| 摘要 |
PROBLEM TO BE SOLVED: To provide a mixture ink for forming a foil-shape collector positive electrode of a nickel-metal hydride secondary battery, that can provide a foil-shape collector positive electrode of a nickel-metal hydride secondary battery having excellent electrode conductivity, having a small difference between theoretical battery capacity and actual battery capacity, and having battery capacity less likely to decrease from initial battery capacity after repeated charging and discharging, that is, excellent charging and discharging cycle characteristics.SOLUTION: A mixture ink for forming a foil-shape collector positive electrode of a nickel-metal hydride secondary battery, contains a battery active material (A), a graphite (B) having purity of 99.9% or higher and average particle size of 1-15 μm, and a binder (C). |
