# US 10,319,961 B2 · Energy storage cell and energy storage module > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 10,319,961 B2 - Document ID: US10319961B2 - Status: Granted - Kind: B2 - Application number: 14/689,598 - Filed: 2015-04-17 - Published: 2015-08-06 - Granted: 2019-06-11 - Earliest claimed: 2012-10-18 - Assignees: Bayerische Motoren Werke Aktiengesellschaft - Applicants: Bayerische Motoren Werke Aktiengesellschaft - Inventors: Robert Lustig; Florian Engel; Jens Vetter; Andreas Schleicher - Web page: https://patentgrep.com/patent/US10319961B2 ## CPC - H01M 10/613: Cooling or keeping cold - H01M 10/625: Vehicles - H01M 10/647: Prismatic or flat cells, e.g. pouch cells - H01M 10/6551: Surfaces specially adapted for heat dissipation or radiation, e.g. fins or coatings - H01M 10/6553: Terminals or leads - H01M 10/6554: Rods or plates - H01M 10/6556: Solid parts with flow channel passages or pipes for heat exchange (closed pipes H01M10/6552) - H01M 50/103: prismatic or rectangular (H01M50/109, H01M50/11 take precedence) - H01M 50/124: having a layered structure - H01M 50/1245: {characterised by the external coating on the casing} - H01M 50/209: adapted for prismatic or rectangular cells (H01M50/216 takes precedence) - H01M 50/531: Electrode connections inside a battery casing - H01M 50/55: on the same side of the cell - H01M 50/553: Terminals adapted for prismatic, pouch or rectangular cells - H01M 10/052: Li-accumulators - H01M 50/264: for cells or batteries, e.g. straps, tie rods or peripheral frames - 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 An energy storage cell includes an electrically conductive housing having at least one first, one second, and one third outer wall, with the first outer wall being located at a distance from the second outer wall, and with the third outer wall connecting the first and second outer walls to one another. At least one electrochemical element is disposed in the housing having one anodic connection and one cathodic connection. An anodic current tap on the first outer wall is connected to the anodic connection in an electrically conductive fashion, and a cathodic current tap is connected in an electrically conductive fashion to the first or third outer wall. The cathodic connection is connected in the interior of the housing to the second outer wall in an electrically and thermally conductive fashion. ## Claims ### Claim 1 An energy storage cell, comprising: an electrically conductive housing having at least one first, one second, and one third outer wall, with the first outer wall being located at a distance from the second outer wall, and with the third outer wall connecting the first and second outer walls to one another; at least one electrochemical element disposed in the housing, the electrochemical element having an anodic connection and a cathodic connection, an anodic current tap disposed on the first outer wall, wherein the anodic connection extends through the first outer wall and is directly connected to the anodic current tap in an electrically conductive fashion, and a cathodic current tap connected to the first or third outer wall in electrically conductive fashion, wherein the cathodic connection is connected in an interior of the housing to the second outer wall in an electrically and thermally conductive manner. ### Claim 2 (depends on 1) The energy storage cell according to claim 1, wherein the first outer wall of the housing is at least partially formed by a cap of the housing, with the anodic current tap being disposed on the cap. ### Claim 3 (depends on 2) The energy storage cell according to claim 2, wherein the cathodic current tap is disposed on the cap. ### Claim 4 (depends on 1) The energy storage cell according to claim 1, wherein the housing is configured in a prismatic fashion. ### Claim 5 (depends on 4) The energy storage cell according to claim 4, wherein the prismatic fashion is cuboid. ### Claim 6 (depends on 1) The energy storage cell according to claim 1, wherein the first outer wall is disposed parallel to the second outer wall. ### Claim 7 (depends on 1) The energy storage cell according to claim 1, wherein an outer surface of the second outer wall is electrically insulated, via a film. ### Claim 8 An energy storage module for a motor vehicle, comprising: at least one energy storage cell, the at least one energy storage cell comprising; an electrically conductive housing having at least one first, one second, and one third outer wall, with the first outer wall being located at a distance from the second outer wall, and with the third outer wall connecting the first and second outer walls to one another; at least one electrochemical element disposed in the housing, the electrochemical element having an anodic connection and a cathodic connection; an anodic current tap disposed on the first outer wall, wherein the anodic connection extends through the first outer wall and is directly connected to the anodic current tap in an electrically conductive fashion; and a cathodic current tap connected to the first or third outer wall in electrically conductive fashion, wherein the cathodic connection is connected in an interior of the housing to the second outer wall in an electrically and thermally conductive manner; and a cooling unit having a heat transfer surface, wherein the heat transfer surface rests against the second outer wall of the energy storage cell. ### Claim 9 (depends on 8) The energy storage module according to claim 8, wherein a plurality of the energy storage cells are stacked together, with the heat transfer surface of the one cooling unit resting against the second outer walls of the plurality of energy storage cells. ### Claim 10 (depends on 9) The energy storage module according to claim 9, wherein a fluid conduction device in the cooling unit conducts heat away from the heat transfer surface. ### Claim 11 (depends on 8) The energy storage module according to claim 8, wherein a fluid conduction device in the cooling unit conducts heat away from the heat transfer surface.