CN219759645U - Battery cell set and battery - Google Patents

Abstract

The utility model provides a battery cell group and a battery, wherein the battery cell group comprises a plurality of battery cells, a switching piece, a fixing piece and a filling piece, the battery cells are sequentially stacked along the thickness direction, each battery cell comprises a battery cell body and a tab, the tabs are correspondingly arranged at one end of the battery cell body, the battery cells are all arranged in the fixing piece, the switching piece is arranged at one side of the battery cells facing the tabs, a plurality of through holes are formed in the switching piece, the battery cells and the fixing piece enclose a filling cavity communicated with the through holes, and the filling piece is filled in the filling cavity through the through holes so as to form a supporting piece supported between adjacent battery cells. According to the battery cell group and the battery, when the number of the battery cells is large, more supporting pieces do not need to be inserted, so that the labor cost can be reduced, and the mechanical safety of products can be improved.

Description

Battery cell set and battery

Technical Field

The utility model belongs to the field of batteries, and particularly relates to a battery cell group and a battery.

Background

At present, the battery is widely applied to daily life, and under the condition of potential safety hazard, the soft package battery generally only can blow air to crack, and basically has no explosion risk. Therefore, the use of the pouch battery is becoming more and more widespread.

The existing soft package battery consists of a plurality of battery cells, electrode lugs, an adapter and a supporting piece, wherein the battery cells are packaged through a plurality of aluminum plastic films. Specifically, the tab sets up in the one end of electric core, and a plurality of tabs connect in the adaptor jointly, and support piece sets up in electric core, tab and the cavity that the adaptor encloses and establish to support and keep apart adaptor and tab.

However, the support needs to be inserted between the adaptor and the cell, and the process of inserting the support cannot be accomplished by a machine. When the number of the electric cores is large, the number of the supporting pieces which are required to be inserted between every two adjacent electric cores and the adapter piece is large, a large amount of manual operation is required, and a large amount of labor cost is generated.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides the battery cell group and the battery, when the number of the battery cells is large, more supporting pieces do not need to be inserted, the labor cost can be reduced, and the mechanical safety of the product can be improved.

The utility model provides a battery cell group, which comprises a plurality of battery cells, a switching piece, a fixing piece and a filling piece, wherein the battery cells are sequentially stacked along the thickness direction, each battery cell comprises a battery cell body and a pole lug, the pole lugs are correspondingly arranged at one end of the battery cell body, the battery cells are all arranged in the fixing piece, the switching piece is arranged at one side of the battery cells facing the pole lugs, a plurality of through holes are formed in the switching piece, the battery cells and the fixing piece enclose a filling cavity communicated with the through holes, and the filling piece is filled in the filling cavity through the through holes so as to form a supporting piece supported between adjacent battery cells.

Optionally, the filler is polyurethane foam.

Optionally, the battery cell group further comprises an elastic piece, the elastic piece is arranged between two adjacent battery cells, and the elastic piece, the adapter piece, the battery cells and the fixing piece jointly enclose a filling cavity.

Optionally, the elastic piece comprises a first elastic piece and a second elastic piece, the first elastic piece is arranged on one side close to the adapter piece, and the second elastic piece is arranged on one side far away from the adapter piece; the filling cavity comprises a first filling cavity and a second filling cavity, the first filling cavity is surrounded by the first elastic piece, the adapter piece, the battery core and the fixing piece together, and the second filling cavity is surrounded by the second elastic piece, the battery core and the fixing piece together.

Optionally, the fixing piece includes first fixing piece and second fixing piece, and first fixing piece sets up between the first end of first elastic component and electric core to be used for enclosing into first filling chamber, the second fixing piece sets up between the second end of second elastic component and electric core to be used for enclosing into the second filling chamber, wherein, the utmost point ear sets up in the first end of electric core.

Optionally, the support member includes a first support member and a second support member, the first support member is disposed in the first filling cavity, and the second support member is disposed in the second filling cavity.

Optionally, the battery cell group further includes an insulating member, and the insulating member is connected to the adaptor and disposed on a side far away from the first end of the battery cell.

Optionally, the through hole communicates with a gap between two adjacent cells.

Alternatively, the diameter of the through hole is 0.8-5mm.

Optionally, the hardness of the support is shore C25 ° -shore C80 °.

Optionally, the first elastic member has a dimension from 1 to 15mm from the first end of the cell, and the second elastic member has a dimension from 1 to 15mm from the second end of the cell.

A battery comprises a shell, a top cover and a battery cell set, wherein the battery cell set is arranged between the shell and the top cover, and an insulating piece is arranged between an adapter piece and the top cover.

The utility model provides a battery cell group and a battery, wherein the battery cell group comprises a plurality of battery cells, a switching piece, a fixing piece and a filling piece, the battery cells are sequentially stacked along the thickness direction, each battery cell comprises a battery cell body and a tab, the tabs are correspondingly arranged at one end of the battery cell body, the battery cells are all arranged in the fixing piece, the switching piece is arranged at one side of the battery cells facing the tabs, a plurality of through holes are formed in the switching piece, the battery cells and the fixing piece enclose a filling cavity communicated with the through holes, and the filling piece is filled in the filling cavity through the through holes so as to form a supporting piece supported between adjacent battery cells. According to the battery cell group and the battery, when the number of the battery cells is large, more supporting pieces do not need to be inserted, so that the labor cost can be reduced.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions of the prior art, the drawings that are needed in the embodiments or the description of the prior art will be briefly described below, it will be obvious that the drawings in the following description are some embodiments of the present utility model, and that other drawings can be obtained according to these drawings without inventive effort to a person skilled in the art.

Fig. 1 is a schematic structural view of a battery cell set with fixing members removed according to an embodiment of the present utility model;

fig. 2 is an exploded view of a battery cell assembly according to an embodiment of the present utility model;

fig. 3 is a schematic structural diagram of a battery cell according to an embodiment of the present utility model;

fig. 4 is a schematic structural diagram of an adaptor according to an embodiment of the present utility model facing away from a battery cell;

fig. 5 is a schematic structural diagram of an adaptor facing a battery cell according to an embodiment of the present utility model;

fig. 6 is a schematic structural diagram of the battery cell of fig. 3 facing in the opposite direction;

fig. 7 is a schematic structural view of a first support member facing an adaptor according to an embodiment of the present utility model;

fig. 8 is a schematic structural diagram of a first support member facing a battery cell according to an embodiment of the present utility model;

fig. 9 is a schematic structural diagram of a second support member facing a battery cell according to an embodiment of the present utility model;

fig. 10 is a schematic structural diagram of a second support member away from a battery cell according to an embodiment of the present utility model.

Reference numerals illustrate:

100-cell groups;

110-cell;

120-adaptor;

130-a fixing piece;

140-filling piece;

150-filling the cavity;

160-an elastic member;

170-insulating member;

180-a housing;

111-a cell body;

112-electrode lugs;

121-a through hole;

131-a first securing member;

132-a second securing member;

141-a support;

1411-a first support;

1412-a second support;

151-a first filling chamber;

152-a second filling chamber;

161-a first elastic member;

162-a second elastic member.

Detailed Description

In order to make the above objects, features and advantages of the embodiments of the present utility model more comprehensible, the technical solutions of the embodiments of the present utility model will be described clearly and completely with reference to the accompanying drawings. It will be apparent that the described embodiments are only some, but not all, embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The existing soft package battery consists of a plurality of battery cells, electrode lugs, an adapter and a supporting piece, wherein the battery cells are packaged through a plurality of aluminum plastic films. Specifically, the tab sets up in the one end of electric core, and a plurality of tabs connect in the adaptor jointly, and support piece sets up in electric core, tab and the cavity that the adaptor encloses and establish to support adaptor and tab.

However, the support needs to be inserted between the adaptor and the cell, and the process of inserting the support cannot be accomplished by a machine. When the number of the electric cores is large, the number of the supporting pieces which are required to be inserted between every two adjacent electric cores and the adapter piece is large, a large amount of manual operation is required, and a large amount of labor cost is generated.

In order to solve the above problems, the present utility model provides a battery cell assembly and a battery, wherein the battery cell assembly includes a battery cell, an adapter, a fixing member and a filler. The filling piece is filled in a filling cavity surrounded by the adapter piece, the battery cell and the fixing piece to form the supporting piece. When the number of the electric cores is large, the supporting pieces are not required to be inserted between the two adjacent electric cores and the adapter piece in sequence, so that a large amount of manual operation is not required, the labor cost can be reduced, and the processing efficiency is improved.

The details of the present utility model will now be further described with reference to the accompanying drawings and detailed description.

The existing soft package battery consists of a plurality of battery cells, electrode lugs, an adapter and a supporting piece, wherein the battery cells are packaged through a plurality of aluminum plastic films. Specifically, the tab sets up in the one end of electric core, and a plurality of tabs connect in the adaptor jointly, and support piece sets up in electric core, tab and the cavity that the adaptor encloses and establish to support adaptor and tab. However, the support needs to be inserted between the adaptor and the cell, and the process of inserting the support cannot be accomplished by a machine. When the number of the electric cores is large, the number of the supporting pieces which are required to be inserted between every two adjacent electric cores and the adapter piece is large, a large amount of manual operation is required, and a large amount of labor cost is generated.

The utility model provides a battery cell group and a battery. The elastic piece is connected between adjacent electric cores, and the electric cores are all arranged in the fixing piece. The adapter, the battery core and the fixing piece enclose a filling cavity, and the filling piece is filled in the filling cavity to form the supporting piece. The support pieces are not required to be inserted between every two adjacent battery cores and the adapter piece in sequence, and the number of the inserted support pieces is not increased due to the increase of the number of the battery cores, so that a large number of manual operations are not required, the labor cost can be reduced, and the processing efficiency is improved.

Fig. 1 is a schematic structural view of a battery cell assembly with a fixing member removed according to an embodiment of the present utility model. Fig. 2 is an exploded view of a battery cell assembly according to an embodiment of the present utility model. As shown in fig. 1 and 2, the battery cell pack 100 includes a battery cell 110, an adapter 120, a fixing member 130, and a filler 140. The battery cell 110 is used as a core energy supply structure of the battery cell group 100, and is used for providing energy for the battery cell group 100 for external electronic equipment. The fixing member 130 is used as an external fixing structure of the battery cell group 100 for fixing the battery cell 110 so as to enable the battery cell 110 to be powered normally. The filling member 140 is disposed between the battery cell 110 and the adaptor 120, so that on one hand, the battery cell 110 and the adaptor 120 can be supported and fixed, and on the other hand, since the connection area between the battery cell 110 and the adaptor 120 is the weakest position of the whole battery cell group 100, the battery cell 110 and the adaptor 120 can be protected by the filling member 140, so as to avoid damage to the battery cell 110 and the adaptor 120.

The plurality of battery cells 110 are stacked in sequence along the thickness direction, and the battery cells 110 are aluminum plastic film soft package battery cells 110. Fig. 3 is a schematic structural diagram of a battery cell according to an embodiment of the present utility model. As shown in fig. 3, each battery cell 110 includes a battery cell body 111 and a tab 112, and the tab 112 is correspondingly disposed at one end of the battery cell body 111, and because the battery cell 110 is an aluminum plastic film soft package battery cell 110, the outside of the battery cell body 111 is generally wrapped by an aluminum plastic film material, when the battery cell 110 has a potential safety hazard, only a phenomenon of air blowing will occur at most, thereby avoiding greater harm. Because the multiple electric cores 110 are stacked in sequence along the thickness direction, the multiple electric cores 110 can be stacked in sequence to form the electric core group 100 together, so that the overall energy of the electric core group 100 is improved, and further, larger energy is provided for external electronic equipment.

Further, the battery cells 110 are all disposed in the fixing member 130, the adaptor 120 is disposed at one side of the battery cells 110 facing the tab 112, and the tabs 112 of the battery cells 110 are connected with the adaptor 120, so that the tabs 112 of the battery cells 110 are connected into a whole through the adaptor 120 to be connected with external electronic equipment, so as to transfer the energy of the battery cell bodies 111 in the battery cells 110 to the external electronic equipment.

Specifically, the adaptor 120 is provided with a plurality of through holes 121. Fig. 4 is a schematic structural diagram of an adaptor according to an embodiment of the present utility model facing away from a battery cell. Fig. 5 is a schematic structural diagram of an adaptor facing a battery cell according to an embodiment of the present utility model. As shown in fig. 4 and 5, the adaptor 120, the battery cells 110 and the fixing member 130 enclose a filling cavity 150 communicating with the through holes 121, and the filling member 140 is filled in the filling cavity 150 via the through holes 121 to form a supporting member 141 supported between the adjacent battery cells 110. Because the filling member 140 is filled in the filling cavity 150 surrounded by the adaptor 120, the battery cells 110 and the fixing member 130 and communicated with the through holes 121 through the plurality of through holes 121 on the adaptor 120, so as to form the supporting member 141 supported between the adjacent battery cells 110, the supporting member 141 is not required to be sequentially inserted between every two adjacent battery cells 110 and the adaptor 120, and the number of the inserted supporting members 141 is not increased due to the increase of the number of the battery cells 110, so that a large amount of manual operation is not required, the labor cost can be reduced, and the processing efficiency is improved.

Optionally, the filler 140 is polyurethane foam. Because the filling member 140 is polyurethane foam rubber, before the filling member 140 is foamed, the filling member is a semi-flowing liquid, and the gaps between the battery cells 110 can be filled so as to ensure that the filling is good. After filling and foaming, the polyurethane foam adhesive has better viscosity with the battery cell 110 and the adapter 120, so that the battery cell 110 is firmly fixed.

Optionally, the battery cell group 100 further includes an elastic member 160, where the elastic member 160 is disposed between two adjacent battery cells 110, and the elastic member 160, the adapter 120, the battery cells 110, and the fixing member 130 together enclose the filling cavity 150. Specifically, since the battery cell group 100 further includes the elastic element 160, the elastic element 160 is disposed between two adjacent battery cells 110, the elastic element 160, the adapter 120, the battery cells 110 and the fixing element 130 together enclose the filling cavity 150, on one hand, connection between the battery cells 110 can be more compact, so that the battery cell group 100 formed after stacking the battery cells 110 is more stable and firm, on the other hand, the elastic element 160 is disposed between two adjacent battery cells 110, and the battery cell group 100 formed after stacking the battery cells 110 can be fixed by the elastic element 160 without deflection and dislocation in the thickness direction.

Optionally, the elastic member 160 includes a first elastic member 161 and a second elastic member 162, where the first elastic member 161 is disposed on a side close to the adaptor 120, and the second elastic member 162 is disposed on a side far from the adaptor 120; the filling cavity 150 includes a first filling cavity 151 and a second filling cavity 152, the first filling cavity 151 is surrounded by the first elastic member 161, the adapter 120, the battery cell 110 and the fixing member 130, and the second filling cavity 152 is surrounded by the second elastic member 162, the battery cell 110 and the fixing member 130.

Specifically, since the area between the tab 112 of the battery cell 110 and the adaptor 120 is the weakest area of the connection of the battery cell group 100, the first elastic member 161 is disposed at one side close to the adaptor 120, so that the connection between the battery cells 110 of the battery cell group 100 at one side close to the adaptor 120 is tighter, and the first filling cavity 151 is surrounded by the first elastic member 161, the adaptor 120, the battery cells 110 and the fixing member 130 together, so that the area between the tab 112 of the battery cell 110 and the adaptor 120 is protected by the filling member 140 disposed in the first filling cavity 151, so as to avoid damage to the battery cells 110 and the adaptor 120.

Because the aluminum plastic film soft package battery cell 110 is in the process of processing and manufacturing, the surface of one side of the battery cell 110 far away from the adapter 120 is uneven due to the influence of processing. Fig. 6 is a schematic structural diagram of the battery cell of fig. 3 facing in the opposite direction. As shown in fig. 6, the second elastic member 162 is disposed on a side far away from the adaptor 120, so that the battery cells 110 on a side far away from the adaptor 120 of the battery cell set 100 are connected more tightly, and the second filling cavity 152 is defined by the second elastic member 162, the battery cells 110 and the fixing member 130, so that the battery cell set 100 is disposed in the second filling wall through the filling member 140, on one hand, the region far away from the adaptor 120 is protected from damage, and on the other hand, the region far away from the adaptor 120 of the battery cell set 100 can be made to pass through the filling member 140, so that the surface far away from the adaptor 120 of the battery cell set 100 is flat.

As an alternative embodiment, the fixing member 130 includes a first fixing member 131 and a second fixing member 132, the first fixing member 131 is disposed between the first elastic member 161 and the first end of the cell 110 and is used to enclose a first filling cavity 151, and the second fixing member 132 is disposed between the second elastic member 162 and the second end of the cell 110 and is used to enclose a second filling cavity 152, wherein the tab 112 is disposed at the first end of the cell 110.

Specifically, since the first fixing member 131 is disposed between the first elastic member 161 and the first end of the cell 110 and is used to enclose the first filling cavity 151, the second fixing member 132 is disposed between the second elastic member 162 and the second end of the cell 110 and is used to enclose the second filling cavity 152, during the process that the filling member 140 is filled in the first filling cavity 151 and the second filling cavity 152 to form the supporting member 141, the blocking effect of the first fixing member 131 and the second fixing member 132 prevents the filling member 140 from flowing to the area where the filling member 140 is not required through the gap between the adjacent cells 110, and the waste of the filling member 140 is avoided, so that the filling member 140 forms the supporting member 141 in the first filling cavity 151 and the second filling cavity 152.

Alternatively, the support 141 includes a first support 1411 and a second support 1412. Fig. 7 is a schematic structural diagram of the first support member facing the adaptor according to the embodiment of the present utility model. Fig. 8 is a schematic structural diagram of a first support member facing a battery cell according to an embodiment of the present utility model. As shown in fig. 7 and 8, the first support 1411 is disposed within the first filling chamber 151. Fig. 9 is a schematic structural diagram of a second support member facing a battery cell according to an embodiment of the present utility model. Fig. 10 is a schematic structural diagram of a second support member away from a battery cell according to an embodiment of the present utility model. As shown in fig. 9 and 10, the second support 1412 is disposed within the second fill cavity 152. Specifically, since the first supporting member 1411 is disposed in the first filling cavity 151, the tab 112 and the adaptor 120 of the battery cell 110 can be protected by the first supporting member 1411, so as to avoid damage to the tab 112 and the adaptor 120 of the battery cell 110, and since the second supporting member 1412 is disposed in the second filling cavity 152, one end of the battery cell 110 away from the tab 112 can be protected by the second supporting member 1412, and one end surface of the battery cell 110 away from the tab 112 is flat.

Optionally, the battery cell assembly 100 further includes an insulating member 170, where the insulating member 170 is connected to the adaptor 120 and disposed on a side away from the first end of the battery cell 110. Specifically, since the insulating member 170 is connected to the adaptor 120 and disposed on a side far away from the first end of the battery cell 110, on one hand, in the process of connecting the adaptor 120 with external electronic equipment, short circuit between the adaptor 120 and external electronic equipment is avoided, on the other hand, each gap of the adaptor 120 can be plugged through the insulating member 170, so that the filling member 140 is prevented from expanding and overflowing into the first filling cavity 151 due to each gap of the adaptor 120 in the process of forming the first supporting member 1411 in the first filling cavity 151, and normal use of the battery cell set 100 is affected.

As an alternative embodiment, the through holes 121 communicate with the gaps between adjacent two of the cells 110. Specifically, due to the gap communication between the through hole 121 and the adjacent two cells 110, the filler 140 can flow into the gap between the adjacent cells 110 through the through hole 121, so that the filler 140 normally forms the first supporting member 1411 in the first filling cavity 151.

Alternatively, the diameter of the through hole 121 is 0.8-5mm. Specifically, since the diameter of the through hole 121 is 0.8-5mm, on one hand, the diameter of the through hole 121 is not too small, which affects the speed of the filler 140 entering the first filling cavity 151 through the through hole 121, and further affects the processing efficiency, and on the other hand, the diameter of the through hole 121 is not too large, so that the filler 140 entering the first filling cavity 151 through the through hole 121 cannot form the supporting member 141 within a predetermined time, and the stacking of the filler 140 is avoided, and the processing process is affected.

Optionally, the hardness of support 141 is shore C25-80. Specifically, since the hardness of the supporting member 141 is shore C25-80 °, on one hand, the supporting member 141 is prevented from being too small in hardness, so that the supporting member 141 cannot normally support and fix the tab 112 and the adaptor 120 of the battery cell 110, and the tab 112 and the adaptor 120 of the battery cell 110 cannot be protected from being damaged, on the other hand, the supporting member 141 is prevented from being too large in hardness, so that the tab 112 and the adaptor 120 of the battery cell 110 are prevented from being damaged, and the battery cell group 100 cannot normally work.

Optionally, the first elastic member 161 has a size of 1-15mm from the first end of the battery cell 110, and the second elastic member 162 has a size of 1-15mm from the second end of the battery cell 110. Specifically, since the first elastic member 161 has a size of 1-15mm from the first end of the battery cell 110 and the second elastic member 162 has a size of 1-15mm from the second end of the battery cell 110, the first and second elastic members 161 and 162 are not too close to the two ends of the battery cell 110, which results in too small the finally formed first and second supporting members 1411 and 1412, which cannot protect the tab 112 and the adaptor 120 of the battery cell 110, and the first and second elastic members 161 and 162 are not too far from the two ends of the battery cell 110, which results in too large the finally formed first and second supporting members 1411 and 1412, which results in waste of materials and increase of costs.

The utility model provides a battery, which comprises a shell 180, a top cover and a battery cell group 100, wherein the battery cell group 100 is arranged between the shell 180 and the top cover, and an insulating piece 170 is arranged between an adapter 120 and the top cover. Specifically, since the battery cell assembly 100 is disposed between the housing 180 and the top cover, the insulating member 170 is disposed between the adapter 120 and the top cover, and the housing 180 and the top cover can further protect the internal battery cell assembly 100 from being damaged by the outside, so that the battery can work normally.

The connection process of the battery cell group 100 and the battery provided by the utility model is as follows: the battery cell assembly 100 includes a battery cell 110, an adapter 120, a fixing member 130, an elastic member 160, and a filler 140. The battery cells 110 are multiple, and a plurality of battery cells 110 are stacked in turn along the thickness direction, and each battery cell 110 includes a battery cell body 111 and a tab 112, and the tab 112 corresponds to be set up in the one end of battery cell body 111, and battery cell 110 all sets up in mounting 130.

The elastic member 160 is connected between the adjacent cells 110, the elastic member 160 includes a first elastic member 161 and a second elastic member 162, the first elastic member 161 is disposed on a side close to the adaptor 120, and the second elastic member 162 is disposed on a side far away from the adaptor 120. The fixing member 130 includes a first fixing member 131 and a second fixing member 132, the filling member 140 is filled in the filling cavity 150, the filling cavity 150 includes a first filling cavity 151 and a second filling cavity 152, the first filling cavity 151 is surrounded by a first elastic member 161, the adapter member 120, the battery cell 110 and the first fixing member 131 together, and the second filling cavity 152 is surrounded by a second elastic member 162, the battery cell 110 and the second fixing member 132 together.

Specifically, the adaptor 120 is provided with a plurality of through holes 121, the filling member 140 is filled in the first filling cavity 151 through the through holes 121 to form a first supporting member 1411 supported between the adjacent cells 110, and the filling member 140 is filled in the second filling cavity 152 to form a second supporting member 1412. Since the filling member 140 is filled in the first filling cavity 151 to form the first supporting member 1411 and the filling member 140 is filled in the second filling cavity 152 to form the second supporting member 1412, the supporting members 141 do not need to be sequentially inserted between each two adjacent cells 110 and the adaptor 120, and the number of the inserted supporting members 141 does not increase due to the increase of the number of the cells 110, so that a large amount of manual operations are not required, labor cost can be reduced, and processing efficiency can be improved.

The utility model provides a battery cell group and a battery, wherein the battery cell group comprises a plurality of battery cells, a switching piece, a fixing piece and a filling piece, the battery cells are sequentially stacked along the thickness direction, each battery cell comprises a battery cell body and a tab, the tabs are correspondingly arranged at one end of the battery cell body, the battery cells are all arranged in the fixing piece, the switching piece is arranged at one side of the battery cells facing the tabs, a plurality of through holes are formed in the switching piece, the battery cells and the fixing piece enclose a filling cavity communicated with the through holes, and the filling piece is filled in the filling cavity through the through holes so as to form a supporting piece supported between adjacent battery cells. According to the battery cell group and the battery, when the number of the battery cells is large, more supporting pieces do not need to be inserted, so that the labor cost can be reduced.

In the description of the present utility model, it should be understood that the terms "center", "length", "width", "thickness", "top", "bottom", "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "inner", "outer", "axial", "circumferential", etc. are used to indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, merely to facilitate description of the present utility model and to simplify the description, and do not indicate or imply that the referred location or element must have a specific orientation, in a specific configuration and operation, and therefore should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.

In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "configured," "connected," "secured," "screwed," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intermediaries, or in communication with each other or in interaction with each other, unless explicitly defined otherwise, the meaning of the terms described above in this application will be understood by those of ordinary skill in the art in view of the specific circumstances.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the utility model.

Claims (12)

1. The utility model provides a battery cell group, its characterized in that includes electric core, adaptor, mounting and filling member, the electric core is a plurality of, a plurality of the electric core stacks gradually along thickness direction, and each the electric core includes electric core body and utmost point ear, utmost point ear correspond set up in the one end of electric core body, the electric core all set up in the mounting, the adaptor set up in electric core orientation one side of utmost point ear, be provided with a plurality of through-holes on the adaptor, just the adaptor the electric core with the mounting encloses into with the filling chamber of through-hole intercommunication, the filling member via the through-hole fill in the filling intracavity, in order to form the support in adjacent support between the electric core.

2. The battery cell pack of claim 1, wherein the filler is polyurethane foam.

3. The battery cell pack of claim 2, further comprising an elastic member disposed between two adjacent battery cells, wherein the elastic member, the adapter member, the battery cells, and the fixing member collectively enclose the filling cavity.

4. The battery pack of claim 3, wherein the elastic member comprises a first elastic member and a second elastic member, the first elastic member being disposed on a side near the adapter member, the second elastic member being disposed on a side far from the adapter member;

the filling cavity comprises a first filling cavity and a second filling cavity, the first filling cavity is formed by the first elastic piece, the adapter piece, the battery cell and the fixing piece in a surrounding mode, and the second filling cavity is formed by the second elastic piece, the battery cell and the fixing piece in a surrounding mode.

5. The battery cell stack of claim 4, wherein the fixture comprises a first fixture and a second fixture, the first fixture disposed between the first elastic member and the first end of the battery cell and configured to enclose the first fill cavity, the second fixture disposed between the second elastic member and the second end of the battery cell and configured to enclose the second fill cavity, wherein the tab is disposed at the first end of the battery cell.

6. The battery cell stack of claim 5, wherein the support comprises a first support and a second support, the first support disposed within the first fill cavity and the second support disposed within the second fill cavity.

7. The battery cell stack of claim 6, further comprising an insulator coupled to the adapter member on a side of the first end remote from the battery cell.

8. The cell stack of claim 7, wherein the through-holes communicate with a gap between two adjacent cells.

9. The cell stack of claim 8, wherein the through-holes have a diameter of 0.8-5mm.

10. The battery pack of claim 9, wherein the support has a hardness of shore C25 ° -shore C80 °.

11. The cell stack of claim 10, wherein the first elastic member has a dimension from 1 to 15mm from a first end of the cell and the second elastic member has a dimension from 1 to 15mm from a second end of the cell.

12. A battery comprising a housing, a top cover, and the cell stack of any one of claims 7-11, the cell stack disposed between the housing and the top cover, and the insulator disposed between the adapter and the top cover.