Environment-friendly geopolymer battery and preparation method thereof

A geopolymer and environmental protection technology, applied in the field of environmentally friendly geopolymer batteries and its preparation, can solve the problems of high recovery rate of disposable battery recycling cost, enterprises' reluctance to recycle and dispose, battery loss, etc., and achieve good mechanical integrity , High metal utilization rate, high discharge efficiency

Active Publication Date: 2021-12-21
广东至道先进土木工程材料技术研究有限公司
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Problems solved by technology

[0005] The high cost of recycling disposable batteries is the main factor affecting their recycling rate
The recycling cost of disposable batteries is almost the same as the sales price of processed finished products after treatment, even upside down, which means that there will be losses in the disposal of these batteries, so many companies are unwilling to recycle and dispose of them

Method used

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  • Environment-friendly geopolymer battery and preparation method thereof

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preparation example Construction

[0068] This technical solution also proposes a preparation method of an environmentally friendly geopolymer battery, which is used for the above-mentioned environmentally friendly geopolymer battery, including the following steps:

[0069] (1) Mixing granulated blast furnace slag and fly ash according to the ratio to obtain geopolymer powder;

[0070] (2) Stir the geopolymer powder and the potassium-based base activator according to the proportioning ratio, add manganese dioxide powder and graphite powder in the stirred geopolymer powder and the potassium-based base activator and stir again to obtain positive Electrode mixture;

[0071] (3) placing the first metal patch on the bottom of the mold, pouring the positive electrode mixture into the mold, and forming the positive electrode layer 2 after curing;

[0072] (4) Stir the geopolymer powder and the potassium-based base activator according to the proportioning ratio to obtain the electrolyte mixture;

[0073] (5) pouring ...

Embodiment 1

[0078] Embodiment 1 - a kind of preparation method of environment-friendly geopolymer battery

[0079] (1) 5 parts of S105 grade granulated blast furnace slag and 2 parts of fly ash are mixed to obtain geopolymer powder;

[0080] (2) 40 parts of geopolymer powder and 20 parts of potassium silicate aqueous solution with a modulus of 2.0 and a concentration of 48% were stirred for 1 min at a speed of 700 r / min, and the stirred geopolymer powder and silicic acid Add 15 parts of 300-mesh electrolytic manganese dioxide powder and 2 parts of 3000-mesh graphite powder into the potassium aqueous solution and stir for 1 min at a speed of 700 r / min to obtain a positive electrode mixture;

[0081] (3) Place the first metal patch with a size of 20mm*20mm and a resistivity of 0.1μΩ*m at the bottom of a mold with a length of 4cm and a width of 1cm, pour the positive electrode mixture into the mold, let it stand for 2min, and then solidify to form A positive electrode layer 2 with a thickne...

Embodiment 2

[0086] Embodiment 2 - a kind of preparation method of environment-friendly geopolymer battery

[0087] (1) Mix 6 parts of S105 grade granulated blast furnace slag and 3 parts of fly ash to obtain geopolymer powder;

[0088](2) 45 parts of geopolymer powder and 20 parts of potassium silicate aqueous solution with a modulus of 2.1 and a concentration of 50% were stirred for 1 min at a speed of 850 r / min, and the stirred geopolymer powder and silicic acid Add 20 parts of 350-mesh electrolytic manganese dioxide powder and 3 parts of 4000-mesh graphite powder into the potassium aqueous solution and stir for 1 min at a speed of 850 r / min to obtain a positive electrode mixture;

[0089] (3) Place the first metal patch with a size of 20mm*20mm and a resistivity of 0.05μΩ*m at the bottom of a mold with a length of 5cm and a width of 2cm, pour the positive electrode mixture into the mold, and let it stand for 2 minutes to solidify and form A positive electrode layer 2 with a thickness ...

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Abstract

The invention discloses an environment-friendly geopolymer battery, which comprises a first metal patch, a positive electrode layer, an electrolyte layer, a negative electrode layer and a second metal patch from top to bottom; The raw materials include 40 to 50 parts of geopolymer powder, 20 to 30 parts of potassium base activator, 15 to 25 parts of manganese dioxide powder and 2 to 3 parts of graphite powder; the raw materials of the electrolyte layer include 4 to 5 parts of earth polymer powder and 4-5 parts of potassium-based base activator; the raw materials of the negative electrode layer include 40-50 parts of geopolymer powder, 20-30 parts of potassium-based base activator and 10-20 parts of zinc powder. The environmentally friendly geopolymer battery proposed in the technical solution has a stable current output, can effectively improve the metal utilization rate of the battery and reduce its recycling cost, and has little impact on the environment. Furthermore, a method for preparing the above-mentioned environment-friendly geopolymer battery is proposed, which has a simple process and strong operability, and is beneficial to ensure the stable current output of the geopolymer battery.

Description

technical field [0001] The invention relates to the technical field of dry batteries, in particular to an environment-friendly geopolymer battery and a preparation method thereof. Background technique [0002] Civilian dry batteries are the most widely used and scattered battery products. According to the "China Renewable Resources Recycling Industry Development Report (2016)" released by the Circulation Industry Development Department of the Ministry of Commerce and the China Materials Recycling Association, in 2015 my country consumed 22.974 billion batteries. However, in 2015, the recycling volume of waste batteries (except lead-acid batteries) in my country was about 100,000 tons, of which, the recycling volume of waste primary batteries was about 30,000 tons, and the recycling volume of waste secondary batteries was about 70,000 tons. Converted to an average of 25 grams per battery, the recycling volume of primary batteries is about 1.2 billion, and the recycling volume...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01M6/06H01M4/50H01M4/62
CPCH01M6/06H01M4/50H01M4/625
Inventor 潘一帆邝文辉孙长生张大康张玉露周光星邓波
Owner 广东至道先进土木工程材料技术研究有限公司
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