Power storage device
AssigneeToyota Jidosha Kabushiki Kaisha
InventorsAkira Tsujiko, Koji Takahata, Hironori Harada, Hideyasu Kawai, Hideyuki Yamamura
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Abstract
A power storage device includes a fuel cell (33), a battery holder (1) and an end plate (40) for sandwiching and binding the fuel cell, and an interposed member (11) disposed between the end plate (40) and the fuel cell (33). The battery holder (1) and the end plate (40) are made of resin, and have a positive coefficient of thermal expansion at a temperature lower than a predetermined temperature. The interposed member (11) is formed to have a substantially negative coefficient of thermal expansion at a temperature lower than the predetermined temperature.
Claims9
A power storage device comprising:
- a power storage cell for storing electric power;
- a binding member for sandwiching and binding said power storage cell;
- and
- an interposed member disposed in a region located between said binding member and said power storage cell,
- said binding member having a positive coefficient of thermal expansion at a temperature lower than a predetermined temperature,
- said interposed member being formed to increase a binding load applied to said power storage cell at a temperature lower than said predetermined temperature.
A power storage device comprising:
- a power storage cell for storing electric power;
- and
- a binding member for sandwiching and binding said power storage cell,
- said binding member having a negative coefficient of thermal expansion at a temperature lower than a predetermined temperature.
Dependencies are inferred from the claim text.