WO2022126328A1 - 电池及应用所述电池的电子装置 - Google Patents

电池及应用所述电池的电子装置 Download PDF

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Publication number
WO2022126328A1
WO2022126328A1 PCT/CN2020/136204 CN2020136204W WO2022126328A1 WO 2022126328 A1 WO2022126328 A1 WO 2022126328A1 CN 2020136204 W CN2020136204 W CN 2020136204W WO 2022126328 A1 WO2022126328 A1 WO 2022126328A1
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WIPO (PCT)
Prior art keywords
shell
battery
groove
tabs
casing
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PCT/CN2020/136204
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English (en)
French (fr)
Inventor
彭业军
丁宇
梁迎春
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宁德新能源科技有限公司
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Application filed by 宁德新能源科技有限公司 filed Critical 宁德新能源科技有限公司
Priority to CN202080013425.XA priority Critical patent/CN113474937B/zh
Priority to PCT/CN2020/136204 priority patent/WO2022126328A1/zh
Publication of WO2022126328A1 publication Critical patent/WO2022126328A1/zh

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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
    • H01M50/10—Primary casings; Jackets or wrappings
    • H01M50/102—Primary casings; Jackets or wrappings characterised by their shape or physical structure
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/10—Primary casings; Jackets or wrappings
    • H01M50/131—Primary casings; Jackets or wrappings characterised by physical properties, e.g. gas permeability, size or heat resistance
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/10—Primary casings; Jackets or wrappings
    • H01M50/172—Arrangements of electric connectors penetrating the casing
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10—Energy storage using batteries

Definitions

  • the present application relates to batteries and electronic devices using the same.
  • a battery of the present application includes a battery cell and a casing.
  • the shell includes a first shell and a second shell, and the first shell and the second shell enclose a receiving cavity.
  • the battery core includes a battery core body and a tab connected to the battery core body, and the battery core body is located in the accommodating cavity.
  • the housing further includes a third housing and a through slot extending through the second housing.
  • the third casing is embedded in the through groove and is fixedly connected with the second casing. The tabs protrude from between the inner wall of the through slot and the third housing.
  • the through groove is a straight groove, and the tabs protrude along the inner wall of the through groove.
  • the through groove is a stepped groove
  • the stepped groove includes a first part and a second part, and the second part communicates with the first part and the receiving cavity.
  • the width of the first portion is greater than the width of the second portion.
  • the tabs extend along the inner walls of the stepped grooves, and the tabs include stepped portions formed by bending corresponding to the stepped grooves.
  • the third housing is located in the first part.
  • the third housing is further embedded in the second part.
  • the second casing and/or the third casing are made of metal materials, and the tabs are located in the area between the second casing and the third casing. There is an insulating layer.
  • the second casing and the third casing are made of insulating hard plastic materials.
  • the tab and the inner wall of the through groove are bonded by an adhesive layer.
  • the third shell is provided with a groove, and the tabs protrude from the groove.
  • the tabs and the inner wall of the groove are bonded by an adhesive layer, and the second shell and the third shell are welded or glued.
  • An electronic device of the present application includes the above-mentioned battery.
  • the third casing is inserted into the through groove of the second casing, and the tabs protrude from the outer casing from between the inner wall of the through groove and the third casing,
  • the setting of the edge sealing is avoided, which is beneficial to improve the utilization rate of the overall space of the battery, thereby facilitating the improvement of the energy density of the battery.
  • FIG. 1 is a schematic three-dimensional structure diagram of a battery according to an embodiment of the present application.
  • FIG. 2 is a schematic diagram of disassembly of the battery according to the first embodiment of the application.
  • FIG. 3 is a schematic diagram of disassembly of a battery according to another embodiment of the present application.
  • FIG. 4 is a schematic cross-sectional view of the second casing according to the first embodiment of the present application.
  • FIG. 5 is a schematic diagram of disassembly of the battery according to the second embodiment of the present application.
  • FIG. 6 is a schematic cross-sectional view of a battery according to a second embodiment of the present application.
  • FIG. 7 is a schematic structural diagram of a third casing according to a third embodiment of the present application.
  • FIG. 8 is a schematic cross-sectional view of a battery according to a third embodiment of the present application.
  • FIG. 9 is a schematic structural diagram of a third casing according to a fourth embodiment of the present application.
  • FIG. 10 is a schematic diagram of disassembly of the battery according to the fourth embodiment of the application.
  • FIG. 11 is a top view of the battery according to the fourth embodiment of the application.
  • FIG. 12 is a schematic structural diagram of a battery according to a fifth embodiment of the present application.
  • FIG. 13 is a schematic diagram of disassembly of the battery according to the fifth embodiment of the application.
  • FIG. 14 is a schematic structural diagram of an electronic device according to an embodiment of the present application.
  • the battery 100 includes a cell 10 and a casing 30 .
  • the housing 30 includes a first casing 31 and a second casing 33 , and the first casing 31 and the second casing 33 surround a receiving cavity 302 .
  • the cell 10 includes a cell body 11 and a tab 13 connected to the cell body 11 .
  • the cell body 11 is located in the receiving cavity 302 .
  • the housing 30 further includes a third casing 35 and a through slot 304 penetrating the second casing 33 .
  • the through groove 304 communicates with the receiving cavity 302
  • the third casing 35 is embedded in the through groove 304 and is fixedly connected with the second casing 33 .
  • the third casing 35 is sealed with the second casing 33 .
  • the tabs 13 protrude from between the inner wall of the through slot 304 and the third housing 35 .
  • the third shell 35 is inserted into the through slot 304 of the second shell 33, and the tab 13 extends out of the shell 30 from the through slot 304, avoiding the setting of edge sealing during packaging. It is beneficial to improve the utilization rate of the battery space, thereby facilitating the improvement of the energy density of the battery.
  • the cells 10 may be wound cells or stacked cells.
  • the first shell 31, the second shell 33 and the third shell 35 may be one of insulating hard plastic material or metal material, respectively.
  • the material of the first casing 31 , the material of the second casing 33 and the material of the third casing 35 may be the same or different.
  • the region of the tab 13 between the second shell 33 and the third shell 35 is also An insulating layer 16 (shown in FIG. 3 ) is provided to insulate the second case 33 and/or the third case 35 made of metallic material.
  • the housing 30 is made of insulating hard plastic material as a whole.
  • the insulating rigid plastic material may include but is not limited to liquid crystal polymer material (LCP), polyethylene terephthalate (PET), acrylonitrile-butadiene-styrene copolymer (ABS), polyvinyl chloride One of resin (PVC) etc.
  • LCP liquid crystal polymer material
  • PET polyethylene terephthalate
  • ABS acrylonitrile-butadiene-styrene copolymer
  • PVC polyvinyl chloride One of resin
  • the metal material may be at least one of stainless steel, aluminum, and the like.
  • the second shell 33 and the third shell 35 can be fixed and sealed by welding or gluing.
  • the welding may be laser welding, ultrasonic welding or other welding methods.
  • the third casing 35 and the through groove 304 are designed in a profiling shape.
  • the thickness of the shell wall of the first shell 31 , the shell wall thickness of the second shell 33 and the shell wall thickness of the third shell 35 may be 0.1 mm to 0.1 mm, respectively. 10mm.
  • the through groove 304 is a straight groove penetrating through the shell wall of the second casing 33 .
  • the through groove 304 is in the shape of a rectangular parallelepiped.
  • the tabs 13 protrude from between the second shell 33 and the third shell 35 along the inner wall of the through slot 304 .
  • the straight grooves may also be cylindrical, prismatic and other regular or irregular shapes.
  • a straight groove refers to a groove with the same width everywhere in the groove body in the same direction.
  • the through groove 304 is a stepped groove passing through the shell wall of the second casing 33 .
  • the stepped groove includes a first part 304a and a second part 304b, wherein the second part 304b communicates with the first part 304a and the receiving cavity 302.
  • the third casing 35 is located in the first portion 304 a and cooperates with the second casing 33 to encapsulate the cell body 11 in the receiving cavity 302 .
  • the width of the first portion 304a is greater than the width of the second portion 304b, so that a stepped surface 306 is formed at the bottom of the first portion 304a.
  • the third casing 35 is supported on the stepped surface 306, which facilitates the subsequent fixing of the third casing 35 and the second casing 33, and avoids the subsequent fixing of the third casing 35 and the second casing 35.
  • the solder or adhesive flows into the receiving cavity 302 to cause contamination or short circuit.
  • the tab 13 protrudes from the housing 30 from between the second shell 33 and the third shell 35 along the inner wall of the second part 304b and the inner wall of the first part 304a, so that all the The tabs 13 are bent to form corresponding stepped portions 130 corresponding to the stepped grooves.
  • the tab 13 can also be bonded to the inner wall of the through groove 304 through the adhesive layer 50 , so that the tab 13 and the inner wall of the through groove 304 are more closely fitted, avoiding the The restoring force after the deformation of the tab 13 destroys the stability of the connection between the second shell 33 and the third shell 35 .
  • the third casing 35 is also embedded in the second portion 304b.
  • the third housing 35 includes a base plate 351 and a bump 353 protruding from one side of the base plate 351 .
  • the substrate 351 is located within the first portion 304a.
  • the bumps 353 are embedded in the second portion 304b to further prevent the solder or adhesive from flowing into the receiving cavity 302 when the third housing 35 and the second housing 33 are subsequently welded or glued to cause contamination or contamination. short circuit.
  • the protrusions 353 embedded in the second portion 304b can further fix the tabs 13 .
  • the difference from the second embodiment is that the side wall 350 of the third shell 35 facing the first portion 304 a is provided with a groove 355 corresponding to the tab 13 , the tab 13 protrudes from the groove 355 .
  • An adhesive layer 55 is used for bonding between the tabs 13 and the inner wall of the groove 355 .
  • the groove 355 may further extend from the side wall 350 to the surface 356 of the third shell 35 facing the battery cell 10 for accommodating the bending The tabs 13 are folded.
  • the housing 30 includes two spaced through slots 304 , and the battery core 10 includes two tabs 13 , wherein the corresponding The slot 304 is provided with one of the tabs 13 .
  • Each of the tabs 13 protrudes along the inner wall of the corresponding through slot 304 .
  • the housing 30 further includes two third shells 35 , and the two third shells 35 are respectively embedded in the two through grooves 304 .
  • the above-mentioned battery 100 is applied to an electronic device 200 , and the electronic device 200 may be, but not limited to, a mobile phone, a tablet computer, an electronic reader, a notebook computer, a vehicle-mounted device, a wearable device, and the like.
  • the battery 100 of the present application is inserted into the through grooves 304 of the second casing 33 through the third casing 35 , and the tabs 13 protrude from the casing 30 from the through grooves 304 , which avoids the need for packaging.
  • the setting of the edge sealing is conducive to improving the utilization rate of the overall space of the battery, thereby facilitating the improvement of the energy density of the battery.

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Sealing Battery Cases Or Jackets (AREA)
  • Battery Mounting, Suspending (AREA)

Abstract

一种电池（100）和应用所述电池（100）的电子装置（200），所述电池（100）包括电芯（10）和外壳（30）。所述外壳（30）包括第一壳体（31）和第二壳体（33），所述第一壳体（31）和所述第二壳体（33）围设形成收容腔（302）。所述电芯（10）包括电芯本体（11）和连接所述电芯本体（11）的极耳（13），所述电芯本体（11）位于所述收容腔内（302）。所述外壳（30）还包括第三壳体（35）和贯穿所述第二壳体（33）的通槽（304）。所述第三壳体（35）嵌入所述通槽（304）内并与所述第二壳体（33）固定连接，所述极耳（13）从所述通槽（304）的内壁和所述第三壳体（35）之间伸出，有利于降低电池（100）的能量损失。

Description

电池及应用所述电池的电子装置 技术领域
本申请涉及电池及应用所述电池的电子装置。
背景技术
现有的电池通常利用铝塑膜进行封装，然而，铝塑膜封装电芯时存在一定宽度的封边，而所述封边会降低电池的整体的能量密度。
发明内容
鉴于上述情况，有必要提供一种有利于降低能量密度损失的电池。
还有必要提供一种应用上述电池的电子装置。
本申请的一种电池，包括电芯和外壳。所述外壳包括第一壳体和第二壳体，所述第一壳体和所述第二壳体围设形成收容腔。所述电芯包括电芯本体和连接所述电芯本体的极耳，所述电芯本体位于所述收容腔内。所述外壳还包括第三壳体和贯穿所述第二壳体的通槽。所述第三壳体嵌入所述通槽内并与所述第二壳体固定连接。所述极耳从所述通槽的内壁和所述第三壳体之间伸出。
作为本申请的一种方案，所述通槽为直槽，所述极耳沿所述通槽的内壁伸出。
作为本申请的一种方案，所述通槽为阶梯槽，所述阶梯槽包括第一部分和第二部分，所述第二部分连通所述第一部分和所述收容腔。
作为本申请的一种方案，在同一方向上，所述第一部分的宽度大于所述第二部分的宽度。
作为本申请的一种方案，所述极耳沿所述阶梯槽的内壁伸出，所述极耳包括对应所述阶梯槽弯折形成的台阶部。
作为本申请的一种方案，所述第三壳体位于所述第一部分内。
作为本申请的一种方案，所述第三壳体还嵌入所述第二部分中。
作为本申请的一种方案，所述第二壳体及/或所述第三壳体为金属材料，所述极耳位于所述第二壳体和所述第三壳体之间的区域设有绝缘层。
作为本申请的一种方案，所述第二壳体和所述第三壳体为绝缘硬质塑料材料。
作为本申请的一种方案，所述极耳与所述通槽的内壁之间通过胶层粘接。所述第三壳体上设有凹槽，所述极耳从所述凹槽伸出。所述极耳与所述凹槽的内壁之间通过胶层粘接，所述第二壳体与所述第三壳体之间焊接或胶粘。
本申请的一种电子装置，所述电子装置包括如上所述的电池。
本申请的电池，通过所述第三壳体嵌入所述第二壳体的通槽中，所述极耳从所述通槽的内壁与所述第三壳体之间伸出所述外壳，避免了封边的设置，有利于提升电池整体空间的利用率，从而便于提升电池的能量密度。
附图说明
图1为本申请一实施方式的电池的立体结构示意图。
图2为本申请第一实施例的电池的拆解示意图。
图3为本申请另一实施方式的电池的拆解示意图。
图4为本申请第一实施例的第二壳体的剖面示意图。
图5为本申请第二实施例的电池的拆解示意图。
图6为本申请第二实施例的电池的剖面示意图。
图7为本申请第三实施例的第三壳体的结构示意图。
图8为本申请第三实施例的电池的剖面示意图。
图9为本申请第四实施例的第三壳体的结构示意图。
图10为本申请第四实施例的电池的拆解示意图。
图11为本申请第四实施例的电池的俯视图。
图12为本申请第五实施例的电池的结构示意图。
图13为本申请第五实施例的电池的拆解示意图。
图14为本申请一实施方式的电子装置的结构示意图。
主要元件符号说明
电池            100
电芯            10
电芯本体        11
极耳            13
外壳            30
第一壳体        31
第二壳体        33
收容腔          302
第三壳体        35
通槽            304
绝缘层          16
第一部分        304a
第二部分        304b
台阶面          306
台阶部          110
胶层            50、55
基板            351
凸块            353
侧壁            350
凹槽       355
电子装置   200
如下具体实施方式将结合上述附图进一步说明本申请。
具体实施方式
下面将结合本申请实施例中的附图，对本申请实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本申请一部分实施例，而不是全部的实施例。
除非另有定义，本文所使用的所有的技术和科学术语与属于本申请的技术领域的技术人员通常理解的含义相同。本文中在本申请的说明书中所使用的术语只是为了描述具体的实施例的目的，不是旨在于限制本申请。
下面结合附图，对本申请的一些实施方式作详细说明。在不冲突的情况下，下述的实施例及实施例中的特征可以相互组合。
请参阅图1和图2，电池100包括电芯10和外壳30。所述外壳30包括第一壳体31和第二壳体33，且所述第一壳体31和所述第二壳体33围设形成收容腔302。所述电芯10包括电芯本体11和连接所述电芯本体11的极耳13。所述电芯本体11位于所述收容腔302内。所述外壳30还包括第三壳体35和贯穿所述第二壳体33的通槽304。其中，所述通槽304连通所述收容腔302，所述第三壳体35嵌入所述通槽304内并与所述第二壳体33固定连接。在本实施方式中，所述第三壳体35与所述第二壳体33密封。所述极耳13从所述通槽304的内壁和所述第三壳体35之间伸出。通过第三壳体35嵌入所述第二壳体33的通槽304中，所述极耳13从所述通槽304中伸出所述外壳30，在封装时避免了封边的设置，有利于提升电池空间的利用率，从而便于提升电池的能量密度。
所述电芯10可为卷绕式电芯或者堆叠式电芯。
所述第一壳体31、所述第二壳体33和所述第三壳体35可分别为绝缘硬 质塑料材料或者金属材料中的一种。所述第一壳体31的材质、第二壳体33的材质和所述第三壳体35的材质可相同也可不同。当所述第二壳体33和所述第三壳体35中至少一个为金属材料时，所述极耳13位于所述第二壳体33和所述第三壳体35之间的区域还设有绝缘层16(如图3所示)以与金属材料制得的所述第二壳体33和/或所述第三壳体35绝缘。
可选的，所述外壳30整体为绝缘硬质塑料材料。
所述绝缘硬质塑料材料可包括但不仅限于液晶高分子聚合材料(LCP)、聚对苯二甲酸类塑料(PET)、丙烯腈-丁二烯-苯乙烯共聚物(ABS)、聚氯乙烯树脂(PVC)等中的一种。
所述金属材料可为不锈钢、铝等中的至少一种。
所述第二壳体33和所述第三壳体35之间可通过焊接或者胶粘的方式固定和密封。其中，所述焊接可为激光焊接、超声焊接或者其他的焊接方式。可选的，所述第三壳体35与所述通槽304仿形设计。
在一些实施方式中，所述第一壳体31的壳壁的厚度、所述第二壳体33的壳壁的厚度和所述第三壳体35的壳壁的厚度可分别为0.1mm至10mm。
下面通过实施例对本申请的电池进行进一步地说明。
第一实施例
如图1至图4所示，所述通槽304为贯穿所述第二壳体33的壳壁的直槽。具体的，在本实施例中所述通槽304呈长方体状。所述极耳13沿着所述通槽304的内壁从所述第二壳体33和所述第三壳体35之间伸出。
在一些实施例中，所述直槽还可为圆柱形、棱柱形等其他规则或者不规则的形状。在本申请中，直槽是指槽体各处在同一方向上的宽度均相等的凹槽。
第二实施例
请参阅图5和图6，所述通槽304为贯穿所述第二壳体33的壳壁的阶梯槽。所述阶梯槽包括第一部分304a和第二部分304b，其中，所述第二部分 304b连通所述第一部分304a和所述收容腔302。
所述第三壳体35位于所述第一部分304a内与所述第二壳体33配合将所述电芯本体11封装于所述收容腔302中。
本实施例中，在同一方向上，所述第一部分304a的宽度大于所述第二部分304b的宽度，使得所述第一部分304a的底部形成一台阶面306。所述第三壳体35承载于所述台阶面306，便于后续所述第三壳体35与所述第二壳体33的固定，且避免后续所述第三壳体35与所述第二壳体33焊接或胶粘时，焊料或胶粘剂流入收容腔302内造成污染或短路。
所述极耳13沿所述第二部分304b的内壁和所述第一部分304a的内壁从所述第二壳体33和所述第三壳体35之间伸出所述外壳30，从而使得所述极耳13对应所述阶梯槽弯折形成相应的台阶部130。
在一些实施例中，所述极耳13还可通过胶层50与所述通槽304的内壁粘接，使得所述极耳13与所述通槽304的内壁更加的贴合，避免所述极耳13形变后的恢复力破坏所述第二壳体33和所述第三壳体35连接的稳固性。
第三实施例
请参阅图7和图8，与第二实施例的不同之处在于，所述第三壳体35还嵌入所述第二部分304b中。具体的，所述第三壳体35包括基板351和凸设于所述基板351一侧的凸块353。所述基板351位于所述第一部分304a内。所述凸块353嵌入所述第二部分304b中，进一步地避免后续所述第三壳体35与所述第二壳体33焊接或胶粘时，焊料或胶粘剂流入收容腔302内造成污染或短路。另外，所述凸块353嵌入所述第二部分304b还可对所述极耳13进行进一步地固定。
第四实施例
请参阅图9、图10和图11，与第二实施例的不同之处在于，所述第三壳体35朝向所述第一部分304a的侧壁350对应所述极耳13设有凹槽355，所述极耳13从所述凹槽355伸出。所述极耳13与所述凹槽355的内壁之间 通过一胶层55粘接。
在一些实施例中，如图10所示，所述凹槽355还可进一步地自所述侧壁350延伸至所述第三壳体35朝向所述电芯10的表面356，用于容纳弯折的所述极耳13。
第五实施例
请参阅图12和图13，与第二实施例的不同之处在于，所述外壳30包括两个间隔的通槽304，且所述电芯10包括两个极耳13，其中，对应每一通槽304设置一所述极耳13。每一所述极耳13沿着对应的所述通槽304的内壁伸出。所述外壳30还包括两个第三壳体35，两个所述第三壳体35分别嵌入两个所述通槽304中。
请参阅图14，上述电池100应用于电子装置200中，所述电子装置200可为但不仅限于手机、平板电脑、电子阅读器、笔记本电脑、车载设备、可穿戴设备等。
本申请的电池100，通过第三壳体35嵌入所述第二壳体33的通槽304中，所述极耳13从所述通槽304中伸出所述外壳30，在封装时避免了封边的设置，有利于提升电池整体空间的利用率，从而便于提升电池的能量密度。
另外，对于本领域的普通技术人员来说，可以根据本申请的技术构思做出其它各种相应的改变与变形，而所有这些改变与变形都应属于本申请的保护范围。

Claims (11)

  1. 一种电池，包括电芯和外壳，所述外壳包括第一壳体和第二壳体，所述第一壳体和所述第二壳体围设形成收容腔，所述电芯包括电芯本体和连接所述电芯本体的极耳，所述电芯本体位于所述收容腔内，其特征在于，
    所述外壳还包括贯穿所述第二壳体的通槽；
    所述外壳还包括第三壳体，所述第三壳体嵌入所述通槽内，并与所述第二壳体固定连接；
    所述极耳从所述通槽的内壁和所述第三壳体之间伸出。
  2. 如权利要求1所述的电池，其特征在于，所述通槽为直槽，所述极耳沿所述通槽的内壁伸出。
  3. 如权利要求1所述的电池，其特征在于，所述通槽为阶梯槽，所述阶梯槽包括第一部分和第二部分，所述第二部分连通所述第一部分和所述收容腔。
  4. 如权利要求3所述的电池，其特征在于，在同一方向上，所述第一部分的宽度大于所述第二部分的宽度。
  5. 如权利要求3所述的电池，其特征在于，所述极耳沿所述阶梯槽的内壁伸出，所述极耳包括对应所述阶梯槽弯折形成的台阶部。
  6. 如权利要求3所述的电池，其特征在于，所述第三壳体位于所述第一部分内。
  7. 如权利要求6所述的电池，其特征在于，所述第三壳体还嵌入所述第二部分中。
  8. 如权利要求1所述的电池，其特征在于，所述第二壳体及/或所述第三壳体为金属材料，所述极耳位于所述第二壳体和所述第三壳体之间的区域设有绝缘层。
  9. 如权利要求1所述的电池，其特征在于，所述第二壳体和所述第三壳体为绝缘硬质塑料材料。
  10. 如权利要求1所述的电池，其特征在于，所述极耳与所述通槽的内壁之间通过胶层粘接，所述第三壳体上设有凹槽，所述极耳从所述凹槽伸出，所述极耳与所述凹槽的内壁之间通过胶层粘接，所述第二壳体与所述第三壳体之间焊接或胶粘。
  11. 一种电子装置，其特征在于，所述电子装置包括如权利要求1至10任意一项所述的电池。
PCT/CN2020/136204 2020-12-14 2020-12-14 电池及应用所述电池的电子装置 WO2022126328A1 (zh)

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007335219A (ja) * 2006-06-15 2007-12-27 Nec Tokin Corp 密閉型電池
JP2014203514A (ja) * 2013-04-01 2014-10-27 三洋電機株式会社 電池
CN104134763A (zh) * 2013-04-30 2014-11-05 藤森工业株式会社 封口部件以及蓄电装置用容器
CN209896161U (zh) * 2019-05-13 2020-01-03 宁德时代新能源科技股份有限公司 二次电池
CN210743996U (zh) * 2019-10-15 2020-06-12 宁德时代新能源科技股份有限公司 二次电池、电池模块、电池组及装置

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20060099501A1 (en) * 2004-10-28 2006-05-11 Kim Ka Y Secondary battery

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007335219A (ja) * 2006-06-15 2007-12-27 Nec Tokin Corp 密閉型電池
JP2014203514A (ja) * 2013-04-01 2014-10-27 三洋電機株式会社 電池
CN104134763A (zh) * 2013-04-30 2014-11-05 藤森工业株式会社 封口部件以及蓄电装置用容器
CN209896161U (zh) * 2019-05-13 2020-01-03 宁德时代新能源科技股份有限公司 二次电池
CN210743996U (zh) * 2019-10-15 2020-06-12 宁德时代新能源科技股份有限公司 二次电池、电池模块、电池组及装置

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