电池模组及浸没式储能装置

Abstract

本实用新型涉及储能设备技术领域，尤其涉及电池模组及储能装置。该储能装置内的电池模组包括电芯、底托板以及围框结构，底托板与围框结构共同围成容纳腔，多个电芯在水平面内沿第一方向依次堆叠在容纳腔内，围框结构沿第二方向的一侧壁具有用于容纳浸没液的传输腔室，传输腔室沿第二方向靠近电芯的一端开设有第一通孔，围框结构沿第二方向的另一侧壁开设有第二通孔；或，围框结构沿第二方向的两侧均具有用于容纳浸没液的传输腔室，每个传输腔室沿第二方向靠近电芯的一端开设第一通孔，使浸没液能够从容纳腔沿第二方向的一端流入容纳腔内并沿第二方向流动至容纳腔的另一端排出，提高浸没液与电芯的接触面积，提高换热效率与换热效果。

Claims

1. A battery module, characterized by, include: Battery cell (600); Base plate (100); The frame structure, the bottom support plate (100) and the frame structure together form a receiving cavity, and a plurality of the battery cells (600) are stacked sequentially in the receiving cavity along a first direction in the horizontal plane; The frame structure has a transmission chamber (210) for containing immersion liquid on one side wall along the second direction. The transmission chamber (210) has a first through hole (211) at one end along the second direction near the cell (600). The frame structure has a second through hole (310) on the other side wall along the second direction. Alternatively, the frame structure has a transmission chamber (210) for containing immersion liquid on both sides along the second direction, and each of the transmission chambers (210) has a first through hole (211) at one end along the second direction near the cell (600), and the first direction and the second direction are both parallel to the horizontal plane and perpendicular to each other.

2. The battery module of claim 1, wherein, A channel (610) extending along the second direction is formed between each pair of adjacent cells (600), and the transmission chamber (210) is provided with a plurality of first through holes (211) at one end of the cell (600) along the second direction; One channel port of each of the channels (610) along the second direction is directly opposite at least one of the first through holes (211).

3. The battery module of claim 2, wherein, The frame structure has a plurality of second through holes (310) on the other side wall along the second direction along the first direction; or, both of the transmission chambers (210) have a plurality of first through holes (211) at one end along the second direction near the battery cell (600); Each of the channels (610) has another channel port along the second direction that is directly opposite at least one first through hole (211) or at least one second through hole (310).

4. The battery module according to any one of claims 1 to 3, characterized in that The transmission chamber (210) is provided with an exchange port (212), which is configured to communicate with the output end of the cycle drive.

5. The battery module of claim 4, wherein, The enclosure structure has a turbulence plate (220) disposed in the transmission chamber (210) and located at one end near the exchange port (212). The turbulence plate (220) is used to receive the immersion liquid that is input into the transmission chamber (210) along the exchange port (212).

6. The battery module according to any one of claims 1 to 3, characterized in that The frame structure includes: A first plate (200) and a second plate (300) are arranged opposite to each other along the second direction. Either the first plate (200) or the second plate (300) has the transmission chamber (210) and the first through hole (211), and the other has the second through hole (310). The third plate (400) and the fourth plate (500) are arranged opposite to each other along the first direction. The first plate (200), the second plate (300), the third plate (400), and the fourth plate (500) are detachably fixed together and respectively detachably fixed to the bottom support plate (100).

7. The battery module according to any one of claims 1 to 3, characterized by The length direction of the battery cell (600) located within the receiving cavity is parallel to the second direction; The width direction of the battery cell (600) located within the receiving cavity is parallel to the vertical direction; The thickness direction of the battery cell (600) located within the receiving cavity is perpendicular to the first direction.

8. The battery module according to claim 2, characterized in that, The battery module also includes: A gasket (700) is provided between each pair of adjacent cells (600) stacked sequentially along the first direction. The end face of the cell (600) extending along the second direction includes a first region and a second region. The first region is configured to be fixedly connected to the gasket (700), and the second region is configured to form the channel (610).

9. The battery module according to any one of claims 1 to 3, characterized in that With multiple battery cells (600) stacked sequentially in the receiving cavity along the first direction, the frame structure can apply a preload force of a preset value along the first direction to the battery cells (600).

10. Submerged energy storage device, characterized by The device includes a cabinet, a circulation drive, a heat exchange assembly, and a plurality of battery modules as described in any one of claims 1 to 9. The cabinet has a storage cavity in which the immersion liquid and the plurality of battery modules are housed. The heat exchange assembly is configured to cool or heat the immersion liquid. The input end of the circulation drive is connected to the heat exchange assembly, and the output end of the circulation drive is simultaneously connected to a transmission chamber (210) within each of the battery modules. The circulation drive is configured to drive the immersion liquid to circulate between the storage cavity and the heat exchange assembly.

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