Battery pack including circuit board assembly having first circuit board connected to terminals and second circuit board connected to first circuit board

摘要

A battery pack including a plurality of battery cells, each including an electrode terminal; and a circuit board assembly including: a first circuit board electrically connecting the electrode terminals of adjacent battery cells of the plurality of battery cells; a second circuit board electrically connected to the first circuit board; and a connection wire electrically connected between the second circuit board and the first circuit board.

主权项

1. A battery pack comprising:
a plurality of battery cells that are arranged along a direction between opposite ends of the plurality of battery cells, each of the battery cells comprising an electrode terminal protruding from a surface of the respective battery cell; and a circuit board assembly comprising:
a plurality of first circuit boards, each comprising an insulative base board and a conductive bus pattern electrically connecting the electrode terminals of a respective pair of adjacent battery cells of the plurality of battery cells, and each of the plurality of first circuit boards facing the surfaces of the battery cells from which the electrode terminals protrude;a second circuit board electrically connected to the plurality of first circuit boards, the second circuit board facing the surfaces of the battery cells from which the electrode terminals protrude and extending in the direction along which the battery cells are arranged; anda connection wire electrically connected between the second circuit board and a first circuit board of the plurality of first circuit boards, wherein first circuit boards of the plurality of first circuit boards are arranged at opposite sides of the second circuit board.