A key focus is to move away from
using rare earth elements in motors.
The high - quality engineering shows everywhere, incorporating a set of 40 mm drivers that
use rare earth magnets and copper - clad aluminum wire voice coils to drive the fantastic sound.
The JLR design doesn't
use rare earth magnets and has aluminium winding instead of the more common, and more expensive, copper.
1) I've also read that the battery for this hybrid technology
uses rare earth metals (please correct me if im wrong as im unable to recall the exact details).
To get the Transformer Book T300 Chi to such a thin profile, Asus
used rare earth magnets to keep the laptops two distinct parts together.
Rice University has some neat catalysts that do not
use rare earths and are pretty efficient.
Not exact matches
It's an exciting prospect, considering supply on
Earth for such
rare minerals as palladium —
used for electronics and industrial purposes — is finite, pushing prices to $ 784 an ounce on April 2.
The North is sitting on US$ 6 trillion worth of minerals, according to a South Korean state - owned mining company, including
rare earth metals, which are
used to build everything from smart cars to iPhones.
The key
rare earth mineral to be produced at Browns Range is «dysprosium», a principal ingredient in the manufacturing of large industrial magnets that are mostly
used in the clean tech sector.
At 6:30 a.m. local time, he made it to the top of the
earth's tallest peak, without the
use of supplemental oxygen, a
rare feat.
Rare earth minerals, the 17 elements
used in high - tech products such as cell phones and hybrid vehicles, represent another potential source of growth for Canadians over time.
More importantly, they specialize in commodities that are not easily tradable (like hogs or copper), and therefore their share prices tend to match
rare earth prices very closely because investors
use them as a tool.
Another way Molycorp tries to stay afloat while
rare earths prices are falling is by being a vertically integrated neodymium (
used for magnets) supplier.
The key for such new wave of EVs is a magnet for electric motors developed by the Japanese firm, which halves the
use of a
rare earth called neodymium and eliminates the
use of others called terbium and dysprosium, the company revealed on Tuesday.
I think it will still be some time before a self - sufficient non-Chinese
rare earth supply chain is established, but as demand for these metals and the products they are
used in continues to grow, REE investment can be a profitable choice for the risk - tolerant investor.
In their place, Toyota will
use the more abundant
rare earths lanthanum and cerium, which also cost about 20 times less than neodymium.
China's biggest
rare earths producer has suspended production in an effort to shore up plunging prices of the materials
used by makers of mobile phones and other high - tech products.
China's biggest
rare earths producer has suspended output in an effort to shore up slumping prices of the materials
used by makers of mobile phones and other high - tech products.
«We also developed a new
use for cerium, which is an over-produced
rare earth that is a burden on mining,» King says.
Rare -
earth prices are set to extend their decline from records this year as buyers including Toyota and General Electric scale back
using the materials in their cars and windmills.
To investigate the timing of Andean uplift, Dr Laura Evenstar from Bristol's School of
Earth Sciences
used a new method based on cosmic rays that create a
rare form of helium (cosmogenic He - 3) in minerals at
Earth's surface.
Instead of cerium, a cheaper mixture of several
rare -
earth elements could be
used.
The world is scrambling to open up new sources and reopen old ones, such as Mountain Pass
Rare Earth Mine in California which
used to supply the majority of the world's demand but has been mothballed since 2002.
Moon rocks contain a tiny bit more of the
rare isotope oxygen - 17 than do the rocks on
Earth, say geochemists who measured oxygen
using very precise methods.
GE was awarded $ 2.2 million by DoE's ARPA — E program to develop bulk quantities of such nanocomposite magnets in a bid to cut by 80 percent the
rare earth elements
used.
Ultimately, the scarcity of
rare earth elements comes down to our own short - sightedness and the apparent low cost of business as usual — dig it up,
use it, discard it.
But even before China flexed its market - dominating power a slew of scientific researchers had been investigating how to
use less
rare earths — or even none at all — by fabricating better magnetic materials.
His $ 2.5 million proposal under REACT was selected to develop strong magnets without the
use of
rare earth elements.
The real problem is the way we obtain,
use and discard
rare earth elements.
By next year, the site hopes to produce 2.7 million kilograms of
rare earth oxides a year — separating the elements from the ore
using a liquid ion - exchange process.
Asteroids, in particular, contain cobalt and a lot of platinum, which is
rare on
Earth and yet is
used in a wide range of goods, including catalytic converters, electronics, and medical devices.
It is flush with natural resources — uranium, coal, oil, gold, and the
rare earth minerals that are
used in cell phones and electronics — and blessed with sparkling, pristine beaches that extend thousands of miles.
The company says a geared solution is more efficient,
uses a lot less
rare earth materials and will need to be serviced less often compared with a direct drive turbine.
Furthermore, since magnets containing
rare earths are
used in a wide range of technologies, including electric motors, wind turbines, and medical imaging devices, including MRI scanners — manufacturers would be able to improve the sustainability of their products by recycling these materials.
Working there, the pair has created the novel method for processing drive units and electric motors to chemically separate
rare earth elements — specifically neodymium, dysprosium, and praseodymium — from other materials
used to make the devices.
There's little doubt the environmental cost of creating an iPhone, as well as those wind turbines, hybrid engines, and the bevy of other technical wonders that
use rare -
earth minerals, has been immense.
Japan, like the United States, is heavily dependent on imports of
rare earths from China for their widespread
use in manufacturing of hybrid cars, electronics, and wind turbines.
In 1716 the astronomer Edmond Halley, of comet fame, had a brilliant idea: Observations of the transit of Venus, a
rare event in which our sister planet crosses between
Earth and the sun, could be
used to calculate the distance between us and our star.
The research cluster includes the Departments of Materials and
Earth Sciences, Chemistry and Mechanical Engineering and aims to optimise the use of rare earth permanent mag
Earth Sciences, Chemistry and Mechanical Engineering and aims to optimise the
use of
rare earth permanent mag
earth permanent magnets.
The Critical Materials Institute, a U.S. Department of Energy Innovation Hub led by the Ames Laboratory, has created a new chemical process that makes
use of the widely available
rare -
earth metal cerium to improve the manufacture of nylon.
The REACT projects identify low - cost and abundant replacement materials for
rare earths while encouraging existing technologies to
use them more efficiently.
Further testing of the material suggested that crosslinking, or bonding,
using transition metals and
rare -
earth metals, caused the graphene oxide to possess new semiconducting, magnetic and optical properties.
The new alloy — a potential replacement for high - performance permanent magnets found in automobile engines and wind turbines — eliminates the
use of one of the scarcest and costliest
rare earth elements, dysprosium, and instead
uses cerium, the most abundant
rare earth.
Previous attempts to
use cerium in
rare -
earth magnets failed because it reduces the Curie temperature — the temperature above which an alloy loses its permanent magnet properties.
While other scientists are trying to find ways to
use less of the least abundant
rare -
earths, we are trying to find ways to
use more of the most abundant ones.»
The results published in Nature Communications were obtained under the framework of the LOEWE research cluster RESPONSE (Resource - Efficient Permanent Magnets by Optimised
Use of
Rare Earths) that is coordinated by Prof. Dr. Oliver Gutfleisch.
«Without
rare earths, you'd have to
use larger, heavier magnets, and you'd have to build a stronger, more expensive tower to support them,» says materials scientist Alex King of the U.S. Department of Energy's Ames Laboratory.
To maximize efficiency, manufacturers like General Electric often
use high - intensity magnets that incorporate
rare -
earth elements.
And on 4 July, India's science minister Ashwani Kumar announced that the country planned to mine
rare -
earth minerals from the sea bed of the Central Indian Ocean Basin,
using up to four specially commissioned ships.
Another potential space - based alternative energy source is atomic fusion
using helium - 3, an element
rare on
Earth, yet abundant on the lunar surface and in the atmospheres of the gas giants.