FIG. 9 is a view illustrating a thin pouch battery in which a wave shape is formed on a side surface of a protrusion of a laminate film, in Embodiment 7.
FIG. 10 is a view illustrating a state of a part when the side surface of the protrusion is curved.
FIG. 11 illustrates a state in which a pouch battery having the protrusion in the laminate film on the upper side is curved upward or downward.
FIG. 12 illustrates a state in which the pouch battery having the protrusions on both sides of the laminate films on the upper side and the lower side is curved upward or downward.
FIG. 13 is a view illustrating a thin pouch battery in which the embodiments are combined.
FIG. 14 is a view illustrating a thin pouch, battery in the related art, which has flexibility, disclosed in Japanese Patent Unexamined Publication No. 2000-173559.
FIGS. 15A and 15B are views illustrating the thin pouch battery in the related art, which has flexibility, disclosed in Japanese Patent Unexamined Publication No. 2000-173559.
FIGS. 16A and 16B are views illustrating a state in which as external force is applied to the thin pouch battery having flexibility in the related art and the thin pouch battery is curved.
FIGS. 17A and 17B are diagrams depicting a wrinkling mechanism in a case where no wave shape is formed on the laminate films.