Nickel Hydride No. 5 battery

Briefly describe the use of graphene Nickel Hydride No. 5 battery in positive electrode materials

Positive electrode materials for Nickel Hydride No. 5 battery, such as commonly used LiCoO2, LiMn2O4 and LiFePO4, are poor electronic conductors, with conductivity of 10-4, 10-6 and 10-9Scm-1, respectively. In the current lithium-ion battery system, the positive and negative electrode materials used in the battery have low ion and electronic conductivity, which is an important factor affecting and limiting the charge and discharge cycle and rate performance of Nickel Hydride No. 5 battery.

Therefore, in order to fully and effectively utilize the positive electrode materials during the charge and discharge process and improve the rate performance of Nickel Hydride No. 5 battery, conductive agents should be added to the positive electrode materials. Traditional conductive agents are generally graphite. Graphene itself has very high electronic conductivity. Using graphene as a conductive additive is its most direct and widely used in Nickel Hydride No. 5 battery.

Graphene ternary positive electrode materials and conductive slurries are the core materials of power Nickel Hydride No. 5 battery, which are directly related to the performance of power Nickel Hydride No. 5 battery. Graphene-modified ternary materials are clearly superior to traditional ternary materials in terms of rate performance and cycle stability, and can significantly increase the range of new energy vehicles. The production of ternary cathode materials will greatly improve the rate performance of Nickel Hydride No. 5 battery, reduce the internal resistance of Nickel Hydride No. 5 battery, and thus solve the bottleneck problem of short battery life from the material perspective, which can meet the urgent technical and scale requirements of Nickel Hydride No. 5 battery for domestic and international power vehicles.

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