Nickelfoamisanexcellentsoundabsorptionmaterials,high-frequencyh***eahighabsorptioncoefficient;byabsorbingstructureisdesignedtoimprovetheirperformanceinthelow-frequencysoundabsorption.Cadmiumisalsothemanufactureoffoam-nickelbatteriesandhydrogen-nickelbatteries,oneofthebestelectrodematerials.Electricitythroughthetestsuccessfullydevelopedtechnologytopreparenickelfoamdepositionprocess.Substratematerialsusedintheholefortheporousfoam,theuseofchemicalnickelplating,vacuumplatingnickelandimmersionconductiveadhesivecanbepreparedbythreemethodsconductivelayer,afterthepre-platednickelsulfatecanbeinacommonelectrolyteintheelectroplatingthicknickel-platednickel,thelatterthroughtheburning,reduction,annealingprocesscangetexcellentperformanceofthefoammaterial.)