JP2012014870A5 - Hydrogen storage alloy electrode, method of manufacturing the same, and battery provided with hydrogen storage alloy electrode - Google Patents

Hydrogen storage alloy electrode, method of manufacturing the same, and battery provided with hydrogen storage alloy electrode Download PDF

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JP2012014870A5
JP2012014870A5 JP2010147938A JP2010147938A JP2012014870A5 JP 2012014870 A5 JP2012014870 A5 JP 2012014870A5 JP 2010147938 A JP2010147938 A JP 2010147938A JP 2010147938 A JP2010147938 A JP 2010147938A JP 2012014870 A5 JP2012014870 A5 JP 2012014870A5
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hydrogen storage
storage alloy
active material
punching metal
alloy electrode
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JP2012014870A (en
JP5573419B2 (en
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Claims (5)

水素吸蔵合金粉末を含有する活物質を支持するための多数の穿孔が設けられたパンチングメタルを具備する水素吸蔵合金電極であって、
前記パンチングメタルは、中央部に多数の穿孔を有する穿孔形成領域が設けられていると共に前記穿孔形成領域に前記パンチングメタルの両面側から活物質が形成され前記穿孔形成領域の外周縁部に前記穿孔が存在しない無地部を有し、
活物質が形成されていない露出部の一部に目印が設けられていることを特徴とする水素吸蔵合金電極。 A hydrogen storage alloy electrode comprising a punching metal provided with a plurality of perforations for supporting an active material containing a hydrogen storage alloy powder, comprising:
The punching metal is provided with a perforation forming area having a large number of perforations in a central portion, and an active material is formed on both sides of the punching metal in the perforation forming area, and the perforations are formed in the outer peripheral edge of the perforation forming area. Have a plain area where there is no
A hydrogen storage alloy electrode characterized in that a mark is provided on part of an exposed portion where no active material is formed. 前記目印は、穿孔であることを特徴とする請求項１記載の水素吸蔵合金電極。 The hydrogen storage alloy electrode according to claim 1, wherein the mark is a perforation. 多数の穿孔を有する穿孔形成領域と
前記穿孔形成領域の外周縁部に前記穿孔が存在しない無地部と
活物質が形成されていない露出部の一部に目印とを含むパンチングメタルに水素吸蔵合金粉末を含有する活物質を支持させた水素吸蔵合金電極の製造方法であって、
ロール状に捲回されているパンチングメタルシートの両面側全面に順次水素吸蔵合金粉末を含有する活物質を塗布する塗布工程と、前記塗布された活物質の一部を掻き落とす塗工工程と、前記パンチングメタル上に残置された活物質を乾燥させる乾燥工程と、前記乾燥後の活物質を前記パンチングメタルと共にプレスするプレス工程と、前記目印を基準として前記パンチングメタル上の無地部の位置を特定することにより、前記パンチングメタルを前記プレス工程後の活物質と共に切断する切断工程とを含むことを特徴とする水素吸蔵合金電極の製造方法。 Hydrogen storage alloy powder in a punching metal including a perforation forming area having a large number of perforations, an uncoated area where the perforations do not exist at the outer peripheral edge of the perforation forming area, and a mark at a part of the exposed area where the active material is not formed A method of manufacturing a hydrogen storage alloy electrode supporting an active material containing
An application step of applying an active material containing a hydrogen storage alloy powder sequentially to the entire surface of both sides of the punched metal sheet wound into a roll, and a coating step of scraping off part of the applied active material; A drying process for drying the active material left on the punching metal, a pressing process for pressing the dried active material with the punching metal, and a position of the uncoated area on the punching metal based on the mark are specified And cutting the punched metal together with the active material after the pressing step. 前記パンチングメタルシートは、パンチングメタルの穿孔形成領域が幅方向に並べられ、パンチングメタルシートの捲回方向に沿って連ねられていることを特徴とする請求項３記載の水素吸蔵合金電極の製造方法。 The method for manufacturing a hydrogen storage alloy electrode according to claim 3, wherein the punching metal sheets are arranged such that the perforation forming regions of the punching metal are arranged in the width direction and are arranged along the winding direction of the punching metal sheet. . 請求項１または２記載の水素吸蔵合金電極を備えた電池。A battery comprising the hydrogen storage alloy electrode according to claim 1 or 2.
JP2010147938A 2010-06-29 2010-06-29 Hydrogen storage alloy electrode, manufacturing method thereof, and battery equipped with hydrogen storage alloy electrode Active JP5573419B2 (en)

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JP2012014870A JP2012014870A (en) 2012-01-19
JP2012014870A5 true JP2012014870A5 (en) 2013-07-11
JP5573419B2 JP5573419B2 (en) 2014-08-20

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JP5822094B2 (en) 2012-02-24 2015-11-24 株式会社Ｇｓユアサ Electrode plate, wound electrode group and cylindrical battery
JP6632264B2 (en) * 2015-09-04 2020-01-22 プライムアースＥｖエナジー株式会社 Method for producing small pieces of electrode plate and apparatus for cutting electrode plate

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JP3260972B2 (en) * 1993-06-30 2002-02-25 松下電器産業株式会社 Hydrogen storage alloy electrode and sealed nickel-hydrogen storage battery using the same
JPH1197001A (en) * 1997-09-16 1999-04-09 Toshiba Battery Co Ltd Manufacture of hydrogen storage alloy electrode
JP2000299104A (en) * 1999-04-16 2000-10-24 Toshiba Battery Co Ltd Manufacture of nickel hydrogen secondary battery
JP5230878B2 (en) * 1999-05-18 2013-07-10 大日本印刷株式会社 Method for producing metal foil sheet
JP2001266852A (en) * 2000-03-16 2001-09-28 Toshiba Battery Co Ltd Manufacturing method of tape shaped electrode and manufacturing device
JP2002319395A (en) * 2001-04-20 2002-10-31 Hitachi Maxell Ltd Method of manufacturing hydrogen storage alloy electrode and secondary battery
JP2006147485A (en) * 2004-11-24 2006-06-08 Ngk Spark Plug Co Ltd Manufacturing method of power storage device

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