Lightweight Metallic Wood as Strong as Titanium

Feb-01-19 A porous ‘metallic wood’ as strong as titanium and five times lighter could also function as a battery.

The metallic wood—so-called because it mimics the porous structure of trees—was developed by an international team by suspending tiny spheres in water. As the water evaporated, the spheres settled into orderly stacks, which were then infiltrated with nickel using electroplating. Finally, the plated spheres were dissolved, leaving behind a network of metallic struts. Made up of 70% empty space, the finished material can float on water, and its pores could even be filled with another material—such as an electrolyte to create a battery.

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[COSMOSMAGAZINE.COM]
[TREEHUGGER.COM]

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