# US 2014/0150485 A1 · Storage Unit for a Drive System in a Vehicle > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2014/0150485 A1 - Document ID: US20140150485A1 - Status: Published application - Kind: A1 - Application number: 14/090,231 - Filed: 2013-11-26 - Published: 2014-06-05 - Earliest claimed: 2012-11-30 - Assignees: BASF SE - Applicants: BASF SE - Inventors: Mathias Weickert; Stefan Marx; Ulrich Müller; Christian-Andreas Winkler - Web page: https://patentgrep.com/patent/US20140150485A1 ## CPC - H01M 10/6568: characterised by flow circuits, e.g. loops, located externally to the cells or cell casings - B60L 58/26: by cooling - H01M 10/613: Cooling or keeping cold - H01M 10/625: Vehicles - H01M 10/66: Heat-exchange relationships between the cells and other systems, e.g. central heating systems or fuel cells - H01M 8/04201: {Reactant storage and supply, e.g. means for feeding, pipes} - Y02E 60/10: Energy storage using batteries - Y02E 60/50: Fuel cells - Y02T 10/70: Energy storage systems for electromobility, e.g. batteries - H01M: PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY - B60L: PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES (arrangements or mounting of electrical propulsion units or of plural diverse prime-movers for mutual or common propulsion in vehicles B60K1/00, B60K6/20; arrangements or mounting of electrical gearing in vehicles B60K17/12, B60K17/14; preventing wheel slip by reducing power in rail vehicles B61C15/08; dynamo-electric machines H02K; control or regulation of electric motors H02P); SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES (electric coupling devices combined with mechanical couplings of vehicles B60D1/64; electric heating for vehicles B60H1/00); ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL (control or regulation of electric motors H02P); MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES - Y02E: REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION - Y02T: CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION ## Abstract Described is a storage unit for a drive system in a vehicle. The storage unit has at least one sorption store, at least one battery, and at least one cooling circuit. The sorption store is coupled via the cooling circuit to the battery. Further described is a method of operating the storage unit and also a drive system and a vehicle equipped with such a storage unit. ## Claims ### Claim 1 A storage unit for a drive system in a vehicle, the storage unit comprising at least one sorption store, at least one battery and at least one cooling circuit, wherein the sorption store is coupled via the cooling circuit to the battery, wherein the cooling circuit comprises at least one sorption store circuit and at least one battery circuit. ### Claim 2 (depends on 1) The storage unit of claim 1, wherein the cooling circuit comprises at least one pump which conveys a refrigerant between the battery and the sorption store in the cooling circuit. ### Claim 3 (depends on 1) The storage unit of claim 1, wherein the sorption store circuit and the battery circuit branch off from at least one main line. ### Claim 4 (depends on 1) The storage unit of claim 1, wherein at least one valve for regulating the refrigerant flow is provided in the sorption store circuit or in the battery circuit. ### Claim 5 (depends on 1) The storage unit of claim 1, wherein a heat exchanger and/or at least one pump is arranged in the region of the main line of the cooling circuit. ### Claim 6 (depends on 1) The storage unit of claim 1, wherein the sorption store circuit and the battery circuit form two separate circuits which are connected to one another in the circuit via a connecting line. ### Claim 7 (depends on 1) The storage unit of claim 1, wherein the connecting line comprises at least one pump and at least one valve. ### Claim 8 (depends on 1) The storage unit of claim 1, wherein the sorption store circuit and the battery circuit comprise at least one pump and at least one heat exchanger. ### Claim 9 (depends on 1) A method of operating the storage unit of claim 1, the method comprising heat exchange between the battery and the sorption store via a cooling circuit to which at least one battery and at least one sorption store are connected. ### Claim 10 (depends on 9) The method according to claim 9, wherein the storage unit is operated as a function of a charging state of the battery, a fill level of the sorption store or both. ### Claim 11 (depends on 9) The method according to claim 9, wherein a refrigerant is flown through the battery and the sorption store is varied as a function of the charging state of the battery, the fill level of the sorption store or both. ### Claim 12 (depends on 9) The method according to claim 9, wherein a total stream of the refrigerant is divided into a sorption store circuit and a battery circuit. ### Claim 13 (depends on 1) A drive system comprising the storage unit of claim 1. ### Claim 14 (depends on 1) A vehicle comprising the storage unit of claim 1.