WO2023030237A1 - 储能装置及电子设备 - Google Patents
储能装置及电子设备 Download PDFInfo
- Publication number
- WO2023030237A1 WO2023030237A1 PCT/CN2022/115457 CN2022115457W WO2023030237A1 WO 2023030237 A1 WO2023030237 A1 WO 2023030237A1 CN 2022115457 W CN2022115457 W CN 2022115457W WO 2023030237 A1 WO2023030237 A1 WO 2023030237A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- bending section
- energy storage
- opening
- storage device
- end cover
- Prior art date
Links
- 238000004146 energy storage Methods 0.000 title claims abstract description 52
- 239000002184 metal Substances 0.000 claims abstract description 70
- 238000005452 bending Methods 0.000 claims description 70
- 238000004804 winding Methods 0.000 claims description 6
- 238000010409 ironing Methods 0.000 claims description 4
- 238000007789 sealing Methods 0.000 abstract description 4
- 230000000694 effects Effects 0.000 description 6
- 238000009413 insulation Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000012212 insulator Substances 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000014509 gene expression Effects 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/10—Primary casings; Jackets or wrappings
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/10—Primary casings; Jackets or wrappings
- H01M50/102—Primary casings; Jackets or wrappings characterised by their shape or physical structure
- H01M50/107—Primary casings; Jackets or wrappings characterised by their shape or physical structure having curved cross-section, e.g. round or elliptic
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/10—Primary casings; Jackets or wrappings
- H01M50/147—Lids or covers
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/10—Primary casings; Jackets or wrappings
- H01M50/147—Lids or covers
- H01M50/148—Lids or covers characterised by their shape
- H01M50/152—Lids or covers characterised by their shape for cells having curved cross-section, e.g. round or elliptic
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/10—Primary casings; Jackets or wrappings
- H01M50/183—Sealing members
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/10—Primary casings; Jackets or wrappings
- H01M50/183—Sealing members
- H01M50/184—Sealing members characterised by their shape or structure
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/10—Primary casings; Jackets or wrappings
- H01M50/183—Sealing members
- H01M50/186—Sealing members characterised by the disposition of the sealing members
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/10—Primary casings; Jackets or wrappings
- H01M50/183—Sealing members
- H01M50/186—Sealing members characterised by the disposition of the sealing members
- H01M50/188—Sealing members characterised by the disposition of the sealing members the sealing members being arranged between the lid and terminal
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/10—Primary casings; Jackets or wrappings
- H01M50/183—Sealing members
- H01M50/19—Sealing members characterised by the material
- H01M50/193—Organic material
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/30—Arrangements for facilitating escape of gases
- H01M50/342—Non-re-sealable arrangements
- H01M50/3425—Non-re-sealable arrangements in the form of rupturable membranes or weakened parts, e.g. pierced with the aid of a sharp member
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/543—Terminals
- H01M50/552—Terminals characterised by their shape
- H01M50/559—Terminals adapted for cells having curved cross-section, e.g. round, elliptic or button cells
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Definitions
- the present invention relates to the technical field of energy storage, and more specifically, the present invention relates to an energy storage device and electronic equipment.
- the upper and lower half shells are usually assembled to form a shell.
- the electrodes of the energy storage device are welded to the shell to form electrodes, and the electrical connection positions with the outside are formed at different positions of the shell.
- the electrical connection between the external circuit and the energy storage device needs to be electrically connected to the surface of the shell, and the electrodes in the shell cannot be directly led out, so it is difficult to form a connection with the external circuit on the surface of the shell.
- An object of the present invention is to provide a new technical solution for an energy storage device and electronic equipment.
- an energy storage device comprising:
- the casing has a first opening, and the cavity of the casing communicates with the outside through the first opening;
- the end cover is connected to the housing, the end cover covers the first opening, and the end cover is provided with a second opening;
- the metal piece is arranged on the inner side of the end cover, the metal piece has a first boss, and the first boss protrudes from the second opening to the outside of the end cover;
- An insulating seal is disposed between the metal piece and the end cap.
- the energy storage device further includes an electric cell, the electric cell is arranged in the cavity, one electrode of the electric cell is electrically connected to the metal part, and the other electrode of the electric cell is electrically connected to the metal part.
- the end cap or the housing is electrically connected.
- the battery core is provided with a first electrical connector
- the first electrical connector includes a first bending section, a second bending section and a third bending section, and the second bending section is connected to the first bending section and the third bending section respectively.
- the third bending section is electrically connected to the battery core
- the second bending section is bent to the end face of the battery core relative to the third bending section
- the first bending section is relatively The second bending section is bent, the first bending section is located between the second bending section and the metal piece, and the first bending section is connected to the metal piece.
- the metal part is provided with a first insulating part, and the first insulating part is provided with a third opening, and the first bent section is exposed through the third opening and connected with the metal part.
- the first bending section has a second boss, and the second boss is exposed through the third opening and connected to the metal piece.
- the cell includes a positive electrode sheet, a negative electrode sheet, and a separator located between the positive electrode sheet and the negative electrode sheet, and the positive electrode sheet, the negative electrode sheet, and the separator are stacked to form a wound structure;
- One of the positive electrode sheet and the negative electrode sheet is electrically connected to the metal part as an electrode of the battery cell, and the other is electrically connected to the end cap or the casing as the other electrode of the battery cell;
- the part of the diaphragm protruding from the end of the winding structure is an ironing structure.
- explosion-proof scoring lines are set on the metal piece.
- the explosion-proof marking line is arranged around the first boss.
- the insulating seal includes an annular bottom plate and an annular side wall disposed on the annular bottom plate, the annular bottom plate is located between the end cover and the metal part, the annular The side wall extends into the second opening and is located between the inner wall of the second opening and the first boss.
- an electronic device which includes the energy storage device described in any one of the above items.
- a technical effect of the present invention is that, by arranging the metal piece inside the end cover, the electrodes of the energy storage device can be electrically connected to the metal piece, and the first boss on the metal piece extends from the second opening to the end cover
- the outer side of the energy storage device can lead the electrodes of the energy storage device to the outside of the energy storage device, making it easier to electrically connect with an external circuit.
- Fig. 1 is a schematic diagram of the external structure of an energy storage device in an embodiment of the present invention.
- Fig. 2 is a cross-sectional view of an energy storage device in one embodiment of the present invention.
- Fig. 3 is an exploded view of an energy storage device in one embodiment of the present invention.
- an energy storage device as shown in Figures 1-3, the energy storage device includes:
- the casing 11, the casing 11 has a first opening, and the cavity of the casing 11 communicates with the outside through the first opening.
- the housing 11 is composed of a bottom plate and a side wall surrounding the bottom plate, the bottom plate closes one end of the side wall, and the other end of the side wall forms a first opening.
- the space inside the bottom plate and the side wall is a cavity.
- An end cover 12 is connected with the housing 11 , the end cover 12 covers the first opening, and the second opening 120 is disposed on the end cover 12 .
- the connection between the end cover 12 and the housing 11 is a sealed connection.
- the metal piece 2, the metal piece 2 is arranged on the inner side of the end cover 12, the metal piece 2 has a first boss 21, and the first boss 21 protrudes from the second opening 120 to the end cover 12 outside.
- the first boss 21 protrudes from the outer surface of the end cover 12, and the part protruding from the end cover 12 can form a structure on the outside of the energy storage device for connection with an external circuit, making it easier to connect the electrodes on the metal piece 2 It is electrically connected with the external circuit.
- the insulating seal 3 is arranged between the metal part 2 and the end cover 12 .
- the insulating seal 3 has the effect of sealing and insulating between the metal part and the end cover 12, which not only ensures the sealing in the energy storage device, but also insulates the end cover from the metal part 2. In this way, a short circuit between the electrodes on the metal part 2 and the electrodes on the end cap 12 can be avoided.
- the insulating seal 3 is provided with a fourth opening 30 , and the first boss 21 protrudes outside the end cover 12 after passing through the fourth opening 30 and the second opening 120 in sequence.
- a technical effect of the present invention is that, by arranging the metal piece 2 inside the end cap 12, the electrodes of the energy storage device can be electrically connected to the metal piece 2, and through the first boss 21 on the metal piece 2, the second opening 120 protrudes to the outside of the end cap 12, so that the electrodes of the energy storage device can be led out to the outside of the energy storage device, making it easier to electrically connect with an external circuit.
- the energy storage device further includes an electric core 4, the electric core 4 is arranged in the cavity, and one electrode of the electric core 4 is electrically connected to the metal part 2.
- the other electrode of the cell 4 is electrically connected to the end cap 12 or the casing 11 .
- the electrode of the battery cell 4 electrically connected to the metal part 2 serves as one of the positive pole and the negative pole of the energy storage device.
- the other of the positive pole and the negative pole can be formed by electrically connecting the other electrode of the battery cell 4 to the casing 11 , or can be formed by electrically connecting the other electrode of the battery cell 4 to the end cap 12 .
- the positive pole of the battery cell 4 is electrically connected to the metal piece 2, and the metal piece 2 serves as the positive pole of the energy storage device.
- An external circuit that needs to be electrically connected to the positive pole of the energy storage device is electrically connected to the first boss 21 .
- the negative pole of the battery cell 3 is electrically connected to the casing 11, so that the casing 11 forms the negative pole of the energy storage device.
- the negative pole of the battery cell 4 can also be electrically connected to the end cap 12, so that the end cap 12 forms the negative pole of the energy storage device.
- connection structure between the end cover 12 and the housing 11 may be an electrical connection, for example, the end cover 12 and the housing 11 are welded.
- the negative pole of the battery cell 3 is electrically connected to the end cap 12 or the casing 11, both the end cap 12 and the casing 11 can be used as the negative pole of the energy storage device.
- the battery cell 4 is provided with a second electrical connector 8 , and the battery cell 4 is electrically connected to the end cap 12 or the casing 11 through the second electrical connector 8 .
- the surface of the second electrical connector 8 is provided with a second insulating tape 80 .
- the second insulating tape 80 can prevent the second electrical connector 8 from contacting and shorting the other electrode at the end of the electric core 4.
- the second electrical connector 8 is a sheet structure, and the second insulating tape 80 is provided on both surfaces of the second electrical connector 8 .
- a third insulating member 9 is provided between the second electrical connecting member 8 and the electric core 4, and the third insulating member 9 forms an insulating layer between the second electrical connecting member 8 and the end face of the electric core 4, so as to avoid The second electrical connector 8 forms a short circuit on the end face of the battery core 4 .
- the electric core 4 has a winding structure, and the middle part of the winding structure is a hollow structure. After the electric core 4 is inserted into the casing 11, the second electrical connector 8 and the casing 11 are welded through the position of the hollow structure.
- the third insulating member 9 is provided with a fifth opening 90 .
- the fifth opening 90 corresponds to the hollow structure on the battery cell 4 , and after the battery cell 4 is put into the housing 11 , part of the structure of the second electrical connector 8 can be exposed in the fifth opening 90 . In this way, it is easier to weld the second electrical connector 8 and the housing 11 .
- a part of the second electrical connector 8 is located on the side of the electric core 4 and forms an electrical connection, and another part of the second electrical connector 8 is bent toward the end surface of the electric core 4 close to the bottom of the casing 11 .
- a notch is provided on the third insulating member 9 , and the notch avoids the second electrical connecting member 8 .
- the third insulator 9 has a ring structure, and a part of the outer structure of the ring structure is cut off to form a gap, so as to prevent the structures of the third insulator 9 and the second electrical connector 8 from squeezing and interfering with each other.
- the battery core 4 is provided with a first electrical connector 5 .
- the first electrical connector 5 includes a first bending section 51, a second bending section 52 and a third bending section 53, and the second bending section 52 is connected to the first bending section 51 and the third bending section 53 respectively.
- the third bending section 53 is connected electrically to the battery cell 4 , and the second bending section 52 is bent to the battery cell 4 relative to the third bending section 53
- the end surface of the first bending section 51 is bent relative to the second bending section 52, and the first bending section 51 is located between the second bending section 52 and the metal part 2,
- the first bent section 51 is connected to the metal part 2 .
- the first electrical connection member 5 is electrically connected to the battery core 4 through the third bending section 53 .
- the second bending section 52 is bent to the end surface of the electric core 4 relative to the third bending section 53, so that the second bending section 52 is flatly laid on the end surface of the electric core 4. In this way, the space occupied by the second bending section 52 can be reduced.
- the first bending section 51 is bent relative to the second bending section 52 , so that the first bending section 51 and the second bending section 52 are stacked together, so as to further reduce the space occupied by the first electrical connector 5 .
- the third bent section 53 may be electrically connected to the battery cell 4 first, and then the battery cell 4 is put into the casing 11 . After putting the electric core 4 in, the first bent section 51 is electrically connected to the metal piece 2 . Finally, the first electrical connector 5 is bent so that the second bent section 52 is flatly laid on the end surface of the electric core 4 , and the first bent section 51 and the second bent section 52 are laminated.
- the first electrical connector 5 includes a first bending section 51, a second bending section 52 and a third bending section 53, the first bending section 51 and the second bending section 52 can provide sufficient length dimension, so that the second A bent section 51 and the metal piece 2 are welded together more easily. This reduces the difficulty of assembly.
- a first insulating tape 50 is disposed on the surface of the first electrical connector 5 , and the first insulating tape 50 can form insulation protection on the surface of the first electrical connector 5 .
- the first electrical connector 5 is a sheet structure, and first insulating tapes 50 are provided on both surfaces of the first electrical connector 5 .
- a first insulating part 6 is provided on the metal part 2
- a third opening 60 is provided on the first insulating part 6, and the first bending The segment 51 is exposed through the third opening 60 and connected to the metal part 2 .
- the first insulating part 6 is located on the side of the metal part 2 facing the first electrical connection part 5 .
- the first insulating member 6 can prevent the metal member 2 from being in contact with structures other than the first bent section 51 , thereby avoiding short circuit problems. For example, avoid contact between the metal part 2 and the battery core 4 .
- the first bent section 51 has a second boss, and the second boss is exposed through the third opening 60 and connected to the metal part 2 .
- the first bending section 51 is bent relative to the second bending section 52 and is located on one side of the metal piece 2, and the second boss enables the first bending section 51 to provide sufficient thickness to expose the third
- the opening 60 is in contact with the metal piece 2 , so that the first bent section 51 is more easily electrically connected to the metal piece 2 .
- the first bent section 51 abuts against the surface of the first insulating member 6 , and the second boss exposes the third opening 60 to contact the surface of the metal member 2 , thereby electrically connecting the second boss and the metal member 2 .
- a second insulating member 7 is provided between the first bending section 51 and the second bending section 52, and the second insulating member 7 can prevent the surfaces of the first bending section 51 and the second bending section 52 from contact, thereby preventing the second bent section 52 from being punctured.
- the first bent section 51 is welded to the metal piece 2 .
- the surface of the first bending section 51 has welding spots, and the second insulating member 7 can prevent the welding spots from piercing the second bending section 52 . In this way, the first electrical connector 5 can be protected from being damaged, and effective insulation is formed between the first bent section 51 and the end surface of the electric core 4 .
- the cell 4 includes a positive electrode sheet, a negative electrode sheet and a separator between the positive electrode sheet and the negative electrode sheet.
- the positive electrode sheet, the negative electrode sheet and the separator are stacked to form a wound structure.
- One of the positive electrode sheet and the negative electrode sheet is electrically connected to the metal part 2 as an electrode of the battery cell 4, and the other is electrically connected to the end cap 12 or the casing 11 as the other electrode of the battery cell 4 .
- the part of the diaphragm protruding from the end of the winding structure is an ironing structure.
- the electric core 4 is a winding structure, and the diaphragm protruding from the end of the electric core 4 is shrunk and pressed down by ironing, thereby reducing the space occupied by the diaphragm at the end, so as to reduce the diaphragm and increase the occupancy of the electric core 4 Space.
- the metal piece 2 is provided with an explosion-proof score line 22 .
- the explosion-proof marking line 22 can burst and release pressure when the internal pressure of the energy storage device 2 is high, thereby preventing the energy storage device from exploding.
- the explosion-proof marking line 22 is arranged around the first boss 21 .
- the explosion-proof score line 22 is arranged around the first boss 21, so that the explosion-proof score line 22 is at a thinner position, and it is easier to rupture when the internal pressure is high, so as to complete the pressure relief function.
- the explosion-proof score line 22 is exposed in the second opening 120 to prevent the end cover 12 from affecting the explosion-proof score line 22 to release pressure.
- the insulating seal 3 includes an annular bottom plate and an annular side wall disposed on the annular bottom plate, and the annular bottom plate is located between the end cover 12 and the metal part 2 , the annular sidewall extends into the second opening 120 and is located between the inner wall of the second opening 120 and the first boss 21 .
- the annular bottom plate forms a sealing and insulating effect between the inner side of the end cover 12 and the metal part 2 .
- the annular sidewall forms an insulating effect between the inner wall of the second opening 120 and the first boss 21 , preventing the first boss 21 from contacting the inner wall of the second opening 120 .
- the explosion-proof score line 22 is exposed on the inner side of the annular sidewall.
- the inner side of the annular sidewall forms a fourth opening 30 .
- an electronic device in one embodiment of the present invention, includes the energy storage device according to any one of the above embodiments.
- the energy storage device of the electronic equipment has the technical effect brought by the above energy storage device.
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Sealing Battery Cases Or Jackets (AREA)
- Connection Of Batteries Or Terminals (AREA)
Abstract
Description
Claims (10)
- 一种储能装置,其特征在于,包括:壳体(11),所述壳体(11)具有第一开口,所述壳体(11)的腔体通过所述第一开口与外界连通;端盖(12),所述端盖(12)与所述壳体(11)连接,所述端盖(12)覆盖所述第一开口,所述端盖(12)上设置有第二开口(120);金属件(2),所述金属件(2)设置在所述端盖(12)的内侧,所述金属件(2)具有第一凸台(21),所述第一凸台(21)由所述第二开口(120)伸出至端盖(12)的外侧;绝缘密封件(3),所述绝缘密封件(3)设置在所述金属件(2)与所述端盖(12)之间。
- 根据权利要求1所述的储能装置,其特征在于,所述储能装置还包括电芯(4),所述电芯(4)设置在所述腔体内,所述电芯(4)的一个电极与所述金属件(2)电连接,所述电芯(4)的另一个电极与所述端盖(12)或所述壳体(11)电连接。
- 根据权利要求2所述的储能装置,其特征在于,所述电芯(4)上设置有第一电连接件(5);所述第一电连接件(5)包括第一弯折段(51)、第二弯折段(52)和第三弯折段(53),所述第二弯折段(52)分别与所述第一弯折段(51)和所述第三弯折段(53)连接,所述第三弯折段(53)与所述电芯(4)电连接,所述第二弯折段(52)相对于所述第三弯折段(53)弯折至电芯(4)的端面,所述第一弯折段(51)相对于所述第二弯折段(52)弯折,所述第一弯折段(51) 位于所述第二弯折段(52)与所述金属件(2)之间,所述第一弯折段(51)与所述金属件(2)连接。
- 根据权利要求3所述的储能装置,其特征在于,所述金属件(2)上设置有第一绝缘件(6),所述第一绝缘件(6)上设置有第三开口(60),所述第一弯折段(51)通过所述第三开口(60)露出与所述金属件(2)连接。
- 根据权利要求4所述的储能装置,其特征在于,所述第一弯折段(51)具有第二凸台,所述第二凸台通过所述第三开口(60)露出与所述金属件(2)连接。
- 根据权利要求2所述的储能装置,其特征在于,所述电芯(4)包括正极片、负极片和位于所述正极片与负极片之间的隔膜,正极片、负极片和隔膜层叠设置并形成卷绕结构;所述正极片和负极片中的一个作为电芯(4)的一个电极与所述金属件(2)电连接,另一个作为电芯(4)的另一个电极与所述端盖(12)或所述壳体(11)电连接;所述隔膜伸出于所述卷绕结构端部的部分为烫边结构。
- 根据权利要求1所述的储能装置,其特征在于,所述金属件(2)上设置有防爆刻线(22)。
- 根据权利要求7所述的储能装置,其特征在于,所述防爆刻线(22)环绕所述第一凸台(21)设置。
- 根据权利要求1所述的储能装置,其特征在于,所述绝缘密封件(3)包括环状底板和设置在所述环状底板上的环状侧壁,所述环状底板位于所述端盖(12)与所述金属件(2)之间,所述 环状侧壁伸入所述第二开口(120)且位于所述第二开口(120)的内壁与所述第一凸台(21)之间。
- 一种电子设备,其特征在于,包括如权利要求1-9任意一项所述的储能装置。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP22863373.1A EP4398385A1 (en) | 2021-08-31 | 2022-08-29 | Energy storage apparatus and electronic device |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202122086907.2 | 2021-08-31 | ||
CN202122086907.2U CN215911481U (zh) | 2021-08-31 | 2021-08-31 | 储能装置及电子设备 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2023030237A1 true WO2023030237A1 (zh) | 2023-03-09 |
Family
ID=80293229
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/CN2022/115457 WO2023030237A1 (zh) | 2021-08-31 | 2022-08-29 | 储能装置及电子设备 |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP4398385A1 (zh) |
CN (1) | CN215911481U (zh) |
WO (1) | WO2023030237A1 (zh) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN215911481U (zh) * | 2021-08-31 | 2022-02-25 | 广东微电新能源有限公司 | 储能装置及电子设备 |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6486444A (en) * | 1986-09-27 | 1989-03-31 | Hitachi Maxell | Explosion-prevented sealed battery with lead terminal |
CN101345293A (zh) * | 2008-08-20 | 2009-01-14 | 苏州星恒电源有限公司 | 一种铝壳锂离子电池 |
CN209804723U (zh) * | 2019-04-30 | 2019-12-17 | 宁德时代新能源科技股份有限公司 | 顶盖组件以及二次电池 |
CN112635922A (zh) * | 2020-12-16 | 2021-04-09 | 宁德新能源科技有限公司 | 电芯、电池及用电设备 |
CN112952300A (zh) * | 2021-03-29 | 2021-06-11 | 厦门海辰新能源科技有限公司 | 电芯、电芯组件、电池及使用电池的装置 |
CN215911481U (zh) * | 2021-08-31 | 2022-02-25 | 广东微电新能源有限公司 | 储能装置及电子设备 |
-
2021
- 2021-08-31 CN CN202122086907.2U patent/CN215911481U/zh active Active
-
2022
- 2022-08-29 WO PCT/CN2022/115457 patent/WO2023030237A1/zh active Application Filing
- 2022-08-29 EP EP22863373.1A patent/EP4398385A1/en active Pending
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6486444A (en) * | 1986-09-27 | 1989-03-31 | Hitachi Maxell | Explosion-prevented sealed battery with lead terminal |
CN101345293A (zh) * | 2008-08-20 | 2009-01-14 | 苏州星恒电源有限公司 | 一种铝壳锂离子电池 |
CN209804723U (zh) * | 2019-04-30 | 2019-12-17 | 宁德时代新能源科技股份有限公司 | 顶盖组件以及二次电池 |
CN112635922A (zh) * | 2020-12-16 | 2021-04-09 | 宁德新能源科技有限公司 | 电芯、电池及用电设备 |
CN112952300A (zh) * | 2021-03-29 | 2021-06-11 | 厦门海辰新能源科技有限公司 | 电芯、电芯组件、电池及使用电池的装置 |
CN215911481U (zh) * | 2021-08-31 | 2022-02-25 | 广东微电新能源有限公司 | 储能装置及电子设备 |
Also Published As
Publication number | Publication date |
---|---|
CN215911481U (zh) | 2022-02-25 |
EP4398385A1 (en) | 2024-07-10 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
EP4050708A1 (en) | Button cell and preparation method therefor | |
US20100233530A1 (en) | battery and battery enveloping assembly convenient for assembly | |
US20100159307A1 (en) | Battery and battery enveloping assembly convenient for assembly | |
US20100143796A1 (en) | Battery enveloping assembly and battery | |
CN102867934A (zh) | 用于二次电池的安全装置以及具有该安全装置的二次电池 | |
WO2022184081A1 (zh) | 电池 | |
KR20090042535A (ko) | 배터리 팩 | |
WO2020199248A1 (zh) | 用于锂离子电池的盖板组件以及储能装置 | |
WO2023030237A1 (zh) | 储能装置及电子设备 | |
WO2022062431A1 (zh) | 软包纽扣电池 | |
WO2023231420A1 (zh) | 圆柱电芯 | |
JP4530333B2 (ja) | 密閉型電池 | |
CN111129388A (zh) | 一种储能装置以及储能装置的组装方法 | |
WO2021217649A1 (zh) | 端盖组件、二次电池、电池组以及用电装置 | |
CN216850095U (zh) | 一种结构紧凑的电池组件 | |
CN111129365A (zh) | 电池装置 | |
WO2022110893A1 (zh) | 圆柱形锂电池 | |
WO2022116576A1 (zh) | 电池及其制备工艺 | |
WO2021135165A1 (zh) | 一种储能装置以及储能装置的组装方法 | |
EP2133936A1 (en) | An improved battery mouth-sealing assembly and a battery including the same | |
CN211605217U (zh) | 一种储能装置 | |
WO2022011558A1 (zh) | 电池和具有所述电池的用电装置 | |
WO2023124651A1 (zh) | 电池 | |
WO2021237776A1 (zh) | 纽扣电池 | |
CN216529269U (zh) | 纽扣电池封装、纽扣电池及电子设备 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 22863373 Country of ref document: EP Kind code of ref document: A1 |
|
WWE | Wipo information: entry into national phase |
Ref document number: 202427026475 Country of ref document: IN |
|
WWE | Wipo information: entry into national phase |
Ref document number: 2022863373 Country of ref document: EP |
|
NENP | Non-entry into the national phase |
Ref country code: DE |
|
ENP | Entry into the national phase |
Ref document number: 2022863373 Country of ref document: EP Effective date: 20240402 |