KR20220141122A - Battery including protection tape and electronic device including the same - Google Patents

Abstract

According to various embodiments of the present disclosure, an electronic device includes a processor and a battery for supplying power to the processor, wherein the battery includes: an electrode assembly including a first surface and a second surface opposite to the first surface; an electrode tab of which at least a part protrudes outside the electrode assembly and which includes a protruding area connected to the electrode assembly; and a protective tape which is extended from the first surface to the second surface and of which at least a part is disposed on the protruding area.

Description

BATTERY INCLUDING PROTECTION TAPE AND ELECTRONIC DEVICE INCLUDING THE SAME

Various embodiments of the present disclosure relate to a battery including a protective tape and an electronic device including the same.

Due to the development of information and communication technology and semiconductor technology, the distribution and use of various electronic devices are rapidly increasing. In particular, recent electronic devices are being developed to be portable and to be able to communicate. In addition, electronic devices may output stored information as sound or image. As the degree of integration of electronic devices increases and high-speed and large-capacity wireless communication becomes common, various functions may be mounted in one electronic device such as a mobile communication terminal in recent years. For example, not only communication functions, but also entertainment functions such as games, multimedia functions such as music/video playback, communication and security functions for mobile banking, schedule management, and electronic wallet functions are being integrated into one electronic device. . Such electronic devices are being miniaturized so that users can conveniently carry them.

As the use of electronic devices becomes daily, user demands for portability and usability of electronic devices may increase. According to such a user's demand, for example, a secondary battery capable of being charged and discharged by a power source of an electronic device or the like is utilized.

A lithium ion battery used as a secondary battery is composed of a combination of an electrode assembly including a positive electrode, a negative electrode, and a separator, the positive electrode and the negative electrode are coated on an electrode substrate and the electrode substrate, and may include a mixture including an active material. A lithium ion battery converts chemical energy into electrical energy by using a redox reaction between a positive electrode and a negative electrode, and can transmit electrical energy using a positive electrode tab connected to the positive electrode and a negative electrode tab connected to the negative electrode. However, when the positive electrode tab of the battery contacts the negative electrode or the negative electrode tab of the battery contacts the positive electrode, a short circuit of the battery may occur.

According to various embodiments of the present disclosure, a protective tape is disposed on the outer surface of the electrode assembly and the protruding region of the electrode tab, thereby reducing or preventing short circuit of the battery and reducing or preventing deformation of the electrode assembly. A battery may be provided.

However, the problems to be solved in the present disclosure are not limited to the above-mentioned problems, and may be variously expanded without departing from the spirit and scope of the present disclosure.

According to various embodiments of the present disclosure, an electronic device includes a processor and a battery for supplying power to the processor, wherein the battery includes a first surface and a second surface opposite to the first surface An electrode assembly, an electrode tab at least a portion of which protrudes to the outside of the electrode assembly and includes a protruding region connected to the electrode assembly, and a protective tape extending from the first surface to the second surface, wherein at least a portion of the protrusion is provided. a protective tape disposed over the area.

According to various embodiments of the present disclosure, the battery includes an electrode assembly including a first surface and a second surface opposite to the first surface, at least a portion of which protrudes to the outside of the electrode assembly, and is connected to the electrode assembly The electrode tab may include a protruding area and a protective tape extending from the first surface to the second surface, at least a portion of which is disposed on the protruding area.

A battery according to various embodiments of the present disclosure may include a protective tape disposed on the protruding region of the electrode tab. The protective tape may prevent contact between the positive electrode tab and the negative electrode substrate and the negative electrode tab and the positive electrode substrate. Accordingly, the short circuit of the battery can be prevented or reduced, and the stability of the battery can be increased.

A battery according to various embodiments of the present disclosure may include a plurality of protective tapes disposed on an outer surface of the electrode assembly. Deformation of the electrode assembly may be reduced or prevented by the plurality of protective tapes.

In addition, various effects directly or indirectly identified through this document may be provided.

1 is a block diagram of an electronic device in a network environment, according to various embodiments of the present disclosure;
2 is a front perspective view of an electronic device, according to various embodiments of the present disclosure;
3 is a rear perspective view of an electronic device, according to various embodiments of the present disclosure;
4 is an exploded perspective view of an electronic device according to various embodiments of the present disclosure;
5 is a perspective view of a battery, in accordance with various embodiments of the present disclosure;
6 is a front view of a battery, in accordance with various embodiments of the present disclosure;
7 is a top view of a battery, according to various embodiments of the present disclosure;
8 is a schematic diagram of an electrode assembly, according to various embodiments of the present disclosure;
9 is a cross-sectional view of a battery, according to an embodiment of the present disclosure;
10A is a cross-sectional view of a battery, according to another embodiment of the present disclosure; FIG. 10B is an enlarged view of area A of FIG. 10A .
11A is a schematic diagram of a battery in an expanded state, according to the prior art, and FIG. 11B is a schematic diagram of a battery in an expanded state, according to various embodiments of the present disclosure.

1 is a block diagram of an electronic device in a network environment, according to various embodiments of the present disclosure;

Referring to FIG. 1 , in a network environment 100 , the electronic device 101 communicates with the electronic device 102 through a first network 198 (eg, a short-range wireless communication network) or a second network 199 . It may communicate with the electronic device 104 or the server 108 through (eg, a long-distance wireless communication network). According to an embodiment, the electronic device 101 may communicate with the electronic device 104 through the server 108 . According to an embodiment, the electronic device 101 includes a processor 120 , a memory 130 , an input module 150 , a sound output module 155 , a display module 160 , an audio module 170 , and a sensor module ( 176), interface 177, connection terminal 178, haptic module 179, camera module 180, power management module 188, battery 189, communication module 190, subscriber identification module 196 , or an antenna module 197 . In some embodiments, at least one of these components (eg, the connection terminal 178 ) may be omitted or one or more other components may be added to the electronic device 101 . In some embodiments, some of these components (eg, sensor module 176 , camera module 180 , or antenna module 197 ) are integrated into one component (eg, display module 160 ). can be The processor 120, for example, executes software (eg, the program 140) to execute at least one other component (eg, a hardware or software component) of the electronic device 101 connected to the processor 120 . It can control and perform various data processing or operations. According to one embodiment, as at least part of data processing or operation, the processor 120 converts commands or data received from other components (eg, the sensor module 176 or the communication module 190 ) to the volatile memory 132 . may be stored in , process commands or data stored in the volatile memory 132 , and store the result data in the non-volatile memory 134 . According to an embodiment, the processor 120 is the main processor 121 (eg, a central processing unit or an application processor), or a secondary processor 123 (eg, a graphic processing unit, a neural network processing unit) that can be operated independently or together with the main processor 121 . (NPU: neural processing unit), image signal processor, sensor hub processor, or communication processor). For example, when the electronic device 101 includes the main processor 121 and the sub-processor 123 , the sub-processor 123 uses less power than the main processor 121 or is set to be specialized for a specified function. can be The auxiliary processor 123 may be implemented separately from or as a part of the main processor 121 .

The secondary processor 123 may, for example, act on behalf of the main processor 121 while the main processor 121 is in an inactive (eg, sleep) state, or when the main processor 121 is active (eg, executing an application). ), together with the main processor 121, at least one of the components of the electronic device 101 (eg, the display module 160, the sensor module 176, or the communication module 190) It is possible to control at least some of the related functions or states. According to an embodiment, the coprocessor 123 (eg, an image signal processor or a communication processor) may be implemented as part of another functionally related component (eg, the camera module 180 or the communication module 190). have. According to an embodiment, the auxiliary processor 123 (eg, a neural network processing device) may include a hardware structure specialized for processing an artificial intelligence model. Artificial intelligence models can be created through machine learning. Such learning may be performed, for example, in the electronic device 101 itself on which artificial intelligence is performed, or may be performed through a separate server (eg, the server 108). The learning algorithm may include, for example, supervised learning, unsupervised learning, semi-supervised learning, or reinforcement learning, but in the above example not limited The artificial intelligence model may include a plurality of artificial neural network layers. Artificial neural networks include deep neural networks (DNNs), convolutional neural networks (CNNs), recurrent neural networks (RNNs), restricted boltzmann machines (RBMs), deep belief networks (DBNs), bidirectional recurrent deep neural networks (BRDNNs), It may be one of deep Q-networks or a combination of two or more of the above, but is not limited to the above example. The artificial intelligence model may include, in addition to, or alternatively, a software structure in addition to the hardware structure.

The memory 130 may store various data used by at least one component (eg, the processor 120 or the sensor module 176 ) of the electronic device 101 . The data may include, for example, input data or output data for software (eg, the program 140 ) and instructions related thereto. The memory 130 may include a volatile memory 132 or a non-volatile memory 134 .

The program 140 may be stored as software in the memory 130 , and may include, for example, an operating system 142 , middleware 144 , or an application 146 .

The input module 150 may receive a command or data to be used by a component (eg, the processor 120 ) of the electronic device 101 from the outside (eg, a user) of the electronic device 101 . The input module 150 may include, for example, a microphone, a mouse, a keyboard, a key (eg, a button), or a digital pen (eg, a stylus pen).

The sound output module 155 may output a sound signal to the outside of the electronic device 101 . The sound output module 155 may include, for example, a speaker or a receiver. The speaker can be used for general purposes such as multimedia playback or recording playback. The receiver can be used to receive incoming calls. According to one embodiment, the receiver may be implemented separately from or as part of the speaker.

The display module 160 may visually provide information to the outside (eg, a user) of the electronic device 101 . The display module 160 may include, for example, a control circuit for controlling a display, a hologram device, or a projector and a corresponding device. According to an embodiment, the display module 160 may include a touch sensor configured to sense a touch or a pressure sensor configured to measure the intensity of a force generated by the touch.

The audio module 170 may convert a sound into an electric signal or, conversely, convert an electric signal into a sound. According to an embodiment, the audio module 170 acquires a sound through the input module 150 or an external electronic device (eg, a sound output module 155 ) directly or wirelessly connected to the electronic device 101 . The electronic device 102) (eg, a speaker or headphones) may output a sound.

The sensor module 176 detects an operating state (eg, power or temperature) of the electronic device 101 or an external environmental state (eg, a user state), and generates an electrical signal or data value corresponding to the sensed state. can do. According to an embodiment, the sensor module 176 may include, for example, a gesture sensor, a gyro sensor, a barometric pressure sensor, a magnetic sensor, an acceleration sensor, a grip sensor, a proximity sensor, a color sensor, an IR (infrared) sensor, a biometric sensor, It may include a temperature sensor, a humidity sensor, or an illuminance sensor.

The interface 177 may support one or more specified protocols that may be used by the electronic device 101 to directly or wirelessly connect with an external electronic device (eg, the electronic device 102 ). According to an embodiment, the interface 177 may include, for example, a high definition multimedia interface (HDMI), a universal serial bus (USB) interface, an SD card interface, or an audio interface.

The connection terminal 178 may include a connector through which the electronic device 101 can be physically connected to an external electronic device (eg, the electronic device 102 ). According to an embodiment, the connection terminal 178 may include, for example, an HDMI connector, a USB connector, an SD card connector, or an audio connector (eg, a headphone connector).

The haptic module 179 may convert an electrical signal into a mechanical stimulus (eg, vibration or movement) or an electrical stimulus that the user can perceive through tactile or kinesthetic sense. According to an embodiment, the haptic module 179 may include, for example, a motor, a piezoelectric element, or an electrical stimulation device.

The camera module 180 may capture still images and moving images. According to an embodiment, the camera module 180 may include one or more lenses, image sensors, image signal processors, or flashes.

The power management module 188 may manage power supplied to the electronic device 101 . According to an embodiment, the power management module 188 may be implemented as, for example, at least a part of a power management integrated circuit (PMIC).

The battery 189 may supply power to at least one component of the electronic device 101 . According to one embodiment, battery 189 may include, for example, a non-rechargeable primary cell, a rechargeable secondary cell, or a fuel cell.

The communication module 190 is a direct (eg, wired) communication channel or a wireless communication channel between the electronic device 101 and an external electronic device (eg, the electronic device 102, the electronic device 104, or the server 108). It can support establishment and communication performance through the established communication channel. The communication module 190 may include one or more communication processors that operate independently of the processor 120 (eg, an application processor) and support direct (eg, wired) communication or wireless communication. According to one embodiment, the communication module 190 is a wireless communication module 192 (eg, a cellular communication module, a short-range wireless communication module, or a global navigation satellite system (GNSS) communication module) or a wired communication module 194 (eg, : It may include a local area network (LAN) communication module, or a power line communication module). A corresponding communication module among these communication modules is a first network 198 (eg, a short-range communication network such as Bluetooth, wireless fidelity (WiFi) direct, or infrared data association (IrDA)) or a second network 199 (eg, legacy It may communicate with an external electronic device through a cellular network, a 5G network, a next-generation communication network, the Internet, or a telecommunication network such as a computer network (eg, LAN or WAN). These various types of communication modules may be integrated into one component (eg, a single chip) or may be implemented as a plurality of components (eg, multiple chips) separate from each other. The wireless communication module 192 uses subscriber information (eg, International Mobile Subscriber Identifier (IMSI)) stored in the subscriber identification module 196 within a communication network such as the first network 198 or the second network 199 . The electronic device 101 may be identified or authenticated.

The wireless communication module 192 may support a 5G network after a 4G network and a next-generation communication technology, for example, a new radio access technology (NR). NR access technology includes high-speed transmission of high-capacity data (eMBB (enhanced mobile broadband)), minimization of terminal power and access to multiple terminals (mMTC (massive machine type communications)), or high reliability and low latency (URLLC (ultra-reliable and low-latency) -latency communications)). The wireless communication module 192 may support a high frequency band (eg, mmWave band) to achieve a high data rate, for example. The wireless communication module 192 uses various techniques for securing performance in a high-frequency band, for example, beamforming, massive multiple-input and multiple-output (MIMO), all-dimensional multiplexing. It may support technologies such as full dimensional MIMO (FD-MIMO), an array antenna, analog beam-forming, or a large scale antenna. The wireless communication module 192 may support various requirements defined in the electronic device 101 , an external electronic device (eg, the electronic device 104 ), or a network system (eg, the second network 199 ). According to an embodiment, the wireless communication module 192 may include a peak data rate (eg, 20 Gbps or more) for realizing eMBB, loss coverage (eg, 164 dB or less) for realizing mMTC, or U-plane latency for realizing URLLC ( Example: Downlink (DL) and uplink (UL) each 0.5 ms or less, or round trip 1 ms or less) can be supported.

The antenna module 197 may transmit or receive a signal or power to the outside (eg, an external electronic device). According to an embodiment, the antenna module may include an antenna including a conductor formed on a substrate (eg, a PCB) or a radiator formed of a conductive pattern. According to an embodiment, the antenna module 197 may include a plurality of antennas (eg, an array antenna). In this case, at least one antenna suitable for a communication method used in a communication network such as the first network 198 or the second network 199 is connected from the plurality of antennas by, for example, the communication module 190 . can be selected. A signal or power may be transmitted or received between the communication module 190 and an external electronic device through the selected at least one antenna. According to some embodiments, other components (eg, a radio frequency integrated circuit (RFIC)) other than the radiator may be additionally formed as a part of the antenna module 197 .

According to various embodiments, the antenna module 197 may form a mmWave antenna module. According to one embodiment, the mmWave antenna module comprises a printed circuit board, an RFIC disposed on or adjacent to a first side (eg, bottom side) of the printed circuit board and capable of supporting a designated high frequency band (eg, mmWave band); and a plurality of antennas (eg, an array antenna) disposed on or adjacent to a second side (eg, top or side) of the printed circuit board and capable of transmitting or receiving signals of the designated high frequency band. can do.

At least some of the components are connected to each other through a communication method between peripheral devices (eg, a bus, general purpose input and output (GPIO), serial peripheral interface (SPI), or mobile industry processor interface (MIPI)) and a signal ( e.g. commands or data) can be exchanged with each other.

According to an embodiment, the command or data may be transmitted or received between the electronic device 101 and the external electronic device 104 through the server 108 connected to the second network 199 . Each of the external electronic devices 102 or 104 may be the same as or different from the electronic device 101 . According to an embodiment, all or part of the operations executed in the electronic device 101 may be executed in one or more of the external electronic devices 102 , 104 , or 108 . For example, when the electronic device 101 needs to perform a function or service automatically or in response to a request from a user or other device, the electronic device 101 may perform the function or service itself instead of executing the function or service itself. Alternatively or additionally, one or more external electronic devices may be requested to perform at least a part of the function or the service. One or more external electronic devices that have received the request may execute at least a part of the requested function or service, or an additional function or service related to the request, and transmit a result of the execution to the electronic device 101 . The electronic device 101 may process the result as it is or additionally and provide it as at least a part of a response to the request. For this purpose, for example, cloud computing, distributed computing, mobile edge computing (MEC), or client-server computing technology may be used. The electronic device 101 may provide an ultra-low latency service using, for example, distributed computing or mobile edge computing. In another embodiment, the external electronic device 104 may include an Internet of things (IoT) device. The server 108 may be an intelligent server using machine learning and/or neural networks. According to an embodiment, the external electronic device 104 or the server 108 may be included in the second network 199 . The electronic device 101 may be applied to an intelligent service (eg, smart home, smart city, smart car, or health care) based on 5G communication technology and IoT-related technology.

The electronic device according to various embodiments disclosed in this document may have various types of devices. The electronic device may include, for example, a portable communication device (eg, a smart phone), a computer device, a portable multimedia device, a portable medical device, a camera, a wearable device, or a home appliance device. The electronic device according to the embodiment of the present document is not limited to the above-described devices.

The various embodiments of this document and terms used therein are not intended to limit the technical features described in this document to specific embodiments, but it should be understood to include various modifications, equivalents, or substitutions of the embodiments. In connection with the description of the drawings, like reference numerals may be used for similar or related components. The singular form of the noun corresponding to the item may include one or more of the item, unless the relevant context clearly dictates otherwise. As used herein, "A or B", "at least one of A and B", "at least one of A or B", "A, B or C", "at least one of A, B and C", and "A , B, or C," each of which may include any one of the items listed together in the corresponding one of the phrases, or all possible combinations thereof. Terms such as "first", "second", or "first" or "second" may simply be used to distinguish an element from other elements in question, and may refer elements to other aspects (e.g., importance or order) is not limited. It is said that one (eg, first) component is “coupled” or “connected” to another (eg, second) component, with or without the terms “functionally” or “communicatively”. When referenced, it means that one component can be connected to the other component directly (eg by wire), wirelessly, or through a third component.

The term “module” used in various embodiments of this document may include a unit implemented in hardware, software, or firmware, and is interchangeable with terms such as, for example, logic, logic block, component, or circuit. can be used as A module may be an integrally formed part or a minimum unit or a part of the part that performs one or more functions. For example, according to an embodiment, the module may be implemented in the form of an application-specific integrated circuit (ASIC).

According to various embodiments, each component (eg, a module or a program) of the above-described components may include a singular or a plurality of entities, and some of the plurality of entities may be separately disposed in other components. have. According to various embodiments, one or more components or operations among the above-described corresponding components may be omitted, or one or more other components or operations may be added. Alternatively or additionally, a plurality of components (eg, a module or a program) may be integrated into one component. In this case, the integrated component may perform one or more functions of each component of the plurality of components identically or similarly to those performed by the corresponding component among the plurality of components prior to the integration. . According to various embodiments, operations performed by a module, program, or other component are executed sequentially, in parallel, repeatedly, or heuristically, or one or more of the operations are executed in a different order, or omitted. , or one or more other operations may be added.

2 is a front perspective view of an electronic device, according to various embodiments of the present disclosure; 3 is a rear perspective view of an electronic device, according to various embodiments of the present disclosure;

2 and 3 , the electronic device 200 according to an embodiment has a front surface 210A, a rear surface 210B, and a side surface 210C surrounding a space between the front surface 210A and the rear surface 210B. ) may include a housing 210 including a. In another embodiment (not shown), the housing 210 may refer to a structure that forms part of the front surface 210A of FIG. 2 , the rear surface 210B of FIG. 3 , and the side surfaces 210C. According to one embodiment, at least a portion of the front surface 210A may be formed by a substantially transparent front plate 202 (eg, a glass plate including various coating layers, or a polymer plate). The rear surface 210B may be formed by the rear plate 211 . The back plate 211 may be formed of, for example, glass, ceramic, polymer, metal (eg, aluminum, stainless steel (STS), or magnesium), or a combination of at least two of the above materials. The side surface 210C is coupled to the front plate 202 and the rear plate 211 and may be formed by a side bezel structure (or "side member") 218 including a metal and/or a polymer. In some embodiments, the back plate 211 and the side bezel structure 218 are integrally formed and may include the same material (eg, glass, a metallic material such as aluminum, or ceramic). According to another embodiment, the front surface 210A and/or the front plate 202 may comprise a part of the display 220 .

According to an embodiment, the electronic device 200 includes the display 220 , the audio modules 203 , 207 , and 214 (eg, the audio module 170 of FIG. 1 ), and a sensor module (eg, the sensor module of FIG. 1 ). 176 ), camera modules 205 and 206 (eg, camera module 180 of FIG. 1 ), key input device 217 (eg, input module 150 of FIG. 1 ), and connector holes 208 , 209) (eg, the connection terminal 178 of FIG. 1 ). In some embodiments, the electronic device 200 may omit at least one of the components (eg, the connector hole 209 ) or additionally include other components. According to one embodiment, the display 220 may be visually exposed through, for example, a substantial portion of the front plate 202 .

According to an embodiment, the surface (or the front plate 202 ) of the housing 210 may include a screen display area formed as the display 220 is visually exposed. For example, the screen display area may include a front surface 210A.

In another embodiment (not shown), the electronic device 200 includes a recess or an opening formed in a part of the screen display area (eg, the front surface 210A) of the display 220, and the recess or It may include at least one of an audio module 214 aligned with the opening, a sensor module (not shown), a light emitting device (not shown), and a camera module 205 . In another embodiment (not shown), an audio module 214 , a sensor module (not shown), a camera module 205 , a fingerprint sensor (not shown), and a light emitting element on the rear surface of the screen display area of the display 220 . (not shown) may include at least one or more of.

In another embodiment (not shown), the display 220 is coupled to or adjacent to a touch sensing circuit, a pressure sensor capable of measuring the intensity (pressure) of a touch, and/or a digitizer that detects a magnetic field type stylus pen. can be placed.

In some embodiments, at least a portion of the key input device 217 may be disposed on the side bezel structure 218 .

According to an embodiment, the audio modules 203 , 207 , and 214 may include, for example, a microphone hole 203 and speaker holes 207 and 214 . In the microphone hole 203, a microphone for acquiring an external sound may be disposed therein, and in some embodiments, a plurality of microphones may be disposed to detect the direction of the sound. The speaker holes 207 and 214 may include an external speaker hole 207 and a receiver hole 214 for a call. In some embodiments, the speaker holes 207 and 214 and the microphone hole 203 may be implemented as a single hole, or a speaker may be included without the speaker holes 207 and 214 (eg, a piezo speaker).

According to an embodiment, the sensor module (not shown) may generate, for example, an electrical signal or data value corresponding to an internal operating state of the electronic device 200 or an external environmental state. The sensor module (not shown) includes, for example, a first sensor module (not shown) (eg, proximity sensor) and/or a second sensor module (not shown) disposed on the front surface 210A of the housing 210 ( e.g. fingerprint sensor). A sensor module (not shown) includes a third sensor module (not shown) (eg, HRM sensor) and/or a fourth sensor module (not shown) (eg, fingerprint sensor) disposed on the rear surface 210B of the housing 210 . ) may be included. In some embodiments (not shown), the fingerprint sensor may be disposed on the back 210B as well as the front 210A (eg, the display 220 ) of the housing 210 . The electronic device 200 may include a sensor module not shown, for example, a gesture sensor, a gyro sensor, a barometric pressure sensor, a magnetic sensor, an acceleration sensor, a grip sensor, a color sensor, an IR (infrared) sensor, a biometric sensor, a temperature sensor, It may further include at least one of a humidity sensor and an illuminance sensor (not shown).

According to an embodiment, the camera modules 205 and 206 are, for example, a front camera module 205 disposed on the front side 210A of the electronic device 200 , and a rear camera module disposed on the back side 210B of the electronic device 200 . 206 , and/or a flash 204 . The camera module 205, 206 may include one or more lenses, an image sensor, and/or an image signal processor. Flash 204 may include, for example, a light emitting diode or a xenon lamp. In some embodiments, two or more lenses (infrared cameras, wide angle and telephoto lenses) and image sensors may be disposed on one side of the electronic device 200 .

According to an embodiment, the key input device 217 may be disposed on the side surface 210C of the housing 210 . In another embodiment, the electronic device 200 may not include some or all of the key input devices 217 mentioned above and the not included key input devices 217 may be displayed on the display 220 , such as soft keys. It may be implemented in other forms.

According to an exemplary embodiment, a light emitting device (not shown) may be disposed, for example, on the front surface 210A of the housing 210 . The light emitting device (not shown) may provide, for example, state information of the electronic device 200 in the form of light. In another embodiment, the light emitting device (not shown) may provide, for example, a light source linked to the operation of the front camera module 205 . The light emitting device (not shown) may include, for example, an LED, an IR LED, and/or a xenon lamp.

According to an embodiment, the connector holes 208 and 209 are, for example, a connector (eg, a USB connector) for transmitting and receiving power and/or data to and from an external electronic device or an audio signal to/from an external electronic device. a first connector hole 208 that may receive a connector (eg, an earphone jack) for It may include a hole 209 . According to an embodiment, the first connector hole 208 and/or the second connector hole 209 may be omitted.

4 is an exploded perspective view of an electronic device according to various embodiments of the present disclosure;

Referring to FIG. 4 , the electronic device 200 (eg, the electronic device 200 of FIGS. 2 to 3 ) includes a front plate 220 (eg, the front plate 202 of FIG. 2 ) and a display 230 . (eg, the display 201 of FIG. 2 ), a first supporting member 232 (eg, a bracket), a printed circuit board 240 , a battery 250 , and a second supporting member 260 (eg, a rear case) , at least one of the antenna 270 and the rear plate 280 (eg, the rear plate 211 of FIG. 3 ). In some embodiments, the electronic device 200 may omit at least one of the components (eg, the first support member 232 or the second support member 260 ) or additionally include other components. . At least one of the components of the electronic device 200 may be the same as or similar to at least one of the components of the electronic device 200 of FIG. 2 or 3 , and overlapping descriptions will be omitted below.

According to an embodiment, the first support member 232 may be disposed inside the electronic device 200 and connected to the side bezel structure 231 or may be integrally formed with the side bezel structure 231 . The first support member 232 may be formed of, for example, a metal material and/or a non-metal (eg, polymer) material. The first support member 232 may have a display 230 coupled to one surface and a printed circuit board 240 coupled to the other surface. The printed circuit board 240 may be equipped with a processor, a memory, and/or an interface. The processor may include, for example, one or more of a central processing unit, an application processor, a graphics processing unit, an image signal processor, a sensor hub processor, or a communication processor. According to an embodiment, the memory may include, for example, a volatile memory or a non-volatile memory. According to an embodiment, the interface may include, for example, a high definition multimedia interface (HDMI), a universal serial bus (USB) interface, an SD card interface, and/or an audio interface. The interface may, for example, electrically or physically connect the electronic device 200 to an external electronic device, and may include a USB connector, an SD card/MMC connector, or an audio connector. According to an embodiment, the battery 250 (eg, the battery 189 in FIG. 1 ) is a device for supplying power to at least one component (eg, the camera module 212 ) of the electronic device 200 . , for example, a non-rechargeable primary cell, or a rechargeable secondary cell, or a fuel cell. At least a portion of the battery 250 may, for example, be disposed on a substantially same plane as the printed circuit board 240 . The battery 250 may be integrally disposed inside the electronic device 200 , or may be disposed detachably from the electronic device 200 .

According to an embodiment, the second support member 260 (eg, a rear case) may be disposed between the printed circuit board 240 and the antenna 270 . For example, the second support member 260 may include one surface to which at least one of the printed circuit board 240 and the battery 250 is coupled, and the other surface to which the antenna 270 is coupled.

According to an embodiment, the antenna 270 may be disposed between the rear plate 280 and the battery 250 . The antenna 270 may include, for example, a near field communication (NFC) antenna, a wireless charging antenna, and/or a magnetic secure transmission (MST) antenna. The antenna 270 may, for example, perform short-range communication with an external device or wirelessly transmit/receive power required for charging. For example, the antenna 270 may include a coil for wireless charging. In another embodiment, an antenna structure may be formed by a part of the side bezel structure 231 and/or the first support member 232 or a combination thereof.

According to various embodiments, the electronic device 200 may include a camera module (eg, the camera module 206 of FIG. 3 ) disposed in a housing (eg, the housing 210 of FIG. 2 ). According to an embodiment, the camera module 206 is disposed on the first support member 232 and is capable of acquiring an image of a subject located in the rear (eg, +Z direction) of the electronic device 200 . It may be a camera module (eg, the camera module 212 of FIG. 3 ). According to an embodiment, at least a portion of the camera module 212 may be exposed to the outside of the electronic device 200 through the opening 282 formed in the rear plate 280 .

The electronic device 200 illustrated in FIGS. 2 to 4 has a bar type or plate type external appearance, but the present invention is not limited thereto. For example, the illustrated electronic device may be a rollable electronic device or a foldable electronic device. The term "rollable electronic device" means that bending deformation of the display (eg, the display 230 of FIG. 4 ) is possible, so that at least a portion is wound or rolled or the housing (eg, of FIG. 2 ) It may refer to an electronic device that can be accommodated in the housing 210 . According to a user's need, the rollable electronic device can be used by expanding the screen display area by unfolding the display or exposing a larger area of the display to the outside. A “foldable electronic device” may refer to an electronic device that can be folded to face two different areas of a display or to face each other or opposite to each other. In general, in a foldable electronic device in a portable state, the display is folded with two different areas facing each other or in opposite directions. can In some embodiments, the electronic device 200 according to various embodiments disclosed herein may include not only a portable electronic device such as a smart phone, but also various other electronic devices such as a notebook computer or a camera.

5 is a perspective view of a battery, in accordance with various embodiments of the present disclosure; 6 is a front view of a battery, in accordance with various embodiments of the present disclosure; 7 is a top view of a battery, according to various embodiments of the present disclosure;

5 to 7 , the battery 300 may include an electrode assembly 310 , an electrode tab 320 , and a protective tape 330 . The configuration of the battery 300 of FIGS. 5 to 7 may be all or partly the same as that of the battery 189 of FIG. 1 or the battery 250 of FIG. 4 .

According to various embodiments, the battery 300 may supply power to at least one component of an electronic device (eg, the electronic device 200 of FIG. 2 ). According to an embodiment, the battery 300 may be a rechargeable secondary battery. According to an embodiment, the battery 300 may be disposed in an electronic device (eg, the electronic device 200 of FIG. 2 ).

According to various embodiments, the electrode assembly 310 may include an anode 311 , a cathode 313 , and a separator 315 . For example, the electrode assembly 310 is at least one unit cell including a positive electrode 311 , a negative electrode 313 , and at least one separator 315 for preventing contact between the positive electrode 311 and the negative electrode 313 . can According to an embodiment, the electrode assembly 310 may be disposed in the accommodation space 341 of the case (eg, the case 340 of FIG. 8 ).

According to an embodiment, the electrode assembly 310 may be formed in a wound roll shape. For example, the electrode assembly 310 may be a jelly roll battery. According to an embodiment, the electrode assembly 310 includes a first surface 310a facing a first direction (eg, a +Z direction) and a second surface 310b facing a second direction (eg, a -Z direction). may include For example, the electrode assembly 310 may include a first surface 310a, a second surface 310b, and a third surface 310c extending from the first surface 310a to the second surface 310b. can The second surface 310b may be opposite to the first surface 310a. According to an embodiment, the first surface 310a , the second surface 310b , and the third surface 310c may be formed by one of the positive electrode 311 , the negative electrode 313 , or the separator 315 .

According to an embodiment (not shown), the electrode assembly 310 may be a stack type battery. For example, the electrode assembly 310 may include a plurality of anodes 311 , a plurality of cathodes 313 , and a plurality of separators 315 that are alternately stacked.

According to various embodiments, the electrode tab 320 may be connected to the electrode assembly 310 . For example, the electrode tab 320 may be coupled to the positive electrode 311 or the negative electrode 313 of the electrode assembly 310 . According to an embodiment, the electrode tab 320 may include a path for transferring the electric power stored in the electrode assembly 310 to the outside of the electrode assembly 310 . According to an embodiment, at least a portion of the electrode tab 320 may protrude to the outside of the electrode assembly 310 to supply power to a component of the electronic device (eg, the electronic device 200 of FIG. 2 ).

According to various embodiments, the electrode tab 320 may include a positive electrode tab 321 electrically connected to the positive electrode 311 and a negative electrode tab 323 electrically connected to the negative electrode 313 . According to one embodiment (eg, FIG. 9 ), the positive electrode tab 321 is connected to the positive electrode substrate of the positive electrode 311 (eg, the positive electrode substrate 311a of FIG. 8 ), and the negative electrode tab 323 is the negative electrode 313 . ) may be connected to the negative electrode substrate (eg, the negative electrode substrate 313a of FIG. 8 ). According to another embodiment (eg, FIG. 10A ), the positive electrode tab 321 is connected to the positive electrode substrate 311a at a plurality of points, and the negative electrode tab 323 is connected to the negative electrode substrate 313a at a plurality of points. can

According to various embodiments, the electrode tab 320 may include protruding regions 325a and 325b exposed to the outside of the electrode assembly 310 . According to an embodiment, the protruding regions 325a and 325b may include a bonding region in which the electrode tab 320 is welded to the electrode assembly 310 and coupled thereto. For example, the positive electrode tab 321 may be connected to the positive electrode 311 using the positive electrode protrusion region 325a, and the negative electrode tab 323 may be connected to the negative electrode 313 using the negative electrode projection region 325b. . For example, the positive electrode protruding region 325a is a portion of the positive electrode tab 321 extending from a junction electrically connected to the positive electrode 311 in the electrode assembly 310 , and the negative protruding region 325b is the electrode assembly. It may be a portion of the negative electrode tab 323 extending from the junction electrically connected to the negative electrode 313 in the interior of the 310 . According to an embodiment, the electrode tab 320 may be located at the center of the electrode assembly 310 .

According to various embodiments, the electrode tab 320 may include electrode tab surfaces 321a , 321b , 323a , 323b parallel to the first surface 310a or the second surface 310b of the electrode assembly 310 . can For example, the electrode tab 320 may have an upper surface 320a (eg, a first positive electrode tab surface 321a) and a second electrode tab 320a facing the same direction as the first surface 310a (eg, a first direction (+Z direction)). 1 negative electrode tab surface 323a) and a lower surface 320b (eg, second positive electrode tab surface 321b) and a second surface 320b facing the same direction (eg, second direction (-Z direction)) as second surface 310b negative electrode tab surface 323b). According to an embodiment, the positive electrode tab 321 includes a first positive electrode tab surface 321a, a second positive electrode tab surface 321b opposite to the first positive electrode tab surface 321a, and the first positive electrode tab surface 321a. ) and a third positive electrode tab surface 321c surrounding at least a portion between the second positive electrode tab surface 321b. The negative electrode tab 323 includes a first negative electrode tab surface 323a, a second negative electrode tab surface 323b opposite to the first negative electrode tab surface 323a, and the first negative electrode tab surface 323a and the second negative electrode A third negative electrode tab surface 323c surrounding at least a portion between the tab surfaces 323b may be included.

According to various embodiments, the protective tape 330 may reduce or prevent a short circuit of the battery 300 . For example, the protective tape 330 may reduce or prevent contact between the positive electrode tab 321 and the negative electrode 313 and/or the negative electrode tab 323 and the positive electrode 311 . According to an embodiment, at least a portion of the protective tape 330 may be disposed on the protruding regions 325a and 325b of the electrode tab 320 . For example, the protective tape 330 may be attached so that the electrode tab 320 surrounds the protruding portion of the electrode assembly 310 .

According to various embodiments, the protective tape 330 may reduce or prevent deformation of the electrode assembly 310 . According to an embodiment, the protective tape 330 may reduce expansion of the electrode assembly 310 when swelling occurs in the electrode assembly 310 . For example, according to an embodiment, the protective tape 330 may be attached to surround at least a portion of the outer surface of the electrode assembly 310 . The protective tape 330 may extend from the first surface 310a through the protruding regions 325a and 325b to the second surface 310b to reduce shape deformation of the electrode assembly 310 . According to an embodiment, the protective tape 330 may cover a portion of the positive electrode 311 , the negative electrode 313 , and the separator 315 . According to an embodiment, the protective tape 330 may include an anti-deformation tape. According to an embodiment, the protective tape 330 may include at least one of polyethylene terephthalate (PET) and polyimide.

According to various embodiments, the protective tape 330 may be disposed on the positive electrode tab 321 and the negative electrode tab 323 . According to an embodiment, the protective tape 330 includes a first protective tape 331 surrounding at least a portion of the positive electrode tab 321 and a second protective tape 333 surrounding at least a portion of the negative electrode tab 323 . may include According to one embodiment, the first protective tape 331 has a first end 331-1 attached on the first surface 310a and a second end portion 331-1 attached on the second electrode assembly surface 310b. 331-2) may be included. According to an embodiment, the first protective tape 331 may include a first cover area 331a disposed on the first positive electrode tab surface 321a and a second cover disposed on the second positive electrode tab surface 321b. It may include a region 331b. According to an embodiment, the second protective tape 333 includes a third end 333-1 attached on the first surface 310a and a fourth end 333-1 attached on the second electrode assembly surface 310b. 333-2) may be included. According to an embodiment, the second protective tape 333 may include a third cover area 333a disposed on the first negative electrode tab surface 323a and a fourth cover disposed on the second negative electrode tab surface 323b. It may include a region 333b. According to an embodiment, the side surfaces of the electrode tab 320 (eg, the third positive electrode tab surface 321c and the third negative electrode tab surface 323c) are not covered by the protective tape 330 , and the electrode assembly 310 is not covered by the protective tape 330 . ) can be exposed to the outside.

According to various embodiments, at least a portion of the protective tape 330 may extend from the electrode assembly surfaces 310a and 310b through the protruding regions 325a and 325b to the electrode tab surfaces 321a, 321b, 323a, and 323b. have. According to one embodiment, the first area 334 of the protective tape 330 extends from the first surface 310a to the upper surface 320a through the protruding areas 325a and 325b, and the first area 334 of the protective tape 330 is The second region 336 may extend from the second surface 310b to the lower surface 320b through the protruding regions 325a and 325b. For example, the first area 334 of the first protective tape 331 extends from the first surface 310a through the positive electrode protruding area 325a to the first positive electrode tab surface 321a, and the first protective tape The second region 336 of 331 may extend from the second surface 310b to the second positive electrode tab surface 321b through the positive electrode protrusion region 325a. A portion of the second protective tape 333 extends from the first surface 310a to the first negative electrode tab surface 323a through the negative electrode protruding region 325b, and the other portion of the second protection tape 333 is the second It may extend from the surface 310b to the second negative electrode tab surface 323b past the negative electrode protrusion region 325b. According to an embodiment, the protective tape 330 extends from the first surface 310a to the second surface 310b of the electrode assembly 310 past the positive electrode 311 , the negative electrode 313 , and the separator 315 . can be According to an embodiment, one electrode tab (eg, the positive electrode tab 321 or the negative electrode tab 323 ) is a portion of one protection tape 330 (eg, the first protection tape 331 or the second protection tape). (333)) can be penetrated. For example, the positive electrode tab 321 may penetrate the first protection tape 331 , and the negative electrode tab 323 may penetrate the second protection tape 333 . According to one embodiment (not shown), a plurality of (eg, two) electrode tabs 320 (eg, positive electrode tab 321 and negative electrode tab 323 ) penetrate a portion of one protective tape 330 . can do. According to an embodiment, each of the first protective tape 331 and the second protective tape 333 may be a single tape. According to an exemplary embodiment (not shown), the first protective tape 331 and/or the second protective tape 333 may include a plurality of tapes. For example, the first area 334 , the second area 336 , the first cover area 331a , and the second cover area 331b of the first protective tape 331 are separate tapes, and the second area Each of the first area 334 , the second area 336 , the third cover area 333a , and the fourth cover area 333b of the protective tape 333 may be a separate tape.

8 is a schematic diagram of an electrode assembly, according to various embodiments of the present disclosure;

Referring to FIG. 8 , the electrode assembly 310 may include an anode 311 , a cathode 313 , and a separator 315 . The configuration of the positive electrode 311 , the negative electrode 313 , and the separator 315 of FIG. 8 is all or part the same as the configuration of the positive electrode 311 , the negative electrode 313 , and the separator 315 of FIGS. 5 and 6 . can do.

According to various embodiments, the positive electrode 311 may include a positive electrode substrate 311a and a positive electrode mixture 311b disposed on the positive electrode substrate 311a. According to an embodiment, the cathode substrate 311a may include aluminum (Al). According to an embodiment, the positive electrode mixture 311b may include lithium (Li) oxide including a transition metal (eg, at least one of cobalt (Co), manganese (Mn), or iron (Fe)). can According to an embodiment, the positive electrode mixture 311b may surround at least a portion of the positive electrode substrate 311a. For example, the positive electrode substrate 311a may be disposed between a pair of positive electrode mixtures 311b.

According to various embodiments, the negative electrode 313 may include a negative electrode substrate 313a and a negative electrode mixture 313b. According to an embodiment, the negative electrode substrate 313a may include nickel (Ni) and/or copper (Cu). According to an embodiment, the negative electrode mixture 313b may include graphite and/or lithium (Li) titanium (Ti) oxide. According to an embodiment, the negative electrode mixture 313b may surround at least a portion of the negative electrode substrate 313a. For example, the negative electrode substrate 313a may be disposed between a pair of positive electrode mixtures 313b.

According to various embodiments, the separator 315 physically separates the positive electrode 311 and the negative electrode 313, and a non-conductive film having pores capable of moving a designated material (eg, lithium (Li) ions). It may be a whole porous body. According to one embodiment, the separator 315 may be a synthetic resin (eg, polyethylene or polypropylene). According to an embodiment, the electrode assembly 310 may include a plurality of separators 315 . For example, some of the plurality of separators 315 may be disposed between the positive electrode 311 and the negative electrode 313 , and another portion may be disposed on the positive electrode 311 or the negative electrode 313 .

9 is a cross-sectional view of a battery, according to an embodiment of the present disclosure; 10A is a cross-sectional view of a battery, according to another embodiment of the present disclosure; FIG. 10B is an enlarged view of area A of FIG. 10A .

9, 10A, and 10B , the battery 300 may include an electrode assembly 310 , an electrode tab 320 , a protective tape 330 , and a case 340 . The configuration of the battery 300 , the electrode assembly 310 , the electrode tab 320 , and the protective tape 330 of FIGS. 9 , 10A and 10B is the battery 300 and the electrode assembly 310 of FIGS. 5 to 7 . ), the electrode tab 320 , and all or part of the configuration of the protective tape 330 may be the same.

According to various embodiments, the case 340 forms the exterior of the battery 300 and may include an accommodating space 341 for accommodating the electrode assembly 310 and an electrolyte (not shown). The electrode assembly 310 may be sealed in the accommodating space 341 of the case 340 together with the electrolyte. According to an embodiment, the case 340 may include a pouch or can structure encapsulating the electrode assembly 320 .

According to an embodiment, the case 340 may include an upper case 340a and a lower case 340b facing the upper case 340a. The accommodation space 341 may include an empty space positioned between the upper case 340a and the lower case 340b.

According to various embodiments, the protective tape 330 may seal the space between the case 340 and the electrode tab 320 . According to an embodiment, a part of the protective tape 330 is disposed between the case 340 and the electrode tab 320 , and the electrolyte is discharged to the outside of the battery 300 and/or foreign substances outside the battery 300 . of the battery 300 may be prevented or reduced. For example, the protective tape 330 may be disposed between the upper case 340a and the upper surface of the electrode tab 320 (eg, the first positive electrode tab surface 321a and/or the first negative electrode tab surface 323a of FIG. 5 ). The upper cover region 335 disposed on the lower case 340a and the lower surface of the electrode tab 320 (eg, the second positive electrode tab surface 321b and/or the second negative electrode tab surface 323b of FIG. 5 )) It may include a lower cover region 337 disposed therebetween. According to an embodiment, at least a portion of the protective tape 330 may include a sealant. According to an embodiment, the protective tape 330 may be a double-sided tape. For example, the protective tape 330 may include a plurality of adhesive layers facing different directions. According to an embodiment, at least a portion of the protective tape 330 seals the space between the case 340 and the electrode tab 320 , thereby sealing the space between the electrode assembly 310 and the electrode tab 320 . Since a separate sealant (not shown) is excluded from the battery 300 , the production cost of the battery 300 can be reduced.

According to various embodiments, the electrode tab 320 may include a connection region 327 exposed to the outside of the electrode assembly 310 and/or the case 340 . Power of the electrode assembly 310 may pass through the connection region 327 of the electrode tab 320 to be transmitted to the outside of the battery 300 . According to an embodiment, the connection area 327 may include a lead tap for electrically connecting to the outside of the battery 300 .

According to various embodiments, at least a portion of the electrode tab 320 may be bent. As the electrode tab 320 is bent, the electrode tab 320 is connected to the central portion of the electrode assembly 310 on the outer surface of the electrode assembly 310 (eg, the first surface 310a or the second surface 310b). ) can be extended adjacent to As the electrode tab 320 is connected to the center of the electrode assembly 310, the efficiency of the battery 300 is increased, and the electrode tab 320 protrudes from the center of the electrode assembly 310 or at a position spaced apart from the center, The battery 300 may be designed to correspond to an internal structure of an electronic device (eg, the electronic device 200 of FIG. 2 ). According to an embodiment, the electrode tab 320 may include at least one bending region 326 positioned between the protrusion region 325 and the connection region 327 . The bending region 326 may include a bent portion of the electrode tab 320 . According to an embodiment, the protective tape 330 may be disposed on the at least one bending area 326 . The bending region 326 is covered by the protective tape 330 , and the bending region 326 and the positive electrode (eg, the positive electrode 311 in FIG. 5 ) or the negative electrode (eg, the positive electrode 311 in FIG. 5 ) of the electrode assembly 310 by the protective tape 330 . : Contact with the cathode 313 of FIG. 5) can be prevented.

According to various embodiments, the electrode tab 320 may include at least one tab structure.

According to an embodiment (eg, FIG. 9 ), the electrode tab 320 may have a single tab structure. For example, the electrode tab 320 (eg, the positive electrode tab 321 or the negative electrode tab 323 of FIG. 6 ) is connected to the electrode assembly 310 in the bonding region 328 , and the protective tape 330 is the At least a portion of the electrode tab 320 may be surrounded.

According to an embodiment (eg, FIGS. 10A and 10B ), the electrode tab 320 may have a multi-tab structure. For example, the electrode tab 320 (eg, the positive electrode tab 321 or the negative electrode tab 323 of FIG. 6 ) may be coupled to the electrode assembly 310 at a plurality of points. For example, the electrode tab 320 includes a first tab structure 320-1 including a first protruding region 325 - 1 exposed to the outside of the electrode assembly 310 and the first protruding region 325 - At a point spaced apart from 1), a second tab structure 320 - 2 including a second bonding region 325 - 2 exposed to the outside of the electrode assembly 310 may be included. According to an exemplary embodiment, the first tab structure 320-1 and the second tab structure 320-2 may be bonded or connected in the first bonding region 328-1. According to an embodiment, the connection region 327 may be bonded or connected to the first tab structure 320-1 and/or the second tab structure 320-2 and the second bonding region 328-2. According to an embodiment, the first junction region 328 - 1 and/or the second junction region 328 - 2 may be located outside the electrode assembly 310 .

According to various embodiments, the protective tape 330 may prevent or reduce exposure of the protruding areas 325 - 1 and 325 - 2 and/or the bonding areas 328 - 1 and 328 - 2 . For example, the protective tape 330 may include at least a portion of the first bonding area 325 - 1 , at least a portion of the second bonding area 325 - 2 , at least a portion of the first bonding area 328 - 1 or the second bonding area 325 - 1 . 2 may be disposed on at least a portion of the junction region 328 - 3 .

According to various embodiments, the protective tape 330 may be disposed outside the first tab structure 320-1 and the second tab structure 320-2. For example, the first tab structure 320-1 may include a first outer surface 329a facing the case 340 and a first inner surface 329b opposite to the first outer surface 329a. The second tab structure 320 - 2 may include a second inner surface 329c facing the first inner surface 329b and a second outer surface 329d opposite to the second inner surface 329c. The protective tape 330 may be disposed on the first outer surface 329a and the second outer surface 329d. According to an embodiment, the first inner surface 329b and the second inner surface 329c may contact each other in the first bonding region 328 - 1 .

According to various embodiments, the battery 300 may include the junction protection tape 350 . According to an embodiment, the junction protection tape 350 includes a first junction protection tape 350a covering a portion of the first protruding region 325 - 1 and a second junction protection tape 350a covering a portion of the second protruding region 325 - 2 . A bonding part protection tape 350b may be included. According to an embodiment, the bonding part protection tape 350 may be disposed between the first tab structure 320-1 and the second tab structure 320-2. For example, the junction protection tape 350 may be formed of the first junction protection tape 350a and the second tab structure 320 - 2 disposed on the first inner surface 329b of the first tab structure 320-1. A second bonding part protection tape 350b disposed on the second inner surface 329c may be included.

11A is a schematic diagram of a battery in an expanded state, according to the prior art, and FIG. 11B is a schematic diagram of a battery in an expanded state, according to various embodiments of the present disclosure.

Referring to FIG. 11A , the battery 400 includes an electrode assembly 410 , a positive electrode tab 421 , a negative electrode tab 423 , and a protective tape 430 , and referring to FIG. 11B , the battery 300 includes an electrode It may include an assembly 310 , a positive electrode tab 321 , a negative electrode tab 323 , and a protective tape 330 . The configuration of the battery 400 , the electrode assembly 410 , the positive electrode tab 421 , and the negative electrode tab 423 of FIG. 11A is the battery 300 , the electrode assembly 310 , and the positive electrode tab 321 of FIGS. 5 to 7 . ), and all or part of the configuration of the negative electrode tab 323 is the same, and the battery 300, the electrode assembly 310, the positive electrode tab 321, the negative electrode tab 323, and the protective tape 330 of FIG. 11B are the same. The configuration of the battery 300 , the electrode assembly 310 , the positive electrode tab 321 , the negative electrode tab 323 , and the protective tape 330 of FIGS. 5 to 7 may be all or partly the same.

According to various embodiments, the protective tape 330 includes a first protective tape 331 surrounding at least a portion of the positive electrode tab 321 and a second protective tape 333 surrounding at least a portion of the negative electrode tab 323 . may include. According to an embodiment, the first protective tape 331 and the second protective tape 333 are formed in the protruding regions of the electrode tab 320 (eg, the positive protruding region 325a and the negative protruding region 325b in FIG. 5 ). As it passes through, it may surround the side surface of the electrode assembly 410 . According to an embodiment, the first protective tape 331 and the second protective tape 333 may be disposed substantially parallel to each other. For example, the first protective tape 331 and/or the second protective tape 333 may extend from the first surface 310a to the second surface 310b of the electrode assembly 310 .

According to various embodiments, the protective tape 330 may prevent or reduce the expansion of the battery 300 . According to an embodiment, the batteries 300 and 400 may expand in an environment of high temperature (eg, 120° C.). For example, in a high-temperature environment, due to contraction of the separator (eg, the separator 315 in FIG. 5 ) of the electrode assembly 310 and/or gas generation (eg, swelling) due to decomposition of the electrolyte, the battery ( 300, 400) can be inflated. The protective tape 330 may surround the electrode assembly 310 at a plurality of points. The size of the expanded electrode assembly 310 (eg, FIG. 11B ) while surrounded by the plurality of protective tapes 331 and 333 is the same as the expanded electrode assembly 410 surrounded by one protective tape 430 . It may be smaller than the size of (eg, FIG. 11A ).

An electronic device (eg, the electronic device 200 of FIG. 2 ) according to various embodiments of the present disclosure includes a processor (eg, the processor 120 of FIG. 1 ) and a battery (eg, a battery for supplying power to the display) 5), wherein the battery includes a first side (eg, the first side 310a of FIG. 5) and a second side opposite the first side (eg, the second side of FIG. 5). an electrode assembly (eg, the electrode assembly 310 of FIG. 5 ) including two surfaces 310b), at least a portion of which protrudes to the outside of the electrode assembly, and a protruding region connected to the electrode assembly (eg, the anode of FIG. 5 ) An electrode tab (eg, the electrode tab 320 of FIG. 5 ) including a protruding region 325a and a negative protruding region 325b), and a protective tape extending from the first surface to the second surface, at least a portion may include a protective tape (eg, the protective tape 330 of FIG. 5 ) disposed on the protruding area.

According to various embodiments, the first surface faces a first direction (eg, a first direction (+Z direction) of FIG. 5 ), and the second surface faces a second direction (eg, a second direction opposite to the first direction) : facing the second direction (-Z direction) of FIG. 5, and the electrode tab faces the first direction (eg, the first positive electrode tab surface 321a and/or the first negative electrode tab surface ( 323a)) and a lower surface facing the second direction (eg, the second positive electrode tab surface 321b and/or the second negative electrode tab surface 323b of FIG. 5), and a first region 334 of the protective tape. ) may extend from the first surface through the protruding area to the upper surface, and the second area 336 of the protective tape may extend from the second surface through the protruding area to the lower surface.

According to various embodiments, the electrode assembly may include a positive electrode (eg, the positive electrode 311 of FIG. 8 ), a negative electrode (eg, the negative electrode 313 of FIG. 8 ), and a separator disposed between the positive electrode and the negative electrode ( Example: the separator 315 of FIG. 8), wherein the electrode tab includes a positive electrode tab connected to the positive electrode (eg, positive electrode tab 321 in FIG. 5) and a negative electrode tab connected to the negative electrode (eg, in FIG. 8) a negative electrode tab 323).

According to various embodiments, the protection tape may include a first protection tape (eg, the first protection tape 331 of FIG. 5 ) surrounding at least a portion of the positive electrode tab and a second protection tape surrounding at least a portion of the negative electrode tab. 2 protective tapes (eg, the second protective tape 333 of FIG. 5 ) may be included.

According to various embodiments, the battery includes a case (eg, the case 340 of FIG. 9 ) including an accommodating space (eg, the accommodating space 341 of FIG. 9 ) for accommodating the electrode assembly and the electrolyte. may include

According to various embodiments, the case includes an upper case (eg, the upper case 340a of FIG. 9 ) and a lower case (eg, the lower case 340b of FIG. 9 ) facing the upper case, and the The protective tape may include an upper cover region (eg, an upper cover region 335 of FIG. 9 ) disposed between the upper case and an upper surface of the electrode tab (eg, upper surfaces 321a and 323a of FIG. 5 ) and the lower case and a lower cover region (eg, the lower cover region 337 of FIG. 9 ) disposed between the lower surface of the electrode tab (eg, the lower surfaces 321b and 323b of FIG. 5 ).

According to various embodiments, the electrode tab may include a connection region exposed to the outside of the electrode assembly (eg, the connection region 327 of FIG. 9 ) and at least one bending region positioned between the connection region and the protrusion region. (eg, the bending region 326 of FIG. 9 ).

According to various embodiments, the protective tape may be disposed on the at least one bending area.

According to various embodiments, the electrode tab includes a first tab structure (eg, in FIG. 10B ) including a first protrusion region (eg, the first protrusion region 325 - 1 of FIG. 10B ) connected to the electrode assembly. a first tab structure 325 - 1 ), a second protrusion spaced apart from the first protruding region and including a second protruding region connected to the electrode assembly (eg, the second protruding region 325 - 2 of FIG. 10B ). and a tab structure (eg, the second tab structure 325 - 2 of FIG. 10B ), wherein the first tab structure and the second tab structure include a first bonding area (eg, the first bonding area 328 of FIG. 10B ). -1)) can be connected.

According to various embodiments, the protective tape may be disposed on at least a portion of the first protruding area, at least a portion of the second protruding area, and at least a portion of the first bonding area.

According to various embodiments, the first tab structure includes a first outer surface (eg, the first outer surface 329a of FIG. 10B ), and a first inner surface (eg, the first inner surface 329b of FIG. 10B ) and, the second tab structure includes a second inner surface facing the first inner surface (eg, the second inner surface 329d of FIG. 10B ) and a second outer surface opposite to the second inner surface (eg, the second inner surface of FIG. 10B ) 2 outer surfaces 329d), and the protective tape may be disposed on the first outer surface and the second outer surface.

According to various embodiments, the battery may include a bonding part protection tape 350 disposed on the first inner surface and the second inner surface.

According to various embodiments, the protective tape may include a first protective tape (eg, the first protective tape 331 of FIG. 5 ) extending from the first surface to the second surface of the electrode assembly and the first and a second protective tape (eg, the second protective tape 333 of FIG. 5 ) disposed substantially parallel to the protective tape.

According to various embodiments, the electrode assembly may have a wound roll shape or a laminate shape.

According to various embodiments of the present disclosure, a battery (eg, battery 300 of FIG. 5 ) includes a first side (eg, first side 310a of FIG. 5 ) and a second surface opposite to the first side. An electrode assembly (eg, the electrode assembly 310 of FIG. 5 ) including a surface (eg, the second surface 310b of FIG. 5 ), at least a portion of which protrudes to the outside of the electrode assembly and is connected to the electrode assembly An electrode tab (eg, electrode tab 320 in FIG. 5 ) comprising a region (eg, protruding regions 325a and 325b in FIG. 5 ), and a protective tape extending from the first side to the second side, the protective tape comprising: At least a portion may include a protective tape (eg, the protective tape 330 of FIG. 5 ) disposed on the protruding area.

According to various embodiments, the first surface faces a first direction (eg, a first direction (+Z direction) of FIG. 5 ), and the second surface faces a second direction (eg, a second direction opposite to the first direction) : facing the second direction (-Z direction) of FIG. 5, and the electrode tab faces the first direction (eg, the first positive electrode tab surface 321a and/or the first negative electrode tab surface ( 323a)) and a lower surface facing the second direction (eg, the second positive electrode tab surface 321b and/or the second negative electrode tab surface 323b of FIG. 5), and a first region 334 of the protective tape. ) may extend from the first surface through the protruding area to the upper surface, and the second area 336 of the protective tape may extend from the second surface through the protruding area to the lower surface.

According to various embodiments, the electrode assembly may include a positive electrode (eg, the positive electrode 311 of FIG. 8 ), a negative electrode (eg, the negative electrode 313 of FIG. 8 ), and a separator disposed between the positive electrode and the negative electrode ( Example: the separator 315 of FIG. 8), wherein the electrode tab includes a positive electrode tab connected to the positive electrode (eg, positive electrode tab 321 in FIG. 5) and a negative electrode tab connected to the negative electrode (eg, in FIG. 8) a negative electrode tab 323).

According to various embodiments, the battery includes a case (eg, the case 340 of FIG. 9 ) including an accommodating space (eg, the accommodating space 341 of FIG. 9 ) for accommodating the electrode assembly and the electrolyte. The case further includes, wherein the case includes an upper case (eg, the upper case 340a of FIG. 9 ) and a lower case facing the upper case (eg, the lower case 340b of FIG. 9 ), and the protective tape comprises: , an upper cover region (eg, upper cover region 335 in FIG. 9 ) disposed between the upper case and upper surfaces of the electrode tab (eg, upper surfaces 321a and 323a in FIG. 5 ) and the lower case and the electrode It may include a lower cover area (eg, the lower cover area 337 of FIG. 9 ) disposed between the lower surfaces of the tab (eg, the lower surfaces 321b and 323b of FIG. 5 ).

According to various embodiments, the electrode tab may include a connection region exposed to the outside of the electrode assembly (eg, the connection region 327 of FIG. 9 ) and at least one bending region positioned between the connection region and the protrusion region. (eg, the bending area 326 of FIG. 9 ), and the protective tape may be disposed on the at least one bending area.

According to various embodiments, the electrode tab includes a first tab structure (eg, in FIG. 10B ) including a first protrusion region (eg, the first protrusion region 325 - 1 of FIG. 10B ) connected to the electrode assembly. a first tab structure 325 - 1 ), a second protrusion spaced apart from the first protruding region and including a second protruding region connected to the electrode assembly (eg, the second protruding region 325 - 2 of FIG. 10B ). and a tab structure (eg, the second tab structure 325 - 2 of FIG. 10B ), wherein the first tab structure and the second tab structure include a first bonding area (eg, the first bonding area 328 of FIG. 10B ). -1)), and the protective tape may be disposed on at least a part of the first protruding region, at least a part of the second protruding region, and at least a part of the first bonding region.

The battery including the protective tape described above and the electronic device including the same are not limited by the above-described embodiments and drawings, and various substitutions, modifications, and changes are possible within the technical scope of the present disclosure. It will be clear to one of ordinary skill in the art.

101, 200: electronic device
210: housing
250, 300: battery
310: electrode assembly
320: electrode tab
330: protective tape
340: case

Claims (20)

In an electronic device,
processor; and
a battery for supplying power to the processor;
The battery is
An electrode assembly comprising a first surface and a second surface opposite to the first surface;
an electrode tab, at least a portion of which protrudes to the outside of the electrode assembly, and includes a protruding region connected to the electrode assembly; and
and a protective tape extending from the first surface to the second surface, at least a portion of which is disposed on the protruding area.
The method of claim 1,
The first side faces a first direction, the second side faces a second direction opposite to the first direction,
The electrode tab includes an upper surface facing the first direction, and a lower surface facing the second direction,
A first area of the protective tape extends from the first surface to the upper surface through the protruding area, and a second area of the protective tape extends from the second surface to the lower surface through the protruding area. An electronic device including a second area.
The method of claim 1,
The electrode assembly includes a positive electrode, a negative electrode, and a separator disposed between the positive electrode and the negative electrode,
The electrode tab includes a positive electrode tab connected to the positive electrode and a negative electrode tab connected to the negative electrode.
4. The method of claim 3,
The protective tape is
and a first protective tape surrounding at least a portion of the positive electrode tab and a second protection tape surrounding at least a portion of the negative electrode tab.
The method of claim 1,
The battery includes a case including an accommodating space for accommodating the electrode assembly and the electrolyte.
6. The method of claim 5,
The case includes an upper case and a lower case facing the upper case,
The protective tape includes an upper cover area disposed between the upper case and an upper surface of the electrode tab and a lower cover area disposed between the lower case and a lower surface of the electrode tab.
The method of claim 1,
The electrode tab includes an externally exposed connection region of the electrode assembly and at least one bending region positioned between the connection region and the protruding region.
8. The method of claim 7,
and the protective tape is disposed on the at least one bending area.
The method of claim 1,
The electrode tab is
A first tab structure including a first protruding region connected to the electrode assembly, a second tab structure spaced apart from the first protruding region and including a second protruding region connected to the electrode assembly,
The first tab structure and the second tab structure are connected in a first junction region.
10. The method of claim 9,
The protective tape is disposed on at least a portion of the first protruding area, at least a portion of the second protruding area, and at least a portion of the first bonding area.
10. The method of claim 9,
The first tab structure includes a first outer surface and a first inner surface,
The second tab structure includes a second inner surface facing the first inner surface and a second outer surface opposite to the second inner surface,
The protective tape is disposed on the first outer surface and the second outer surface.
12. The method of claim 11,
The battery is
and a bonding part protection tape disposed on the first inner surface and the second inner surface.
The method of claim 1,
The protective tape is
and a first protective tape extending from the first surface to the second surface of the electrode assembly, and a second protective tape disposed substantially parallel to the first protective tape.
The method of claim 1,
The electrode assembly is an electronic device having a wound roll shape or a laminate shape.
in the battery,
an electrode assembly including a first surface and a second surface opposite to the first surface;
an electrode tab at least a portion of which protrudes to the outside of the electrode assembly and includes a protruding region connected to the electrode assembly; and
and a protective tape extending from the first side to the second side, at least a portion of which is disposed on the protruding area.
16. The method of claim 15,
The first side faces a first direction, the second side faces a second direction opposite to the first direction,
The electrode tab includes an upper surface facing the first direction, and a lower surface facing the second direction,
A portion of the protective tape extends from the first surface to the upper surface through the protruding area, and another portion of the protective tape extends from the second surface to the lower surface through the protruding area.
16. The method of claim 15,
The electrode assembly includes a positive electrode, a negative electrode, and a separator disposed between the positive electrode and the negative electrode,
The electrode tab includes a positive electrode tab connected to the positive electrode and a negative electrode tab connected to the negative electrode.
16. The method of claim 15,
Further comprising a case including an accommodating space for accommodating the electrode assembly and the electrolyte,
The case includes an upper case and a lower case facing the upper case,
The protective tape may include an upper cover area disposed between the upper case and an upper surface of the electrode tab and a lower cover area disposed between the lower case and a lower surface of the electrode tab.
16. The method of claim 15,
The electrode tab includes a connection region exposed to the outside of the electrode assembly and at least one bending region positioned between the connection region and the protrusion region,
and the protective tape is disposed on the at least one bending area.
16. The method of claim 15,
The electrode tab includes a first tab structure including a first protruding region connected to the electrode assembly, and a second tab structure spaced apart from the first protruding region and including a second protruding region connected to the electrode assembly, ,
The first tab structure and the second tab structure are connected in a first junction region,
The protective tape is disposed on at least a portion of the first protruding area, at least a portion of the second protruding area, and at least a portion of the first bonding area.

Images