Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
CURRENT COLLECTOR ELECTRODE SHEET MANUFACTURING METHOD, COMPRESSION ROLLER, CURRENT COLLECTOR ELECTRODE SHEET, AND BATTERY
Document Type and Number:
WIPO Patent Application WO/2019/082575
Kind Code:
A1
Abstract:
A compression roller (50) comprises a pair of rolls (51) that continuously compress, in a thickness direction, a current collector electrode sheet in which an active material has been applied onto both surfaces of a sheet-like metallic foil (9). The rolls (51) are disposed such that the rotation axes thereof are parallel to the shorter dimension direction of the electrode sheet. Each roll (51) includes: end parts (53) having circular end surfaces at both ends in the rotation axis direction; and a side surface (roll body (52)) between the end parts (53). During compression of the electrode sheet, the side surface includes: a first range near both ends of the rolls (51); and a second range in the center portion in the rotation axis direction of the rolls (51). The distance between the side surfaces in the first range of the opposing pair of rolls (51) is shorter than the distance between the side surfaces in the second range of the opposing pair of rolls (51).

Inventors:
AYA Dai (1120, Shimokuzawa, Chuo-ku, Sagamihara-sh, Kanagawa 54, 〒2520254, JP)
KOYAMA Mayuko (1120, Shimokuzawa, Chuo-ku, Sagamihara-sh, Kanagawa 54, 〒2520254, JP)
KANAZAWA Shinichi (1120, Shimokuzawa, Chuo-ku, Sagamihara-sh, Kanagawa 54, 〒2520254, JP)
Application Number:
JP2018/035351
Publication Date:
May 02, 2019
Filing Date:
September 25, 2018
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
NEC ENERGY DEVICES, LTD. (1120, Shimokuzawa Chuo-ku, Sagamihara-sh, Kanagawa 54, 〒2520254, JP)
International Classes:
H01M4/02; B30B3/00; H01M4/04; H01M4/13; H01M4/139; H01M4/66
Domestic Patent References:
WO2005074057A12005-08-11
Foreign References:
JP2006107787A2006-04-20
JP2000208134A2000-07-28
JP2012009376A2012-01-12
JP2015069747A2015-04-13
JPH10214617A1998-08-11
JP2005183181A2005-07-07
JPH1012220A1998-01-16
JP2006024710A2006-01-26
Attorney, Agent or Firm:
HAYAMI Shinji (KDX Gotanda Bldg. 9F, 9-2 Nishi-Gotanda 7-chome, Shinagawa-k, Tokyo 31, 〒1410031, JP)
Download PDF: