ENERGY ACCUMULATOR MODULE
An energy storage module having a plurality of stacked flat cells. The energy storage module has an interconnection formed in such a way that the energy storage module can be connected mechanically, electrically and/or for exchanging coolant with at least one other energy storage module of the same kind.
1 . An energy storage module comprising a plurality of stacked flat cells ( 12 ), wherein the energy storage module has interconnection means ( 20 , 40 , 42 , 42 ′) formed in such a way that the energy storage module can be connected mechanically, electrically and/or for exchanging coolant with at least one other energy storage module of the same kind.
2 . The energy storage module according to claim 1 ,
wherein the energy storage module at a first end face side has first mechanical, electrical and/or coolant interconnection means ( 20 , 40 , 42 , 42 ′), wherein the energy storage module at a second end face side opposing the first end face side has second mechanical, electrical and/or coolant interconnection means ( 20 , 40 , 42 , 42 ′), respectively, and wherein the first interconnection means ( 20 , 40 , 42 , 42 ′) and the second interconnection means ( 20 , 40 , 42 , 42 ′) are arranged at symmetrical positions with respect to one another and formed in mutually complementary shapes.
3 . The energy storage module according to claim 1 ,
wherein the flat-cell stack ( 12 ) is held together by a fixing arrangement ( 28 , 30 ) comprising two pressure plates ( 28 ), which are associated with opposing end face sides of the flat-cell stack ( 12 ′) and connected to one another by means of at least one resilient element ( 30 ).
4 . The energy storage module according to claim 3 ,
wherein each of the pressure plates ( 28 ) has at least one attachment flange ( 40 ), by means of which the energy storage module can be attached to another energy storage module of the same kind.
5 . The energy storage module according to claim 4 ,
wherein at least one first resilient element ( 30 ) extends along a first longitudinal side of the flat-cell stack ( 12 ′) between the two pressure plates ( 28 ), wherein at least one second resilient element ( 30 ) extends along a second longitudinal side of the flat-cell stack ( 12 ′) between the two pressure plates ( 28 ), wherein the first resilient element ( 30 ) and the second resilient element ( 30 ) are preferably arranged at complementary positions with respect to one another, in particular at different heights.
6 . The energy storage module according to claim 5 ,
wherein the pressure plates ( 28 ) have attachment segments ( 32 , 32 ′) arranged at two opposing sides for attaching the resilient elements ( 30 ), wherein the attachment segments ( 32 , 32 ′) protrude, in the plane of the respective pressure plate ( 28 ), beyond the pressure plate ( 28 ) and the flat-cell stack ( 12 ′), wherein the attachment segments ( 32 , 32 ′) are arranged at complementary positions with respect to one another.
7 . The energy storage module according to claim 1 ,
wherein at least some of the interconnection means ( 20 , 40 , 42 , 42 ′) are plug-in connectors, which are detachable.
8 . The energy storage module according to claim 1 ,
wherein the energy storage module has a connection unit ( 18 ) which interconnects the flat cells ( 12 ) at least electrically and is formed in particular as a plate extending in a plane perpendicular to the respective extension plane of the flat cells ( 12 ).
9 . The energy storage module according to claim 8 ,
wherein electrical interconnection means ( 20 ) are arranged at the connection unit ( 18 ), wherein the electrical interconnection means ( 20 ) are formed as a plug and a socket, respectively.
10 . The energy storage module according to claim 1 ,
wherein the energy storage module has at least one coolant duct ( 26 ) opening into a coolant inlet ( 42 , 42 ′) at a first end face side of the energy storage module and into a coolant outlet ( 42 ′ and 42 , respectively) at a second end face side of the energy storage module.
11 . The energy storage module according to claim 10 ,
wherein the coolant duct ( 26 ) extends either perpendicularly or in parallel to the flat cells ( 12 ).
12 . The energy storage module according to claim 1 ,
wherein cooling elements ( 22 ) are arranged between the flat cells ( 12 ).
13 . An energy storage unit comprising at least two energy storage modules ( 10 , 10 ′, 10 ″) each comprising a plurality of stacked flat cells ( 12 ), wherein the energy storage module has interconnection means ( 20 , 40 , 42 , 42 ′) formed in such a way that the energy storage module can be connected mechanically, electrically and/or for exchanging coolant with at least one other energy storage module of the same kind.
14 . The energy storage unit according to claim 13 ,
wherein three energy storage modules ( 10 , 10 ′, 10 ″) are provided which can be arranged in a two-dimensional or three-dimensional matrix.
15 . The energy storage unit according to claim 13 ,
wherein at least one adapter means is provided for connecting at least two energy storage modules ( 10 , 10 ′, 10 ″) to one another.
16 . The energy storage unit according to claim 13 ,
wherein the flat-cell stacks ( 12 ) of the energy storage modules ( 10 , 10 ′, 10 ″) are arranged in a row and functionally coupled to one another are arranged one after another.
17 . The energy storage unit according to claim 13 ,
wherein the flat-cell stacks ( 12 ′) of energy storage modules ( 10 , 10 ′, 10 ″) arranged in a row and functionally coupled to one another are arranged side by side.
18 . The energy storage unit according to claim 13 , wherein each of the energy storage modules ( 10 , 10 ′, 10 ″) have a flat-cell stack wherein the flat-cell stack ( 12 ) is held together by a fixing arrangement ( 28 , 30 ) comprising two pressure plates ( 28 ), which are associated with opposing end face sides of the flat-cell stack ( 12 ′) and connected to one another by means of at least one resilient element ( 30 ), wherein the pressure plates ( 28 ) of the two energy storage modules ( 10 , 10 ′, 10 ″) are coupled mechanically to one another.
19 . The energy storage unit according to claim 18 , wherein the pressure plates ( 28 ) have attachment segments ( 32 , 32 ′) arranged at two opposing sides for attaching the resilient elements ( 30 ), wherein the attachment segments ( 32 , 32 ′) protrude, in the plane of the respective pressure plate ( 28 ), beyond the pressure plate ( 28 ) and the flat-cell stack ( 12 ′), wherein the attachment segments ( 32 , 32 ′) are arranged at complementary positions with respect to one another.