公开(公告)号：US20220263151A1

公开(公告)日：2022-08-18

申请号：US17672411

申请日：2022-02-15

Applicant: SAMSUNG SDI CO., LTD.

Inventor： Wolfgang REINPRECHT ,  Michael ERHART ,  Gernot KRABERGER ,  Matthias PUCHER

IPC: H01M10/658 ,  H01M10/653 ,  H01M50/505 ,  H01M50/147 ,  H01M50/342

Abstract: A battery system for an electric vehicle includes: a plurality of battery cells, each of the battery cells including electrode terminals; a busbar interconnecting the battery cells by contacting the electrode terminals; a battery housing enclosing the battery cells; and an electrically and thermally insulating cover element. The cover element covers the electrode terminals and the busbar such that the electrode terminals and the busbar are shielded from venting products exiting one or more of the battery cells towards the battery housing during a thermal runaway.

公开(公告)号：US20220077549A1

公开(公告)日：2022-03-10

申请号：US17446935

申请日：2021-09-03

Applicant: Samsung SDI Co., Ltd.

Inventor： Michael ERHART ,  Joshua HICHENS

IPC: H01M50/583 ,  H05K1/02 ,  H05K1/14 ,  H01M50/507 ,  H01M10/613 ,  H01M10/6556 ,  H01M10/6567 ,  H01M10/42

Abstract: A battery system includes: a high voltage (HV) system having a plurality of connected rechargeable battery cells; a battery disconnecting unit (BDU) comprising a carrier plate, BDU relays configured to switchably open or close a HV line of the HV system, wherein the HV line is at least partially integrated into the carrier plate, and a BDU control unit configured to control the BDU relays; and a liquid cooling plate on a first side of the carrier plate.

公开(公告)号：US20240097284A1

公开(公告)日：2024-03-21

申请号：US18525280

申请日：2023-11-30

Applicant: Samsung SDI Co., Ltd.

Inventor： Michael ERHART ,  Hyeongkyu JEONG

IPC: H01M50/519 ,  H01M10/42 ,  H01M50/204 ,  H01M50/516 ,  H01M50/528 ,  H05K3/32 ,  H05K3/36

CPC classification number: H01M50/519 ,  H01M10/4257 ,  H01M50/204 ,  H01M50/516 ,  H01M50/528 ,  H05K3/328 ,  H05K3/361 ,  H01M2010/4271 ,  H05K2203/107 ,  H05K2203/1545

Abstract: A method for connecting a flexible printed circuit (FPC) to a battery module and a cell supervision circuit board (CSCB) is provided. The method includes: providing a coil of a continuous, strip-shaped FPC; unwinding a first section of the FPC from the coil, positioning the first section of the FPC over a first contact portion of the battery module, and welding a conductive structure of the FPC in the first section to the first contact portion of the battery module; unwinding a second section of the FPC from the coil, positioning the second section of the FPC over a contact pad of the CSCB, and welding the conductive structure of the FPC in the second section to the contact pad of the CSCB; and separating the first section and second section of the FPC from the coil of the FPC.

公开(公告)号：US20230155201A1

公开(公告)日：2023-05-18

申请号：US17877233

申请日：2022-07-29

Applicant: SAMSUNG SDI CO., LTD.

Inventor： Florian MAXL ,  Michael ERHART

IPC: H01M10/48 ,  H01M10/42 ,  B60L50/64 ,  B60L58/24 ,  G01K1/02 ,  G01K7/01

CPC classification number: H01M10/486 ,  H01M10/482 ,  H01M10/425 ,  B60L50/64 ,  B60L58/24 ,  G01K1/026 ,  G01K7/01 ,  H01M2010/4271 ,  H01M2220/20

Abstract: A temperature measurement arrangement for a battery system includes: temperature sensing diodes in a grid and thermally connectable to battery cells of the battery system, a current supply portion, a voltage measurement portion, and a control portion. The grid has first lines and second lines electrically interconnected with the temperature sensing diodes. A forward direction of each temperature sensing diode pointing from the corresponding first line to the corresponding second line. The current supply portion including current supply connections that are, independently of each other, suppliable with electric current. The first lines are connected between the voltage measurement portion and the current supply portion, and the second lines are connected to the control portion. The control portion connects a selected second line to ground, and the temperature measurement arrangement determines a temperature of the corresponding first temperature sensing diodes by measuring voltages via the voltage measurement portion.

公开(公告)号：US20210218116A1

公开(公告)日：2021-07-15

申请号：US17137160

申请日：2020-12-29

Applicant: SAMSUNG SDI CO., LTD.

Inventor： Michael ERHART

IPC: H01M50/519 ,  H05K3/32 ,  H05K3/36 ,  H01M50/528 ,  H01M50/516 ,  H01M50/204 ,  H01M10/42

Abstract: A method for connecting a flexible printed circuit (FPC) to a battery module and a cell supervision circuit board (CSCB) is provided. The method includes: providing a coil of a continuous, strip-shaped FPC; unwinding a first section of the FPC from the coil, positioning the first section of the FPC over a first contact portion of the battery module, and welding a conductive structure of the FPC in the first section to the first contact portion of the battery module; unwinding a second section of the FPC from the coil, positioning the second section of the FPC over a contact pad of the CSCB, and welding the conductive structure of the FPC in the second section to the contact pad of the CSCB; and separating the first section and second section of the FPC from the coil of the FPC.

公开(公告)号：US20210098765A1

公开(公告)日：2021-04-01

申请号：US17033734

申请日：2020-09-26

Applicant: Samsung SDI Co., Ltd.

Inventor： Martin WEINBERGER ,  Ralph WUENSCHE ,  Michael ERHART

IPC: H01M2/20 ,  H01M2/04 ,  H01M10/643 ,  H01M10/6553 ,  H05K1/18

Abstract: A battery module includes: a plurality of aligned battery cells having differently-oriented surfaces; a cell supervision circuit (CSC) configured to receive signals corresponding to the voltage and/or temperature of at least one of the battery cells; and a flexible interconnector comprising a strip-shaped flexible printed circuit (FPC). The FPC includes a first insulating main surface, a second insulating main surface opposite the first insulating main surface, and a plurality of thermally and/or electrically conducting lines between the first insulating main surface and the second insulating main surface. Each of the conducting lines has a contact portion exposed by a contact aperture in the first insulating main surface and/or in the second insulating main surface and a connecting portion for connection to the CSC, and the flexible interconnector wraps around the battery cells such that the contact portions contact the differently-oriented surfaces of the battery cells.

公开(公告)号：US20240322266A1

公开(公告)日：2024-09-26

申请号：US18732247

申请日：2024-06-03

Applicant: Samsung SDI Co., Ltd.

Inventor： Michael ERHART ,  Wolfgang REINPRECHT

IPC: H01M10/42 ,  B60L58/12 ,  B60L58/18 ,  H01M10/48 ,  H05K1/02 ,  H05K1/18

CPC classification number: H01M10/425 ,  B60L58/12 ,  B60L58/18 ,  H01M10/482 ,  H01M10/486 ,  H05K1/028 ,  H05K1/181 ,  H01M2010/4271 ,  H01M2220/20 ,  H05K2201/10151

Abstract: A battery system includes: a plurality of battery units, each of the battery units including at least one battery cell, the at least one battery cell including a positive terminal, a negative terminal, and a cell case; and a flexible printed circuit (FPC) including a plurality of integrated circuits (ICs) configured for voltage measurement and temperature measurement. The ICs are interconnected by a wiring structure of the FPC. Each of the ICs is thermally connected to the cell case of the at least one of battery cell of each of the battery units via a contact element in the FPC and is electrically connected via the contact element to the positive terminal of the at least one battery cell of each of the battery units.

公开(公告)号：US20230299429A1

公开(公告)日：2023-09-21

申请号：US18322388

申请日：2023-05-23

Applicant: Samsung SDI Co., Ltd.

Inventor： Michael ERHART

IPC: H01M50/519 ,  H05K3/32 ,  H05K3/36 ,  H01M50/528 ,  H01M50/204 ,  H01M10/42 ,  H01M50/516

CPC classification number: H01M50/519 ,  H05K3/328 ,  H05K3/361 ,  H01M50/528 ,  H01M50/204 ,  H01M10/4257 ,  H01M50/516 ,  H01M2010/4271 ,  H05K2203/107 ,  H05K2203/1545

Abstract: A method for connecting a flexible printed circuit (FPC) to a battery module and a cell supervision circuit board (CSCB) is provided. The method includes: providing a coil of a continuous, strip-shaped FPC; unwinding a first section of the FPC from the coil, positioning the first section of the FPC over a first contact portion of the battery module, and welding a conductive structure of the FPC in the first section to the first contact portion of the battery module; unwinding a second section of the FPC from the coil, positioning the second section of the FPC over a contact pad of the CSCB, and welding the conductive structure of the FPC in the second section to the contact pad of the CSCB; and separating the first section and second section of the FPC from the coil of the FPC.

公开(公告)号：US20220006305A1

公开(公告)日：2022-01-06

申请号：US17480011

申请日：2021-09-20

Applicant: Samsung SDI Co., Ltd.

Inventor： Maximilian HOFER ,  Markus PRETSCHUH ,  Michael ERHART

IPC: H02J7/00 ,  H01M10/48 ,  G01R31/3842 ,  H01M10/42

Abstract: A control unit for a battery system includes a plurality of battery cells is provided. The control unit includes: an input node configured to receive a sensor signal indicative of a state of at least one of the plurality of battery cells; a microcontroller connected to the input node and configured to generate a first control signal based on the sensor signal; and a switch control circuit configured to control a power switch of the battery system by: receiving the sensor signal, the first control signal, and a fault signal indicative of an operational state of the microcontroller; generating a second control signal based on the sensor signal; and transmitting one of the first control signal and the second control signal to an output node of the control unit based on the received fault signal.

公开(公告)号：US20210372861A1

公开(公告)日：2021-12-02

申请号：US17328224

申请日：2021-05-24

Applicant: SAMSUNG SDI CO., LTD.

Inventor： Michael ERHART ,  Peter PARZ ,  Gernot KRABERGER

IPC: G01K7/24 ,  G01K3/06

Abstract: A monitoring system for monitoring the temperature of a battery module having a plurality of battery cells, the monitoring system including an electric network including a plurality of thermistors, wherein each of the thermistors is thermally connected to a battery cell, a monitoring device that is adapted to measure a total resistance (Rtot) of the electric network including the plurality of thermistors and is further adapted to generate a signal in case of detecting that the value of the total resistance (Rtot) of the electric network traverses a predetermined threshold resistance value, wherein the monitoring system is adapted to determine a mean temperature (Tamb) of the battery module independently from the measurement of the total resistance (Rtot) of the electric network, and wherein the predetermined threshold resistance value is dependent on the mean temperature (Tamb) of the battery module.