Positive electrode for alkaline secondary battery and alkaline secondary battery
AssigneeToppan Printing Co., Ltd.
InventorsMasahiro Serikawa, Tsuyoshi Kitamoto
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Abstract
There is provided a positive electrode for an alkaline secondary battery and an alkaline secondary battery having good output properties and cycle life. To that end, a positive electrode (10) for alkaline secondary battery is obtained by laminating a flexible metal substrate (11) having flexibility; a primer layer (12) having conductivity provided on one or both surfaces of the substrate (11); and a positive electrode composite material layer (13) provided on the primer layer (12) and containing a positive electrode active material, a binder resin, and a first conductive material.
Claims12
A positive electrode for alkaline secondary battery having a lamination comprising:
- a metal substrate having flexibility;
- a primer layer having conductivity provided on one or both surfaces of the substrate;
- and
- a positive electrode composite material layer provided on the primer layer and containing a positive electrode active material, a binder resin, and a first conductive material,
- wherein the primer layer contains a second conductive material having an average particle diameter of 1 μm or more and 50 μm or less and an aspect ratio of 68 or more and 100 or less,
- wherein the second conductive material is a lamellar graphite, and
- wherein the binder resin is an emulsion polymerized resin.
Dependencies are inferred from the claim text.