# US 2014/0197778 A1 · Temperature controlling system and method for battery > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2014/0197778 A1 - Document ID: US20140197778A1 - Status: Published application - Kind: A1 - Application number: 13/935,462 - Filed: 2013-07-03 - Published: 2014-07-17 - Earliest claimed: 2013-01-16 - Assignees: Samsung SDI Co., Ltd. - Applicants: Samsung SDI Co., LTD. - Inventors: Ki-Seon Kim - Web page: https://patentgrep.com/patent/US20140197778A1 ## CPC - H01M 10/443: {in response to temperature} - H02J 3/32: using batteries or super capacitors with converting means - H02J 7/575: {Parallel/serial switching of connection of batteries to charge or load circuit} - H02J 7/977: {of the battery} - H01M 2010/4271: {Battery management systems including electronic circuits, e.g. control of current or voltage to keep battery in healthy state, cell balancing} - H02J 7/04: Regulation of charging current or voltage - H02J 7/663: {using battery or load disconnect circuits (H02J9/002 takes precedence)} - H02J 7/927: {with introduction of pulses during the charging process} - 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 The present invention provides a temperature controlling system for a battery in an energy storage system, the temperature controlling system including: a converter comprising a plurality of switches and a converter inductor, the converter being configured to increase or decrease a voltage of the battery; a DC linker comprising first and second capacitors that are coupled in series and configured to stabilize an output voltage of the converter; and an inverter comprising a plurality of switches and an inductor, the inverter being configured to invert an input voltage, wherein the inverter further comprises a switch coupled between a terminal of the inductor and a first node between the first and second capacitors of the DC linker to provide a current from the inductor to the battery. ## Claims ### Claim 1 A temperature controlling system for a battery in an energy storage system, the temperature controlling system comprising: a converter comprising a plurality of switches and a converter inductor, the converter being configured to increase or decrease a voltage of the battery; a DC linker comprising first and second capacitors that are coupled in series and configured to stabilize an output voltage of the converter; and an inverter comprising a plurality of switches and an inductor, the inverter being configured to invert an input voltage, wherein the inverter further comprises a switch coupled between a terminal of the inductor and a first node between the first and second capacitors of the DC linker to provide a current from the inductor to the battery. ### Claim 2 (depends on 1) The temperature controlling system of claim 1, wherein the converter comprises: the converter inductor coupled to a first terminal of the battery; a first switch coupled between a first terminal of the first capacitor of the DC linker and a second terminal of the converter inductor; and a second switch coupled between the second terminal of the converter inductor and a second terminal of the battery. ### Claim 3 (depends on 2) The temperature controlling system of claim 2, further comprising a third switch coupled between the first terminal of the battery and the first terminal of the first capacitor of the DC linker. ### Claim 4 (depends on 1) The temperature controlling system of claim 1, wherein the switches of the inverter are implemented in a half-bridge structure. ### Claim 5 (depends on 4) The temperature controlling system of claim 4, wherein the switches of the half-bridge structure include: a first switch coupled between a first terminal of the first capacitor of the DC linker and a first terminal of the inductor; and a second switch coupled between the first terminal of the inductor and a second terminal of the battery. ### Claim 6 (depends on 5) The temperature controlling system of claim 5, wherein the inductor is coupled between a second node between the first and second switches and a first switch of a load linker, the load linker being configured to control a linkage between the energy storage system and a load. ### Claim 7 (depends on 5) The temperature controlling system of claim 5, further comprising a third switch coupled between a second terminal of the inductor and the first node between the first and second capacitors of the DC linker. ### Claim 8 A temperature controlling method for a battery in an energy storage system comprising: sensing a low-temperature state of the battery being maintained for a period of time; removing a coupling between a grid and a load from the energy storage system in response to the low-temperature state of the battery being maintained for the period of time; forming a charging/discharging current path through which current generated in an inductor is provided to the battery; and repetitively performing a charging/discharging operation of the battery through the charging/discharging current path by alternately operating a plurality of switches of an inverter. ### Claim 9 (depends on 8) The temperature controlling method of claim 8, further comprising coupling the energy storage system to the load and the grid after the temperature of the battery reaches a normal temperature range and blocking the formed charging/discharging current path. ### Claim 10 (depends on 8) The temperature controlling method of claim 8, wherein the plurality of switches of the inverter are implemented in a half-bridge structure.