions is prolonged.

Description

technical field [0001] The invention relates to the field of electrochemistry, in particular to a lead-carbon battery negative electrode and a preparation method thereof. The invention also relates to the application of the negative pole of the lead-carbon battery as an electrode material in a capacitor or an electrochemical battery. Background technique [0002] The development of lead-acid battery has a history of more than 100 years, and its improved product valve-regulated lead-acid battery (VRLA) also has a history of several decades. It has a wide range of applications, including car ignition devices, small household energy storage devices, and large energy storage devices used in power plants. The wide application of lead-acid batteries, especially valve-regulated lead-acid batteries, is mainly due to their low cost, long life, good safety performance, and the recycling rate of waste batteries is as high as 95%. With the deepening of research, lead-acid batteries wi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01M4/62H01M4/14H01M4/20
CPCH01M4/14H01M4/20H01M4/625Y02E60/10
Inventor 周明杰王要兵钟玲珑吴凤
Owner OCEANS KING LIGHTING SCI&TECH CO LTD
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