Receiving element for pouch cells

Abstract

The invention relates to a receiving element (4) for mounting pouch cells, has a base body. The receiving element comprises a base body (5). With respect to an object of receiving the pouch cells securely and cost-effectively in a frame or housing, the receiving element is characterized in that the base body (5) is formed as a profile having a contact surface (5a) for contact against a sealing seam (2) of a pouch cell.

Description

Technical field

[0001] The invention relates to a receiving element for a pouch battery according to the preamble of claim 1. Background technique

[0002] For example, large-format battery systems based on lithium technology, such as lithium ion, lithium polymer, and lithium sulfur, can be used in a variety of applications. Usually a battery system includes 50 to 200 batteries. Thousands of batteries are also common in large-sized accumulators.

[0003] Usually 6 to 12 batteries are used for each module, and the number of batteries is mostly limited by the module voltage of 50V. Above 50V, the module is regarded as a high-voltage component.

[0004] The battery can exist in different implementation forms, namely, as a circular battery with a fixed metal casing, as a prismatic battery with a fixed metal casing, or as a soft pack battery with a flexible film casing. The soft pack battery has obvious advantages over the battery structure with a fixed metal casing.

[0005] Because t...

Examples

Embodiment Construction

[0067] figure 1 A schematic diagram shows a soft-pack battery, that is, a galvanic battery with a flexible casing. The soft-pack battery includes an actual battery body 1 and a surrounding sealing seam 2. An electrode-separator layer structure is provided on the body of the battery. The upper and lower decorative films in the area of ​​the sealing seam are welded to each other, and include a discharge terminal 3 extending from the battery between the cover films and additionally sealed with a film. Here, the discharge terminals 3 may protrude from the housing on the same side surface, or may also be located on different sides.

[0068] During the operation of the battery, that is, during charging and / or discharging, the thickness of the battery body 1 usually varies between the charged and discharged states by 5% to 10%. In addition, aging batteries are about 5% thicker than new batteries. Therefore, an aged and charged battery is about 10% to 15% thicker than a new and uncharge...

Technical field

[0001] The invention relates to a receiving element for a pouch battery according to the preamble of claim 1. Background technique

[0002] For example, large-format battery systems based on lithium technology, such as lithium ion, lithium polymer, and lithium sulfur, can be used in a variety of applications. Usually a battery system includes 50 to 200 batteries. Thousands of batteries are also common in large-sized accumulators.

[0003] Usually 6 to 12 batteries are used for each module, and the number of batteries is mostly limited by the module voltage of 50V. Above 50V, the module is regarded as a high-voltage component.

[0004] The battery can exist in different implementation forms, namely, as a circular battery with a fixed metal casing, as a prismatic battery with a fixed metal casing, or as a soft pack battery with a flexible film casing. The soft pack battery has obvious advantages over the battery structure with a fixed metal casing.

[0005] Because t...

Examples

Embodiment Construction

[0067] figure 1 A schematic diagram shows a soft-pack battery, that is, a galvanic battery with a flexible casing. The soft-pack battery includes an actual battery body 1 and a surrounding sealing seam 2. An electrode-separator layer structure is provided on the body of the battery. The upper and lower decorative films in the area of ​​the sealing seam are welded to each other, and include a discharge terminal 3 extending from the battery between the cover films and additionally sealed with a film. Here, the discharge terminals 3 may protrude from the housing on the same side surface, or may also be located on different sides.

[0068] During the operation of the battery, that is, during charging and / or discharging, the thickness of the battery body 1 usually varies between the charged and discharged states by 5% to 10%. In addition, aging batteries are about 5% thicker than new batteries. Therefore, an aged and charged battery is about 10% to 15% thicker than a new and uncharge...

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