Our elemental footprint
Our elemental footprint
复制标题
我们的基本足迹
DOI:
10.1038/s41563-019-0334-3
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发表时间:
2019
期刊:
影响因子:
41.2
通讯作者:
A. King
中科院分区:
文献类型:
--
作者:
A. King
To the Editor—This year marks the 150th anniversary of Mendeleev’s formulation of the periodic table, which gave us a simple way to understand the elements and placed limits on which ones can exist. With around 100 stable elements at our disposal, today’s technologies rely on an increasingly complex palette of materials; and individual materials are made from increasingly complex mixtures of chemical elements 1. Our command and control of all this complexity is one of triumphs of materials science, but it comes at some cost.Beer cans, originally made of a single type of steel, now use three distinct aluminium alloys and a total of at least five chemical elements, providing materials optimized individually for the can’s body, top and pop tab. And beverage containers are relatively simple: when aluminium cans first appeared in 1959, it was rare for a structural alloy to include more than three or four elements; today, it is common to have eight or more as materials science pushes forward to set new records for key materials’ properties. The first commercial mobile telephone was Motorola’s DynaTAC 8000X, initially produced in 1983, and it required around 35 chemical elements to manufacture (Fig. 1a). Less than four decades later, the requirements have grown to somewhere between 65 and 70 elements for a modern smartphone (Fig. 1b). We are approaching a point where some of our devices, particularly our ‘personal tech’with all of its burgeoning intelligence and functionality, will require every element in the periodic table except, hopefully, for the ones that are toxic or radioactive. Clean energy technologies are not far
影响因子:
64.5
作者:
McCall AS;Cummings CF;Bhave G;Vanacore R;Page-McCaw A;Hudson BG
通讯作者:
Hudson BG