Battery
An outer edge of a negative electrode ( 200 ) covered with a first adhesive member ( 410 ) is substantially aligned with an outer edge of a positive electrode ( 100 ) covered with the first adhesive member ( 410 ) in a direction from a stacked body ( 10 ) toward the first adhesive member ( 410 ) or a direction from the first adhesive member ( 410 ) toward the stacked body ( 10 ). Specifically, the outer edge of the negative electrode ( 200 ) covered with the first adhesive member ( 410 ) is positioned within a distance equal to or more than 0% and equal to or less than 200% of a thickness of the negative electrode ( 200 ) from the outer edge of the positive electrode ( 100 ) covered with the first adhesive member ( 410 ) in the above direction.
1 . A battery comprising:
a stacked body including a plurality of first electrodes, a plurality of second electrodes each having an area larger than that of each of the plurality of first electrodes, and a separator separating adjacent first and second electrodes from each other, each of the plurality of first electrodes and each of the plurality of second electrodes being alternately arranged in a predetermined direction, the stacked body including a first side surface located on a first orthogonal direction orthogonal to the predetermined direction, wherein a tab connected to the first electrode or the second electrode is drawn from the first side surface; and
a first adhesive member provided on the first side surface of the stacked body, wherein
the first electrode includes a first outer edge that is covered with the first adhesive member and that is located on the first orthogonal direction,
the second electrode includes a second outer edge that is covered with the first adhesive member and that is located on the first orthogonal direction, and
the second outer edge of the second electrode is positioned within a distance equal to or more than 0% and equal to or less than 200% of a thickness of one of the plurality of second electrodes from the first outer edge of the first electrode in the first orthogonal direction.
2 . The battery according to claim 1 , wherein
the stacked body includes a second side surface located opposite to the first side surface, a third side surface located on one side of a second orthogonal direction orthogonal to the predetermined direction and the first orthogonal direction, and a fourth side surface located on the other side of the second orthogonal direction, and
a length of the stacked body from the first side surface to the second side surface is longer than a length of the stacked body from the third side surface to the fourth side surface.
3 . The battery according to claim 1 , wherein
the separator is folded and extends between adjacent first and second electrodes.
4 . The battery according to claim 1 , wherein
the separator includes a ceramic.
5 . The battery according to claim 3 , wherein
a tab connected to the first electrode is positioned on one of the first side surface or the second side surface, and
a tab connected to the second electrode is positioned on another of the first side surface or the second side surface.
6 . The battery according to claim 3 , further comprising
a second adhesive member provided on at least one of the third side surface or the fourth side surface of the stacked body.
7 . The battery according to claim 1 , wherein
the first electrode is a positive electrode, and the second electrode is a negative electrode.
8 . The battery according to claim 1 , wherein
the second outer edge of the second electrode is positioned within a distance equal to 0% of the thickness of the one of the plurality of second electrodes from the first outer edge of the first electrode in the first orthogonal direction.
9 . The battery according to claim 1 , wherein
an end portion of the separator on the first orthogonal direction contacts against the first adhesive member, and a part of the separator is bent.
10 . The battery according to claim 1 , wherein
an end portion of the separator on the first orthogonal direction is caught into and enters a gap between an end portion of the positive electrode on the first orthogonal direction and the first adhesive member.