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US 11,108,032 B2Granted
Method and apparatus for manufacturing secondary battery
AssigneeMurata Manufacturing Co., Ltd.
InventorsRetsu Tahara, Toru Kawai
Life of this patent
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Abstract
A method for manufacturing a secondary battery by performing two or more kinds of intermittent coating in combination using two or more die heads so as to apply an electrode material layer-forming raw material to a metal sheet material to obtain an electrode precursor; and cutting the electrode precursor to form a plurality of electrodes.
Claims14
A method for manufacturing a secondary battery, the method comprising:
- fabricating at least either of a positive electrode or a negative electrode by:
- performing two or more kinds of intermittent coating in combination using two or more die heads that each respectively apply an electrode material layer-forming raw material directly to a surface of a metal sheet material to obtain an electrode precursor, and where at least two of the two or more die heads apply a different shape of the electrode material layer-forming raw material directly to the surface of the metal sheet material;
- and
- cutting the electrode precursor to form a plurality of electrodes.
1 more element
Dependencies are inferred from the claim text.