Patent ID: 11888123
Assignee: NINGDE AMPEREX TECHNOLOGY LIMITED
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC H  Y | IPC H

Claim 0:
1. A battery, comprising:
a packaging casing;
an electrolytic solution in the packaging casing; and
a battery cell, the battery cell comprising: an anode electrode plate, a cathode electrode plate, and a separator disposed between the anode electrode plate and the cathode electrode plate,
each of the anode electrode plate and the cathode electrode plate comprising:
a current collector comprising a first side and a second side opposite to each other, and a first surface and a second surface opposite to each other;
a first active material layer disposed on the first surface;
a second active material layer disposed on the second surface, a polarity of the second active material layer being the same as a polarity of the first active material layer;
a plurality of first electrode tabs coupled to the current collector and protruding out of the first side; and
a plurality of second electrode tabs coupled to the current collector and protruding out of the second side;
the current collector of the cathode electrode plate comprises a first cathode end and a second cathode end opposite to each other, the first active material layer of the cathode electrode plate comprises a first cathode end surface and a second cathode end surface opposite to each other, the second active material layer of the cathode electrode plate comprises a third cathode end surface and a fourth cathode end surface opposite to each other; the current collector of the anode electrode plate comprises a first anode end and a second anode end opposite to each other, the first active material layer of the anode electrode plate comprises a first anode end surface and a second anode end surface opposite to each other, the second active material layer of the anode electrode plate comprises a third anode end surface and a fourth anode end surface opposite to each other;
wherein the first active material layer of the cathode electrode plate and the second active material layer of the cathode electrode plate are misaligned from each other at the second cathode end; the first active material layer of the anode electrode plate and the second active material layer of the anode electrode plate are misaligned from each other at the first anode end;
a distance between the first cathode end surface and the first cathode end is smaller than a distance between the second cathode end surface and the second cathode end, a distance between the third cathode end surface and the first cathode end is smaller than a distance between the fourth cathode end surface and the second cathode end, the distance between the second cathode end surface and the second cathode end is greater than the distance between the fourth cathode end surface and the second cathode end;
a distance between the first anode end surface and the first anode end is smaller than a distance between the third anode end surface and the first anode end, the distance between the first anode end surface and the first anode end is greater than a distance between the second anode end surface and the second anode end, the distance between the third anode end surface and the first anode end is greater than a distance between the fourth anode end surface and the second anode end.