Electrode plate for secondary battery and manufacturing method therefor
AssigneeSamsung SDI Co., Ltd.
InventorsJoong Yong PARK, Jea Woan LEE, Hyun Jun CHOI
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Abstract
An electrode plate for a secondary battery includes: a substrate that is a film-shaped or thin metal foil; an active material layer on at least one side of the substrate; an uncoated portion on one side along the longitudinal direction of the substrate and having no active material layer formed therein; and an auxiliary uncoated portion on the other side along the longitudinal direction of the substrate and having no active material layer formed therein.
Claims15
An electrode plate for a secondary battery, comprising:
- a substrate that is a film-shaped or thin metal foil;
- an active material layer on at least one side of the substrate;
- an uncoated portion on a first side along a longitudinal direction of the substrate and having no active material layer formed therein;
- and
- an auxiliary uncoated portion on a second side along the longitudinal direction of the substrate and having no active material layer formed therein.
A method for manufacturing an electrode plate for a secondary battery, the method comprising:
- applying an active material to at least one surface of a substrate, excluding areas of an uncoated portion and an auxiliary uncoated portion, to a first side and a second side of the substrate in a longitudinal direction to form an active material layer;
- forming a ceramic coating layer along the longitudinal direction of the auxiliary uncoated portion;
- and
- rolling the substrate and the active material along the longitudinal direction of the substrate to mix the active material with the substrate.
Dependencies are inferred from the claim text.