CN113381133A - Pole connection structure and battery - Google Patents

Pole connection structure and battery Download PDF

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Publication number
CN113381133A
CN113381133A CN202110678621.5A CN202110678621A CN113381133A CN 113381133 A CN113381133 A CN 113381133A CN 202110678621 A CN202110678621 A CN 202110678621A CN 113381133 A CN113381133 A CN 113381133A
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China
Prior art keywords
pole
connection
tab
area
region
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Pending
Application number
CN202110678621.5A
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Chinese (zh)
Inventor
郑高锋
高超
张三学
翟腾飞
刘毅
雷政军
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Shaanxi Olympus Power Energy Co Ltd
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Shaanxi Olympus Power Energy Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Application filed by Shaanxi Olympus Power Energy Co Ltd filed Critical Shaanxi Olympus Power Energy Co Ltd
Priority to CN202110678621.5A priority Critical patent/CN113381133A/en
Publication of CN113381133A publication Critical patent/CN113381133A/en
Priority to PCT/CN2022/099395 priority patent/WO2022262844A1/en
Pending legal-status Critical Current

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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/50—Current conducting connections for cells or batteries
    • H01M50/531—Electrode connections inside a battery casing
    • H01M50/533—Electrode connections inside a battery casing characterised by the shape of the leads or tabs
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/50—Current conducting connections for cells or batteries
    • H01M50/531—Electrode connections inside a battery casing
    • H01M50/534—Electrode connections inside a battery casing characterised by the material of the leads or tabs
    • 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

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Connection Of Batteries Or Terminals (AREA)

Abstract

The embodiment of the application discloses utmost point post connection structure and battery relates to lithium cell technical field, can solve the great problem of weight of battery, the cost is great. Wherein, this utmost point post connection structure includes: a structural body; wherein, this structure body includes: the terminal post connecting region and N first tab connecting regions, wherein N is a positive integer; the stacking area of the structure body corresponding to the ith first tab connecting area in the N first tab connecting areas is smaller than the stacking area of the structure body corresponding to the (i + 1) th first tab connecting area; the ith first tab connection area is as follows: an ith first tab connection region in a direction from the pole connection region to the N first tab connection regions; i is an integer greater than 1.

Description

Pole connection structure and battery
Technical Field
The embodiment of the application relates to the technical field of lithium batteries, in particular to a pole connecting structure and a battery.
Background
The high-capacity lithium battery is one of the developing directions of the lithium battery, and can be applied to the fields of energy storage and power batteries. The capacity of a large-capacity battery is much larger than that of a small-capacity battery currently used.
Usually, the maximum capacity of the applied small-capacity battery does not exceed 500AH, while the capacity of the large-capacity battery is more than 1000AH generally, and the cells in the battery are connected in parallel, so the current transmitted to the outside from the inside of the battery is large. For a large-capacity monomer of 3000Ah, when the monomer is discharged at a rate of 1C, the output current of the monomer is 3000A, which puts higher requirements on current-carrying tab and pole connecting pieces. In general, the posts and post connectors of the battery are made of aluminum or copper, the current-carrying capacity of these materials is related to the stacking area, or 3000Ah battery is taken as an example, when aluminum is used, the stacking area of the posts of the large-capacity battery reaches 40cm2About, its weight will reach 15kg when using utmost point post connecting piece, and such utmost point post connecting piece will cause battery volume weight increase when being connected with electric core, and the cost increases.
Disclosure of Invention
The embodiment of the application provides a utmost point post connection structure and battery, can solve the great problem of weight of battery, the cost is great.
In order to solve the technical problem, the embodiment of the application adopts the following technical scheme:
in a first aspect of the embodiments of the present application, a pole connecting structure is provided, where the pole connecting structure includes: a structural body; wherein, this structure body includes: the terminal post connecting region and N first tab connecting regions, wherein N is a positive integer; the stacking area of the structure body corresponding to the ith first tab connecting area in the N first tab connecting areas is smaller than the stacking area of the structure body corresponding to the (i + 1) th first tab connecting area; the ith first tab connection area is as follows: an ith first tab connection region in a direction from the pole connection region to the N first tab connection regions; i is an integer greater than 1.
Optionally, in this embodiment of the application, the structural body further includes: m second ear connection regions; the M second pole lug connection areas are positioned on one surface, far away from the N first pole lug connection areas, of the pole lug connection area; the stacking area of the structure body corresponding to the jth second lug connection region in the M second lug connection regions is smaller than the stacking area of the structure body corresponding to the jth +1 second lug connection region; the jth second ear connection region is: a jth second tab connection region in a direction from the post connection region to the M second tab connection regions; j is an integer greater than 1.
Optionally, in this embodiment of the application, the stacking area of the structure body corresponding to the pole connecting region is larger than the stacking area of the structure body corresponding to the first tab connecting region; the stacking area of the structure body corresponding to the pole connecting area is larger than that of the structure body corresponding to the first pole lug connecting area.
Optionally, in this embodiment of the application, a cross section of the structural body is rectangular.
Optionally, in an embodiment of the present application, the structural body is made of an aluminum material or a copper material.
In a second aspect of the embodiments of the present application, a battery is provided, where the battery includes a negative electrode post, a positive electrode post, X electrode core groups, and the post connection structure according to the first aspect; the pole connecting area of one pole connecting structure is connected with the negative pole, and the pole connecting area of the other pole connecting structure is connected with the positive pole; this X electric core group includes: y utmost point ear, every utmost point ear is connected with a utmost point ear connection region of utmost point post connection structure respectively, and X, Y are positive integer.
Optionally, in this embodiment of the application, each tab of at least one tab of the Y tabs is connected to a first tab connection region of a tab connection structure; each of the other tabs in the Y tabs is connected with a first tab connection area of the other pole connection structure; wherein, these other utmost point ears are: the Y tabs except for at least one tab.
Optionally, in this embodiment of the application, each tab of at least one tab of the Y tabs is connected to a first tab connection region of one pole connection structure and a first tab connection region of another pole connection structure, respectively; each of the other tabs in the Y tabs is connected to a second tab connection region of one of the pole connection structures and a second tab connection region of the other of the pole connection structures, respectively; wherein, these other utmost point ears are: and the Y tabs except for at least one tab.
Optionally, in an embodiment of the present application, the positive electrode post is a stacked disk structure; the cathode pole is of a laminated disc structure.
In an embodiment of the present application, the pole connecting structure includes: a structural body; wherein, this structure body includes: the terminal post connecting region and N first tab connecting regions, wherein N is a positive integer; the stacking area of the structure body corresponding to the ith first tab connecting area in the N first tab connecting areas is smaller than the stacking area of the structure body corresponding to the (i + 1) th first tab connecting area; the ith first tab connection area is as follows: an ith first tab connection region in a direction from the pole connection region to the N first tab connection regions; i is an integer greater than 1. Since the two poles of the battery are disposed at the uppermost portion of the battery. In this way, the current passing through the first tab connection region farthest from the terminal is the smallest, so the stacking area of the corresponding structural body is the smallest, and the current-carrying capacity passing through the first tab connection region closest to the terminal is required to satisfy not only the current of the battery core pack, but also the current of the first tab connection region at the lower part except the first tab connection region closest to the terminal, so the sectional area is the largest. The pole connecting structure just meets the current-carrying capacity of each electric core group of the battery, and achieves the effects of less weight and cost reduction.
Drawings
Fig. 1 is one of schematic structural diagrams of a pole connection structure provided in an embodiment of the present application;
fig. 2 is a schematic structural diagram of a structural body according to an embodiment of the present disclosure;
fig. 3 is a second schematic structural diagram of a structural body according to an embodiment of the present application;
fig. 4 is a third schematic structural diagram of a structural body according to an embodiment of the present application;
fig. 5 is a fourth schematic structural diagram of a structural body according to an embodiment of the present application;
fig. 6 is a second schematic structural view of a pole connection structure according to an embodiment of the present application;
fig. 7 is a fifth schematic structural view of a structural body according to an embodiment of the present application;
fig. 8 is a sixth schematic structural view of a structural body according to an embodiment of the present application;
fig. 9 is a seventh schematic structural diagram of a structural body according to an embodiment of the present application;
fig. 10 is an eighth schematic structural diagram of a structural body according to an embodiment of the present application;
fig. 11 is a schematic structural diagram of a battery according to an embodiment of the present disclosure;
fig. 12 is a second schematic structural diagram of a battery according to an embodiment of the present application.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some, but not all, embodiments of the present application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
The terms "first" and "second," and the like, in the description and in the claims of the embodiments of the present application are used for distinguishing between different objects and not for describing a particular order of the objects. For example, the first dummy switch tube and the second dummy switch tube are used to distinguish different dielectric layers, rather than describing a specific order of the dielectric layers.
In the description of the embodiments of the present application, the meaning of "a plurality" means two or more unless otherwise specified. For example, a plurality of elements refers to two elements or more.
The term "and/or" herein is an association relationship describing an associated object, and means that there may be three relationships, for example, a display panel and/or a backlight, which may mean: there are three cases of a display panel alone, a display panel and a backlight at the same time, and a backlight alone. The symbol "/" herein denotes a relationship in which the associated object is or, for example, input/output denotes input or output.
In the embodiments of the present application, words such as "exemplary" or "for example" are used to mean serving as an example, instance, or illustration. Any embodiment or design described herein as "exemplary" or "e.g.," is not necessarily to be construed as preferred or advantageous over other embodiments or designs. Rather, use of the word "exemplary" or "such as" is intended to present concepts related in a concrete fashion.
The embodiment of the application provides a utmost point post connection structure and battery, this utmost point post connection structure includes: a structural body; wherein, this structure body includes: the terminal post connecting region and N first tab connecting regions, wherein N is a positive integer; the stacking area of the structure body corresponding to the ith first tab connecting area in the N first tab connecting areas is smaller than the stacking area of the structure body corresponding to the (i + 1) th first tab connecting area; the ith first tab connection area is as follows: an ith first tab connection region in a direction from the pole connection region to the N first tab connection regions; i is an integer greater than 1. Since the two poles of the battery are disposed at the uppermost portion of the battery. In this way, the current passing through the first tab connection region farthest from the terminal is the smallest, so the stacking area of the corresponding structural body is the smallest, and the current-carrying capacity passing through the first tab connection region closest to the terminal is required to satisfy not only the current of the battery core pack, but also the current of the first tab connection region at the lower part except the first tab connection region closest to the terminal, so the sectional area is the largest. The pole connecting structure just meets the current-carrying capacity of each electric core group of the battery, and achieves the effects of less weight and cost reduction.
The pole connecting structure and the battery provided by the embodiment of the application can be applied to a large-capacity lithium battery.
The following describes in detail a pole connection structure and a battery provided in the embodiments of the present application with reference to the accompanying drawings.
Fig. 1 shows a schematic structural diagram of a pole connection structure provided in an embodiment of the present application. As shown in fig. 1, the pole connecting structure includes: a structural body 10.
Wherein, the above-mentioned structure body 10 includes: the terminal post connecting region 11 and N first tab connecting regions 12, wherein N is a positive integer; the stacking area of the structural body corresponding to the ith first tab connecting region in the N first tab connecting regions 12 is smaller than the stacking area of the structural body corresponding to the (i + 1) th first tab connecting region; the ith first tab connection area is as follows: an ith first tab connection region in a direction from the terminal connection region 11 to the N first tab connection regions 12; i is an integer greater than 1.
Optionally, in this embodiment of the application, with reference to fig. 1, as shown in fig. 2 to 5, the structural body may further be configured as: the shapes along the length direction are a symmetrical step shape (figure 2), an asymmetrical step structure body (figure 3), an asymmetrical trapezoid structure body (figure 4) and a symmetrical trapezoid structure body (figure 5).
Optionally, in this embodiment of the application, with reference to fig. 1, as shown in fig. 6, the structural body 10 further includes: m second ear connection regions 13; the M second tab connection regions 13 are located on one surface of the tab connection region 11 away from the N first tab connection regions 12; the stacking area of the structure body corresponding to the jth second ear connection region in the M second ear connection regions 13 is smaller than the stacking area of the structure body corresponding to the jth +1 second ear connection region; the jth second ear connection region is: a jth second tab connection region in a direction from the post connection region to the M second tab connection regions; j is an integer greater than 1.
Optionally, in this embodiment of the application, the stacking area of the structure body corresponding to the pole connecting region is larger than the stacking area of the structure body corresponding to the first tab connecting region; the stacking area of the structure body corresponding to the pole connecting area is larger than that of the structure body corresponding to the first pole lug connecting area.
Optionally, in this embodiment of the application, in combination with fig. 6, as shown in fig. 7 to 10, the structural body may be configured as: the outer shape along the length direction is a symmetrical step shape and is in a shape converging from the middle part to the two ends (figure 7), a structural body (figure 8) with a symmetrical trapezoid converging from the middle part to the outside, a structural body (figure 9) with an asymmetrical trapezoid converging from the middle part to the outside, and a structural body (figure 10) with an asymmetrical step converging from the middle part to the outside.
It can be understood that when the structural body is connected with the pole of the battery, the sectional area of the structural body along the length direction is different according to the number of the battery cores connected with the structural body, so that the part close to the pole is the part with the largest sectional area, and the part far away from the pole is the part with the smaller sectional area.
Optionally, in this embodiment of the application, a cross section of the structural body is rectangular.
Optionally, in an embodiment of the present application, the structural body is made of an aluminum material or a copper material.
At utmost point post connection structure that this application embodiment provided, utmost point post connection structure includes: a structural body; wherein, this structure body includes: the terminal post connecting region and N first tab connecting regions, wherein N is a positive integer; the stacking area of the structure body corresponding to the ith first tab connecting area in the N first tab connecting areas is smaller than the stacking area of the structure body corresponding to the (i + 1) th first tab connecting area; the ith first tab connection area is as follows: an ith first tab connection region in a direction from the pole connection region to the N first tab connection regions; i is an integer greater than 1. Since the two poles of the battery are disposed at the uppermost portion of the battery. In this way, the current passing through the first tab connection region farthest from the terminal is the smallest, so the stacking area of the corresponding structural body is the smallest, and the current-carrying capacity passing through the first tab connection region closest to the terminal is required to satisfy not only the current of the battery core pack, but also the current of the first tab connection region at the lower part except the first tab connection region closest to the terminal, so the sectional area is the largest. The pole connecting structure just meets the current-carrying capacity of each electric core group of the battery, and achieves the effects of less weight and cost reduction.
Fig. 11 shows a schematic structural diagram of a battery provided in an embodiment of the present application. As shown in fig. 11, the negative electrode post 21, the positive electrode post 22, X electrode core groups 23, and the post connecting structure as in the above embodiments; wherein, the pole connecting area of one pole connecting structure 24 is connected with the negative pole, and the pole connecting area of the other pole connecting structure 24 is connected with the positive pole; the X electric core groups 23 include: y utmost point ear, every utmost point ear is connected with a utmost point ear connection region of utmost point post connection structure respectively, and X, Y are positive integer.
Optionally, in this embodiment of the present application, with reference to fig. 11, each tab of at least one tab of the Y tabs is connected to a first tab connection area of a terminal connection structure; each of the other tabs in the Y tabs is connected with a first tab connection area of the other pole connection structure; wherein, these other utmost point ears are: the Y tabs except for at least one tab.
Alternatively, in the embodiment of the present application, referring to fig. 11, as shown in fig. 12, each tab of at least one tab of the Y tabs is connected to one first tab connection region 25 of one pole connection structure and one first tab connection region 26 of another pole connection structure respectively; each of the other ones of the Y tabs is connected to a second tab connection region 27 of one of the pole connection structures and a second tab connection region 28 of the other of the pole connection structures, respectively; wherein, these other utmost point ears are: and the Y tabs except for at least one tab.
In the embodiment of the application, a structure body structure of a large-capacity battery is provided, and the structure utilizes the structural characteristics of the large-capacity battery, the distribution mode of each battery core inside the battery and the distribution mode of a pole column to design the structure body into different sections according to the current size inside the battery core, so that the sectional area of each section of the structure body just accords with the current-carrying capacity of each section of the structure body through the current, and the purpose of optimizing the battery structure is achieved.
Optionally, in the embodiment of the present application, the X electric core groups are composed of 2 or more electric core groups, and the 2 or more electric core groups have 2 or more connection points with the above-mentioned structural body.
Optionally, in this embodiment of the application, when 2 or more electric core groups are connected in parallel sequentially from bottom to top through the structural body, the structural body may be a step-shaped structure with two symmetrical sides, and a portion close to the upper pole is a portion with a largest stacking area.
Optionally, in this embodiment of the application, when 2 or more electric core groups are connected in parallel sequentially from bottom to top through the structural body, the structural body may be a step-shaped structure with two asymmetric sides, and a portion close to the upper pole is a portion with a largest stacking area.
Optionally, in this application embodiment, when 2 or more electric core groups are connected in parallel sequentially from bottom to top through the structural body, the structural body may be a trapezoidal structure with bilateral symmetry, and the portion close to the upper pole is the portion with the largest stacking area.
Optionally, in this embodiment of the application, when 2 or more electric core groups are connected in parallel sequentially from bottom to top through the structural body, the structural body may be a trapezoidal structure with two asymmetric sides, and a portion close to the upper pole is a portion with a largest stacking area.
Optionally, in this embodiment of the present application, when the large-capacity battery is provided with more than 3 electric core groups, in addition to the connection manner of the structural bodies, the structural bodies may be connected in the following manner:
optionally, in this application embodiment, when 3 or more electric core groups are connected in parallel sequentially through the structural body by both ends, the structural body may be a step-shaped structure with bilateral symmetry, the portion close to the middle pole is the portion with the largest stacking area, and the stacking area of the portion with both ends farther from the pole is smaller.
Optionally, in this application embodiment, when a plurality of electric core groups of 3 or more are connected in parallel through the structure body by both ends in proper order, the structure body can be the step structure of bilateral symmetry, and the part that is close to middle part utmost point post is its the biggest part of overlapping area, and its overlapping area of the part that both ends are far away from utmost point post is less.
Optionally, in this application embodiment, when 3 or more electric core groups are connected in parallel sequentially through the structural body by both ends, the structural body may be a step-shaped structure with bilateral symmetry, the portion close to the middle pole is the portion with the largest stacking area, and the stacking area of the portion with both ends farther from the pole is smaller.
Optionally, in this application embodiment, when 3 or more electric core groups are connected in parallel sequentially through the structural body by both ends, the structural body may be a step-shaped structure with bilateral symmetry, the portion close to the middle pole is the portion with the largest stacking area, and the stacking area of the portion with both ends farther from the pole is smaller.
Optionally, in an embodiment of the present application, the positive electrode post is a stacked disk structure; the cathode pole is of a laminated disc structure.
The battery provided by the embodiment of the application is characterized in that the two poles of the battery are arranged on the uppermost part of the battery. In this way, the current passing through the first tab connection region farthest from the terminal is the smallest, so the stacking area of the corresponding structural body is the smallest, and the current-carrying capacity passing through the first tab connection region closest to the terminal is required to satisfy not only the current of the battery core pack, but also the current of the first tab connection region at the lower part except the first tab connection region closest to the terminal, so the sectional area is the largest. The pole connecting structure just meets the current-carrying capacity of each electric core group of the battery, and achieves the effects of less weight and cost reduction.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
While the present embodiments have been described with reference to the accompanying drawings, it is to be understood that the invention is not limited to the precise embodiments described above, which are meant to be illustrative and not restrictive, and that various changes may be made therein by those skilled in the art without departing from the spirit and scope of the invention as defined by the appended claims.

Claims (9)

1. The utility model provides a utmost point post connection structure which characterized in that, utmost point post connection structure includes: a structural body;
wherein, the structure body includes: the terminal post connecting region and N first tab connecting regions, wherein N is a positive integer;
the stacking area of the structure body corresponding to the ith first tab connecting area in the N first tab connecting areas is smaller than the stacking area of the structure body corresponding to the (i + 1) th first tab connecting area;
the ith first tab connection area is as follows: an ith first tab connection region in a direction from the pole connection region to the N first tab connection regions; i is an integer greater than 1.
2. A pole connecting structure according to claim 1, wherein the structural body further comprises: m second ear connection regions; the M second pole lug connection regions are positioned on one surface, far away from the N first pole lug connection regions, of the pole lug connection region;
the stacking area of the structure body corresponding to the jth second lug connection region in the M second lug connection regions is smaller than the stacking area of the structure body corresponding to the jth +1 second lug connection region;
the jth second ear connection region is: a jth second tab connection region in a direction from the post connection region to the M second tab connection regions; j is an integer greater than 1.
3. A pole connecting structure as claimed in claim 2, wherein the stacking area of the structural body corresponding to the pole connecting region is greater than the stacking area of the structural body corresponding to the first tab connecting region; the stacking area of the structure body corresponding to the pole connecting area is larger than that of the structure body corresponding to the first second pole lug connecting area.
4. A pole connecting structure according to claim 1, wherein the cross-section of the structural body is rectangular.
5. The pole connecting structure according to claim 1, wherein the structural body is made of aluminum or copper.
6. A battery, characterized in that it comprises a negative pole, a positive pole, X groups of cores and two pole connection structures according to any one of claims 1 to 5;
the pole connecting region of one pole connecting structure is connected with the negative pole, and the pole connecting region of the other pole connecting structure is connected with the positive pole;
the X electric core groups comprise: y utmost point ear, every utmost point ear respectively with utmost point ear connection regional connection of utmost point post connection structure, X, Y are positive integer.
7. The battery of claim 6, wherein each of at least one of the Y tabs is connected to a respective one of the first tab connection regions of one of the pole connection structures; each of the other tabs in the Y tabs is connected with a first tab connection area of the other pole connection structure;
wherein, other utmost point ears are: and the Y tabs except the at least one tab.
8. The battery of claim 6, wherein each of at least one of the Y tabs is connected to a first tab connection area of one of the pole connection structures and a first tab connection area of another of the pole connection structures, respectively;
each of the other tabs in the Y tabs is connected to one second tab connection region of one of the pole connection structures and one second tab connection region of the other of the pole connection structures, respectively;
wherein, other utmost point ears are: and the Y tabs except the at least one tab.
9. The battery of claim 6, wherein the positive pole post is a laminated disc structure; the negative pole post is of a laminated disc structure.
CN202110678621.5A 2021-06-18 2021-06-18 Pole connection structure and battery Pending CN113381133A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN202110678621.5A CN113381133A (en) 2021-06-18 2021-06-18 Pole connection structure and battery
PCT/CN2022/099395 WO2022262844A1 (en) 2021-06-18 2022-06-17 Pole connection structure, battery and stacked high-capacity lithium battery

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110678621.5A CN113381133A (en) 2021-06-18 2021-06-18 Pole connection structure and battery

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CN113381133A true CN113381133A (en) 2021-09-10

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CN202110678621.5A Pending CN113381133A (en) 2021-06-18 2021-06-18 Pole connection structure and battery

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115172997A (en) * 2022-06-27 2022-10-11 深圳市雄韬电源科技股份有限公司 Power battery pack with multi-cavity structure
WO2022262844A1 (en) * 2021-06-18 2022-12-22 陕西奥林波斯电力能源有限责任公司 Pole connection structure, battery and stacked high-capacity lithium battery

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2022262844A1 (en) * 2021-06-18 2022-12-22 陕西奥林波斯电力能源有限责任公司 Pole connection structure, battery and stacked high-capacity lithium battery
CN115172997A (en) * 2022-06-27 2022-10-11 深圳市雄韬电源科技股份有限公司 Power battery pack with multi-cavity structure

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