Method for improving electrochemical and dynamic properties of La-Mg-Ni-based alloy electrode
An electrochemical and alloy-based technology, applied in battery electrodes, circuits, electrical components, etc., can solve the problems of decreased electrochemical kinetic performance, decreased cycle stability, and limited development of Ni-MH batteries, and achieves improved electrochemical performance. Kinetic properties, the effect of reducing electrochemical impedance
Active Publication Date: 2016-10-12
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Problems solved by technology
The invention discloses a method for improving the electrochemical and dynamic properties of an La-Mg-Ni-based alloy electrode. The method comprises the steps of: smelting raw materials of La, Mg, Ni and Co into a cast alloy; crushing the cast alloy; and adding graphene and a graphene/nickel compound for mixing and ball-milling to prepare an La-Mg-Ni/graphene and La-Mg-Ni/graphene compound Ni-MH battery material. The method has the advantages that the electrochemical and dynamic properties of the material are obviously improved after the graphene and the graphene/nickel compound are added to La-Mg-Ni alloy powder for mixing and ball-milling; and a solid foundation is laid for later research of the Ni-MH battery material.
Cell electrodesNickel accumulators
Nickel compoundsGraphene +5
- Experimental program(3)
|Maximum discharge capacity||367.7||mAh/g|
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