Toyota Jidosha Kabushiki Kaisha

Satoshi Kitagawa

Takashi Murata

Haruka Tsuruta

Masaki Hanada

A power storage device includes at least one power storage cell, a heater that increases a temperature of the power storage cell, a pressing member that presses the heater against the power storage cell, and a sensor provided in the heater. The heater includes a base material and a heater wire provided on the base material. The base material includes a lead portion drawn from between the pressing member and the power storage cell. The heater wire includes a heater lead wire formed on the lead portion. The sensor is provided on the heater lead wire.

Power storage device

A power storage device includes: a power storage stack which includes a plurality of power storage cells; a heating member that heats the power storage stack; a cooling member that cools the power storage stack; a first pressing member that presses the heating member against the power storage stack; a second pressing member that presses the cooling member against the power storage stack; and a sheet member covering the bottom of the power storage stack so that an enclosed space is formed between the sheet member and the power storage stack in a cross section of the power storage stack, wherein the sheet member has a first surface and a second surface, the cooling member is disposed on the first surface, within the enclosed space, and the heating member is disposed on the second surface, on an outer side of the enclosed space.

Growing community of inventors

Uji, Japan

Satoshi Kitagawa