US Patent 11984569 Energy storage apparatus

An energy storage apparatus includes an energy storage device and a spacer disposed adjacent to the energy storage device in a first direction, in which the spacer is disposed inward of the energy storage device in a second direction orthogonal to the first direction when viewed from the first direction, and has a concave-convex portion having at least one of a concave portion and a convex portion formed at an end portion in the second direction, and the concave-convex portion is disposed separated from the energy storage device.