Title:
SECONDARY BATTERY
Document Type and Number:
Japanese Patent JP2018152229
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a new secondary battery capable of increasing energy density and further enhancing safety.SOLUTION: A secondary battery 10 includes: a first electrode 11 which is a columnar body having a first active material; a first current collecting part 12 connected to the first electrode 11; a second electrode 16 having a second active material; a second current collecting part 17 connected to the second electrode 16; and a separation film 21 which has ion conductivity and insulates the first electrode 11 and the second electrode 16. The secondary battery 10 has a structure in which a plurality of first electrodes 11 are bundled in a state adjacent to the second electrode 16 through the separation film 21. Moreover, to the first current collecting part 12, a first connection part 14 is connected, which is connected to each of the first electrodes 11 and blown at the time of short circuit.SELECTED DRAWING: Figure 1
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Inventors:
OKUDA NARUAKI
Application Number:
JP2017047348A
Publication Date:
September 27, 2018
Filing Date:
March 13, 2017
Export Citation:
Assignee:
TOYOTA CENTRAL RES & DEV
International Classes:
H01M2/34; H01M2/26; H01M4/02; H01M4/13; H01M10/04; H01M10/058
Attorney, Agent or Firm:
Aitec International Patent Office