CN214153027U

CN214153027U - Visual lithium cell

Info

Publication number: CN214153027U
Application number: CN202021928048.6U
Authority: CN
Inventors: 郭磊斌; 白宗亮; 刘琦
Original assignee: Chengdu Yinlong New Energy Co ltd; Yinlong New Energy Co Ltd
Current assignee: Chengdu Yinlong New Energy Co ltd; Yinlong New Energy Co Ltd
Priority date: 2020-09-07
Filing date: 2020-09-07
Publication date: 2021-09-07
Anticipated expiration: 2030-09-07

Abstract

The utility model discloses a visual lithium cell, including electric core, the cover is equipped with the transparent glass steel shell that conveniently is used for observing electric core on the electric core. The two ends of the electric core are connected with current collecting plates, the other ends of the current collecting plates are connected with pole column heads, one end of the transparent glass fiber reinforced plastic shell is open, a through hole for the threaded section of one of the pole column heads to pass through is formed in the other end of the transparent glass fiber reinforced plastic shell, a connecting cover is sleeved at the open end of the transparent glass fiber reinforced plastic shell, a round hole for the threaded section of the other pole column head to pass through is formed in the connecting cover, and the threaded sections on the two pole column heads are screwed in or out of fastening nuts, so that the transparent glass fiber reinforced plastic shell and the connecting cover can be assembled or disassembled. The visual reference is provided for observing the pole piece material reaction condition, the internal gas generation, the internal short circuit reaction, the pole piece material falling condition, the pole piece SEI film formation and the battery proportion of the lithium battery, the screw thread screwing-in and screwing-out are realized, the installation and the disassembly are convenient, and the operation is simple and convenient.

Description

Visual lithium cell

Technical Field

The utility model belongs to the technical field of the battery, especially, relate to a visual lithium cell.

Background

At present, a battery shell in the lithium battery industry is made of a metal material, and the reaction condition of a pole piece material in the battery cannot be seen. In order to meet market requirements, the materials and the proportion of the battery need to be adjusted, the proportion of different battery materials and the internal reaction and the exhaust volume of the battery are different, so that the visual lithium battery has important reference significance as the proportion of the lithium battery and the intuition of the internal change of the battery.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a visual lithium cell to solve the problem of background art.

In order to achieve the above object, the utility model discloses a visual lithium cell's concrete technical scheme as follows:

the visual lithium battery comprises an electric core, wherein a transparent glass fiber reinforced plastic shell used for observing the electric core is sleeved on the electric core.

The both ends of electric core are connected with the current collector, the other end of current collector is connected with the utmost point column cap, the one end that the current collector was kept away from to utmost point post head is fixed electric core and is connected external power source's screw thread section structure, the one end of transparent glass steel shell is uncovered form, the through-hole that the screw thread section that supplies one of them utmost point column cap passed is seted up to the other end, transparent glass steel shell open end cover is equipped with the connection lid, set up the round hole that the screw thread section that supplies another utmost point column cap passed on the connection lid, screw thread section precession or screw-out fastening nut on two utmost point column caps, realize transparent glass steel shell and connection lid's assembly or dismantlement.

Further, the lateral wall of the open end of the transparent glass fiber reinforced plastic shell is in an external thread shape, and the inner wall of the connecting cover is in an internal thread shape which is in threaded sleeve connection with the external thread of the transparent glass fiber reinforced plastic shell in a matching manner.

Furthermore, the connection mode of the battery core, the pole head and the current collecting plate is fixed by laser welding.

Furthermore, the current collecting plate is made of metal materials and is of a U-shaped structure with an axial stretching and extending effect.

Furthermore, a sealing ring with a sealing and buffering effect is arranged at the threaded connection position of the transparent glass fiber reinforced plastic shell and the connecting cover.

Furthermore, a section of the threaded section of the pole head, which is positioned inside the transparent glass fiber reinforced plastic shell, is sleeved with a sealing gasket which plays a role in sealing and buffering.

Furthermore, an exhaust valve for exhausting gas during formation of the battery core is mounted on the side wall of the connecting cover.

Furthermore, the exhaust valve is screwed into the side wall of the connecting cover through threads.

Compared with the prior art, the utility model discloses following beneficial effect has: this visual lithium cell, for the lithium cell observe pole piece material reaction condition, inside gaseous production, inside short circuit reaction, the inside pole piece material electrolyte soaking condition, the pole piece falls the material condition, the formation and the battery ratio of pole piece SEI membrane provide visual reference, screw in and screw out through the screw thread, easy to assemble and dismantlement, it is easy and simple to handle.

Drawings

Fig. 1 is a schematic view of the three-dimensional explosion structure of the present invention;

FIG. 2 is a schematic view of the front view of the explosion structure of the present invention;

fig. 3 is the utility model discloses the assembly is accomplished spatial structure sketch map.

The reference numbers in the figures illustrate: the battery comprises a battery core 1, a pole head 2, a current collecting plate 3, a transparent glass fiber reinforced plastic shell 4, a connecting cover 5, a sealing ring 6, a sealing gasket 7, a fastening nut 8 and an exhaust valve 9.

Detailed Description

For a better understanding of the objects, structure and function of the invention, reference should be made to the drawings, FIGS. 1-3, which are included to illustrate the invention.

A visual lithium battery comprises an electric core 1, a transparent glass fiber reinforced plastic casing 4 which is convenient for observing the electric core 1 is sleeved on the electric core 1, the transparent glass fiber reinforced plastic casing 4 is made of glass fiber reinforced plastic and has high light transmission, corrosion resistance and high pressure resistance, both ends of the electric core 1 are connected with current collecting plates 3, the other ends of the current collecting plates 3 are connected with pole heads 2, the electric core 1 and the pole heads 2 are fixedly connected with the current collecting plates 3 by laser welding, the connection is firm, the current collecting plates 3 are made of metal materials, the pole plates 3 are in U-shaped structures with axial stretching and extending functions, one ends of the pole heads 2 far away from the current collecting plates 3 are in a threaded section structure for fixing the electric core 1 and connecting an external power supply, one end of the transparent glass fiber reinforced plastic casing 4 is in an open shape, the other ends are provided with through holes for the threaded section of one of the pole heads 2 to pass through, the open-end of the transparent glass fiber reinforced plastic casing 4 is sleeved with a connecting cover 5, the lateral wall of the connecting cover 5 is provided with an exhaust valve 9 for exhausting when the battery core 1 is formed, and the exhaust valve 9 is screwed into the lateral wall of the connecting cover 5 through threads, so that the safety of the visual lithium battery and the air tightness of the assembly body are protected.

The lateral wall of 4 opening ends of transparent glass steel shell is the external screw thread form, the inner wall of connecting cover 5 is the internal screw thread form that cup joints with 4 external screw thread matching screw threads of transparent glass steel shell, threaded connection, and is easy and simple to handle, transparent glass steel shell 4 is provided with the sealing washer 6 that plays sealed cushioning effect with connecting cover 5 threaded connection department, set up the round hole that supplies the screw thread section of another utmost point column cap 2 to pass on connecting cover 5, screw thread section precession or screw-out fastening nut 8 on two utmost point column caps 2, realize transparent glass steel shell 4 and connecting cover 5's assembly or dismantlement, one section cover that utmost point column cap 2 screw thread section is located transparent glass steel shell 4 inside is equipped with sealed pad 7 that plays sealed cushioning effect.

The positive and negative pole heads 2 are respectively welded with the positive and negative current collecting plates 3 in a laser mode, then the positive and negative poles of the wound battery core 1 are vibrated or rubbed flat, the other ends of the positive and negative current collecting plates 3 are welded with the battery core 1 in a laser mode, the sealing gasket 7 is sleeved at the threaded end of the pole head 2, one pole head 2 is inwards installed into the transparent glass fiber reinforced plastic shell 4, the sealing ring 6 is installed in the connecting cover 5 and screwed into the external threaded end of the opening of the transparent glass fiber reinforced plastic shell 4, the threaded end of the end portion of the pole head 2 is screwed into the fastening nut 8 and is fastened and fixed, and the exhaust valve 9 is connected and fastened with the side wall of the connecting cover 5 through threads.

The visual reference is provided for observing the pole piece material reaction condition, the internal gas generation, the internal short circuit reaction, the internal pole piece material electrolyte soaking condition, the pole piece material falling condition, the pole piece SEI film formation and the battery proportion of the lithium battery, the screw thread screwing-in and screwing-out are realized, the installation and the disassembly are convenient, and the operation is simple and convenient.

It is to be understood that the present invention has been described with reference to certain embodiments, and that various changes or equivalents may be substituted for elements thereof by those skilled in the art without departing from the spirit and scope of the invention. In addition, many modifications may be made to adapt a particular situation or material to the teachings of the invention without departing from the essential scope thereof. Therefore, the present invention is not limited to the specific embodiments disclosed herein, and all embodiments falling within the scope of the claims of the present application are intended to be covered by the present invention.

Claims

1. The utility model provides a visual lithium cell, includes electric core (1), its characterized in that: the electric core (1) is sleeved with a transparent glass fiber reinforced plastic shell (4) for observing the electric core (1);

the both ends of electric core (1) are connected with current collector plate (3), the other end of current collector plate (3) is connected with utmost point post head (2), the one end that current collector plate (3) were kept away from in utmost point post head (2) is fixed electric core (1) and is connected external power source's screw thread section structure, the one end of clear glass steel shell (4) is uncovered form, the through-hole that the screw thread section that supplies one of them utmost point post head (2) to pass is seted up to the other end, clear glass steel shell (4) opening pot head cover is equipped with connection cover (5), set up the round hole that the screw thread section that supplies another utmost point post head (2) to pass on connection cover (5), screw thread section precession or screw-out fastening nut (8) on two utmost point post heads (2), thereby make clear glass steel shell (4) and be connected with dismantling of connection cover (5) to be connected.

2. The visual lithium battery as claimed in claim 1, wherein the outer side wall of the open end of the transparent glass fiber reinforced plastic casing (4) is in the shape of external thread, and the inner wall of the connecting cover (5) is in the shape of internal thread which is matched with the external thread of the transparent glass fiber reinforced plastic casing (4) and is in threaded sleeve connection.

3. The visual lithium battery of claim 2, wherein the cell (1) and the post head (2) are connected with the current collecting plate (3) by laser welding.

4. A lithium battery as claimed in claim 3, characterized in that said collector plate (3) is made of metal, and said collector plate (3) has a U-shaped structure with axial stretching and elongation.

5. The lithium visual battery according to claim 3, characterized in that the screw thread connection between the transparent glass fiber reinforced plastic shell (4) and the connection cover (5) is provided with a sealing ring (6) for sealing and buffering.

6. A visual lithium battery as claimed in claim 2, characterized in that the section of the threaded section of the pole cap (2) inside the transparent glass fiber reinforced plastic casing (4) is provided with a sealing gasket (7) for sealing and buffering.

7. The lithium visual battery according to claim 2, characterized in that the side wall of the connection cover (5) is fitted with a vent valve (9) for venting air when the cell (1) is formed.

8. Lithium battery for visualization according to claim 7, characterized by the fact that the degassing valve (9) is screwed into the side wall of the connection cap (5).