Multi-anode lithium metal electrolytic bath

A lithium metal and electrolytic cell technology, applied in the field of electrolytic cells, can solve the problems of accelerating the fracture of graphite anodes, reducing the operating life of anode graphite, and increasing the operating costs of electrolytic cells.

Active Publication Date: 2015-04-29
FENGXIN GANFENG LITHIUM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Because the anode graphite is heavy, and only the upper end of the anode is fixed on the tank cover through the support, the upper end of the anode is broken due to the force, and the upper end of the anode is directly exposed to

Method used

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  • Multi-anode lithium metal electrolytic bath
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  • Multi-anode lithium metal electrolytic bath

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Embodiment Construction

[0027] The following with attached Figure 1 to Figure 5 A multi-anode metal lithium electrolytic cell of the present invention will be further described in detail.

[0028] A kind of multi-anode metal lithium electrolyzer of the present invention, please refer to Figure 1 to Figure 5 , comprising an outer cell body 1, an inner liner body 2, a cathode 5, an anode 7, and a cell cover 3 covering the top of the outer cell body 1 and the inner liner body 2 to form a cavity for accommodating the electrolyte, the cell The cover 3 is provided with a chlorine discharge port 8 for chlorine gas discharge and a lithium discharge port 9 for metal lithium discharge, the cathode 5 is arranged around the outside of the anode 7, and the anode 7 is evenly distributed on the inner liner 2, the cathode 5 is connected to the cathode busbar 11, the anode 7 is connected to the anode busbar 10, the cathode 5 is fixed inside the lining body 2, and the number of the anode 7 is the same as that of th...

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Abstract

The invention discloses a multi-anode lithium metal electrolytic bath. The multi-anode lithium metal electrolytic bath comprises an outer bath body, a lining body, at least four cathodes, at least four anodes and a bath cover covering the upper parts of the outer bath body and the lining body to form a cavity for containing electrolyte; a chlorine gas exhausting hole and a lithium metal discharging hole are formed in the bath cover, the cathodes are arranged around the anodes, the anodes are uniformly distributed in the lining body, the cathode is connected with a cathode busbar, the anode is connected with an anode busbar, the cathode is fixed inside the lining body, the anodes and the cathodes are the same in quantity, the diameter of the anode is 200-300mm, and the upper end of the anode is fixed on the bath cover in an insulating manner, and the lower part of the anode is fixed on the lining body through an anode base in an insulating manner. The multi-anode lithium metal electrolytic bath has a simple structure, the probability that the anode graphite is broken is reduced, the service life of the anode graphite is prolonged, and the lithium metal electrolytic operating cost is reduced.

Description

technical field [0001] The invention relates to an electrolytic cell, in particular to a multi-anode metal lithium electrolytic cell. Background technique [0002] Molten salt electrolysis of a mixture of molten lithium chloride and potassium chloride is currently the only method for the industrial production of lithium metal. The electrolytic cell is the key equipment of electrolysis, and the structure and process parameters of the electrolytic cell determine the economic and technical indicators of electrolysis. The electrolytic cell is generally composed of an outer cell body, a lining body, a cell cover, an anode and a cathode. According to the number of anodes, it can be divided into a single anode electrolytic cell and a multi-anode electrolytic cell. Up-insertion electrolyzers, bottom-insert electrolyzers and side-insert electrolyzers. The plug-in electrolytic cell is an electrolytic cell with simple manufacture, easy installation, low manufacturing cost and long se...

Claims

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Application Information

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IPC IPC(8): C25C7/00C25C3/02C25C7/02
Inventor 李良彬巴雅尔朱实贵王金荣熊训满戴小勇黄亚辉
Owner FENGXIN GANFENG LITHIUM
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