Pourquoi c'est important pour les matériaux
Electronics is where materials are used most efficiently and recovered least. Each device holds milligrams of a dozen scarce metals, dispersed so finely that separating them again costs more than mining new ones.
De quoi c'est composé
Tous les matériaux →| Matériau | Ce qu'il fait ici | Importance |
|---|---|---|
| Cobalt critique | High-density battery cathode | Définition de |
| Copper critique | Boards, coils and wiring | Définition de |
| Graphite critique | Battery anode | Définition de |
| Indium critique | Transparent touchscreen electrode | Définition de |
| Lithium critique | Battery | Définition de |
| Neodymium critique | Speaker and haptic magnets | Définition de |
| Silicon critique | Every chip | Définition de |
| Tantalum critique | Capacitors | Définition de |
| Tin critique | Solder | Définition de |
| Gallium critique | LED backlighting and RF front end | Important |
| Gold | Contacts and bonding | Important |
| Europium critique | Display phosphors | Présent |
| Yttrium critique | Display phosphors and lasers | Présent |

Cobalt
A hard, bluish metal that keeps a battery's cathode stable so it does not overheat, and that holds its strength when…

Copper
The reddish metal that carries electricity better than anything except silver, and which humans have been smelting…

Graphite
Pure carbon in soft, slippery sheets — the same stuff as pencil lead — and the material that holds the lithium when a…

Indium
A soft metal whose oxide is both transparent and electrically conductive — the invisible wiring on top of every…

Lithium
A soft, silvery metal so light it floats on water, and the element that lets a rechargeable battery store a lot of…

Neodymium
The rare earth at the heart of the strongest magnet ever made — the kind in headphones, hard drives, wind turbines…