Title:
LITHIUM ION SECONDARY BATTERY
Document Type and Number:
Japanese Patent JP2022123685
Kind Code:
A
Abstract:
To provide a lithium ion secondary battery which has flexibility and allows a good output characteristic to be achieved even in a high-output charge/discharge operation.SOLUTION: A lithium ion secondary battery according to an embodiment hereof comprises an electrode sheet 10 having: a current collector layer 14 integrated with an exterior packaging film 12; an electrode layer 16 containing active material particles 20 and a polymer solid electrolyte 22 filling gaps among the active material particles; and a separator layer 18 containing inorganic oxide particles 24 and a polymer solid electrolyte 22 filling gaps among the inorganic oxide particles. The polymer solid electrolyte 22 contains a lithium salt, an ionic liquid and a high-molecular weight polymer.SELECTED DRAWING: Figure 2
Inventors:
HOSHIHARA YUJI
NISHIKAWA AKIYOSHI
TOZAKI TETSUYA
KAJI SOKI
SAITO YASUTERU
AZUMA NOBORU
NISHIKAWA AKIYOSHI
TOZAKI TETSUYA
KAJI SOKI
SAITO YASUTERU
AZUMA NOBORU
Application Number:
JP2021021140A
Publication Date:
August 24, 2022
Filing Date:
February 12, 2021
Export Citation:
Assignee:
DAI ICHI KOGYO SEIYAKU CO LTD
KURASHIKI BOSEKI KK
KURASHIKI BOSEKI KK
International Classes:
H01M10/058; H01M4/64; H01M10/052; H01M10/0565; H01M50/10; H01M50/409
Attorney, Agent or Firm:
Masato Tsutada
Tetsushi Nakamura
Katsuyuki Tomita
Yasuomi Arichika
Ryu Maezawa
Waterfowl Masahiro
Tetsushi Nakamura
Katsuyuki Tomita
Yasuomi Arichika
Ryu Maezawa
Waterfowl Masahiro