# US 2022/0037701 A1 · Battery pack and power storage device comprising same > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2022/0037701 A1 - Document ID: US20220037701A1 - Status: Published application - Kind: A1 - Application number: 17/299,966 - Filed: 2020-07-02 - Published: 2022-02-03 - Earliest claimed: 2019-07-03 - Assignees: LG Energy Solution, Ltd. - Applicants: LG Energy Solution, Ltd. - Inventors: Song-Gwon KIM - Web page: https://patentgrep.com/patent/US20220037701A1 ## CPC - 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 10/4207: {for several batteries or cells simultaneously or sequentially} - H01M 50/211: adapted for pouch cells - H01M 50/507: comprising an arrangement of two or more busbars within a container structure, e.g. busbar modules - H01M 50/51: Connection only in series - H01M 50/512: Connection only in parallel - H01M 50/583: in response to current, e.g. fuses - H02J 7/50: acting upon multiple batteries simultaneously or sequentially - H02J 7/62: against overcurrent - H02J 7/751: {concerning the insertion or the connection of the batteries} - H01M 50/502: Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing - H01M 2010/4271: {Battery management systems including electronic circuits, e.g. control of current or voltage to keep battery in healthy state, cell balancing} - H01M 2010/4278: {Systems for data transfer from batteries, e.g. transfer of battery parameters to a controller, data transferred between battery controller and main controller} - H01M 2200/103: Fuse - H01M 2220/20: Batteries in motive systems, e.g. vehicle, ship, plane - Y02E 60/10: Energy storage using batteries - H01M: PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY - H02J: ELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY - Y02E: REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION ## Abstract A battery pack includes a plurality of battery modules stacked on each other, each battery module having at least one battery cell; a control module stacked together with the plurality of battery modules for protection and power conversion of the plurality of battery modules; and a connection module configured to electrically connect the control module and the plurality of battery modules and integrally mounted to the plurality of battery modules and the control module. ## Claims ### Claim 1 A battery pack, comprising: a plurality of battery modules stacked on each other, each battery module of the plurality of battery modules having at least one battery cell; a control module stacked together with the plurality of battery modules for protection and power conversion of the plurality of battery modules; and a connection module configured to electrically connect the control module and the plurality of battery modules and integrally mounted to the plurality of battery modules and the control module. ### Claim 2 (depends on 1) The battery pack according to claim 1, wherein the control module is provided as a serial connection module for connecting the plurality of battery modules in series or a parallel connection module for connecting the plurality of battery modules in parallel. ### Claim 3 (depends on 1) The battery pack according to claim 1, wherein the connection module includes: a serial connection module connecting unit configured for connection to the serial connection module; and a parallel connection module connecting unit configured for connection to the parallel connection module. ### Claim 4 (depends on 3) The battery pack according to claim 3, wherein the serial connection module connecting unit and the parallel connection module connecting unit are provided with different shapes. ### Claim 5 (depends on 1) The battery pack according to claim 1, wherein the connection module includes a fuse member configured to block an overcurrent so that the plurality of battery modules are protected. ### Claim 6 (depends on 1) The battery pack according to claim 1, wherein each of the plurality of battery modules includes a positive electrode bus bar and a negative electrode bus bar provided to at least one side thereof, and wherein the connection module includes a positive electrode bus bar connecting unit and a negative electrode bus bar connecting unit connected to the positive electrode bus bar and the negative electrode bus bar of each of the plurality of battery modules. ### Claim 7 (depends on 1) The battery pack according to claim 1, wherein each of the plurality of battery modules includes a communication connector provided to at least one side thereof. ### Claim 8 (depends on 7) The battery pack according to claim 7, wherein the connection module includes a communication connector connecting unit connected to the communication connector of each of the plurality of battery modules. ### Claim 9 (depends on 1) The battery pack according to claim 1, wherein the at least one battery cell is a plurality of battery cells, and wherein the plurality of battery cells are provided as pouch-type secondary batteries. ### Claim 10 (depends on 1) An energy storage system, comprising: at least one battery pack as defined in claim 1. ### Claim 11 (depends on 1) The battery pack according to claim 1, wherein the control module is a parallel connection module for connecting the plurality of battery modules in parallel. ### Claim 12 (depends on 1) The battery pack according to claim 1, wherein the control module is a series connection module for connecting the plurality of battery modules in series.