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公开(公告)号：US20200020992A1
公开(公告)日：2020-01-16
申请号：US16367015
申请日：2019-03-27
Applicant: Samsung SDI Co., Ltd.
Inventor： Maximilian HOFER , Markus PRETSCHUH , Michael ERHART
IPC: H01M10/48 , G01R31/3842 , H02J7/00 , 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.
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公开(公告)号：US20250132436A1
公开(公告)日：2025-04-24
申请号：US18655105
申请日：2024-05-03
Applicant: SAMSUNG SDI CO., LTD.
Inventor： Michael ERHART
IPC: H01M50/242 , H01M10/613 , H01M10/6556 , H01M50/249
Abstract: A battery system includes: a battery pack including a housing and a plurality of battery cells accommodated within the housing; an underbody protection structure; a cooler connected to and arranged between the battery cells and the underbody protection structure; and a pressure detection device. The cooler includes a cooling channel and a pressure detection channel separated from the cooling channel, and both the cooling channel and the pressure detection channel being arranged inside the cooler. The pressure detection device includes a pressure sensor connected to the pressure detection channel and configured to detect an underbody contact or impact event by monitoring a pressure in the pressure detection channel.
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公开(公告)号：US20240106083A1
公开(公告)日：2024-03-28
申请号：US18525571
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.
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公开(公告)号：US20210305634A1
公开(公告)日：2021-09-30
申请号：US17214447
申请日：2021-03-26
Applicant: Samsung SDI Co., Ltd.
Inventor： Michael ERHART , Wolfgang REINPRECHT
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.
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公开(公告)号：US20200065640A1
公开(公告)日：2020-02-27
申请号：US16539882
申请日：2019-08-13
Applicant: Samsung SDI Co., Ltd.
Inventor： Michael ERHART
IPC: G06K19/07 , G06K19/077
Abstract: A battery module includes: a plurality of battery cells; a printed circuit board arranged within a short distance to the battery cells; a passive radio frequency identification tag; and a radio frequency receiver on the printed circuit board. The radio frequency identification tag is attached to at least one of the battery cells and is configured to measure a temperature of the at least one battery cell to which it is attached. The radio frequency identification tag is configured to harvest energy supplied by the radio frequency receiver and to wirelessly send temperature signals corresponding to the temperature of the at least one battery cell within an operating range limited to the short distance. The radio frequency receiver is configured to wirelessly supply energy to the radio frequency identification tag and to receive the temperature signal sent by the radio frequency identification tag.
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Patent Agency Ranking
公开(公告)号：US20250015443A1
公开(公告)日：2025-01-09
申请号：US18887798
申请日：2024-09-17
Applicant: Samsung SDI Co., Ltd.
Inventor： Martin WEINBERGER , Ralph WUENSCHE , Michael ERHART
IPC: H01M50/502 , H01M10/643 , H01M10/6553 , H01M50/15 , 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.
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公开(公告)号：US20230344038A1
公开(公告)日：2023-10-26
申请号：US18304851
申请日：2023-04-21
Applicant: SAMSUNG SDI CO., LTD.
Inventor： Michael ERHART
IPC: H01M10/6568 , H01M50/209 , H01M10/658 , H01M50/293 , H01M10/48 , H01M10/63
CPC classification number: H01M10/6568 , H01M50/209 , H01M10/658 , H01M50/293 , H01M10/482 , H01M10/63 , H01M2010/4271
Abstract: A battery system includes a plurality of cell rows, each including a plurality of cells arranged along a first direction; a plurality of cooler beams; and a channel system including a plurality of main channels, each being configured to guide a coolant. Each of the cell rows is sub-divided into a plurality of blocks, and in each block, the front side positively abuts the second side of one cooler beam and/or the rear side positively abuts the first side of another cooler beam. For each of the cooler beams, one of the main channels is integrated therein and is thermally connected thereto.
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公开(公告)号：US20210359374A1
公开(公告)日：2021-11-18
申请号：US17316549
申请日：2021-05-10
Applicant: Samsung SDI Co., Ltd.
Inventor： Wolfgang REINPRECHT , Matthias PUCHER , Miran KOJC , Michael ERHART
IPC: H01M50/358 , B60K1/04 , H01M50/209
Abstract: A battery system includes: battery cells; and a battery housing including: a chamber between a bottom cover and a top cover of the battery housing; and at least one sidewall member connecting the bottom cover and the top cover to each other, the at least one sidewall member extending along an outer boundary of the chamber, and including: a channel inside the sidewall member; and apertures connecting the chamber with the channel, the apertures being located at a top half of the channel such that at least a bottom half of the channel is for collecting solid matter. The battery system vents a venting gas of a thermal runaway from at least one of the battery cells by directing the venting gas along at least one venting path leading from the chamber, through at least one of the apertures and the channel, and to an environment of the battery system.
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公开(公告)号：US20200264245A1
公开(公告)日：2020-08-20
申请号：US16742003
申请日：2020-01-14
Applicant: Samsung SDI Co., Ltd.
Inventor： Michael ERHART
Abstract: A battery management unit for a battery system with a conductor or a busbar, the battery management unit including a printed circuit board, and a fluxgate current sensor including a magnetic core having a through-hole, at least one excitation winding, at least one compensation winding, and a sensor circuit configured to measure a magnetization of the at least one excitation winding, to generate a driving signal for driving the at least one compensation winding, to generate a current flowing through the at least one compensation winding according to the driving signal, and to generate an output signal corresponding to a magnitude of an electric current flowing through the through-hole of the magnetic core, wherein the magnetic core, the at least one excitation winding, the at least one compensation winding, and the sensor circuit are each integrated into the printed circuit board.
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公开(公告)号：US20200185681A1
公开(公告)日：2020-06-11
申请号：US16706494
申请日：2019-12-06
Applicant: Samsung SDI Co., Ltd.
Inventor： Michael ERHART
Abstract: A battery module includes: a plurality of aligned battery cells, each of the battery cells including a cell case, a cap assembly on the cell case, a negative cell terminal, and a positive cell terminal; a plurality of busbars over the cap assemblies, each of the busbars electrically connecting the cell terminals of at least two of the battery cells to each other; and a cell supervision circuit carrier configured to accommodate a cell supervision circuit, the cell supervision circuit carrier comprising a connector configured to establish data communication with the cell supervision circuit. The cell supervision circuit carrier electrically connects the cell supervision circuit to the negative cell terminal of one of the battery cells and to the cell cases of at least some of the other battery cells from among the plurality of battery cells.
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