# US 2014/0154548 A1 · Storage unit for storing electrical energy with a heat pipe > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2014/0154548 A1 - Document ID: US20140154548A1 - Status: Published application - Kind: A1 - Application number: 14/128,762 - Filed: 2012-05-30 - Published: 2014-06-05 - Earliest claimed: 2011-06-21 - Assignees: Robert Bosch GmbH - Inventors: Adolf Dillmann; Stefan Huehner; Reiner Holp - Web page: https://patentgrep.com/patent/US20140154548A1 ## CPC - H01M 10/613: Cooling or keeping cold - H01G 9/151: {with wound foil electrodes} - H01G 11/08: Structural combinations, e.g. assembly or connection, of hybrid or EDL capacitors with other electric components, at least one hybrid or EDL capacitor being the main component - H01M 10/6552: Closed pipes transferring heat by thermal conductivity or phase transition, e.g. heat pipes - F28D 15/0275: {Arrangements for coupling heat-pipes together or with other structures, e.g. with base blocks; Heat pipe cores} - F28F 2265/26: for allowing differential expansion between elements - F28F 2275/08: by clamping or clipping - H01M 50/209: adapted for prismatic or rectangular cells (H01M50/216 takes precedence) - Y02E 60/10: Energy storage using batteries - H01M: PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY - H01G: CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE (selection of specified materials as dielectric H01B3/00; capacitors having potential barriers H10D1/62, H10K10/10) - F28D: HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT (fluid heaters having heat generating means and heat transferring means F24H; furnaces F27; details of heat-exchange apparatus of general) - F28F: DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION (water and air traps, air venting F16) - Y02E: REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION ## Abstract The invention relates to a storage unit (1) for storing electrical energy. The storage unit (1) has at least one energy store (3, 5, 6, 7). According to the invention, the storage unit (1) also has a contact area for giving off heat to a heat sink (45). The storage unit (1) has at least one heat pipe (50), which is connected to the contact area and is connected to the energy store (3, 5, 6, 7) in such a way that heat dissipated inside the energy store (3, 5, 6, 7) can be carried away to the contact area via the heat pipe (50). ## Claims ### Claim 1 A storage unit (1) for storing electrical energy comprising at least one energy store (3, 5, 6, 7) characterized in that the storage unit (1) comprises a contact area (37) for dissipating heat to a heat sink (45), and the storage unit (1) comprises at least one heat pipe (50) that is connected to the contact area (37) and connected to the energy store (3, 5, 6, 8) in such a manner that heat losses that are generated inside the energy store (3, 5, 6, 8) can be dissipated to the contact area (37) by way of the heat pipe (50). ### Claim 2 (depends on 1) The storage unit (1) as claimed in claim 1, characterized in that, the storage unit (1) comprises at least two energy stores (3, 5, 6, 8) that are arranged spaced apart from one another by way of an intermediate space and the heat pipe (50) is connected to the at least one energy store (3, 5, 6, 8) by way of at least one heat conductor (60, 62, 64), wherein the heat conductor (60, 62, 64) is arranged in the intermediate space and is in operative contact with the at least one energy store (3, 5, 6, 8) that is bordered by the intermediate space. ### Claim 3 (depends on 2) The storage unit (1) as claimed in claim 2, characterized in that, the heat conductor (60, 62, 64) is connected in a heat conducting manner to the heat pipe (50) on a longitudinal section of the heat pipe (50) by means of a guide bushing (52, 54, 56), wherein the guide bushing (52, 54, 56) is embodied to hold the heat pipe (50) in place in a resilient and heat conducting manner in such a manner that the guide bushing (52, 54, 56) can be moved back and forth along a longitudinal extension of the heat pipe (50). ### Claim 4 (depends on 1) The storage unit (1) as claimed in claim 1, characterized in that, at least one electrical connector (7, 9) of the energy store (3, 5, 6, 8) is connected to an electrical contact rail (10, 12), wherein the contact rail (10, 12) is connected to at least one external connector of the storage unit (1) and the contact rail (10, 12) is connected to the contact area in a heat conducting manner. ### Claim 5 (depends on 1) The storage unit (1) as claimed in claim 1, characterized in that, the storage unit (1) comprises a heat conductive cooling element (35), which comprises an externally directed surface region (37) that embodies the contact area (37). ### Claim 6 (depends on 1) The storage unit (1) as claimed in claim 1, characterized in that, the energy store (3, 5, 6, 8) is a capacitor. ### Claim 7 (depends on 1) The storage unit (1) as claimed in claim 1, characterized in that, the energy store (3, 5, 6, 8) is a battery. ### Claim 8 (depends on 6) The storage unit (1) as claimed in claim 6, characterized in that, the energy store (3, 5, 6, 8) is a rolled-type capacitor. ### Claim 9 (depends on 8) The storage unit (1) as claimed in claim 8, characterized in that, the rolled-type capacitor comprises an electrically conductive layer as an electrical connector (7, 9), which layer is connected to the contact rail (10, 12) in an electrical and heat conducting manner. ### Claim 10 (depends on 1) The storage unit (1) as claimed in claim 1, characterized in that the heat pipe (50) is embodied in a planar manner.