| 摘要 |
The present invention provides a tilted-grid substrate of a negative electrode for a nickel-zinc battery, including a first zinc foil layer; a copper foil layer compounded on the first zinc foil layer; and a second zinc foil layer compounded on the copper foil layer. The present invention further provides an active material composition of a negative electrode for a nickel-zinc battery, a negative electrode for a nickel-zinc battery, the method for preparing the negative electrode, and a nickel-zinc battery. In the tilted-grid substrate of a negative electrode according to the present invention, the surface of zinc eliminates the needs for plating other metal, avoiding the incorporation of impurities. With the use of the nickel-zinc battery, part of the zinc on the surface of the tilted-grid substrate of the negative electrode can participate in the reaction of forming a current in the battery, reducing the fading speed of the battery capacity; and part of the zinc is oxidized to zinc oxide, acting as a conductor to improve the utilization ratio of the active material of the negative electrode. When the zinc layer on the surface of the substrate of the negative electrode participate in the reaction or is oxidized, the copper foil layer can act as the substrate of the negative electrode, so as to improve the performance of the nickel-zinc battery. |
