| CPC H01M 50/502 (2021.01) [H01M 10/425 (2013.01); H01M 50/204 (2021.01); H01M 50/531 (2021.01); H01M 50/543 (2021.01); H01M 2200/103 (2013.01); H01M 2220/20 (2013.01)] | 18 Claims |
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1. A battery assembly, comprising:
a battery column; and
a voltage collection assembly, disposed on one side of the battery column,
wherein the battery column comprises:
at least one first battery, wherein the first battery comprises a first electrode and a second electrode, a distance between the first electrode and the voltage collection assembly is greater than a distance between the second electrode and the voltage collection assembly, and the first electrode of the first battery is electrically connected to a case of the first battery, such that a potential of the first electrode is equal to a potential of the case of the first battery; and
wherein the voltage collection assembly comprises:
a first collection terminal, wherein the first collection terminal is electrically connected to the case of the first battery, and is configured to collect the potential of the first electrode through the case of the first battery; and
a second collection terminal, wherein the second collection terminal is connected to the second electrode, and is configured to collect a potential of the second electrode,
wherein the battery column further comprising:
at least one second battery, wherein the second battery is electrically connected to the first battery, the second battery comprises a third electrode and a fourth electrode, and a distance between the third electrode and the voltage collection assembly is greater than a distance between the fourth electrode and the voltage collection assembly,
wherein the second collection terminal is connected to the fourth electrode, and is configured to collect a potential of the fourth electrode,
the first battery further comprises a first battery main body, the first battery main body is a rectangular structure, and comprises two opposite first surfaces and four second surfaces surrounding the first surfaces, an area of each first surface is greater than an area of each second surface, and the first electrode and the second electrode are respectively disposed on the two opposite first surfaces; and
the second battery further comprises a second battery main body, the second battery main body is a rectangular structure, and comprises two opposite third surfaces and four fourth surfaces surrounding the third surfaces, an area of each third surface is greater than an area of each fourth surface, and the third electrode and the fourth electrode are respectively disposed on the two opposite third surfaces,
each first surface is equally divided into a first region, a second region, a third region, and a fourth region sequentially arranged along a first direction, a distance between the first region and the voltage collection assembly is greater than a distance between the fourth region and the voltage collection assembly, the first direction is parallel to a longer side of each first surface, the first electrode is disposed in the first region, and the second electrode is disposed in the fourth region; and
each third surface is equally divided into a fifth region, a sixth region, a seventh region, and an eighth region sequentially arranged along a second direction, a distance between the fifth region and the voltage collection assembly is greater than a distance between the eighth region and the voltage collection assembly, the second direction is parallel to a longer side of each third surfaces, the third electrode is disposed in the fifth region, and the fourth electrode is disposed in the eighth region.
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