Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
POWER STORAGE DEVICE
Document Type and Number:
WIPO Patent Application WO/2018/025868
Kind Code:
A1
Abstract:
A power storage device (10) has a plurality of bipolar electrodes (12), each having a positive electrode layer (18) provided to one surface of a collector plate (16) and a negative electrode layer (20) provided to another surface on the opposite side to the one surface, stacked together with a separator (14) therebetween, wherein each of the plurality of bipolar electrodes is provided with a collector plate (16) having a first surface (16a) and a second surface (16b) that is the surface on the opposite side to the first surface and has greater surface roughness than the first surface, a binder (80A) and a negative electrode active material (70) that forms a negative electrode layer, and a binder (80B) and a positive electrode active material (60) that forms a positive electrode layer and has a higher resistance than the negative electrode active material (70). The negative electrode active material (70) and the binder (80A) are applied to the first surface, and the positive electrode active material (60) and the binder (80B) are applied to the second surface.

Inventors:
NAKAMURA Tomohiro (2-1 Toyoda-cho, Kariya-sh, Aichi 71, 〒4488671, JP)
AKIYAMA Hirokuni (2-1 Toyoda-cho, Kariya-sh, Aichi 71, 〒4488671, JP)
TAMARU Kojiro (2-1 Toyoda-cho, Kariya-sh, Aichi 71, 〒4488671, JP)
HIROSE Takayuki (2-1 Toyoda-cho, Kariya-sh, Aichi 71, 〒4488671, JP)
OKUMURA Motoyoshi (1 Toyota-cho, Toyota-sh, Aichi 71, 〒4718571, JP)
KIKUCHI Takuro (1 Toyota-cho, Toyota-sh, Aichi 71, 〒4718571, JP)
Application Number:
JP2017/027915
Publication Date:
February 08, 2018
Filing Date:
August 01, 2017
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
KABUSHIKI KAISHA TOYOTA JIDOSHOKKI (2-1 Toyoda-cho, Kariya-shi Aichi, 71, 〒4488671, JP)
TOYOTA JIDOSHA KABUSHIKI KAISHA (1 Toyota-cho, Toyota-shi Aichi, 71, 〒4718571, JP)
International Classes:
H01M10/30; H01M4/24; H01M4/32; H01M4/70; H01M10/0585
Attorney, Agent or Firm:
HASEGAWA Yoshiki et al. (SOEI PATENT AND LAW FIRM, Marunouchi MY PLAZA 9th fl. 1-1, Marunouchi 2-chome, Chiyoda-k, Tokyo 05, 〒1000005, JP)
Download PDF: