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Old News
Rare Earths: BMW’s fifth-generation REE-free electric drivetrain Posted 4th January 2019 in ?Industry news.
BMW remains focussed on gradually lowering the proportion of critical raw materials that are used in its electric vehicle (EV) models. Besides reducing the use of cobalt in the battery cells, BMW has set a target to launch its fifth-generation electric drive trains in 2021, free of rare earth elements (REEs).
Roskill view:
Hybrid EVs and pure battery EVs use between 1kg and 3kg of neodymium-iron-boron (NdFeB) magnets in standard drivetrain motors. The formulation of rare earth NdFeB magnets includes varying amounts of other rare earths praseodymium, dysprosium and cerium in place of neodymium depending on the specification and application of the magnets.
Electric vehicle drivetrains require high-quality and high power-to-weight ratio magnet formulations to increase the efficiency in converting electrical energy stored in batteries into mechanical energy. Rare earth permanent magnets are the strongest known permanent magnet formulations on the commercial market and allow vehicle manufacturers to optimise the performance, range and cost of EVs and their battery pack.
Roskill’s rare earth and automotive datasets highlight that, in 2018, over 90% of all EV drivetrain motors use rare earth permanent magnets. Currently, the low base of automotive electrification has drivetrain motors accounting for less than 10% of NdFeB demand. Roskill forecasts that the electrification of the automotive industry will increase the share of drivetrain motors to over 20% by 2021, when BMW is set to release its fifth-generation drivetrain technology.
As of 2017, neodymium supply tightened, and Roskill estimates the neodymium supply-demand balance to remain tight throughout the next decade, requiring the ramp up in REE production to keep up with demand over the longer-term. Non-rare-earth drivetrain technologies may help to mitigate short-term supply deficits; however, NdFeB magnets remain part of this generation of EVs. As a result, Roskill expects NdFeB magnets to remain the leading growth market for rare earths over the next decade.
BREAKING NEWS: VW CONFIRMED THAT ALL ID CAR BASED VEHICLES WILL HAVE A PERMANENT MAGNET MOTOR
Autoweek has a few new details about the ID cars based on its conversation with Ulbrich. The cars will all have three computers on board. All that computing power will be available to manage self-driving features that emerge in the future. The cars will be capable of over-the-air updates — no visit to dealers required. They will be rear-wheel drive, giving them near perfect 50–50 front-to-rear weight distribution. The standard motor will be a permanent magnet unit with about 160 horsepower. All-wheel-drive variants will add a synchronous motor to the front with another 50 to 60 horsepower.
The all-new Volvo C40 Recharge 2022, which is the first Volvo available only as an all-electric car, has received its official EPA range and efficiency numbers.
Volvo XC40: Specifications
EngineNameE400V6
Engine Type Description Dual electric permanent magnet synchron front and rear motors
Drivetrain All wheel drive
The new EQE: electric drive
The electric motors on the front and rear axles are permanently excited synchronous motors (PSM). With the PSM, the rotor of the AC motor is fitted with permanent magnets and therefore does not need to be supplied with power. The magnets – and thus the rotor – follow the rotating alternating current field in the stator windings. In the EQE, Mercedes-Benz uses what is known as a pull-in winding for a particularly strong magnetic field. The engine is referred to as synchronous because the rotor turns at the same rate as the magnetic field of the stator. The frequency is adjusted in the power electronics converters to the speed requirements of the driver. The advantages of this design include high power density, high efficiency and high power constancy. The motor on the rear axle is particularly powerful due to its six-phase design: it has two windings with three phases each.
https://media.daimler.com/marsMediaSite/en/instance/ko/The-new-EQE-electric-drive.xhtml?oid=51156417
Permanent magnet motors are more efficient than induction motor or motors with field windings for certain high-efficiency applications such as electric vehicles. Tesla's chief motor designer was quoted discussing these advantages, saying:
It's well known that permanent magnet machines have the benefit of pre-excitation from the magnets, and therefore you have some efficiency benefit for that. Induction machines have perfect flux regulation and therefore you can optimize your efficiency. Both make sense for variable-speed drive single-gear transmission as the drive units of the cars. So, as you know, our Model 3 has a permanent magnet machine now. This is because for the specification of the performance and efficiency, the permanent magnet machine better solved our cost minimization function, and it was optimal for the range and performance target. Quantitatively, the difference is what drives the future of the machine, and it's a trade-off between motor cost, range and battery cost that is determining which technology will be used in the future
Dumbo- Not only a troll a cross promoter as well quite disgusting really , would you like me to do the same as could rally 4 - 5 to join me , show some respect pull your head in as you certainty now are making a complete fool of yourself.
Dumbo - Your ignorance and complete lack of civil manners are quite disgusting and once again posting unsolicited untruthful comments on a forum that you hold no financial interest in , You really need to seek professional advise for your affliction of trolling as you are now making a complete imbecile of yourself .
Dumbo , Really you are a non holder posting multiple times a day in a share that you hold with no financial interest in, Are you mentally challenged or just simply a imbecile the later is probably my best guess .
Dumbo your fixation to PRE is quite disturbing to say the least and is boarder lining on a psychotic behaviour and is certainty unsolicited on this forum , Trolling is a sickness and you are showing all the signs of your affliction , Do hope you realise now you need to receive professional help with a prescribed medication to treat your illness.
Dumbo wrong again as usual without knowledge just billowing out rot.
https://roskill.com/news/rare-earths-hitachi-ltd-to-sell-hitachi-metals-including-ndfeb-magnet-patent-and-production-facilities/ now owned by Brain & Company out of the US.
And https://www.neomaterials.com/magnequench/ who holds the the rest of the NdFeB patents with
the Chinese holding some patents under licence and ripping off the rest.
Think you mite have posted on the wrong company forum DP , Would suggest you spend a bit more time and effort on your part getting these basic tasks done correctly and sharing your content with holders of that stock , This cry for attention on the PRE forum now is quite embarrassing and showing complete ignorance on your behalf.
DP - You are a complete D'''H''D have being watching your posts on PRE for some now and are completely dumbfounded with your inability to comprehend the scale of opportunity that Pensana is presenting to the market , Would suggest that this opportunity is well out of your understanding or comprehension and you should go back to playing in your sand pit at RBW and do us all a favour by not having to put up with your complete ignorance because now quite frankly it is embarrassing .
Have being a long term holder and what seems to be overlooked lately with Saltend and approvals is the huge size of Longonjo 313 million tonnes at 1.43% REO including 0.32% NdPr for 4,470,000 tonnes of REO including 990,000 tonnes of NdPr and open at three sides and fresh rock mineralisation immediately below the weathered zone have reported continuous mineralisation to a depth of 80 metres, and also The Coola carbonatite has an enriched distribution of heavy rare earths compared to the light rare earth elements including neodymium-praseodymium (NdPr) at Pensana’s Longonjo
Looks like to me PRE Longonjo with Coola is going to be a one stop stop for Light and Heavies RARE EARTHS