# US 8,541,130 B2 · Interconnectors for a battery assembly > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 8,541,130 B2 - Document ID: US8541130B2 - Status: Granted - Kind: B2 - Application number: 13/679,779 - Filed: 2012-11-16 - Published: 2013-03-28 - Granted: 2013-09-24 - Earliest claimed: 2007-08-02 - Assignees: Johnson Controls - SAFT Advanced Power Solutions LLC - Applicants: Pascal Muis - Inventors: Pascal Muis - Web page: https://patentgrep.com/patent/US8541130B2 ## CPC - H01M 10/425: {Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing (printed circuits H05K1/00)} - G01R 1/203: {Resistors used for electric measuring, e.g. decade resistors standards, resistors for comparators, series resistors, shunts (resistors in general H01C; microwave or radiowave terminations H01P1/26; coupling devices H01R)} - G01R 31/364: Battery terminal connectors with integrated measuring arrangements - 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 50/517: by fixing means, e.g. screws, rivets or bolts - H01M 50/522: Inorganic material - H01M 50/55: on the same side of the cell - H01M 50/559: Terminals adapted for cells having curved cross-section, e.g. round, elliptic or button cells (H01M50/553 takes precedence) - H01M 50/566: by welding, soldering or brazing - 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 - G01R: MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES (indicating correct tuning of resonant circuits H03J3/12) - Y02E: REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION ## Abstract A battery module includes multiple electrochemical cells, a circuit board, and multiple interconnectors. Each electrochemical cell includes a terminal. Each of the interconnectors is coupled to the circuit board and to a terminal of one of the electrochemical cells. Each of the interconnectors is a resilient spring-type interconnector. ## Claims ### Claim 1 A battery module, comprising: a plurality of electrochemical cells, each electrochemical cell comprising a terminal; a circuit board; and a plurality of interconnectors, wherein each of the plurality of interconnectors is coupled to the circuit board and to a terminal of one of the plurality of electrochemical cells, and wherein each of the interconnectors is a resilient spring-type interconnector, and wherein each of the plurality of interconnectors comprises a pair of rings coupled together by an elastically-compliant member that is configured to flex in response to a force. ### Claim 2 (depends on 1) The battery module of claim 1, wherein the elastically-compliant member is configured to allow the pair of rings to flex relative to each other in response to a force. ### Claim 3 (depends on 1) The battery module of claim 1, wherein a first of the rings is coupled to the circuit board and a second of the rings is coupled to a terminal of one of the plurality of electrochemical cells. ### Claim 4 (depends on 1) The battery module of claim 1, wherein the elastically-compliant member is integrally formed with the pair of rings. ### Claim 5 (depends on 1) The battery module of claim 1, wherein a first of the rings has a diameter smaller than a diameter of a second of the rings, and wherein the elastically-compliant member is helically curved with a diameter increasing from a connection point with the first of the rings to a connection point with the second of the rings. ### Claim 6 (depends on 1) The battery module of claim 1, wherein the elastically-compliant member extends from an inner edge of a first of the rings to an outer edge of a second of the rings. ### Claim 7 (depends on 1) The battery module of claim 1, wherein each of the interconnectors is configured to act as a conductor for measuring a voltage of the associated electrochemical cell. ### Claim 8 (depends on 1) The battery module of claim 1, wherein the circuit board is flexible. ### Claim 9 (depends on 1) The battery module of claim 1, wherein at least one of the interconnectors is coupled to a conductor path on the circuit board. ### Claim 10 (depends on 1) The battery module of claim 1, further comprising: a temperature sensor electrically coupled to the terminal of one of the plurality of electrochemical cells, the temperature sensor configured to detect the temperature of the terminal. ### Claim 11 (depends on 10) The battery module of claim 10, wherein the temperature sensor is mounted on the circuit board, and wherein one of the plurality of interconnectors electrically couples the temperature sensor to the terminal. ### Claim 12 (depends on 1) The battery module of claim 1, further comprising: a conductive bar connecting the terminal of a first of the electrochemical cells to the terminal of a second of the electrochemical cells, the conductive bar including a first copper part connected to the terminal of the first electrochemical cell, a second copper part connected to the terminal of the second electrochemical cell, and a shunt between the first copper part and the second copper part; and a voltage sensor configured to measure a voltage drop across the shunt. ### Claim 13 A battery module, comprising: a plurality of electrochemical cells, each electrochemical cell comprising a terminal; a circuit board; a plurality of interconnectors, wherein each of the plurality of interconnectors is directly coupled to the circuit board and coupled to a terminal of one of the plurality of electrochemical cells, and wherein each of the interconnectors is a resilient spring-type interconnector; and a plurality of conductive bars, each conductive bar located between an interconnector and a terminal of an electrochemical cell; wherein the circuit board is configured to allow the plurality of interconnectors to be substantially simultaneously conductively coupled to the terminals of the plurality of electrochemical cells. ### Claim 14 (depends on 13) The battery module of claim 13, wherein each of the plurality of interconnectors comprises a pair of rings coupled together by an elastically-compliant member that is configured to flex in response to a force. ### Claim 15 (depends on 14) The battery module of claim 14, wherein the elastically-compliant member is configured to allow the pair of rings to flex relative to each other in response to a force. ### Claim 16 (depends on 15) The battery module of claim 15, wherein a first of the rings is directly coupled to the circuit board and a second of the rings is coupled to a terminal of one of the plurality of electrochemical cells. ### Claim 17 A battery module comprising: a plurality of electrochemical cells, each of the electrochemical cells comprising a terminal projecting from an end thereof; and a member having a plurality of interconnectors coupled thereto, wherein each of the plurality of interconnectors is coupled to a terminal of one of the plurality of electrochemical cells to aid in measuring the voltage of the electrochemical cell, and wherein each of the plurality of interconnectors comprises a pair of rings coupled together by an elastically compliant member that is configured to flex in response to a force. ### Claim 18 (depends on 17) The battery module of claim 17, wherein a first of the rings is coupled to the member and a second of the rings is coupled to a terminal of one of the plurality of electrochemical cells. ### Claim 19 (depends on 13) The battery module of claim 13, wherein each of the plurality of interconnectors is soldered to the circuit board.