# US 10,312,488 B2 · Cartridge for secondary battery > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 10,312,488 B2 - Document ID: US10312488B2 - Status: Granted - Kind: B2 - Application number: 15/554,547 - Filed: 2016-08-12 - Published: 2018-02-22 - Granted: 2019-06-04 - Earliest claimed: 2015-09-02 - Assignees: LG Chem, Ltd. - Applicants: LG Chem, Ltd. - Inventors: Jae-Hyun Seo; Nam-In Kim; Young-Sop Eom; Bo-Hyon Kim; Hyun-Young Cho - Web page: https://patentgrep.com/patent/US10312488B2 ## CPC - H01M 10/625: Vehicles - H01M 10/48: Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte (constructional details of current conducting connections for detecting conditions inside cells or batteries, e.g. details of voltage sensing terminals, H01M50/569) - H01M 10/482: {for several batteries or cells simultaneously or sequentially} - H01M 10/486: {for measuring temperature} - H01M 10/613: Cooling or keeping cold - H01M 10/6554: Rods or plates - H01M 50/202: Casings or frames around the primary casing of a single cell or a single battery - H01M 50/211: adapted for pouch cells - H01M 50/256: Carrying devices, e.g. belts - 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 - Y02E: REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION ## Abstract A cartridge for a secondary battery, according to an aspect of the present disclosure, includes a lower cartridge and an upper cartridge capable of being assembled with each other with at least one secondary battery therebetween. The lower cartridge includes a cell guide unit having two inner wall surfaces that protrude upward in at least one corner area of the lower cartridge from other areas and are adjacent to each other at right angles to each other, and the upper cartridge includes a cell guide assembly unit having a shape lit for the cell guide unit. ## Claims ### Claim 1 A cartridge for a secondary battery, comprising: a lower cartridge having a side wall; an upper cartridge capable of being assembled with the lower cartridge; at least one secondary battery between the lower cartridge and the upper cartridge; a cell guide unit extending from the lower cartridge, the cell guide unit having two inner wall surfaces that protrude upward in at least one corner area of the lower cartridge and are adjacent to each other at right angles to each other, a height of the cell guide unit being greater than a height of the lower cartridge side wall; and a cell guide assembly unit extending from the upper cartridge, the cell guide assembly unit having a shape fit for the cell guide unit; wherein the cell guide unit has a lower end part and an upper end part, the upper end part having a height greater than the lower end part to create a step from outside to inside of the cell guide unit such that the upper end part of the cell guide unit is thinner than the lower end part of the cell guide unit. ### Claim 2 (depends on 1) The cartridge of claim 1, wherein the lower end part of the cell guide unit has a shape fit for the cell guide assembly unit in a vertical direction, and the upper end part of the cell guide unit is inside the cell guide assembly unit. ### Claim 3 (depends on 1) The cartridge of claim 1, wherein each of the lower cartridge and the upper cartridge has a rectangular shape, and one cell guide unit is provided in each of four corner areas of the lower cartridge. ### Claim 4 (depends on 1) The cartridge of claim 1, wherein the lower cartridge comprises a lower cooling plate provided in a form of a thermal conductive plate, a first lower frame provided in a form of a rectangular ring having an empty central part and coupled to the lower cooling plate to cover the central part of the first lower frame, and a second lower frame forming a wall body on a long side of the first lower frame, and wherein the cell guide unit is provided at each of both end parts of the second lower frame. ### Claim 5 (depends on 4) The cartridge of claim 4, wherein the upper cartridge comprises an upper cooling plate provided in a form of a thermal conductive plate, a first upper frame provided in a form of a rectangular ring having an empty central part and coupled to the upper cooling plate to cover the central part of the first upper frame, and a second upper frame forming a wall body on a long side of the first upper frame, and wherein the second lower frame is formed to have a greater height than the second upper frame. ### Claim 6 (depends on 5) The cartridge of claim 5, wherein at least one hook is provided in a side part of the second upper frame, and at least one hook catch hole is provided in a side part of the second lower frame to correspond to the at least one hook of the second upper frame. ### Claim 7 (depends on 5) The cartridge of claim 5, wherein the lower cooling plate is thermally fused and bonded to an outer surface of the first lower frame, and the upper cooling plate is thermally fused and bonded to an outer surface of the first upper frame. ### Claim 8 (depends on 5) The cartridge of claim 5, wherein at least one of the lower cooling plate and the upper cooling plate comprises a temperature-measuring tab protruding from at least one side of the at least one of the lower cooling plate and the upper cooling plate in a lengthwise direction. ### Claim 9 (depends on 1) A battery module comprising the cartridge for a secondary battery of claim 1. ### Claim 10 (depends on 9) A vehicle comprising the battery module of claim 9. ### Claim 11 (depends on 1) The cartridge of claim 1, wherein the height of the upper end part is equal to a combined height of the lower end part and a height of the cell guide assembly unit. ### Claim 12 (depends on 1) The cartridge of claim 1, wherein a bottom surface of the cell guide assembly unit contacts an upper surface of the lower end part. ### Claim 13 (depends on 1) The cartridge of claim 1, wherein the lower end part has a step in height in a lateral direction. ### Claim 14 (depends on 1) The cartridge of claim 1, wherein the height of the lower end part is greater than a height of the lower cartridge side wall.