Cps Technology Holdings LLC

Johnson Controls Technology Company

Clarios Advanced Solutions Gmbh

Jennifer L Czarnecki

Richard M DeKeuster

Robert J Mack

Jason Daniel Fuhr

Xugang Zhang

Matthew Russell Tyler

Dale B Trester

Christopher M Bonin

Jonathan Paul Lobert

Chang Liu

Martin Wiegmann

Binbin Fan

Yingyao Fu

Liang Cheng

Ken Nakayama

Wei Qu

Peng Song

John P Dinkelman

Nicholas E Elison

Edward J Soleski

Marco Jansen

Mark R Johnson

Joerg Birkholz

Abed Al Fattah Isam Shafie

Rengaraj Balakrishnan

Abed Ai Fattah Isam Shafie

Jonathan P Lobart

A battery module includes electrochemical cells having an electrochemical cell with a terminal end. The battery module also includes a bus bar carrier configured to interface bus bars with terminals of the electrochemical cells and having a window. The battery module also includes a flex circuit disposed on the bus bar carrier, and a temperature sensor welding tab of the flex circuit. The temperature sensor welding tab includes a circuit engagement region coupled to the flex circuit, a welding region coupled to the terminal end of the first electrochemical cell, and a transverse region extending through the window of the bus bar carrier and between the circuit engagement region and the welding region.

Battery module having a sensor welding tab

The present disclosure provides a battery pack including a housing, wherein the housing has a bottom portion and side walls extending upward around a periphery of the bottom portion; an upper portion opening is formed at top ends of the side walls extending upward; an upper cover is mounted on the upper portion opening of the housing; and the battery pack comprises: multiple flat battery cells; and a first end plate and a second end plate, wherein when the multiple battery cells are sequentially arranged and mounted into the housing from the upper portion opening, the first end plate and the second end plate are located at two end sides of the sequentially arranged multiple battery cells to laterally fix the sequentially arranged multiple battery cells. The two end plates may absorb deformation of the battery cell while expanding.

Battery pack with two end plates

The present disclosure provides a battery pack for a hybrid vehicle. The battery pack includes: multiple battery cells, a housing, a first end plate, a second end plate, a bearing plate and an upper cover, wherein the housing is provided with a bottom portion and side walls extending from the periphery of the bottom portion and forming an upper portion opening; the housing is configured for accommodating the multiple battery cells and the two end plates, when the multiple battery cells are sequentially arranged and mounted into the housing, the first end plate and the second end plate are located at two end sides of the sequentially arranged multiple battery cells to laterally fix the multiple battery cells; the bearing plate is mounted above the top portions of the multiple battery cells; and the upper cover is mounted above the housing to cover the upper portion opening of the housing.

Battery pack

A battery module includes a housing including a first interior surface, a second interior surface opposite the first interior surface, and a cell assembly disposed within an interior space of the housing between the first and second interior surfaces. The cell assembly includes a plurality of prismatic battery cells arranged in a cell stack that includes a first end, and a second end opposite the first end. A wall is disposed between the first end of the cell stack and one of the interior surfaces of the housing. The wall includes a first surface in contact with the first end of the cell stack and a second surface opposite the first surface.

Battery module having a cell assembly

The present disclosure includes a battery module having a stack of electrochemical cells that includes terminals, a housing that receives the stack of electrochemical cells, and a bus bar carrier disposed over the stack of electrochemical cells such that bus bars disposed on the bus bar carrier interface with the terminals of the stack of electrochemical cells.

Battery module bus bar carrier having guide extensions system and method

The present disclosure relates to a battery module having a housing and a stack of battery cells disposed in a receptacle area of the housing, where each battery cell has a top having a battery cell terminal and a bottom, where the top of the battery cells face outwardly away from the receptacle area. The battery module includes an integrated sensing and bus bar subassembly positioned against the stack of battery cells and has a carrier, a bus bar integrated onto the carrier, and a biasing member integrated onto the carrier. The bus bar electrically couples battery cells in an electrical arrangement, and the biasing member is between the top of each battery cell and the carrier, where the biasing member has a first material, more compliant than a second material of the carrier, and the biasing member biases the stack of battery cells inwardly toward the housing.

Biasing features for a battery module

Present embodiments include a lithium ion battery module having a lineup of prismatic lithium ion battery cells positioned within a cell receptacle area of a housing of the lithium ion battery module. The prismatic battery cells of the lineup are spaced apart from one another in a spaced arrangement by fixed protrusions extending from internal surfaces of the housing forming the cell receptacle area, and the fixed protrusions extend inwardly to form a plurality of discontinuous slots across a width of the cell receptacle area.

Free floating battery cell assembly techniques for lithium ion battery module

The present disclosure includes a battery module having a stack of electrochemical cells that includes terminals, a housing that receives the stack of electrochemical cells, and a bus bar carrier disposed over the stack of electrochemical cells such that bus bars disposed on the bus bar carrier interface with the terminals of the stack of electrochemical cells. The bus bar carrier includes opposing first and second guide extensions, the stack of electrochemical cells is disposed between the opposing first and second guide extensions, and the opposing first and second guide extensions physically contact a first outer electrochemical cell and a second outer electrochemical cell, respectively, of the stack of electrochemical cells to guide the terminals of the stack of electrochemical cells toward corresponding ones of the bus bars disposed on the bus bar carrier.

The present disclosure relates to a stacked cell manufacturing scheme for battery modules. A disclosed method of manufacturing a battery module includes assembling a plurality of prismatic battery cells of the battery module into a cell stack. The method includes compressing the cell stack using an actuating clamping mechanism, inserting the cell stack into a housing of the battery module with the actuating clamping mechanism engaged with and compressing the cell stack, and removing the actuating clamping mechanism from the cell stack. The housing of battery module maintains a compression of the cell stack above a predetermined threshold in the battery module after removing the actuating clamping mechanism.

Battery module compressed cell assembly

The present disclosure includes a battery module that includes a housing having a stack of battery cells. Each battery cell of the stack of battery cells includes a terminal end having at least one cell terminal and a face oriented transverse to the terminal end. The battery module also includes adhesive tape disposed between a first face of a first battery cell of the stack of battery cells and a second face of a second battery cell of the stack of battery cells, and where the adhesive tape fixedly couples the first battery cell to the second battery cell, and where a first terminal end of the first battery cell is substantially aligned with a second terminal end of the second battery cell.

Adhesive tape for positioning battery cells in a battery module

The present disclosure includes a battery module having a first electrochemical cell and a second electrochemical cell positioned adjacent to the first electrochemical cell. The battery module also includes a separator plate disposed between the first electrochemical cell and the second electrochemical cell. The separator plate includes a body comprising a first side and a second side opposite the first side. The first side is disposed adjacent a first face of the first electrochemical cell and includes a first indention. The first indention defines a first space between the first face of the first electrochemical cell and the first side of the separator plate. The first space is configured to enable swelling of the first electrochemical cell into the first space.

Battery module separator plates

Lithium ion battery module with free floating prismatic battery cells

The present disclosure relates to a battery module that includes a stack of battery cells disposed in a housing, where each battery cell of the stack of battery cells has a terminal, and a bus bar having a body and an indicator disposed on the body, where the bus bar is configured to couple a first terminal of a first battery cell of the stack of battery cells to a second terminal of a second battery cell of the stack of battery cells. The battery module also includes a sensing component disposed on the indicator and configured to monitor a condition of at least one battery cell of the stack of battery cells and a weld physically and electrically coupling the sensing component to the bus bar.

Growing community of inventors

Franklin, WI, United States of America

Jennifer L Czarnecki