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A kind of liquid battery and preparation method thereof

A liquid battery and liquid technology, applied in the direction of secondary batteries, circuits, electrical components, etc., can solve the problems of lower battery production efficiency, complicated battery formation process, long formation time, etc., to shorten the formation time, suppress interfacial tension, improve Infiltrating effect

Active Publication Date: 2021-06-08
XIAN XD ELECTRIC RES INST CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, the formation process of the battery assembled by the existing assembly method is complicated and the formation time is long. Not only that, it is difficult to effectively solve the interface instability problem caused by the internal material of the battery simply by relying on the external temperature field and electric field regulation, and the battery often needs to be repeatedly formed. Meet the use requirements and reduce the battery production efficiency

Method used

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  • A kind of liquid battery and preparation method thereof

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Comparison scheme
Effect test

Embodiment 1

[0047] This embodiment provides a kind of Li-Pb liquid metal battery, positive electrode material is Pb (180g), negative electrode material Li (2.6g), electrolyte material is the mixture (118g) of LiF, LiCl, LiBr of mass ratio 1:2:7 ), the transition material is zirconia (10.3g).

[0048]Step 1, making the positive electrode of the battery;

[0049] Mix 180g of battery positive electrode material Pb with a certain amount of the first electrolyte material and the first transition material zirconia to form a positive electrode mixture, heat the positive electrode mixture to a molten state, heat and stir for 15 minutes, then let it stand for 15 minutes, and then cool to room temperature;

[0050] Among them, 11.8g of the first electrolyte material in the positive electrode mixture is used in an amount of 10% of the rated amount of the battery electrolyte material; 9.6g of the first transition material zirconia is used in an amount of 5% of the sum of Pb and the first electrolyte ...

Embodiment 2

[0064] This embodiment provides a kind of Li-Pb / Sb liquid metal battery, positive electrode material Pb / Sb alloy (290g), negative electrode material Li (13g), electrolyte material is LiF, LiCl, LiBr of mass ratio 1:2:7 Mixture (326g), transition material gallium nitride alloy (40.1g).

[0065] Step 1, making the positive electrode of the battery;

[0066] Mix 290g of Pb / Sb alloy, the positive electrode material of the battery, with a certain amount of the first electrolyte material and the first transition material gallium nitride to form a positive electrode mixture, heat the positive electrode mixture to a molten state, heat and stir for 20 minutes, then let it stand for 20 minutes, and then cool to room temperature ;

[0067] Among them, the first electrolyte material in the positive electrode mixture is 48.9g, and the dosage is 15% of the rated dosage of the battery electrolyte material; the first transition material gallium nitride is 33.9g, and the dosage is the sum of ...

Embodiment 3

[0080] This embodiment provides a kind of Li-Sn / Sb liquid metal battery, positive electrode material Sn / Sb alloy (170g), negative electrode material Li (12g), electrolyte material is LiF, LiCl, LiBr of mass ratio 1:2:7 Mixture (mass ratio 1:2:7) (150g), transition material alumina (30g), boron nitride (6.3g).

[0081] Step 1, making the positive electrode of the battery;

[0082] Mix 170g of the positive electrode material Sn / Sb alloy of the battery with a certain amount of the first electrolyte material and the first transition material alumina to form a positive electrode mixture, heat the positive electrode mixture to a molten state, heat and stir for 25 minutes, then let it stand for 25 minutes, and then cool to room temperature;

[0083] Wherein, the first electrolyte material in the positive electrode mixture is 30g, and the dosage is 20% of the rated dosage of the battery electrolyte material; the first transition material alumina is 30g, and the dosage is 15% of the su...

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Abstract

The invention provides a liquid battery and a preparation method thereof. The liquid battery is composed of a liquid positive electrode mixture, a liquid negative electrode mixture, and an electrolyte; the liquid positive electrode mixture contains a positive electrode material, a first electrolyte material, and a first transition material; the liquid negative electrode mixture contains a negative electrode material, a second electrolyte material, a second transition material. The present invention also provides a preparation method of the above-mentioned liquid battery. The liquid battery of the present invention has short formation time, high coulombic efficiency and high energy efficiency.

Description

technical field [0001] The invention relates to a battery and a preparation method thereof, in particular to a liquid battery and a preparation method thereof, belonging to the technical field of battery materials. Background technique [0002] Liquid metal battery is a new battery technology for grid energy storage. The battery consists of upper and lower layers of liquid metal electrodes and an inorganic molten salt electrolyte in the middle. In the whole battery structure, the density of the liquid metal in the upper negative electrode is the smallest, the density of the liquid metal in the lower positive electrode is the highest, and the density of the molten salt electrolyte layer is in the middle. The density difference is automatically layered. [0003] Compared with solid-state electrode batteries such as lithium-ion batteries, the unique three-layer liquid structure of liquid metal batteries can effectively avoid the problem of dendrite growth caused by solid-stat...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01M10/38
CPCH01M10/38Y02E60/10Y02P70/50
Inventor 张坤牛帅彭勃
Owner XIAN XD ELECTRIC RES INST CO LTD
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