WO2022206518A1 - Batterie et dispositif terminal - Google Patents

Batterie et dispositif terminal Download PDF

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Publication number
WO2022206518A1
WO2022206518A1 PCT/CN2022/082555 CN2022082555W WO2022206518A1 WO 2022206518 A1 WO2022206518 A1 WO 2022206518A1 CN 2022082555 W CN2022082555 W CN 2022082555W WO 2022206518 A1 WO2022206518 A1 WO 2022206518A1
Authority
WO
WIPO (PCT)
Prior art keywords
battery
battery body
negative electrode
electrode adapter
positive electrode
Prior art date
Application number
PCT/CN2022/082555
Other languages
English (en)
Chinese (zh)
Inventor
林鸿凯
卫志达
曾玉祥
王永旺
许德胜
陈龙云
Original Assignee
珠海冠宇电池股份有限公司
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.)
Filing date
Publication date
Application filed by 珠海冠宇电池股份有限公司 filed Critical 珠海冠宇电池股份有限公司
Publication of WO2022206518A1 publication Critical patent/WO2022206518A1/fr

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Classifications

    • 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
    • H01M50/109—Primary casings; Jackets or wrappings characterised by their shape or physical structure of button or coin shape
    • 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
    • H01M50/502—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing
    • H01M50/503—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing characterised by the shape of the interconnectors
    • 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 belongs to the technical field of lithium ion batteries, and specifically relates to batteries and terminal equipment.
  • Button battery also known as button battery, refers to a battery with a size like a small button. Generally speaking, it has a larger diameter and a thinner thickness. Button batteries are classified according to their appearance. The corresponding battery classifications include cylindrical batteries, Square battery, special-shaped battery, etc.
  • the existing button battery generally includes a battery body and an assembly structure.
  • the assembly structure is arranged outside the battery body.
  • the assembly structure includes a positive electrode adapter sheet and a negative electrode adapter sheet.
  • the input end of the positive electrode adapter sheet is electrically connected to the positive electrode of the battery body.
  • the input end of the negative electrode adapter is electrically connected to the negative electrode of the battery body
  • the output ends of the positive electrode adapter and the negative electrode adapter are electrically connected to the positive and negative pins of the terminal equipment respectively, and the positive electrode adapter It is located above the battery body, and the negative electrode adapter is located below the battery body.
  • the existing button batteries are not compact in structure, resulting in low energy density of the button batteries.
  • the present application provides a battery and a terminal device, which can avoid the high space of the battery occupied by the positive electrode adapter and the negative electrode adapter, make the battery structure more compact, and improve the energy density of the battery , to improve the battery and terminal equipment's battery life.
  • the present application provides a battery for installation on a terminal device, including a battery body, a positive electrode adapter and a negative electrode adapter, a first input end of the positive electrode adapter and a battery body
  • the positive electrode of the battery is electrically connected
  • the second input end of the negative electrode adapter is electrically connected to the negative electrode of the battery body.
  • the first output end of the positive electrode adapter sheet and the second output end of the negative electrode adapter sheet are both located on the side wall of the battery body.
  • the positive and negative electrodes of the battery body are easily connected to the pins of the terminal equipment by setting the positive electrode adapter and the negative electrode adapter.
  • the height space of the battery is avoided to the greatest extent by the positive electrode adapter and the negative electrode adapter, the height of the battery body is increased, the battery structure is more compact, the energy density of the battery is improved, and the battery life.
  • the positive electrode of the battery body is located on the top of the battery body, and the first input end of the positive electrode adapter sheet is located on the top of the battery body.
  • the negative electrode of the battery body is located on the side wall of the battery body, and an insulating member is provided between the first output end of the positive electrode adapter and the side wall of the battery body.
  • the second input end of the negative electrode adapter is located on the side wall of the battery body.
  • the negative electrode of the battery body is located at the bottom of the battery body, and the second input end of the negative electrode adapter sheet is located at the bottom of the battery body.
  • the positive electrode adapter further includes a first connecting portion, the first connecting portion is attached to the side wall of the battery body, and the first connecting portion is connected to the first input end and the first output end .
  • the first input end is located at the first end of the first connection part.
  • the end of the first output end extends in a direction away from the battery body.
  • the root of the first output end is located in the middle of the first connection part, or the root of the first output end is located at the second end of the first connection part, and the first end and the second end are oppositely arranged.
  • the second input end of the negative electrode adapter has an abutting surface and a mounting surface that are oppositely arranged, the abutting surface is in contact with the side wall of the battery body, and the root of the second output end is located at the mounting surface. On the surface, the end of the second output end extends in a direction away from the mounting surface.
  • the negative electrode adapter sheet includes a second connecting portion, the second connecting portion is attached to the side wall of the battery body, and the second connecting portion is connected to the second input end and the second output end.
  • the second input end is located at the third end of the second connection part.
  • the end of the second output end extends away from the battery body, the root of the second output end is located at the fourth end of the second connection part, or the root of the second output end is located in the middle of the second connection part.
  • the third end and the fourth end are arranged opposite to each other.
  • the battery includes a positioning piece, and the positioning piece is arranged on the side wall of the battery body.
  • the positioning sheet includes a positioning part and a mounting part, the mounting part is attached to the side wall of the battery body, the root of the positioning part is located on the side of the mounting part away from the battery body, and the end of the positioning part extends away from the mounting part.
  • the positioning part is provided with a buckle, and the buckle is used to be clamped in the card slot of the terminal device.
  • the present application provides a terminal device, the terminal device includes an installation slot and the battery described in any one of the above, the battery is arranged in the installation slot, and a card slot is arranged in the installation slot, and the card slot and the battery card Buckle.
  • the positive electrode and the negative electrode of the battery body can be easily connected to the pins of the terminal device.
  • the output terminals of the battery are all arranged on the side wall of the battery body, which avoids to the greatest extent the positive electrode adapter and the negative electrode adapter occupying the height space of the battery, increases the height of the battery body, makes the battery structure more compact, and improves the battery life.
  • the energy density improves the endurance of the terminal equipment.
  • FIG. 1 is a schematic structural diagram of a battery provided in Embodiment 1 of the present application.
  • FIG. 2 is a schematic structural diagram of a battery (excluding a cover plate) provided in Embodiment 1 of the present application;
  • FIG. 3 is a schematic structural diagram of the first positive electrode adapter sheet of the battery provided in Embodiment 1 of the present application;
  • FIG. 4 is a schematic structural diagram of the first negative electrode adapter sheet of the battery provided in the first embodiment of the application;
  • FIG. 5 is a schematic structural diagram of a positioning piece of a battery provided in Embodiment 1 of the present application.
  • FIG. 6 is a front view of the second type of positive electrode adapter provided in Embodiment 1 of the present application.
  • FIG. 7 is a front view of a second type of negative electrode adapter provided in Embodiment 1 of the present application.
  • FIG. 8 is a front view of a third negative electrode adapter sheet provided in Embodiment 1 of the present application.
  • the terminal equipment generally has an installation groove, and the button battery is assembled in the installation groove.
  • the existing button battery generally includes a battery body and an assembly structure.
  • the assembly structure is arranged outside the battery body.
  • the assembly structure includes a positive electrode adapter sheet and a negative electrode adapter sheet.
  • the input end of the positive electrode adapter sheet is electrically connected to the positive electrode of the battery body.
  • the input end of the negative electrode adapter is electrically connected to the negative electrode of the battery body
  • the output ends of the positive electrode adapter and the negative electrode adapter are electrically connected to the positive and negative pins of the terminal equipment respectively, and the positive electrode adapter It is located above the battery body, and the negative electrode adapter is located below the battery body.
  • the assembly structure of the existing button battery is not compact enough, and the positive electrode adapter and the negative electrode adapter occupy the height space of the button battery, which reduces the height of the battery body, resulting in low energy density of the button battery, which affects the battery and terminal equipment. battery life.
  • the present application provides a battery and a terminal device.
  • a positive electrode adapter piece and a negative electrode adapter piece By arranging a positive electrode adapter piece and a negative electrode adapter piece, the positive electrode and the negative electrode of the battery body can be easily connected to the pins of the terminal device.
  • By connecting the positive electrode adapter piece and the negative electrode adapter piece The output terminals of the battery are all arranged on the side wall of the battery body, which avoids to the greatest extent the positive electrode adapter and the negative electrode adapter occupying the height space of the battery, increases the height of the battery body, makes the battery structure more compact, and improves the battery life. The energy density increases the battery life.
  • FIG. 1 is a schematic structural diagram of a battery provided in Embodiment 1 of the present application.
  • FIG. 2 is a schematic structural diagram of a battery (excluding a cover plate) provided in Embodiment 1 of the present application.
  • FIG. 3 is a schematic structural diagram of a first positive electrode adapter sheet of the battery provided in Embodiment 1 of the present application.
  • FIG. 4 is a schematic structural diagram of the first negative electrode adapter sheet of the battery provided in the first embodiment of the present application.
  • FIG. 5 is a schematic structural diagram of a positioning sheet of a battery provided in Embodiment 1 of the present application.
  • FIG. 6 is a front view of a second type of positive electrode adapter provided in Embodiment 1 of the present application.
  • FIG. 7 is a front view of the second negative electrode adapter provided in the first embodiment of the application.
  • FIG. 8 is a front view of a third negative electrode adapter sheet provided in Embodiment 1 of the present application.
  • Embodiment 1 of the present application provides a battery.
  • the battery 100 is used to be installed on a terminal device, and includes a battery body 10 , a positive electrode adapter plate 20 and a negative electrode adapter plate 30 .
  • the first input end 21 of the tab 20 is electrically connected to the positive electrode 11 of the battery body 10
  • the second input end 31 of the negative electrode adapter 30 is electrically connected to the negative electrode 12 of the battery body 10 .
  • the first output end 23 of the positive electrode adapter plate 20 and the second output end 32 of the negative electrode adapter plate 30 are both located on the side wall of the battery body 10 .
  • the positive electrode adapter sheet 20 and the negative electrode adapter sheet 30 are prevented from occupying the height space of the battery 100 to the greatest extent, and the height space of the battery 100 is increased.
  • the height of the battery body 10 is increased, so that the structure of the battery 100 is more compact, the energy density of the battery 100 is improved, and the battery life of the battery 100 is improved.
  • the positive electrode 11 of the battery body 10 may be located on the top of the battery body 10
  • the first input end 21 of the positive electrode adapter 20 is also located on the top of the battery body 10
  • the first input end 21 and the positive electrode 11 abuts
  • a cover plate 13 may be provided above the first input end 21
  • the cover plate 13 may be made of insulating material, so as to prevent interference with the electrical connection between the first input end 21 and the positive electrode 11 .
  • the negative electrode 12 of the battery body 10 may be located on the side wall of the battery body 10 , an insulating member 40 may be provided between the first output end 23 of the positive electrode adapter 20 and the side wall of the battery body 10 , and the insulating member 40 may be provided. A short circuit of the positive electrode adapter 20 can be avoided.
  • the second input end 31 of the negative electrode adapter 30 is located on the side wall of the battery body 10 . In this way, both the first output end 23 of the positive electrode adapter sheet 20 and the negative electrode adapter sheet 30 are located on the side wall of the battery body 10, which saves the height space of the battery 100, increases the height of the battery body 10 to the greatest extent, and can improve the battery 100 energy density.
  • the positive electrode adapter sheet 20 further includes a first connecting portion 22 , the first connecting portion 22 is attached to the side wall of the battery body 10 , and the first connecting portion 22 is connected to the first input end 21 and the The first output terminal 23 .
  • the first input end 21 is located at the first end of the first connection part 22 .
  • the first connection part 22 can not only connect the first input end 21 and the first output end 23 , but also increase the contact area between the positive electrode adapter 20 and the battery body 10 , so that the installation of the positive electrode adapter 20 on the battery body 10 is stable. Sex is better.
  • the end of the first output end 23 extends away from the battery body 10 .
  • the root of the first output end 23 is located in the middle of the first connection part 22 , or, as shown in FIG. 3 , the root of the first output end 23 is located at the second end of the first connection part 22 .
  • the first end and the second end are oppositely arranged. It should be noted that the first end and the second end are opposite ends of the first connecting portion 22 , the first end close to the first input end 21 is the first end, and the second end close to the first output end 23 is the second end.
  • the arrangement is such that the position of the first output end 23 on the first connection part 22 can be adjusted according to the position of the pin on the terminal device, thereby improving the applicability of the positive electrode adapter plate 20 .
  • the second input end 31 of the negative electrode adapter 30 has an abutting surface and a mounting surface oppositely arranged, the abutting surface is in contact with the side wall of the battery body 10 , and the root of the second output end 32 is located at the mounting surface. On the surface, the end of the second output end 32 extends in a direction away from the mounting surface. In this way, the negative electrode adapter 30 can be attached to the side wall of the battery body 10 without compressing the height space of the battery body 10 .
  • the battery 100 may include a positioning piece 50 , and the positioning piece 50 may be disposed on the side wall of the battery body 10 .
  • the positioning sheet 50 includes a positioning portion 51 and a mounting portion 52.
  • the mounting portion 52 is attached to the side wall of the battery body 10.
  • the root of the positioning portion 51 is located on the side of the mounting portion 52 away from the battery body 10.
  • the end of the positioning portion 51 It extends in a direction away from the mounting portion 52 .
  • the positioning portion 51 may be provided with a buckle (not shown), and the buckle is used to be clamped in a card slot of the terminal device. In this way, on the one hand, it is convenient to position and install the battery 100 on the terminal device.
  • the battery 100 can be firmly fixed on the terminal device to ensure the assembly stability of the battery 100.
  • the positioning piece 50 is located on the side wall of the battery body 10. , which avoids occupying the height space of the battery 100 , can maximize the height of the battery body 10 , make the overall structure of the battery 100 more compact, and improve the energy density of the battery 100 .
  • the negative electrode 12 of the battery body 10 may be located at the bottom of the battery body 10
  • the second input end 31 of the negative electrode adapter 30 is located at the bottom of the battery body 10 and abuts against the negative electrode 12
  • the negative electrode adapter 30 includes a second connecting portion 33 , which is attached to the side wall of the battery body 10 , and is connected to the second input end 31 and the second output end 32 .
  • the second input end 31 is located at the third end of the second connection portion 33 .
  • the end of the second output end 32 extends away from the battery body 10 , as shown in FIG. 7 , the root of the second output end 32 is located at the fourth end of the second connection part 33 , or, as shown in FIG.
  • the first The roots of the two output ends 32 are located in the middle of the second connecting portion 33 .
  • the third end and the fourth end are arranged opposite to each other. It should be noted that the third end refers to the end of the second connection part 33 close to the second input end 31 , and the fourth end refers to the end of the second connection part 33 close to the second output end 32 .
  • the above two setting methods enable the second output end 32 to be adjusted according to the pin position of the terminal device, thereby improving the applicability of the negative electrode adapter plate 30 .
  • the contact parts of the positive electrode adapter piece 20 , the negative electrode adapter piece 30 and the positioning piece 50 and the side wall of the battery body 10 can all be set to be arc-shaped to match the shape of the battery body 10 , so that not only the contact is reliable , it can also maximize the space utilization rate after the battery 100 is assembled, and improve the energy density of the battery body 10.
  • the positive electrode adapter piece 20, the negative electrode adapter piece 30 and the positioning piece 50 can all be laser welded to the battery body 10. connect.
  • the second embodiment provides a terminal device.
  • the terminal device includes an installation slot and the above-mentioned battery 100.
  • the battery 100 is arranged in the installation slot, and a card slot is arranged in the installation slot. It is connected with the buckle of the battery 100 .
  • the terminal device may be an electronic device with a battery 100, such as a Bluetooth headset, VR glasses, a Bluetooth speaker, a sports watch, and the like.
  • the positive electrode 11 and the negative electrode 12 of the battery body 10 can be easily connected to the pins of the terminal device.
  • the output ends of the sheet 20 and the negative adapter sheet 30 are both arranged on the side wall of the battery body 10 , which avoids to the greatest extent the positive adapter sheet 20 and the negative electrode adapter sheet 30 occupying the height space of the battery 100 and increases the battery body 10 .
  • the height of the battery 100 makes the structure of the battery 100 more compact, the energy density of the battery 100 is improved, and the battery life of the terminal device is improved.

Landscapes

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

Abstract

L'invention concerne une batterie (100) et un dispositif de borne, qui se rapportent au domaine technique des batteries, et visent à résoudre le problème technique de la densité d'énergie d'une pile bouton qui est faible en raison de la structure d'une pile bouton existante qui n'est pas compacte. La batterie (100) est utilisée pour être montée sur un dispositif terminal, et comprend : un corps de batterie (10), une feuille d'adaptateur d'électrode positive (20) et une feuille d'adaptateur d'électrode négative (30), une première extrémité d'entrée (21) de la feuille d'adaptateur d'électrode positive (20) étant électriquement connectée à une électrode positive (11) du corps de batterie (10), et une seconde extrémité d'entrée (31) de la feuille d'adaptateur d'électrode négative (30) est électriquement connectée à une électrode négative (12) du corps de batterie (10) ; et une première extrémité de sortie (23) de la feuille d'adaptateur d'électrode positive (20) et une seconde extrémité de sortie (32) de la feuille d'adaptateur d'électrode négative (30) sont toutes deux situées sur une paroi latérale du corps de batterie (10). Il est possible d'empêcher la feuille d'adaptateur positive (20) et la feuille d'adaptateur d'électrode négative (30) d'occuper l'espace de hauteur de la batterie (100), de telle sorte que la structure de la batterie (100) est plus compacte, ce qui permet d'augmenter la densité d'énergie de la batterie (100), et d'améliorer la capacité d'endurance de la batterie (100) et du dispositif terminal.
PCT/CN2022/082555 2021-03-30 2022-03-23 Batterie et dispositif terminal WO2022206518A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202120646270.5U CN214411333U (zh) 2021-03-30 2021-03-30 电池和终端设备
CN202120646270.5 2021-03-30

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Publication Number Publication Date
WO2022206518A1 true WO2022206518A1 (fr) 2022-10-06

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Application Number Title Priority Date Filing Date
PCT/CN2022/082555 WO2022206518A1 (fr) 2021-03-30 2022-03-23 Batterie et dispositif terminal

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WO (1) WO2022206518A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN214411333U (zh) * 2021-03-30 2021-10-15 珠海冠宇电池股份有限公司 电池和终端设备

Citations (6)

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Publication number Priority date Publication date Assignee Title
US20110223454A1 (en) * 2010-03-15 2011-09-15 Kazuaki Urano Prismatic cell and production method for the same
CN202930444U (zh) * 2012-10-29 2013-05-08 比亚迪股份有限公司 一种方形电池
CN108682568A (zh) * 2018-05-11 2018-10-19 江西中汽瑞华新能源科技有限公司 一种大容量超级电容及其制备方法
CN208208832U (zh) * 2018-06-01 2018-12-07 力源电池科技（深圳）有限公司 可充电式纽扣电池
CN211062594U (zh) * 2019-10-18 2020-07-21 辽宁博艾格电子科技有限公司 全密封纽扣型超级电容器
CN214411333U (zh) * 2021-03-30 2021-10-15 珠海冠宇电池股份有限公司 电池和终端设备

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20110223454A1 (en) * 2010-03-15 2011-09-15 Kazuaki Urano Prismatic cell and production method for the same
CN202930444U (zh) * 2012-10-29 2013-05-08 比亚迪股份有限公司 一种方形电池
CN108682568A (zh) * 2018-05-11 2018-10-19 江西中汽瑞华新能源科技有限公司 一种大容量超级电容及其制备方法
CN208208832U (zh) * 2018-06-01 2018-12-07 力源电池科技（深圳）有限公司 可充电式纽扣电池
CN211062594U (zh) * 2019-10-18 2020-07-21 辽宁博艾格电子科技有限公司 全密封纽扣型超级电容器
CN214411333U (zh) * 2021-03-30 2021-10-15 珠海冠宇电池股份有限公司 电池和终端设备

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