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(4) Further, interface resistivity was measured, as well as changes regulation of interface resistance with preparation temperature, so that it provide a way to improve material conductivity by adjusting process parameters. The results showed that although interface resistivity was slightly larger than Pb, in sum, it had been improved greatly because of the thickness of interfacial layer less than 10¦Ìm, besides introduction of Al matrix as a core.

In this paper, concerning Al-x-Pb layered composite material, further research and application prospects were analyzed.  A scientific method was provided to produce a new type of laminated composite electrode material.
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Currently, in hydrometallurgy industries field, lead and lead alloy as insoluble anode material are still widely applied in electrolysis of Cu, Zn. But lead electrode dissolves a small portion of itself in electrolyte, and other disadvantages such as precipitation from cathode, easily changed, large resistivity, so that it consumes anode, as well as impacts anode life. Worse, lead dissolved in solution will be precipitated on cathode so as to cause lead impurity increase and reduce product quality. Thus, under condition of saving energy and reducing consumption to cater for current economic and social development, a new type of integrated performance electrode material is necessary urgently. In particular, laminated metal electrode composite materials are easily to research and develop.


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However, reports about metal laminated composite electrode materials are rare at home and abroad. Therefore, this issue, "the third element to improve interface of Al, Pb and properties of material" can improve technologies of laminated composite electrode material in our country which possess independent intellectual property rights, and it shows positive significance.

Researches and results as follows:
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