# US 10,374,200 B2 · Battery pack having fixing part for PCM > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 10,374,200 B2 - Document ID: US10374200B2 - Status: Granted - Kind: B2 - Application number: 15/304,348 - Filed: 2014-04-29 - Published: 2017-02-02 - Granted: 2019-08-06 - Earliest claimed: 2014-04-29 - Assignees: LG Chem, Ltd. - Applicants: LG Chem, Ltd. - Inventors: Mi Geum Choi; Dong Cheol Lee; Jong Woon Choi - Web page: https://patentgrep.com/patent/US10374200B2 ## CPC - H01M 10/0436: {Small-sized flat cells or batteries for portable equipment} - H01M 10/4235: {Safety or regulating additives or arrangements in electrodes, separators or electrolyte (H01M10/4242 takes precedence)} - H01M 10/425: {Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing (printed circuits H05K1/00)} - H01M 10/4257: {Smart batteries, e.g. electronic circuits inside the housing of the cells or batteries} - H01M 50/119: Metals - H01M 50/121: Organic material - H01M 50/124: having a layered structure - H01M 50/202: Casings or frames around the primary casing of a single cell or a single battery - H01M 50/247: specially adapted for portable devices, e.g. mobile phones, computers, hand tools or pacemakers - H01M 50/284: with incorporated circuit boards, e.g. printed circuit boards [PCB] - H01M 50/296: characterised by terminals of battery packs (terminals of batteries H01M50/543) - H01M 50/55: on the same side of the cell - H01M 50/557: Plate-shaped terminals - H01M 50/581: in response to temperature - H01M 2200/10: Temperature sensitive devices - H01M 2200/103: Fuse - H01M 2200/106: PTC - H01M 2220/30: Batteries in portable systems, e.g. mobile phone, laptop - Y02E 60/10: Energy storage using batteries - Y02P 70/50: Manufacturing or production processes characterised by the final manufactured product - H01M: PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY - Y02E: REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION - Y02P: CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS ## Abstract Disclosed herein is a battery pack configured to have a structure including a plate-shaped battery cell having electrode terminals formed at one side thereof including a sealed surplus part and a protection circuit module (PCM) mounted at the sealed surplus part, wherein each of the electrode terminals of the battery cell is made of a plate-shaped conductive member, the PCM includes a protection circuit board (PCB), a safety element electrically connected between one of the electrode terminals of the battery cell and the PCB or loaded on the PCB, an external input and output terminal electrically connected to a protection circuit of the PCB, and an electrically insulative module case in which the PCB and the safety element are mounted in a state in which the external input and output terminal extends outside, the module case includes a PCB receiving part open outward at one side thereof and at least one fixing part to mount the module case to the sealed surplus part of the battery cell, and the PCM is loaded on the sealed surplus part of the battery cell while being received in the module case in a state in which the PCM is electrically connected to the electrode terminals of the battery cell. ## Claims ### Claim 1 A battery pack configured to have a structure comprising: a plate-shaped battery cell having electrode terminals formed at one side thereof, the plate-shaped battery cell comprising a sealed surplus part; and a protection circuit module (PCM) mounted at the sealed surplus part, wherein each of the electrode terminals of the battery cell is made of a plate-shaped conductive member, and wherein the PCM comprises: a protection circuit board (PCB); a safety element electrically connected between one of the electrode terminals of the battery cell and the PCB or loaded on the PCB; an external input and output terminal electrically connected to a protection circuit of the PCB; and an electrically insulative module case in which the PCB and the safety element are mounted in a state in which the external input and output terminal extends outside, wherein the module case comprises a PCB receiving part open outward at one side thereof and a hook to mount the module case to the sealed surplus part of the battery cell, wherein the hook is connected to a side wall of the module case, the hook extending along an exterior surface of the sealed surplus part, and wherein the PCM is loaded on the sealed surplus part of the battery cell while being received in the module case in a state in which the PCM is electrically connected to the electrode terminals of the battery cell. ### Claim 2 (depends on 1) The battery pack according to claim 1, wherein the plate-shaped battery cell is a pouch-shaped secondary battery having an electrode assembly received in a battery case made of a laminate sheet comprising a metal layer and a resin layer in a sealed state. ### Claim 3 (depends on 2) The battery pack according to claim 2, wherein the electrode assembly is configured to have a structure comprising a cathode, an anode, and a separator disposed between the cathode and the anode and is received in the battery case together with an electrolyte in a sealed state. ### Claim 4 (depends on 1) The battery pack according to claim 1, wherein the sealed surplus part is an upper end sealed part formed when a battery case is thermally bonded in a sealed state. ### Claim 5 (depends on 1) The battery pack according to claim 1, wherein the safety element comprises at least one selected from a group consisting of a positive temperature coefficient (PTC) element, a fuse, and a thermal cutoff or cutout (TCO). ### Claim 6 (depends on 1) The battery pack according to claim 1, wherein the external input and output terminal is configured in the form of a plate or a wire. ### Claim 7 (depends on 1) The battery pack according to claim 1, wherein the hook is formed at a middle of a long side of the module case, and opposite end regions of the module case facing the sealed surplus part protrude toward the sealed surplus part by a length corresponding to a thickness of the hook. ### Claim 8 (depends on 7) The battery pack according to claim 7, wherein a region of the module case at which the hook is formed is depressed in a direction opposite to the sealed surplus part. ### Claim 9 (depends on 1) The battery pack according to claim 1, wherein the sealed surplus part, to which the hook is coupled, is provided with a mount part protruding toward the module case. ### Claim 10 (depends on 1) The battery pack according to claim 1, wherein the module case is configured to have a rectangular parallelepiped box structure. ### Claim 11 (depends on 10) The battery pack according to claim 10, wherein the module case is provided at an inside thereof with at least one PCB fixing protrusion part. ### Claim 12 (depends on 1) The battery pack according to claim 1, further comprising a label attached to outer surfaces of the PCM and the battery cell excluding the external input and output terminal in a wrapping fashion. ### Claim 13 A protection circuit module (PCM) loaded on a sealed surplus part of a plate-shaped battery cell having electrode terminals, each of which is made of a plate-shaped conductive member, formed at an upper end thereof, comprising: a protection circuit board (PCB); a safety element electrically connected between one of the electrode terminals of the battery cell and the PCB or loaded on the PCB; an external input and output terminal electrically connected to a protection circuit of the PCB; and an electrically insulative module case in which the PCB and the safety element are mounted in a state in which the external input and output terminal extends outside, the module case comprising a PCB receiving part open outward at one side thereof; and a hook to mount the module case to the sealed surplus part of the battery cell, the hook extending outwardly and downwardly from a side wall of the module case, so that a bottom edge of the hook is below a top edge of the side wall of the module case, wherein the PCM is loaded on the sealed surplus part of the battery cell while being received in the module case in a state in which the PCM is electrically connected to the electrode terminals of the battery cell. ### Claim 14 (depends on 13) The PCM according to claim 13, wherein the at least one fixing part of the module case is configured to have a hook structure coupled to one end of the sealed surplus part. ### Claim 15 (depends on 1) A method of manufacturing a battery pack according to claim 1, the method comprising: (a) connecting an external input and output terminal to a PCB by welding or soldering; (b) connecting the PCB to electrode terminals of a battery cell by welding or soldering; (c) mounting the PCB in a PCB receiving part; (d) loading the PCM on a sealed surplus part of the battery cell and coupling a PCM fixing part to the sealed surplus part of the battery cell; and (e) attaching a label to outer surfaces of the PCM and the battery cell excluding the external input and output terminal in a wrapping fashion. ### Claim 16 (depends on 15) The method according to claim 15, wherein the welding is spot welding, laser welding, or ultrasonic welding. ### Claim 17 (depends on 1) A mobile device comprising a battery pack according to claim 1 as a power source. ### Claim 18 (depends on 17) The mobile device according to claim 17, wherein the mobile device is a mobile phone, a laptop computer, a netbook computer, a tablet PC, or a smart pad.