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Hydrogel electrolyte for zinc-manganese battery, preparation method of hydrogel electrolyte, zinc-manganese battery and preparation method of zinc-manganese battery

A zinc-manganese battery and electrolyte technology, applied in secondary batteries, secondary battery repair/maintenance, circuits, etc., can solve the problems of flammable machinery, inflexibility, and obstacles to large-scale applications, and achieve high stretchability, The effect of improving the interface binding force

Pending Publication Date: 2022-08-05
NINGBO INST OF NORTHWESTERN POLYTECHNICAL UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] Lithium-ion batteries (LIBs) dominate the market due to their high energy density and light weight, however, LIBs also suffer from many disadvantages, mainly including high cost, flammability, and mechanical inflexibility, which hinder their large-scale application.

Method used

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  • Hydrogel electrolyte for zinc-manganese battery, preparation method of hydrogel electrolyte, zinc-manganese battery and preparation method of zinc-manganese battery
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  • Hydrogel electrolyte for zinc-manganese battery, preparation method of hydrogel electrolyte, zinc-manganese battery and preparation method of zinc-manganese battery

Examples

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Effect test

Embodiment 1

[0043]A hydrogel electrolyte, the components of which are shown in Table 1Poly-1, and the preparation method is:

[0044] S1, the Zn (CF 3 SO 3 )O 2 Dissolved in water and stirred to form a suspension with a concentration of 0.5mol / L;

[0045] S2. Weigh the polymer monomer, the crosslinking agent and the photoinitiator and add them to the suspension, control the temperature to be 25°C, and stir for 10min to obtain the precursor solution;

[0046] S3. Put the precursor solution obtained in S2 into the resin tank, and obtain the hydrogel electrolyte Poly-1 by 3D printing. The exposure time of 3D printing is 14s, and the layer thickness is 0.05mm.

Embodiment 2

[0048] A hydrogel electrolyte, whose components are shown in Table 1 Poly-2, differs from Example 1 only in that the concentration of the suspension in the hydrogel electrolyte of this example is 1 mol / L.

Embodiment 3

[0050] A hydrogel electrolyte, whose components are shown in Table 1 Poly-3, differs from Example 1 only in that the concentration of the suspension in the hydrogel electrolyte of this example is 2 mol / L.

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Abstract

The invention provides a hydrogel electrolyte for a zinc-manganese battery, the hydrogel electrolyte comprises the following components in percentage by mass: 6-9% of a polymer monomer, 0.06-0.08% of a cross-linking agent, 0.02-0.027% of a photoinitiator, 30-50% of zinc salt and 40-65% of water, the invention also provides a preparation method of the hydrogel electrolyte, and on the basis, the hydrogel electrolyte is prepared from the following components in percentage by mass: 1-10% of a polymer monomer, 1-10% of a cross-linking agent, 0.02-0.027% of a photoinitiator, 30-50% of zinc salt and 40-65% of water. The invention also discloses a zinc-manganese battery and a preparation method thereof, the hydrogel electrolyte disclosed by the invention is applied to the zinc-manganese battery, compared with the prior art, based on the hydrogel electrolyte composed of the polymer monomer and the photoinitiator, the content of the zinc salt in the components can be adjusted, and the content of the zinc salt in the components can be adjusted. Therefore, the hydrogel electrolyte has excellent electrochemical performance, and has high electrode / electrolyte interface bonding capacity during extreme deformation.

Description

technical field [0001] The invention relates to the field of zinc-manganese batteries, in particular to a hydrogel electrolyte for zinc-manganese batteries and a preparation method thereof, a zinc-manganese battery and a preparation method thereof. Background technique [0002] The internal interstitial spaces of hydrogels are filled with solvent water, making them ideal electrolyte materials for flexible energy storage devices. Furthermore, the highly abundant and tunable chemistry of hydrogels allows the introduction of new functionalities into existing hydrogels, allowing the fabrication of novel energy storage devices with additional functionalities. [0003] Lithium-ion batteries (LIBs) dominate the market due to their high energy density and light weight. However, LIBs also suffer from many disadvantages, mainly including high cost, flammability, and mechanical inflexibility, which hinder their large-scale application. . Moreover, one of the most important reasons is...

Claims

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Application Information

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IPC IPC(8): C08F220/56C08F222/20C08J3/075H01M10/36H01M10/38H01M10/42
CPCC08F220/56C08F222/20C08J3/075H01M10/36H01M10/38H01M10/4235H01M2300/0085C08F222/1063Y02P70/50
Inventor 张彪王珲刘福康崔晶晶鲁喆胡光
Owner NINGBO INST OF NORTHWESTERN POLYTECHNICAL UNIV
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