CN214496508U

CN214496508U - Electrolytic copper foil test equipment for lithium ion battery

Info

Publication number: CN214496508U
Application number: CN202023267805.2U
Authority: CN
Inventors: 徐龙; 何桂青; 安聪
Original assignee: Tongling Huachuang New Material Co ltd
Current assignee: Anhui Huachuang New Material Co ltd
Priority date: 2020-12-30
Filing date: 2020-12-30
Publication date: 2021-10-26
Anticipated expiration: 2030-12-30

Abstract

The utility model discloses an electrolytic copper foil test equipment for lithium ion battery, include: a lower tank (1); the high-level tank (2) is communicated with the low-level tank; the electrolytic cell (3) is communicated with the elevated tank, and a cathode roller (4) is adapted in the electrolytic cell; the ball valve (5) is connected between the elevated tank and the bottom of the electrolytic tank; and the filter (6) is connected between the low tank and the high tank. The utility model has the advantages that the requirement that the Hull cell can not complete the copper foil small-scale experiment is improved; the influence of the flow velocity on the performance of the copper foil can be researched; the active carbon filter is designed, so that the additive can be adsorbed, the experiment can be repeated, and the experiment efficiency is improved.

Description

Electrolytic copper foil test equipment for lithium ion battery

Technical Field

The utility model relates to a copper foil production facility technical field especially relates to an electrolytic copper foil test equipment for lithium ion battery.

Background

The most common experimental equipment for copper foil electrolysis experiments in the market is a Hull cell, but the Hull cell can only show the plating foil surface effect of different additive systems under fixed conditions, and can not adjust related factors such as different flow rates and cathode roller rotating speed. And the Hull cell test results can not be carried out on various physical tests (such as tensile strength, elongation, warping degree and the like), so that it is necessary to design an electrolytic copper foil test device for a lithium ion battery.

Chinese utility model patent publication No. CN205803619U discloses a copper foil electrolysis device, which adopts a copper ion concentration control electrolysis device to perform cathode adsorption on copper ions in a heat-resistant barrier layer treatment solution, can effectively reduce the copper ion concentration in the barrier layer treatment solution, controls the copper ions in the treatment solution within an upper limit range, reduces the adverse effect of copper on a zinc-nickel alloy layer, stabilizes the product quality, and reduces economic loss; the negative plate is arranged in a net shape and made of stainless steel, so that copper ions can be effectively adsorbed, and meanwhile, the circulation of a treatment liquid of the heat-resistant barrier layer is ensured; physical tests are likewise not possible.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is that traditional hall groove method can't test the copper foil performance, provides an electrolytic copper foil test equipment for lithium ion battery for this reason.

The technical scheme of the utility model is that: an electrolytic copper foil test apparatus for a lithium ion battery, comprising: a low tank; the high-level tank is communicated with the low-level tank; the electrolytic cell is communicated with the elevated tank, and a cathode roller is adapted in the electrolytic cell; the ball valve is connected between the elevated tank and the bottom of the electrolytic tank; and the filter is connected between the low tank and the high tank.

In the scheme, a centrifugal pump is connected between the low-level tank and the filter.

In the scheme, the elevated tank comprises a cavity formed by an upper cover plate, a side plate and a bottom plate, a supporting plate fixedly connected with the bottom plate is arranged in the cavity, and a horizontal guide plate is fixedly connected to the top of the supporting plate.

In the scheme, the low-level tank comprises a cavity body formed by an upper cover plate, a side plate and a bottom plate, and the side plate is provided with a liquid level observation window.

In the scheme, the filter is an activated carbon filter.

In the scheme, the electrolytic cell comprises a cylindrical shell and an electrolytic cell bottom plate, wherein a titanium anode plate is arranged on the inner wall of the cylindrical shell, and a backing plate is arranged between the titanium anode plate and the electrolytic cell bottom plate

The utility model has the advantages that the requirement that the Hull cell can not complete the copper foil small-scale experiment is improved; the influence of the flow velocity on the performance of the copper foil can be researched; the active carbon filter is designed, so that the additive can be adsorbed, the experiment can be repeated, and the experiment efficiency is improved.

Drawings

FIG. 1 is a schematic view of the present invention;

FIG. 2 is a schematic view of the head tank of FIG. 1;

FIG. 3 is a schematic view of the lower tank of FIG. 1;

FIG. 4 is a schematic view of the cell of FIG. 1;

in the figure, 1, a low tank, 2, a high tank, 21, an upper cover plate, 22, a side plate, 23, a bottom plate, 24, a support plate, 25, a horizontal guide plate, 3, an electrolytic tank, 31, a shell, 32, a titanium anode plate, 33, a backing plate, 34, an electrolytic tank bottom plate, 4, a cathode roller, 5, a ball valve, 6, a filter, 7 and a centrifugal pump.

Detailed Description

The technical solution in the embodiment of the present invention is clearly and completely described below with reference to the accompanying drawings. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments in the present invention, all other embodiments of the ordinary skilled person in the art without creative work belong to the protection scope of the present invention.

As shown in fig. 1, the utility model comprises: a low tank 1; the high-level tank 2 is communicated with the low-level tank; the electrolytic cell 3 is communicated with the elevated tank, and a cathode roller 4 is adapted in the electrolytic cell; the ball valve 5 is connected between the elevated tank and the bottom of the electrolytic tank; and the filter 6 is connected between the low tank and the high tank. A centrifugal pump 7 is connected between the low-level tank and the filter.

As shown in fig. 2, the elevated tank includes a cavity formed by an upper cover plate 21, a side plate 22 and a bottom plate 23, a support plate 24 fixedly connected with the bottom plate is arranged in the cavity, and a horizontal guide plate 25 is fixedly connected to the top of the support plate. The support plate 24 and the horizontal guide plate 25 form an L-shaped structure for guiding the electrolyte.

As shown in fig. 3, the low-level tank includes a cavity formed by an upper cover plate, a side plate and a bottom plate, and the side plate is provided with a liquid level observation window.

As shown in figure 4, the electrolytic bath is a cylindrical shell 31, a titanium anode plate 32 is positioned on the inner wall of the cylindrical shell, the titanium anode plate is carried on a backing plate 33, the bottom of the backing plate is fixed on a bottom plate 34 of the electrolytic bath, and a through hole for liquid inlet is formed in the center of the bottom plate of the electrolytic bath. The cathode roll is arranged at the center of the cylindrical shell.

The Hull cell is a copper foil which cannot be peeled and is electroplated on a brass sheet, the performance cannot be tested, the cathode of the device is designed into a small titanium cathode roller, and the copper foil can be directly peeled and tested.

The utility model discloses a design like this: copper sulfate electrolyte is prepared at the low-order jar, carries high-order jar with electrolyte through the centrifugal pump in, and high-order jar electrolyte passes through gravity and carries the electrolysis trough, and there is the ball valve that the regulation flow was used below the electrolysis trough, and the rotational speed also can be adjusted to the cathode roll, has still added the active carbon filter in the design, and the electrolyte that has once tested still can open the active carbon filter valve, adsorbs the additive, has practiced thrift the experiment cost, has improved experimental efficiency.

Claims

1. An electrolytic copper foil test device for a lithium ion battery is characterized in that: the method comprises the following steps: a lower tank (1); the high-level tank (2) is communicated with the low-level tank; the electrolytic cell (3) is communicated with the elevated tank, and a cathode roller (4) is adapted in the electrolytic cell; the ball valve (5) is connected between the elevated tank and the bottom of the electrolytic tank; and the filter (6) is connected between the low tank and the high tank.

2. The electrolytic copper foil test equipment for the lithium ion battery according to claim 1, wherein: a centrifugal pump (7) is connected between the low-level tank and the filter.

3. The electrolytic copper foil test equipment for the lithium ion battery according to claim 1, wherein: the elevated tank comprises a cavity formed by an upper cover plate (21), a side plate (22) and a bottom plate (23), a supporting plate (24) fixedly connected with the bottom plate is arranged in the cavity, and a horizontal guide plate (25) is fixedly connected to the top of the supporting plate.

4. The electrolytic copper foil test equipment for the lithium ion battery according to claim 1, wherein: the low-level tank comprises a cavity body formed by an upper cover plate, a side plate and a bottom plate, and the side plate is provided with a liquid level observation window.

5. The electrolytic copper foil test equipment for the lithium ion battery according to claim 1, wherein: the filter is an activated carbon filter.

6. The electrolytic copper foil test equipment for the lithium ion battery according to claim 1, wherein: the electrolytic cell comprises a cylindrical shell (31) and an electrolytic cell bottom plate (34), wherein a titanium anode plate (32) is arranged on the inner wall of the cylindrical shell (31), and a backing plate (33) is arranged between the titanium anode plate (32) and the electrolytic cell bottom plate (34).