Robert Boschgmbh

Roman Marx

Markus Schmitt

Benjamin Kopp

Christian Loew

Frank Gottwald

Stefan Baumann

Ionut Marian Lica

Matthias Oechsle

Martin Kassner

A battery module having a multiplicity of battery cells (), in particular rechargeable lithium-ion battery cells that each have a battery cell housing (), comprising a side surface that surrounds the inside of the cell, a bottom and a top surface, wherein the side surface and/or the bottom surface of the battery cell housings () are/is in physical contact with an electrical resistive heater ().

Heated battery module

A battery module having a multiplicity of battery cells in thermally conductive contact with an electrical resistive heating element that comprises an electrical resistive heating wire, wherein a first area of the heating element comprises an electrical resistive heating wire with a first cross section, which is in thermally conductive contact with a first outer surface region of battery cells, and wherein a second area of the heating element, which has a resistive heating wire with a second cross section different from the first cross section, is in thermally conductive contact with a second outer surface region of battery cells, and/or wherein the resistive heating element has a first area with a first laying density of electrical resistive heating wire that is in thermally conductive contact with first outer surface regions of battery cells and comprises a second area that has a second laying density, different from the first laying density, of the electrical resistive heating wire and is in thermally conductive contact with second outer surface regions of battery cells.

Battery module having electrically resistive heating element including electrically resistive heating wire

A battery (), in particular a lithium-ion battery, having: a plurality of battery cells (), which are assembled to form a cell stack and are received in a housing (), wherein the battery cells () are bonded to the base () of the cell housing () by a heat conductive bonding material (TIM), a plurality of spacer elements (), wherein a spacer element () of the plurality of spacer elements () is arranged in each case between two adjacent battery cells () of the plurality of battery cells (), two end plates (), which delimit the cell stack at the ends, wherein the end plates () are connected by at least one tensioning band (), wherein the at least one tensioning band () at least partially surrounds the cell stack circumferentially. To this end, it is provided according to the invention that the at least one tensioning band () is bonded to the side walls of the battery cell () by a band bonding material.

Battery including tensioning band bonded to side walls of battery cells by band bonding material

A battery module with a plurality of battery cells is disclosed, comprising a first temperature control member and second temperature control member, which are connected together directly thermally conductively in places, wherein the plurality of battery cells is connected directly thermally conductively with the second temperature control member and at least one switchably configured Peltier element connected thermally conductively with the first temperature control member and the second temperature control member is arranged between the first temperature control member and the second temperature control member, wherein a control device is configured to drive the at least one Peltier element in such a way that, when switched on, the at least one Peltier element transfers heat from the second temperature control member to the first temperature control member or heat from the first temperature control member to the second temperature control member.

Temperature control for a battery module and method for operating such

A battery module having a plurality of battery cells (), in particular lithium-ion battery cells () which in a longitudinal direction () of the battery module () are disposed so as to be mutually adjacent, and the plurality of battery cells () are mutually braced by means of a tensioning element (), wherein a thermal compensation element () is disposed between a battery cell () and the tensioning element (), and the tensioning element (), on a side of the tensioning element () that faces away from the battery cell (), is connected to a heating element ().

Battery module

A battery module having at least one battery cell is disclosed, in particular a lithium-ion battery cell, comprising a housing, in which the at least one battery cell is accommodated, and a temperature-regulating element, wherein a Peltier element is furthermore arranged between the at least one battery cell and the temperature-regulating element, which Peltier element is thermally conductively connected in each case to the at least one battery cell and the temperature-regulating element, and which Peltier element is furthermore connected to a voltage source in such a way that heat transfer between the at least one battery cell and the temperature-regulating element is able to be formed by means of the Peltier element, wherein a compensation element for homogenizing the temperature, said compensation element being formed from a metallic material, is furthermore arranged between the at least one battery cell and the Peltier element, wherein preferably the at least one battery cell is directly or cohesively connected to the compensation element.

Growing community of inventors

Moensheim, Germany

Roman Marx