CN218498314U - High-capacity battery - Google Patents
High-capacity battery Download PDFInfo
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- CN218498314U CN218498314U CN202221670090.1U CN202221670090U CN218498314U CN 218498314 U CN218498314 U CN 218498314U CN 202221670090 U CN202221670090 U CN 202221670090U CN 218498314 U CN218498314 U CN 218498314U
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- battery
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- battery cover
- conductive connecting
- capacity
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- 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
Abstract
The utility model provides a large capacity battery mainly solves in the current battery that the electric conduction connector structure is complicated, and be not suitable for the problem that the apron is utmost point post structure from top to bottom. The high-capacity battery comprises a battery shell, a battery cell, an insulating base plate and a conductive connecting piece; the battery shell is mainly formed by enclosing a battery cover plate and a battery box body, and the battery cover plate is a positive pole and/or a negative pole of a high-capacity battery; the battery cell is arranged in the battery shell; the insulating base plate is arranged between the battery box body and the battery cover plate and is used for realizing the insulation of the battery box body and the battery cover plate; one end of the conductive connecting piece is electrically connected with a lug of the battery cell, and the other end of the conductive connecting piece is arranged between the battery cover plate and the insulating base plate and is electrically connected with the battery cover plate. The structure of the high-capacity battery can ensure that the battery cell lug is reliably and electrically connected with the battery cover plate, and has the advantages of simple structure, simple and convenient installation and lower cost.
Description
Technical Field
The utility model belongs to the battery field, concretely relates to large capacity battery.
Background
The application field of the lithium ion battery is very wide, and in recent years, with the further development of the lithium ion battery, a plurality of lithium ion batteries are assembled into a large-capacity battery in parallel, so that the large-capacity battery is applied to the fields of energy storage, power batteries and the like. After the battery is assembled into a large-capacity battery, the large-capacity battery is packaged in a cavity formed by the cover plate and the shell, so that the battery is safe and reliable to use. However, how to achieve reliable electrical connection of the components of the large-capacity battery is a critical part.
Chinese patent application CN113224469A discloses a battery pack, which mainly comprises a housing and a battery module disposed in the housing, wherein the housing comprises a first housing and a second housing, the battery module is at least partially disposed in the first housing, the second housing is disposed on the first housing, the battery pack further comprises a circuit board, a first conductive part and a second conductive part, the circuit board is connected with the battery module, the first conductive part is disposed on the circuit board, and the first conductive part is electrically connected with the battery module; the second conductive part is arranged on the second shell, and the first conductive part and the second conductive part are detachably connected in a mutual insertion way. According to the battery pack, the first conductive part is arranged on the circuit board, so that the first conductive part is electrically connected with the battery module, the second conductive part is arranged on the second shell, the first conductive part and the second conductive part are detachably connected in an inserted manner, and the internal switching functions of the positive electrode and the negative electrode are integrated in the shell assembly process. The battery pack realizes electric connection through a plurality of parts of the circuit board, the first conductive part and the second conductive part, so that the conductive connection structure of the structure is complex and is not suitable for a structure taking the upper cover plate and the lower cover plate as polar plates.
The Chinese patent application CN207852798U discloses a safe high-capacity soft package battery module, wherein a soft package lithium battery combined main body is formed by arranging a plurality of soft package lithium battery monomers, and a positive conductive current collector and a negative conductive current collector are arranged on each soft package lithium battery monomer; the safe high-capacity soft package battery module also comprises two fusing connecting strips and an upper cover, wherein the upper cover is provided with a positive pole column and a negative pole column; the fusing connecting strip is used for conducting a current collector on the single positive electrode of the soft package lithium battery and is connected with the positive electrode pole; and the other fusing connecting strip is used for connecting the soft package lithium battery monomer negative electrode conductive current collector and is connected with the negative electrode post. The battery module is electrically connected with the fusing connecting strip, the positive pole column and the negative pole column through the positive conductive current collector, the negative conductive current collector, the fusing connecting strip and the positive pole column.
Disclosure of Invention
The electrically conductive connecting piece structure for solving current battery is complicated, and be not suitable for the problem that the upper and lower apron is utmost point post structure, the utility model provides a large capacity battery.
In order to achieve the above purpose, the technical scheme of the utility model is that:
a high-capacity battery comprises a battery shell, a battery cell, an insulating base plate and a conductive connecting piece; the battery shell is mainly formed by enclosing a battery cover plate and a battery box body, and the battery cover plate is a positive pole and/or a negative pole of a high-capacity battery; at least one battery cell is arranged in the battery shell; the insulating base plate is arranged between the battery box body and the battery cover plate and is used for realizing insulation between the battery box body and the battery cover plate; one end of the conductive connecting piece is electrically connected with a pole lug of the battery cell, and the other end of the conductive connecting piece is arranged between the battery cover plate and the insulating base plate and is electrically connected with the battery cover plate.
Furthermore, a conducting strip is arranged between the conducting connecting piece and the battery cover plate and can deform under pressure, so that the current overcurrent capacity of the conducting connecting piece and the battery cover plate is improved.
Further, the conductive sheet is one of a silver foil, a copper foil, an aluminum foil and a nickel foil, and the thickness of the conductive sheet is less than 0.1 mm.
Furthermore, the conductive connecting piece is provided with a bending part, the end face, close to the battery cover plate, of the insulating base plate is provided with an installation groove, the bending part is arranged in the installation groove, and the thickness of the bending part is larger than the depth of the installation groove.
Furthermore, the insulating backing plate is an elastic backing plate, the elastic deformation amount of the elastic backing plate is 20% -30%, and the elastic backing plate is used for providing reverse supporting force for the conductive connecting piece.
Further, the insulating base plate is one of a fluororubber base plate and an ethylene propylene diene monomer base plate.
Furthermore, an insulating sealant is filled between the battery cover plate and the insulating base plate, so that the battery shell can be well sealed.
Furthermore, the conductive connecting piece is provided with a tab connecting groove, and a tab of the battery cell is inserted into the tab connecting groove and is welded with the conductive connecting piece to realize electric connection.
Further, the battery cover plate comprises an upper battery cover and a lower battery cover, the upper battery cover and the lower battery cover are respectively a positive pole and a negative pole of the high-capacity battery, or the battery box body is of a barrel structure with one end open, the battery cover plate is the positive pole or the negative pole, and the battery box body is the negative pole or the positive pole.
Furthermore, the battery box body and the battery cover plate are connected through a fastener, and the fastener is a PS polyphenylene sulfide screw, a PEEK polyetheretherketone screw or a metal screw wrapped with an insulating material.
Compared with the prior art, the utility model discloses technical scheme has following advantage:
the utility model discloses a high-capacity battery mainly comprises a battery shell, a battery cell, an insulating backing plate and a conductive connecting piece; the battery shell is mainly formed by enclosing a battery cover plate and a battery box body, and the battery cover plate is a positive pole and/or a negative pole of a high-capacity battery; the battery cell is arranged in the battery shell; the insulating base plate is arranged between the battery box body and the battery cover plate; one end of the conductive connecting piece is electrically connected with a tab of the battery cell, and the other end of the conductive connecting piece is arranged between the battery cover plate and the insulating base plate and electrically connected with the battery cover plate. The structure of the high-capacity battery can ensure that the electrode lug of the battery cell is electrically connected with the battery cover plate reliably, and meanwhile, the high-capacity battery is simple in structure, convenient to install and low in cost.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a first schematic structural diagram of a large-capacity battery according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram ii of a large-capacity battery according to an embodiment of the present invention;
fig. 3 is a schematic diagram of a large-capacity battery according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a large-capacity battery (omitting a battery cover plate) in an embodiment of the present invention;
fig. 5 is a schematic structural diagram of a large-capacity battery (omitting a battery case) in an embodiment of the present invention;
fig. 6 is a schematic structural view of a conductive connecting member according to an embodiment of the present invention;
fig. 7 is a schematic structural diagram of an insulating pad according to an embodiment of the present invention.
Reference numerals: 1-battery shell, 2-battery cell, 3-insulating backing plate, 4-conductive connecting piece, 5-conductive piece, 6-fastener, 11-battery cover plate, 12-battery box body, 21-tab, 31-mounting groove, 41-tab connecting groove and 42-bending part.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings and specific embodiments. It should be understood by those skilled in the art that these embodiments are only for explaining the technical principle of the present invention, and are not intended to limit the scope of the present invention.
The utility model provides a large capacity battery, it mainly includes battery case, insulating backing plate, battery electricity core and electrically conductive connecting piece: the battery shell is mainly formed by enclosing a battery cover plate and a battery box body, the battery cover plate is a positive pole and/or a negative pole of a high-capacity battery, and the battery cover plate is a pole structure, so that the material cost of the battery is greatly reduced, the internal space of the battery is saved, and the energy density of the battery is improved; meanwhile, the pole is a heat accumulation part of the battery, and the battery cover plate is used as the pole, so that heat dissipation of the battery pole is facilitated. In addition, when a plurality of batteries are connected in series, the contact area between the pole posts is increased, so that the connection effectiveness of the batteries is improved, the generation of heat is reduced, and the safety and the service life of the batteries are improved. However, it is critical that the battery cover plate is used as a positive electrode post and a negative electrode post of the large-capacity battery, and the positive electrode post and the negative electrode post are electrically connected with the tabs of the battery cells reliably.
The utility model discloses a high-capacity battery comprises a battery shell, a battery cell, an insulating backing plate and a conductive connecting piece;
the battery shell is mainly formed by enclosing a battery cover plate and a battery box body, wherein the battery cover plate is a positive pole or a negative pole of a high-capacity battery; at least one battery cell is provided, and if the battery cells are multiple, the multiple battery cells are arranged in the battery shell in parallel; the insulating base plate can be of an annular plate-shaped structure and is arranged between the side wall of the battery box body and the battery cover plate, so that the insulation between the battery box body and the battery cover plate is realized, and meanwhile, the conductive connecting piece is provided with a pressing support; one end of the conductive connecting piece is electrically connected with a lug of the battery cell, the other end of the conductive connecting piece is arranged between the battery cover plate and the insulating base plate and is electrically connected with the battery cover plate, and the electrical connection is realized by the contact of the conductive connecting piece and the battery cover plate. The current of the battery cell is led out through the pole lug, transmitted to the battery cover plate through the pole lug and the conductive connecting piece and finally led out through the battery cover plate. The electric connection mode can realize reliable electric connection only by arranging the conductive connecting piece, and has simple structure and convenient installation. When the battery cover plate is used, the conductive connecting piece and the battery cover plate are reliably and electrically connected through compression between the battery cover plate and the battery box body, the compression force can be realized through the gravity of the battery cover plate, and at the moment, the battery cover plate needs to have certain weight, or an external compression device, such as a U-shaped clamp and the like, is arranged on the battery cover plate. Of course, it is most preferable that the battery cover and the battery case are connected by a fastener, such as a screw or a bolt, and the fastener is made of PPS polyphenylene sulfide, PEEK polyetheretherketone, or the like, and may be a metal screw wrapped with an insulating material.
The utility model discloses insulating backing plate can warp under pressure to exert ascending holding power to electrically conductive connecting piece, this holding power makes electrically conductive connecting piece and battery apron contact inseparabler, and then can realize better electricity and connect. The insulating base plate has a certain deformation which is not suitable for being too large, generally between 20% and 30%, and preferably between 25% and 28%, the deformation can enable the insulating base plate to have a certain deformation, the insulating base plate also has a certain hardness, the higher the hardness of the insulating base plate is, the better the supporting strength is, and the insulating base plate can be specifically a fluororubber base plate, an ethylene propylene diene monomer base plate and the like. Under the sealed condition of assurance, the fastener makes and keeps even pressure of lasting between battery apron and the insulating backing plate for the pressure of faying surface between electrically conductive connecting piece and the battery apron, every point all is even atress on whole faying surface.
The utility model discloses set up the conducting strip between electrically conductive connecting piece and battery apron, set up the conducting strip on the faying surface of electrically conductive connecting piece and battery apron promptly, the thickness of this conducting strip is less, specifically be less than 0.1 mm can, specifically can be for one of silver-colored paper tinsel, copper foil, aluminium foil, nickel foil, it has the conducting strip to increase between the faying surface, and the effect of this conducting strip has two points: 1. the conducting strip has small hardness, is easy to deform under pressure, and ensures a better and larger conducting area of the faying surface; 2. the silver has excellent conductivity, the area of the lapping surface is about 10 times of the current-carrying sectional area of the conductive connecting piece, and the structure can completely meet the required current-carrying capacity under the action of pressure and the conductive sheet.
The utility model discloses with the utmost point ear of battery electricity core and the one end welding of conductive connection spare, this conductive connection spare is the flexible coupling structure, specifically can arrange for copper transition, aluminium transition, and the other end setting of connecting the piece will be conductive on battery case's insulating backing plate, wraps one deck silver-colored paper tinsel or covers one deck silver-colored paper tinsel on conductive connection spare. For making the connection of conductive connecting piece more reliable, be equipped with mounting groove at insulating backing plate, the conductive connecting piece of having wrapped the silver paper tinsel is settled in the recess department of insulating backing plate to guarantee that the upper surface is higher than the higher side of insulating backing plate, the thickness of conductive connecting piece is greater than the degree of depth of mounting groove promptly, and the thickness that conductive connecting piece and conductive connecting piece extend mounting groove promptly is below 1mm, and this thickness still can realize better sealing performance when realizing good electrical contact. Meanwhile, the positioning of the conductive connecting piece can be increased in the device, so that the position of the conductive connecting piece is not changed. When the battery cover plate is installed and fixed, the battery cover plate is firstly attached to the conductive connecting piece wrapped with the silver foil and pressed downwards, and then attached to the peripheral insulating base plate and pressed downwards, but the deformation of the pressed insulating base plate is fixed.
Example 1
As shown in fig. 1 to 7, the large-capacity battery provided in this embodiment includes a battery case 1, a plurality of battery cells 2, an insulating pad 3, and a conductive connecting member 4: the battery shell 1 is mainly formed by enclosing a battery cover plate 11 and a battery box body 12, wherein the battery cover plate 11 comprises a battery upper cover and a battery lower cover, and the battery upper cover and the battery lower cover are respectively a positive pole and a negative pole of a high-capacity battery; a plurality of battery electricity core 2 connect in parallel for the battery electric core group, and the battery electric core group sets up in battery case 1, and the quantity of battery electric core group can be according to adjusting of large capacity battery. The capacity, voltage, internal resistance, self-discharge parameters and the like of different battery electric core groups are similar. The insulating backing plate 3 is of an annular plate-shaped structure and is arranged between the battery box body 12 and the battery cover plate 11 to realize the insulation of the battery box body 12 and the battery cover plate 11; one end of the conductive connecting piece 4 is electrically connected with the tab 21 of the battery cell 2, and the other end is arranged between the battery cover plate 11 and the insulating pad plate 3 and is electrically connected with the battery cover plate 11.
The part that above-mentioned electrically conductive connecting piece 4 is connected with battery apron 11 electricity is provided with the portion 42 of bending, insulating backing plate 3 is provided with mounting groove 31 on being close to the terminal surface of battery apron 11, the portion 42 of bending sets up in mounting groove 31, and the terminal surface of the portion 42 of bending extends mounting groove 31, and the portion thickness of bending is greater than mounting groove's the degree of depth, battery apron 11 can compress tightly electrically conductive connecting piece 4 promptly, prevent that insulating backing plate 3 from producing the interference, in addition, it has sealed glue still to fill between this battery apron and the insulating backing plate, a good seal for realizing battery case. The insulating base plate 3 is one of a fluororubber base plate and an ethylene propylene diene monomer base plate. The insulating pad 3 is an elastic pad that can be deformed under pressure to provide a reverse supporting force to the conductive connecting member 4. The utility model discloses be provided with utmost point ear spread groove 41 on the electrically conductive connecting piece 4, in utmost point ear 21 of battery electricity core 2 inserted utmost point ear spread groove 41 to be connected with electrically conductive connecting piece 4 electricity, during the concrete joint, can pass utmost point ear 21 behind the utmost point ear spread groove 41 and realize the electricity through the welding and connect. After the components are installed, the battery cover plate 11 and the battery box body 12 are connected through the fastener 6, the fastener 6 is an insulating part, the battery cover plate 11 and the battery box body 12 are prevented from being electrically connected, when the fastener 6 is installed, the battery cover plate 11, the insulating base plate 3 and the battery box body 12 are sequentially penetrated, the battery cover plate 11 and the battery box body 12 are connected, pressure is generated, the battery cover plate 11 and the battery box body 12 can compress the insulating base plate 3 and the conductive connecting part 4, and connection is more reliable.
The battery cover plate 11 in this embodiment may be disposed on the battery case 12 in an embedded manner, that is, a groove is disposed on an end surface of a side wall of the battery case 12, the battery cover plate 11 is embedded in the groove, and meanwhile, an insulating glue is filled in a gap between the battery case 12 and the battery cover plate 11, which not only prevents the battery case 12 and the battery cover plate 11 from being electrically connected, but also realizes sealing therebetween.
Example 2
As shown in fig. 1 to 7, the large-capacity battery provided in this embodiment includes a battery case 1, a plurality of battery cells 2, an insulating pad 3, a conductive sheet 5, and a conductive connecting member 4: the battery shell 1 is mainly formed by enclosing a battery cover plate 11 and a battery box body 12, wherein the battery cover plate 11 comprises a battery upper cover and a battery lower cover, and the battery upper cover and the battery lower cover are respectively a positive pole and a negative pole of a high-capacity battery; the plurality of battery electric cores 2 are connected in parallel to form a battery electric core group, the battery electric core group is arranged in the battery shell 1, and the number of the battery electric core group can be adjusted according to the battery capacity; the capacity, voltage, internal resistance, self-discharge parameters and the like of different battery electric core groups are similar. The insulating backing plate 3 is of an annular plate-shaped structure, is arranged between the side wall of the battery box body 12 and the battery cover plate 11 and is used for realizing the insulation of the battery box body 12 and the battery cover plate 11; one end of the conductive connecting piece 4 is electrically connected with the tab 21 of the battery cell 2, and the other end is arranged between the battery cover plate 11 and the insulating pad plate 3 and electrically connected with the battery cover plate 11.
The part that electrically connects electrically conductive connecting piece 4 and battery apron 11 in this embodiment is provided with the portion of bending 42, and insulating backing plate 3 is provided with mounting groove 31 on being close to the terminal surface of battery apron 11, and the portion of bending 42 sets up in mounting groove 31, and the terminal surface of the portion of bending 42 extends mounting groove 31, and battery apron 11 can compress tightly electrically conductive connecting piece 4 promptly. The insulating pad 3 is an elastic pad, which can deform under pressure to provide a reverse supporting force for the conductive connecting member 4. The insulating pad 3 may be one of a fluororubber plate and an ethylene propylene diene monomer rubber plate. The utility model discloses be provided with utmost point ear spread groove 41 on the electrically conductive connecting piece 4, in utmost point ear 21 of battery electricity core 2 inserted utmost point ear spread groove 41 to be connected with electrically conductive connecting piece 4 electricity, during the concrete joint, the accessible welding realizes the electricity to be connected. After the components are installed, the battery cover plate 11 and the battery box body 12 are connected through the fastener 6, the fastener 6 is an insulating part, the battery cover plate 11 and the battery box body 12 are prevented from being electrically connected, and when the fastener 6 is installed, the battery cover plate 11, the insulating base plate 3 and the battery box body 12 are sequentially penetrated, so that the battery cover plate 11 and the battery box body 12 are connected, pressure is generated, the battery cover plate 11 and the battery box body 12 can be pressed against the insulating pad and the conductive connecting part 4, and connection is more reliable.
In this embodiment, a conductive sheet 5 is further disposed between the conductive connecting member 4 and the battery cover plate 11, and the conductive sheet 5 can deform under pressure to increase the conductivity of the conductive connecting member 4 and the battery cover plate 11. The utility model discloses set up conducting strip 5 between electrically conductive connecting piece 4 and battery apron 11, set up conducting strip 5 on the faying surface of electrically conductive connecting piece 4 and battery apron 11 promptly, this conducting strip 5 is one of silver-colored paper tinsel, copper foil, aluminium foil, nickel foil. Increase between the faying face and have conducting strip 5, conducting strip 5's effect has two points: 1. the conducting strip 5 has small hardness and is easy to deform under pressure, so that a better and larger conducting area of the faying surface is ensured; 2. the conductive sheet 5 has excellent conductivity, the area of the lapping surface is about 10 times of the current-carrying sectional area of the conductive connecting piece 4, and the required current-carrying capacity can be completely met under the action of pressure and the conductive sheet 5.
Claims (10)
1. A high-capacity battery is characterized by comprising a battery shell, a battery cell, an insulating base plate and a conductive connecting piece, wherein the battery cell is arranged in the battery shell;
the battery shell is mainly formed by enclosing a battery cover plate and a battery box body, and the battery cover plate is a positive pole and/or a negative pole of a high-capacity battery;
at least one battery cell is arranged in the battery shell;
the insulating base plate is arranged between the battery box body and the battery cover plate and is used for realizing insulation between the battery box body and the battery cover plate;
one end of the conductive connecting piece is electrically connected with a pole lug of the battery cell, and the other end of the conductive connecting piece is arranged between the battery cover plate and the insulating base plate and is electrically connected with the battery cover plate.
2. The high-capacity battery as claimed in claim 1, wherein a conductive sheet is further disposed between the conductive connecting member and the battery cover plate, and the conductive sheet can deform under pressure to increase the current overcurrent performance of the conductive connecting member and the battery cover plate.
3. The large-capacity battery according to claim 2, wherein the conductive sheet is one of a silver foil, a copper foil, an aluminum foil, and a nickel foil, and the thickness of the conductive sheet is less than 0.1 mm.
4. The high-capacity battery as claimed in any one of claims 1 to 3, wherein the conductive connecting member is provided with a bent portion, the end surface of the insulating base plate close to the battery cover plate is provided with a mounting groove, the bent portion is arranged in the mounting groove, and the thickness of the bent portion is greater than the depth of the mounting groove.
5. The large capacity battery as claimed in claim 4, wherein the insulating gasket is an elastic gasket having an elastic deformation amount of 20 to 30% for providing a reverse supporting force to the conductive connecting member.
6. A large capacity battery as recited in claim 5, wherein the insulating gasket is one of a fluororubber gasket and an ethylene propylene diene monomer gasket.
7. The large-capacity battery as claimed in claim 4, wherein an insulating sealant is further filled between the battery cover plate and the insulating gasket for achieving good sealing of the battery case.
8. The high capacity battery as claimed in any one of claims 1 to 3, wherein the conductive connecting member is provided with tab connecting slots, and tabs of the battery cells are inserted into the tab connecting slots and are welded to the conductive connecting member to realize electrical connection.
9. The high-capacity battery according to any one of claims 1 to 3, wherein the battery cover plate comprises an upper battery cover and a lower battery cover, the upper battery cover and the lower battery cover are respectively a positive pole and a negative pole of the high-capacity battery, or the battery box body is a cylindrical structure with one open end, the battery cover plate is a positive pole or a negative pole, and the battery box body is a negative pole or a positive pole.
10. The high capacity battery according to any one of claims 1 to 3, wherein the battery case and the battery cover are connected by a fastener, and the fastener is a PS polyphenylene sulfide screw, a PEEK polyetheretherketone screw, or a metal screw wrapped with an insulating material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221670090.1U CN218498314U (en) | 2022-06-30 | 2022-06-30 | High-capacity battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221670090.1U CN218498314U (en) | 2022-06-30 | 2022-06-30 | High-capacity battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218498314U true CN218498314U (en) | 2023-02-17 |
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ID=85184700
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221670090.1U Active CN218498314U (en) | 2022-06-30 | 2022-06-30 | High-capacity battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218498314U (en) |
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2022
- 2022-06-30 CN CN202221670090.1U patent/CN218498314U/en active Active
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