CN219498129U

CN219498129U - Solid-state battery with composite solid electrolyte and battery case structure

Info

Publication number: CN219498129U
Application number: CN202320907198.6U
Authority: CN
Inventors: 颜文卿
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-04-21
Filing date: 2023-04-21
Publication date: 2023-08-08
Anticipated expiration: 2033-04-21

Abstract

The utility model belongs to the technical field of solid-state batteries, and discloses a battery shell structure, which comprises a column shell and a limiting piece capable of moving along the axial direction of the column shell, wherein the two axial ends of the column shell are respectively a positive electrode end and a negative electrode end, part of the limiting piece axially protrudes outwards from the positive electrode end and/or the negative electrode end through the movement of the limiting piece, the limiting piece comprises a moving ring in sliding connection with the column shell and a side rod fixed on the moving ring, and the solid-state battery of the composite solid-state electrolyte comprises the battery shell structure. According to the utility model, by arranging the movable side rod and the movable ring, when the battery and the circuit are required to be separated, the movable ring is pulled to enable the movable ring to drive the side rod to move, so that the side rod protrudes outwards from the positive electrode end and/or the negative electrode end of the column shell, the positive electrode end and/or the negative electrode end of the column shell are separated from the circuit, the battery is not required to be taken out from the power utilization device when not required to be used, and time waste is not required to be found when the battery is required to be used in the later period.

Description

Solid-state battery with composite solid electrolyte and battery case structure

Technical Field

The utility model belongs to the technical field of solid-state batteries, and particularly relates to a solid-state battery with a composite solid electrolyte and a battery shell structure.

Background

Compared with the existing commonly used lithium ion battery and lithium ion polymer battery, the solid-state battery is a battery using a solid electrode and a solid electrolyte, and has higher energy density, the solid-state battery is structurally characterized in that the solid electrolyte is filled in a columnar battery shell structure, when the solid-state battery is used, the anode and the cathode of the battery need to be connected with a circuit, when the circuit is not needed to work, in order to avoid meaningless discharge of the battery, the traditional method is to take out the battery for further preservation, but the mode not only needs to take out the battery, but also needs to waste time for searching when the battery needs to be used later, so the solid-state battery and the battery shell structure of the composite solid-state electrolyte are provided, and the problem that the battery needs to be taken out when the solid-state battery is idle is solved.

Disclosure of Invention

The present utility model is directed to a solid-state battery and a battery case structure of a composite solid-state electrolyte, which solve the problems set forth in the background art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the battery shell structure comprises a column shell and a limiting piece capable of axially moving along the column shell, wherein the two axial ends of the column shell are respectively a positive end and a negative end, and part of the limiting piece axially protrudes outwards from the positive end and/or the negative end through movement of the limiting piece.

Preferably, the limiting piece comprises a movable ring which is connected with the column casing in a sliding way and a side rod which is fixed on the movable ring.

Preferably, the side bar is fixed to the moving ring.

Preferably, the column casing is externally and symmetrically provided with two limiting rings, the movable ring is positioned between the two limiting rings, and the limiting rings are provided with arc-shaped grooves which can penetrate through the side rods.

Preferably, the inner diameter of the moving ring is smaller than the outer diameter of the limiting ring.

Preferably, the end part of the column casing is axially sleeved with a limit pad matched with the movable ring.

Preferably, the inner wall of the arc-shaped groove is fixedly connected with a limit lug, and a space for clamping the side rod is formed between the free end of the limit lug and the arc-shaped groove.

Preferably, the limit projection radially forms an arc-shaped groove matched with the side rod.

The solid-state battery with the composite solid electrolyte comprises the battery shell structure, and the inside of the column shell is sequentially filled with a positive electrode filling material, the solid electrolyte and a negative electrode filling material.

Preferably, one end of the limiting ring is fixedly connected with a positive pole column connected with a positive filling material, and the other end of the limiting ring is fixedly connected with a negative pole plate connected with a negative filling material.

Compared with the prior art, the utility model has the beneficial effects that:

(1) According to the utility model, by arranging the movable side rod and the movable ring, when the battery and the circuit are required to be separated, the movable ring is pulled to enable the movable ring to drive the side rod to move, so that the side rod protrudes outwards from the positive electrode end and/or the negative electrode end of the column shell, the positive electrode end and/or the negative electrode end of the column shell are separated from the circuit, the battery is not required to be taken out from the power utilization device when not required to be used, and time waste is not required to be found when the battery is required to be used in the later period.

(2) According to the utility model, the limiting pad is arranged, when the movable ring moves, the movable ring is sleeved on the limiting pad, and is connected with the limiting pad through the movable ring, so that the position of the movable ring after adjustment is fixed, and the side lever is more stable after the position is adjusted.

(3) According to the utility model, the arc-shaped groove and the limiting convex block are arranged, after the position of the movable ring is adjusted, the movable ring is rotated, so that the movable ring drives the side rod to rotate until the side rod rotates to the position between the limiting convex block and the arc-shaped groove, the position of the side rod is further fixed, the adjusted position of the movable ring is further fixed, the side rod is further more stable after the position is adjusted, and the stability of the device in use is improved.

Drawings

FIG. 1 is a perspective view of the present utility model;

FIG. 2 is a front view of the present utility model;

FIG. 3 is a front view of the adjustment shift ring of FIG. 2;

FIG. 4 is a side view of the present utility model;

FIG. 5 is a side view of a shift ring of the present utility model;

FIG. 6 is an internal structural view of the column housing of the present utility model;

in the figure: 1. a positive electrode post; 2. a side bar; 3. a moving ring; 4. a limit pad; 61. a positive electrode filler; 62. a column shell; 63. a solid electrolyte; 64. a negative electrode filler; 7. a negative electrode sheet; 8. a limit bump; 9. an arc-shaped groove.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1 to 6, the present utility model provides the following technical solutions:

the battery case structure, as shown in fig. 1, includes a column case 62 for accommodating a solid electrolyte, and further includes a stopper axially movable along the column case 62 in order to facilitate separation from a circuit when the column case 62 is not in use after being mounted, the column case 62 having positive and negative ends at both axial ends, respectively, and a portion of the stopper axially protruding from the positive and/or negative ends by movement of the stopper.

When the battery shell structure provided by the utility model is used, after the column shell 62 filled with the solid electrolyte is placed at a position where the column shell 62 needs to be used, the positive electrode end and the negative electrode end on the column shell 62 are connected with a circuit, and when the positive electrode end of the column shell 62 needs to be separated from the circuit, the limiting piece is pulled to enable the limiting piece to axially move relative to the column shell 62 until part of the limiting piece protrudes out of the positive electrode end, so that the positive electrode end is separated from the circuit, and the column shell 62 can be removed;

when the negative electrode end of the column casing 62 is required to be separated from the circuit, the limiting piece is pulled to enable the limiting piece to axially move relative to the column casing 62 until part of the limiting piece protrudes out of the negative electrode end, so that the negative electrode end is separated from the circuit, and the column casing 62 can be removed without disassembling;

when the negative and positive ends of the column casing 62 need to be separated from the circuit, the limiting member is pulled to axially move relative to the column casing 62 until part of the limiting member protrudes outside the positive and negative ends, so that the positive and negative ends are separated from the circuit, and the column casing 62 does not need to be disassembled.

Specifically, in one embodiment, regarding the above-mentioned limiting member:

as shown in fig. 1 to 3 and 5, the stopper includes a moving ring 3 slidably coupled to a column housing 62 and a side bar 2 fixed to the moving ring 3.

In this embodiment, when the position of the limiting member needs to be adjusted, the moving ring 3 is pulled to enable the moving ring 3 to slide on the column casing 62, and when the column casing 62 slides, the side rod 2 is driven to move, so that one end of the side rod 2 protrudes outwards from the negative electrode end;

pulling the movable ring 3 to enable the movable ring 3 to slide on the column shell 62, and driving the side rod 2 to move when the column shell 62 slides, so that one end of the side rod 2 protrudes outwards from the positive electrode end;

the movable ring 3 is pulled to enable the movable ring 3 to slide on the column casing 62, and the column casing 62 drives the side rod 2 to move when sliding, so that one end of the side rod 2 protrudes outwards from the positive electrode end and the negative electrode end.

In addition, in the present utility model, in order to facilitate the protrusion of the side bar 2 from the positive electrode end and/or the negative electrode end, as shown in fig. 1 to 3, the side bar 2 is penetratingly fixed to the moving ring 3.

Preferably, in order to avoid the movable ring 3 from accidentally falling off the column casing 62, as shown in fig. 1-3, two limiting rings are symmetrically arranged outside the column casing 62, the movable ring 3 is located between the two limiting rings, an arc-shaped groove 9 capable of penetrating through the side rod 2 is arranged on the limiting rings, the inner diameter of the movable ring 3 is smaller than the outer diameter of the limiting rings, when the movable ring 3 moves, the column casing 62 is blocked by the limiting rings, and the side rod 2 is convenient to penetrate through the limiting rings through the cooperation of the arc-shaped groove 9, so that the side rod 2 is convenient to protrude outwards from the positive electrode end and/or the negative electrode end.

In order to make the position of the side lever 2 more stable after adjustment, the following embodiments are provided in the present utility model:

embodiment one

As shown in fig. 1-5, the end of the column casing 62 is axially sleeved with a limit pad 4 matched with the movable ring 3, when the movable ring 3 drives the side rod 2 to move to a required position, the movable ring 3 is clamped with the limit pad 4, so that the side rod 2 is fastened after the position of the movable ring 3 is adjusted, and the side rod 2 is fastened after protruding outwards from the positive electrode end and/or the negative electrode end.

Second embodiment

As shown in fig. 1-5, the inner wall of the arc-shaped groove 9 is fixedly connected with a limit bump 8, and a space for clamping the side rod 2 is formed between the free end of the limit bump 8 and the arc-shaped groove 9, when the movable ring 3 drives the side rod 2 to move to a required position, the side rod 2 is inserted into the arc-shaped groove 9, the movable ring 3 is rotated on the column shell 62, the movable ring 3 drives the side rod 2 to rotate until the side rod 2 is rotated into the space for clamping the side rod 2 formed between the arc-shaped groove 9 and the limit bump 8, and the side rod 2 is protruded outwards from the positive electrode end and/or the negative electrode end and is fastened more tightly.

Preferably, the limit projections 8 radially form arcuate grooves matching the side bars 2.

The solid-state battery of the composite solid electrolyte comprises the battery shell structure, wherein the inside of a column shell 62 is sequentially filled with a positive electrode filling material 61, a solid electrolyte 63 and a negative electrode filling material 64, one end of a limiting ring is fixedly connected with a positive electrode column 1 connected with the positive electrode filling material 61, the other limiting ring is fixedly connected with a negative electrode sheet 7 connected with the negative electrode filling material 64, when the solid-state battery is required to be used, after the solid-state battery is placed at a position required to be used, the positive electrode column 1 and the negative electrode sheet 7 are respectively connected with the positive electrode end and the negative electrode end of an electric device, the positive electrode column 1 and the negative electrode filling material 64 are matched for discharging, when the positive electrode column 1 and a circuit are required to be separated, a limiting piece is pulled, so that the limiting piece moves axially relative to the column shell 62 until part of the limiting piece protrudes outwards from the positive electrode column 1, and the solid-state battery is not required to be disassembled;

when the negative electrode plate 7 of the solid-state battery is required to be separated from the circuit, the limiting piece is pulled to enable the limiting piece to axially move relative to the column casing 62 until part of the limiting piece protrudes out of the negative electrode end, so that the negative electrode plate 7 is separated from the circuit, and the solid-state battery can be removed without disassembling;

when the positive pole 1 and the negative pole 7 of the solid-state battery are required to be separated from the circuit, the limiting piece is pulled to enable the limiting piece to axially move relative to the pole shell 62 until part of the limiting piece protrudes outwards from the positive pole 1 and the negative pole 7, so that the positive pole 1 and the negative pole 7 are separated from the circuit, and the solid-state battery can be removed without disassembling.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The battery shell structure is characterized by comprising a column shell (62) and a limiting piece capable of axially moving along the column shell (62), wherein the two axial ends of the column shell (62) are respectively a positive electrode end and a negative electrode end, and part of the limiting piece can axially protrude outwards from the positive electrode end and/or the negative electrode end through the movement of the limiting piece.

2. The battery case structure according to claim 1, wherein: the limiting piece comprises a movable ring (3) which is in sliding connection with the column casing (62) and a side rod (2) which is fixed on the movable ring (3).

3. The battery case structure according to claim 2, wherein: the side rod (2) is penetrated and fixed on the movable ring (3).

4. The battery case structure according to claim 2, wherein: the column casing (62) is externally symmetrically provided with two limiting rings, the movable ring (3) is positioned between the two limiting rings, and the limiting rings are provided with arc-shaped grooves (9) which can penetrate through the side rods (2).

5. The battery case structure according to claim 4, wherein: the inner diameter of the movable ring (3) is smaller than the outer diameter of the limiting ring.

6. The battery case structure according to claim 2, wherein: and a limit pad (4) matched with the movable ring (3) is axially sleeved at the end part of the column casing (62).

7. The battery case structure according to claim 4, wherein: the inner wall of the arc-shaped groove (9) is fixedly connected with a limiting lug (8), and a space for clamping the side rod (2) is formed between the free end of the limiting lug (8) and the arc-shaped groove (9).

8. The battery case structure according to claim 7, wherein: the limit lug (8) radially forms an arc-shaped groove matched with the side rod (2).

9. A solid state battery of a composite solid state electrolyte, characterized in that: a battery case structure comprising any one of the above claims 1 to 8, wherein the inside of the column case (62) is filled with a positive electrode filling material (61), a solid electrolyte (63) and a negative electrode filling material (64) in this order.

10. The solid state battery of a composite solid state electrolyte according to claim 9, wherein: one end of the limiting ring is fixedly connected with a positive pole column (1) connected with a positive filling material (61), and the other end of the limiting ring is fixedly connected with a negative pole sheet (7) connected with a negative filling material (64).