CN218602683U

CN218602683U - Battery pack convenient for tab connection

Info

Publication number: CN218602683U
Application number: CN202222974697.5U
Authority: CN
Inventors: 朱建华
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-10-25
Filing date: 2022-10-25
Publication date: 2023-03-10
Anticipated expiration: 2032-10-25

Abstract

The utility model discloses a battery pack convenient for tab connection, which comprises a connecting component and at least two batteries, wherein the at least two batteries are arranged along a first direction, and each battery is provided with at least two tabs; the connecting assembly comprises a locking mechanism and at least two clamping plates which are arranged along a first direction, the clamping plates are detachably connected through the locking mechanism, and the pole lugs of the batteries are inserted between two corresponding adjacent clamping plates to be clamped by the two adjacent clamping plates, so that the at least two batteries are connected in parallel and/or in series. The utility model provides a make things convenient for group battery that utmost point ear is connected can simplify the connection technology of utmost point ear, the equipment of conveniently overhauling.

Description

Battery pack convenient for tab connection

Technical Field

The utility model relates to the technical field of batteries, in particular to make things convenient for group battery that utmost point ear is connected.

Background

With the development of new energy industries, the application of batteries will move into various application fields. Because the power supply capacity of a single battery is limited, a plurality of batteries are generally connected in series and in parallel to form a battery pack, in the battery pack, two adjacent batteries are connected with lugs according to the process requirements, so that the two adjacent batteries are connected in series or in parallel, specifically, the conventional battery pack lug connection structure generally comprises a connection plate which is provided with a plurality of slots, the two adjacent slots are arranged side by side, two lugs needing to be connected together in the two adjacent batteries are inserted into the two adjacent slots, the two lugs are bent and stacked together towards the direction of mutual approach, then the stacked parts of the two lugs are connected together by connecting methods such as soldering, laser welding, screwing on a punching hole or punching riveting, and the like, however, the lugs can be damaged by the connecting methods, the reconnection after the disassembly and the repair is affected, and more work materials are consumed, the production cost is high, the process is complex, and the specific defects are as follows:

(1) and (7) soldering. The electrode lug needs to be firstly changed into nickel, the nickel changing welding point is easy to generate heat in the use of a finished product, the difficulty of later-stage dismounting and modification is very high, and the assembly consumes more time.

(2) And (5) punching and screwing. The punching equipment is expensive, the punching and screwing process is difficult to accurately position, and the assembly consumes more time.

(3) And (6) punching and riveting. The drilling equipment is expensive, the drilling location is not accurate, the later-stage overhauling difficulty is slightly large, and the assembly consumes more time.

(4) And (5) laser welding. The welding machine is expensive, the difficulty of later-stage disassembly and repair of the battery is very high, and the assembly consumes more time.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a make things convenient for group battery that utmost point ear is connected can simplify the connection technology of utmost point ear, the equipment of conveniently overhauling.

The battery pack convenient for tab connection comprises a connecting assembly and at least two batteries, wherein the at least two batteries are arranged along a first direction and are provided with at least two tabs; the connecting assembly comprises a locking mechanism and at least two clamping plates arranged along a first direction, the clamping plates are detachably connected through the locking mechanism, the pole lugs of the batteries are inserted between the corresponding two adjacent clamping plates and clamped by the two adjacent clamping plates, so that the batteries are connected in parallel and/or in series.

According to some embodiments of the utility model, every the battery the utmost point ear partly set up in the one end of battery, another part set up in the other end of battery, coupling assembling is provided with two and is located with the one-to-one the relative both ends of battery.

According to some embodiments of the present invention, each of the tabs of the battery is disposed at one end of the battery.

According to some embodiments of the present invention, each of the batteries has two of the tabs and two of the tabs include a positive tab and a negative tab, adjacent two of the batteries are connected in series, one of the batteries is the positive tab and the other of the batteries is the negative tab arranged along a first direction.

According to some embodiments of the present invention, when two adjacent batteries are connected in series, the positive tab of one of the batteries and the negative tab of the other battery are inserted into the corresponding two adjacent clips and abutted against each other.

According to some embodiments of the present invention, each said battery has two said tabs and two said tabs include positive tabs and negative tabs, wherein, adjacent two when the battery is parallel, two said battery said positive tabs are arranged along the first direction, two said battery said negative tabs are arranged along the first direction.

According to some embodiments of the utility model, adjacent two when the battery is parallelly connected, two the battery the positive pole ear is inserted and is located corresponding adjacent two splint and mutual butt, two the battery the negative pole ear is inserted and is located corresponding adjacent two splint and mutual butt.

According to some embodiments of the utility model, the one end of utmost point ear outwards extend protrusion in coupling assembling keeps away from one side of battery, just utmost point ear protrusion in coupling assembling's partly bent compress tightly in coupling assembling.

According to some embodiments of the utility model, every splint all are provided with the mounting hole, locking mechanism includes bolt and nut, bolt one end is worn to locate in proper order and is arranged along the first direction splint the mounting hole, the nut spiro union in bolt one end, wherein, the nut with the bolt other end is mutually supported the locking splint.

According to some embodiments of the utility model, every on the splint the mounting hole is provided with two and is located the both ends that splint are relative, the bolt is provided with two and wears to locate with the one-to-one splint two the mounting hole, the nut be provided with two and with two with the one-to-one bolt spiro union.

The utility model provides a make things convenient for group battery of utmost point ear connection has following beneficial effect at least:

(1) welding and nickel conversion are avoided, and the processing time and the equipment investment cost are saved;

(2) the punching is avoided, and the processing time and the equipment investment cost are saved;

(3) the connection process of the pole lugs is simplified, and the pole lugs can be connected more quickly and more safely compared with the traditional method;

(4) the cost of manufacturing materials is lower than that of the traditional method;

(5) compared with a welding mode, the battery is not required to be cut in the process of dismantling and repairing the battery, the electrode lug is not required to be lengthened for the battery to be re-installed, and the battery can be directly installed;

(6) the battery can be quickly and easily repaired and replaced.

(7) Batteries can be flexibly increased or decreased according to needs, and flexible connection of series adding and series decreasing is realized;

(8) a plurality of batteries can be connected, so that ultra-large area connection is realized, and the requirement of limiting current output is met;

(9) the danger of short-circuit fire explosion caused by easy contact of the positive electrode lug and the negative electrode lug when the ultrathin battery is connected by using the traditional connection method is effectively avoided, poor contact of the two electrically connected lugs is effectively avoided, and the impedance and the heat generation are reduced;

connection assembly can be recycled after battery decay is scrapped.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a schematic view of a battery pack (when positive and negative electrode tabs of a battery are located at two ends and the batteries are connected in series) convenient for tab connection according to an embodiment of the present invention;

fig. 2 is a cross-sectional view of the battery pack shown in fig. 1 to facilitate tab attachment;

fig. 3 is an exploded view of the battery pack shown in fig. 1 to facilitate tab attachment;

fig. 4 is a schematic diagram of a battery pack (another connection mode when positive and negative electrode tabs of a battery are located at two ends and the batteries are connected in series) convenient for tab connection according to an embodiment of the present invention;

fig. 5 is a schematic diagram of a battery pack (batteries connected in parallel and in series) convenient for tab connection according to an embodiment of the present invention;

fig. 6 is a schematic diagram of a battery pack (another connection mode of parallel connection and series connection of batteries) convenient for tab connection according to an embodiment of the present invention;

fig. 7 is a schematic diagram of a battery pack (when positive and negative electrode tabs of a battery are located at one end and the batteries are connected in parallel) convenient for tab connection according to an embodiment of the present invention;

fig. 8 is a schematic diagram of a battery pack (when positive and negative electrode tabs of a battery are located at one end and the batteries are connected in series) convenient for tab connection according to an embodiment of the present invention.

Reference numerals are as follows:

the battery comprises a battery 100, a tab 110, a positive tab 110a, a negative tab 110b, a connecting component, a locking mechanism 210, a bolt 211, a nut 212, a clamping plate 220, an insulating plate 220a, a conducting plate 220b and a mounting hole 221.

Detailed Description

Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, a plurality of meanings are one or more, a plurality of meanings are two or more, and the terms greater than, smaller than, exceeding, etc. are understood as excluding the number, and the terms greater than, lower than, within, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, unless there is an explicit limitation, the terms such as setting, installing, connecting, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meaning of the terms in the present invention by combining the specific contents of the technical solution.

Referring to fig. 1, 5, 7 and 8, a battery pack facilitating tab connection according to an embodiment of the present invention includes a connection assembly and at least two batteries 100, the at least two batteries 100 are arranged along a first direction, and each of the batteries 100 has at least two tabs 110; the connecting assembly includes a locking mechanism 210 and at least two clamping plates 220 arranged in a first direction (referring to the up-down direction in fig. 1, 2, and 5), the clamping plates 220 are detachably connected by the locking mechanism 210, and the tabs 110 of the batteries 100 are inserted between two corresponding adjacent clamping plates 220 to be clamped by the two adjacent clamping plates 220, so that at least two batteries 100 are connected in parallel and/or in series.

Through the setting, the utility model provides a group battery has following advantage:

(3) the connection process of the pole lugs is simplified, and the pole lugs 110 can be connected more quickly and safely compared with the traditional method;

(5) compared with the welding mode, the tab 110 does not need to be cut in the process of dismantling and repairing the battery 100, the remounted battery 100 does not need to be lengthened with the tab 110, and the battery 100 can be directly installed;

(6) the battery 100 can be quickly and easily repaired and replaced;

(7) the number of the batteries 100 can be flexibly increased or decreased as required, and flexible connection of series adding and series reducing is realized;

(8) a plurality of batteries 100 can be connected to realize ultra-large area connection and meet the output requirement of limiting current;

(9) the danger of short circuit and fire explosion caused by easy contact of the positive electrode lug 110a and the negative electrode lug 110b when the ultrathin battery 100 is connected by a traditional connection method is effectively avoided, poor contact of the two electrically connected lugs 110 is effectively avoided, and impedance and heating are reduced;

connection assembly can be recycled after battery 100 is exhausted.

Referring to fig. 5 and 6, specifically, the tabs 110 of the batteries 100 include positive tabs 110a and negative tabs 110b, and when two adjacent batteries 100 are connected in parallel, the positive tabs 110a of the two batteries 100 are arranged and electrically connected in a first direction, and/or the negative tabs 110b of the two batteries 100 are arranged and electrically connected in the first direction; referring to fig. 2 and 4, when two adjacent batteries 100 are connected in series, the positive tab 110a of the first battery 100 and the negative tab 110b of the second battery 100 are arranged together and electrically connected in the first direction, the negative tab 110b of the first battery 100 is isolated from the positive tab 110a of the second battery 100, and the negative tab 110b of the first battery 100 and the positive tab 110a of the second battery 100 may also be arranged in the first direction.

In a specific implementation, the number of the positive tabs 110a of the battery 100 may be one or more than two, the number of the negative tabs 110b of the battery 100 may be one or more than two, and generally, the number of the positive tabs 110a is the same as that of the negative tabs 110b, and all the positive tabs 110a of the battery 100 are disposed at the same end of the battery 100, all the negative tabs 110b of the battery 100 are disposed at the same end of the battery 100,

it is conceivable that, with the above arrangement, all the tabs 110 in the battery pack will be divided into two groups, the tabs 110 in each group being arranged in the first direction, and the tabs 110 themselves being also deformable, whereby each tab 110 can be interposed between the corresponding adjacent two clamping plates 220 to be clamped by the corresponding adjacent two clamping plates 220.

Referring to fig. 2, 4, 5 and 6, in an implementation process, two tabs 110 that need to be isolated from each other may be isolated by a clamping plate 220 therebetween, that is, the clamping plate 220 between the two tabs 110 that need to be isolated from each other is an insulating plate 220a.

Referring to fig. 4 and 6, it is conceivable that, in some embodiments, two tabs 110 to be electrically connected may be electrically connected through a clamping plate 220 therebetween, that is, the clamping plate 220 between the two tabs 110 to be electrically connected is a conductive plate 220b, specifically, a gap is formed between two adjacent clamping plates 220 arranged along the first direction, and the two tabs 110 to be electrically connected are inserted into and clamped by two corresponding clamping plates 220 in a one-to-one correspondence manner, in this case, the clamping plate 220 located between the two tabs 110 is the conductive plate 220b, so that the two tabs 110 are electrically connected.

In the existing battery pack, two electrically connected tabs 110 are in point contact or line contact, which results in large resistance and poor discharge capacity. The utility model provides an among the group battery, be the face contact between two utmost point ears 110 that need the electricity to be connected and the current conducting plate 220b that corresponds, perhaps be the face contact between two utmost point ears 110 that need the electricity to be connected, from this, can reduce the impedance, improve transmission capacity.

Referring to fig. 2, 5, 7 and 8, it is conceivable that, in some embodiments, two tabs 110 to be electrically connected may also be inserted between two corresponding clamping plates 220 and abutted against each other, so that the two tabs 110 may also be electrically connected, wherein the two tabs 110 to be electrically connected are in surface contact, which may reduce impedance and improve power transmission capacity. Specifically, the tab 110 itself is deformable, and during the installation process, two tabs 110 to be electrically connected may be bent toward each other by the corresponding two clamping plates 220, and then the two tabs 110 may be clamped together by the corresponding two clamping plates 220.

Referring to fig. 1 to 6, it is conceivable that the tab 110 of each battery 100 is partially disposed at one end of the battery 100 and partially disposed at the other end of the battery 100 in some embodiments, in which case the above-described connecting assembly is disposed in two and one-to-one correspondence with the opposite ends of the battery 100.

Referring to fig. 7 and 8, it is conceivable that the tab 110 of each battery 100 is provided at one end of the battery 100 in some embodiments.

Referring to fig. 2 to 4, it is conceivable that, in an implementation process, each battery 100 has two tabs 110 and the two tabs 110 include a positive tab 110a and a negative tab 110b, the positive tab 110a and the negative tab 110b of the battery 100 are respectively disposed at two opposite ends of the battery 100, or the positive tab 110a and the negative tab 110b of the battery 100 are disposed at the same end of the battery 100. When two adjacent batteries 100 are connected in series, the positive tab 110a of one battery 100 and the negative tab 110b of the other battery 100 are arranged in the first direction.

Referring to fig. 2 and 3, it is conceivable that, in an implementation process, when the positive tab 110a and the negative tab 110b of the batteries 100 are respectively disposed at two opposite ends of the batteries 100, and when two adjacent batteries 100 are connected in series, the positive tab 110a of one battery 100 and the negative tab 110b of the other battery 100 are inserted between two corresponding adjacent clamping plates 220 and abut against each other, so that the positive tab 110a of one battery 100 and the negative tab 110b of the other battery 100 are electrically connected. The negative electrode lug 110b and the positive electrode lug 110a which need to be electrically connected are clamped together through the corresponding adjacent two clamping plates 220, so that the total amount of the required clamping plates 220 can be reduced, in addition, when all the batteries 100 of the battery pack are connected in series, all the clamping plates 220 can be insulating plates 220a, so that the installation of the conducting plates 220b is not required to be considered, and the installation error is avoided.

Referring to fig. 4, it is conceivable that, in some embodiments, when the positive electrode tab 110a and the negative electrode tab 110b of the battery 100 are respectively disposed at two opposite ends of the battery 100, a gap is formed between two adjacent clamping plates 220 arranged along the first direction, when two adjacent batteries 100 are connected in series, the positive electrode tab 110a of one battery 100 and the negative electrode of the other battery 100 are inserted into the two adjacent gaps in a one-to-one correspondence manner, and at this time, the clamping plates 220 between the two adjacent clamping plates are conductive plates 220b.

Referring to fig. 8, in some embodiments, when the positive tab 110a and the negative tab 110b of the batteries 100 are disposed at the same end of the batteries 100, and at this time, two adjacent batteries 100 are connected in series, the positive tab 110a of one of the batteries 100 and the negative tab 110b of the other battery 100 are inserted between and abutted against the corresponding two adjacent clamping plates 220, such that the positive tab 110a of one of the batteries 100 is electrically connected with the negative tab 110b of the other battery 100. Specifically, two adjacent batteries 100 are bent together, and the positive tab 110a of the first battery 100 and the negative tab 110b of the second battery 100 are clamped by two corresponding clamping plates 220, wherein a gap is formed between the negative tab 110b and the positive tab 110a of the first battery 100 for the installation of the corresponding clamping plate 220, and a gap is also formed between the negative tab 110b and the positive tab 110a of the second battery 100 for the installation of the corresponding clamping plate 220, so that two adjacent batteries 100 to be connected in series can be connected in series. In addition, the positive tab 110a and the negative tab 110b of the battery 100 are disposed at the same end of the battery 100, so that two adjacent batteries 100 can be connected in series, and in addition, when all the batteries 100 of the battery pack are connected in series, all the clamping plates 220 can be insulating plates 220a, so that the installation of the conductive plates 220b is not required to be considered, and the installation error is avoided.

In a specific implementation process, when two adjacent batteries 100 are connected in series, the positive tab 110a of one battery 100 and the negative tab 110b of the other battery 100 can be arranged along the first direction only by replacing the position of one battery 100 and turning over or horizontally rotating the battery 100 by 180 degrees.

Referring to fig. 5 to 7, in some embodiments, each battery 100 has two tabs 110 and the two tabs 110 include a positive tab 110a and a negative tab 110b, wherein when two adjacent batteries 100 are connected in parallel, the positive tabs 110a of the two batteries 100 are arranged in a first direction and the negative tabs 110b of the two batteries 100 are arranged in the first direction.

Referring to fig. 5 and 7, in some embodiments, when two adjacent batteries 100 are connected in parallel, the positive electrode tabs 110a of the two batteries 100 are inserted into and abutted against two corresponding adjacent clamping plates 220, and the negative electrode tabs 110b of the two batteries 100 are inserted into and abutted against two corresponding adjacent clamping plates 220, so that the two adjacent batteries 100 can be connected in parallel.

Referring to fig. 6, it is conceivable that, in some embodiments, a gap is formed between two adjacent clamping plates 220 arranged in the first direction, when two adjacent batteries 100 are connected in parallel, the positive electrode tab 110a of one battery 100 and the positive electrode tab 110a of the other battery 100 are inserted into the two adjacent gaps in a one-to-one correspondence manner, and at this time, the clamping plate 220 between the two batteries is a conductive plate 220b, so that the parallel connection of two adjacent batteries 100 can also be realized.

It should be noted that the conductive plate 220b may be entirely conductive, that is, the conductive plate 220b is entirely made of a conductive material; of course, the conductive plate 220b may also be partially conductive, specifically, the conductive plate 220b includes an insulating member and a conductive portion, the insulating member is provided with a receiving hole, the conductive portion is installed in the receiving hole, and two tabs 110 that need to be electrically connected are electrically connected by contacting with the conductive portion therebetween.

Whether the positive tab 110a and the negative tab 110b of the battery 100 are respectively disposed at two opposite ends of the battery 100, or the positive tab 110a and the negative tab 110b of the battery 100 are disposed at the same end of the battery 100, those skilled in the art can refer to the above-mentioned embodiments to realize that two adjacent batteries 100 are connected in parallel or in series.

In the specific implementation process, referring to fig. 5 and fig. 6, all the batteries 100 of the battery pack may be divided into at least two groups, and each group of batteries 100 is connected in parallel first, and then the groups of batteries 100 are connected in series.

It is conceivable that, in some embodiments, one end of the tab 110 extends outward to protrude from the side of the connecting assembly away from the battery 100, and a portion of the tab 110 protruding from the connecting assembly is bent and compressed to the connecting assembly, wherein the length of the tab 110 protruding from the connecting assembly is less than the width of the corresponding clamping plate 220, and the portion of the tab 110 protruding from the connecting assembly is used for electrical connection with an accessory of the battery, such as a protection plate or other electronic device.

Referring to fig. 1 to 3, it is conceivable that, in some embodiments, each clamping plate 220 is provided with a mounting hole 221, the locking mechanism 210 includes a bolt 211 and a nut 212, one end of the bolt 211 sequentially penetrates through the mounting holes 221 of the clamping plates 220 arranged along the first direction, the nut 212 is screwed on one end of the bolt 211, wherein the nut 212 and the other end of the bolt 211 cooperate with each other to lock the clamping plates 220, and through the above arrangement, the locking mechanism 210 is simple in structure, convenient to operate, and convenient for battery repair and disassembly.

Referring to fig. 1 to 3, it is conceivable that, in some embodiments, the mounting holes 221 of each clamping plate 220 are provided with two and located at opposite ends of the clamping plate 220, the bolts 211 are provided with two and correspondingly penetrated through the two mounting holes 221 of the clamping plate 220, and the nuts 212 are provided with two and correspondingly screwed with the two bolts 211, so that the respective clamping plates 220 of the connecting assembly can be firmly mounted, and the connecting assembly can clamp the tab 110 more effectively.

It should be noted that the utility model provides a group battery can adopt two kinds at least mounting means. For example, as shown in fig. 3, the bolt 211 may first pass through one clamping plate 220, and then the remaining clamping plates 220 and the batteries 100 are sequentially stacked and mounted according to their relative positions, in which the bolt 211 sequentially connects the clamping plates 220 in series, and finally the nut 212 is mounted and the clamping plates 220 are locked; for another example, the batteries 100 may be arranged, the clamping plates 220 may be sequentially mounted at corresponding positions, the tabs 110 may be inserted into the corresponding adjacent two clamping plates 220, and the clamping plates 220 may be fastened by the bolts 211 and the nuts 212.

It is easy to imagine that in each connecting assembly, three or more mounting holes 221 may be provided in the clamping plate, and accordingly, the number of bolts 211 and nuts 212 is three or more.

It is conceivable that the locking mechanism 210 may be arranged in other ways in the specific implementation process, for example, the locking mechanism 210 may also include two bands, and each clamping plate 220 of the connecting assembly is bound and clamped together by the two bands, wherein, in order to avoid the dislocation of each clamping plate 220, a protrusion and a groove may be respectively arranged on two opposite sides of the clamping plate 220, and in two adjacent clamping plates 220, the protrusion of one clamping plate 220 is inserted into the groove of the other clamping plate 220.

It should be noted that the battery pack provided by the present invention includes but is not limited to a lithium battery pack, and it may also be a battery pack of other chemical elements or a battery pack composed of energy storage bodies with tabs extracted by encapsulation using the same method, such as a battery pack composed of super capacitors, etc.

All possible combinations of the technical features of the above embodiments may not be described for the sake of brevity, but should be considered as within the scope of the present disclosure as long as there is no contradiction between the combinations of the technical features.

The present embodiment has been described in detail with reference to the drawings, but the present invention is not limited to the above embodiment, and various changes can be made within the knowledge of those skilled in the art without departing from the present invention.

Claims

1. A battery pack convenient for tab connection, comprising:

at least two batteries (100), at least two of the batteries (100) being arranged in a first direction, the batteries (100) each having at least two tabs (110);

the connecting assembly comprises a locking mechanism (210) and at least two clamping plates (220) arranged along a first direction, wherein the clamping plates (220) are detachably connected through the locking mechanism (210), the lugs (110) of the batteries (100) are inserted between the corresponding two adjacent clamping plates (220) so as to be clamped by the two adjacent clamping plates (220), and at least two batteries (100) are connected in parallel and/or in series.

2. A tab connection facilitating battery pack according to claim 1, wherein the tab (110) of each of the batteries (100) is partially provided at one end of the battery (100) and partially provided at the other end of the battery (100), and the connection assembly is provided in two and located at opposite ends of the battery (100) in one-to-one correspondence.

3. The battery pack facilitating tab connection as set forth in claim 1, wherein the tab (110) of each of the batteries (100) is provided at one end of the battery (100).

4. A tab connection facilitating battery pack according to claim 2 or 3, wherein each of said cells (100) has two of said tabs (110) and said two tabs (110) comprise a positive tab (110 a) and a negative tab (110 b), and when two adjacent cells (100) are connected in series, said positive tab (110 a) of one of said cells (100) and said negative tab (110 b) of the other of said cells (100) are arranged in a first direction.

5. A battery pack for facilitating tab connection according to claim 4, wherein when two adjacent batteries (100) are connected in series, the positive tab (110 a) of one battery (100) and the negative tab (110 b) of the other battery (100) are inserted into and abutted against two corresponding adjacent clamping plates (220).

6. A tab connection facilitating battery pack according to claim 2 or 3, wherein each of the batteries (100) has two of the tabs (110) and the two tabs (110) comprise a positive tab (110 a) and a negative tab (110 b), wherein when two adjacent batteries (100) are connected in parallel, the positive tabs (110 a) of the two batteries (100) are arranged in a first direction and the negative tabs (110 b) of the two batteries (100) are arranged in a first direction.

7. A battery pack for facilitating tab connection according to claim 6, wherein when two adjacent batteries (100) are connected in parallel, the positive tabs (110 a) of the two batteries (100) are inserted into two corresponding adjacent clamping plates (220) and abut against each other, and the negative tabs (110 b) of the two batteries (100) are inserted into two corresponding adjacent clamping plates (220) and abut against each other.

8. The battery pack facilitating tab connection as claimed in claim 1, wherein one end of the tab (110) extends outward to protrude from a side of the connection assembly away from the battery (100), and a portion of the tab (110) protruding from the connection assembly is bent to be pressed against the connection assembly.

9. The battery pack facilitating tab connection according to claim 1, wherein each of the clamping plates (220) is provided with a mounting hole (221), the locking mechanism (210) comprises a bolt (211) and a nut (212), one end of the bolt (211) sequentially penetrates through the mounting holes (221) of the clamping plates (220) arranged along a first direction, the nut (212) is screwed to one end of the bolt (211), and the nut (212) and the other end of the bolt (211) are matched with each other to lock the clamping plates (220).

10. The battery pack facilitating the tab connection as claimed in claim 9, wherein the mounting holes (221) of each clamping plate (220) are provided in two and located at opposite ends of the clamping plate (220), the bolts (211) are provided in two and penetrate the two mounting holes (221) of the clamping plate (220) in one-to-one correspondence, and the nuts (212) are provided in two and threadedly coupled with the two bolts (211) in one-to-one correspondence.