DEGASSING METHOD FOR ELECTRODE PASTE

Provided is a degassing method for an electrode paste that introduces the electrode paste formed by kneading a solid content containing an electrode active material and a dispersion medium into a decompressed container and degassing the electrode paste while a shear force is applied to the electrode...

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Bibliographische Detailangaben
Hauptverfasser:	SHIMOZONO Yuji, NAKASHIMA Masao, SUGIHARA Atsushi, GOTOH Hidefumi
Format:	Patent
Sprache:	eng
Schlagworte:	BASIC ELECTRIC ELEMENTS ELECTRICITY PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY SEPARATION TRANSPORTING
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Beschreibung
Zusammenfassung:	Provided is a degassing method for an electrode paste that introduces the electrode paste formed by kneading a solid content containing an electrode active material and a dispersion medium into a decompressed container and degassing the electrode paste while a shear force is applied to the electrode paste. A ratio of the solid content in the electrode paste is set to be 55 mass % or more, and a pressure in the decompressed container is set to be −50 kPa or more. It is possible to suppress both remaining bubbles and dry of the electrode paste, thus enhancing a product yield.