BOSTON, Aug. 14, 2023 /PRNewswire/ — The use of rare earths in various modern technology has drawn attention over the years. But with the rising demand for electric vehicles (EVs), the issue has been brought to the fore. 82% of the electric car market in 2022 was using electric motors based on rare earth permanent magnets. China largely controls the supply of rare earths, and this has led to significant price volatility in previous years, with a large spike in 2011/2012 and a big rise between 2021-2022. Crucially, in comparison to some other technologies, several methods can be used to eliminate the use of rare earths in electric motors, which will be outlined in this article along with the pros, cons, and adoption.
This article is based on IDTechEx’s latest “Electric Motors for Electric Vehicles 2024-2034” report that analyses different motor technologies for performance, materials, market adoption, and future potential.
To briefly describe the construction of an electric motor, a stationary part (stator) has coils of metal (typically copper) fed by an electric current to generate a magnetic field. This field will then turn the rotating part of the motor (rotor). In a rare earth permanent magnet (PM) motor, the magnets are located on the rotor.
1. The Induction Motor
In an induction motor (or asynchronous motor), the rotating magnet field produced by the stator induces currents on the rotor, which in turn produces a magnetic field that is attracted/repelled from the radial field of the stator windings. The induction motor uses copper or aluminum bars or windings on the rotor. These motors typically present good peak power and torque density over short periods but can prove challenging to thermally manage and typically have lower efficiency than PM options.
Induction motors have been common in the EV market, being the primary choice of Tesla until the release of the Model 3 (which adopted a PM design). In the car market, some proponents remain, such as Audi and Mercedes, but induction motors are now largely used as a secondary motor, used for acceleration boosts as they do not create drag when not in use, eliminating the need for a decoupler.
2. The Wound Rotor Motor
Also known as an externally excited synchronous motor (EESM), the wound rotor synchronous motor (WRSM) replaces the magnets on the rotor with coil windings that can be fed with a DC current to generate a magnetic field. This has the advantage of being able to control both the stator and rotor field. The downsides are the additional manufacturing steps required to add windings to the rotor and brushes are needed to transmit power to the rotor. These motors have historically also had poorer power and torque density, but modern versions are comparable with PM motors.
Renault was an early proponent of this technology in the Zoe, but now BMW and Nissan have adopted this design, and tier 1 MAHLE has presented a version with wireless power transfer to the rotor, eliminating the brushes.
3. The Switched Reluctance Motor
Switched reluctance motors (SRMs) are potentially the most simple to construct, with the rotor largely being constructed of steel. The steel of the rotor has low reluctance compared to the air around it, so magnetic flux preferentially travels through the steel while attempting to shorten its flux path, rotating the rotor. Despite their simplicity and reliability, SRMs have typically been plagued with poorer power and torque density with other issues, including torque ripple and acoustic noise.
While SRMs have largely been confined to more industrial or heavy-duty applications, significant efforts are going into their development for EVs. Companies like Turntide Technologies have added more rotor and stator poles and come up with more sophisticated control systems to overcome traditional issues. UK-based Advanced Electric Machines have developed a new type of motor with a segmented rotor that remains simple in construction but is said to eliminate the acoustic noise and torque ripple while improving power and torque density; this design is the center of a project alongside Bentley.
4. Alternative Magnetic Materials
While many OEMs have steadily reduced the rare earth content of their motors, Tesla gained much interest by saying that its next-generation drive system will be a PM motor without rare earths. There are several ongoing projects to develop rare earth free magnets that can compete on magnetic performance; these are at varying levels of commercialization.
The problem with alternative magnetic materials is that their magnetic performance is generally much worse. For example, some manufacturers that make rare earth and ferrite magnet motors show a reduction in power by 50-70% for ferrite version of the same size motor, meaning that to match performance, much more magnetic material and/or a much larger motor is required.
Proterial has developed magnets with magnetic properties that it states “deliver the world’s highest levels among ferrite magnets”. The motor design only requires 20% more magnetic material to keep the motor power density the same. Niron Magnetics are developing iron nitride magnets, and its next-generation versions are planned to compete with neodymium performance. PASSENGER is a European project developing strontium ferrite and manganese aluminum carbon alloys. While efforts are underway, materials with a truly comparable performance are still some ways into the future; however, with other changes to the motor design, they might not need to.
5. A High Speed Ferrite Motor with Further Optimizations
While the adoption of ferrite magnets would significantly reduce motor performance, optimizing many other motor features could minimize this impact. Australian technology company Ultimate Transmissions has submitted a patent for a ferrite motor design that it believes could be one route Tesla could take to eliminate rare earths in a PM motor.
The design uses much larger ferrite magnets and higher speeds (20,000rpm) to achieve comparable power to a similarly sized rare earth PM motor. One challenge comes from containing the magnets effectively in the rotor; a potential solution would be using a carbon fiber wrap on the rotor (a technology Tesla has already demonstrated in its Plaid vehicles). Another challenge is that the ferrite magnets would need to be heated for optimal operation, the opposite issue faced by neodymium magnets, but not unachievable.
It should be noted that this design is still in the simulation phase, and Tesla could well be taking a different approach, such as its own alternative magnetic materials. But in simulations, this approach has shown similar power, reduced costs, and reduced weight at the expense of slightly reduced torque and a longer stack.
IDTechEx predicts a significant rise in rare earth free motor technologies. Source: IDTechEx
Conclusions for the Future
There is an increasing focus, especially outside of China, on reducing the rare earth content of electric motors. There are several strategies, each with its own trade-offs and opportunities for motor manufacturers and material suppliers. IDTechEx is predicting that rare earth PM motors will remain the dominant technology, largely thanks to China’s dominance in the EV market and other mines starting to come online worldwide. However, it anticipates that rare earth free options, including those mentioned above, will account for nearly 30% of the market in 2034.
IDTechEx’s latest iteration of “Electric Motors for Electric Vehicles 2024-2034” takes a deep dive into motor technology, market adoption, material utilization, and market forecasts. It draws from a large database of vehicles and motors across vehicle segments, including cars, buses, trucks, vans, 2-wheelers, 3-wheeler, microcars, and aircraft.
To find out more about this report, including downloadable sample pages, please visit www.IDTechEx.com/motors.
IDTechEx guides your strategic business decisions through its Research, Subscription and Consultancy products, helping you profit from emerging technologies. For more information, contact [email protected] or visit www.IDTechEx.com.
Lucy RogersSales and Marketing [email protected] +44(0)1223 812300
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ComplyCube Unveils No-ID Age Estimation to Address Growing Global Age-Restriction Regulations
SAN FRANCISCO, Oct. 2, 2023 /PRNewswire/ — ComplyCube, the global Identity Verification (IDV) platform, has launched a new Age Estimation feature to safeguard minors online and protect the vulnerable. The new capability complements its existing IDV-based Age Verification solution, offering an alternative to businesses that require a lower level of identity assurance.
The AI company says the new solution leverages advanced biometric technology to derive dependable age estimations from a single selfie in seconds. The bias-tested algorithm also examines the selfie for liveness signals to prevent presentation attacks, including screen replays, 3D masks, and deepfakes.
Furthermore, the new service boasts privacy-by-design capabilities, such as configurable automatic redaction for selfies customizable per jurisdictional regulations or use cases. This makes the service ideal for seamless age-gating across the globe while adding an extra layer of protection against spoofing.
“Our multi-step pipeline and data-centric approach have enabled us to tackle ethnic, genetic, age, and gender variance to provide our clients with a fair and robust age estimation,” explains Harry Varatharasan, Chief Data Scientist of ComplyCube.
The introduction of the new features comes as concerns mount over the ease with which minors can access inappropriate digital content. While some age-verification measures have been put in place, they are disturbingly simple to evade, especially when they are based solely on entering a birth date or are vulnerable to Virtual Private Network (VPN) manipulation. A UK-based study reports that 23% of minors say they can easily sidestep such VPN limitations, while another study highlights that a staggering 56% of children aged 11 to 16 have encountered explicit material online.
In response to these growing concerns, various jurisdictions are introducing robust regulatory frameworks aimed at mandating more rigorous age-verification procedures to enhance the safety of minors online. Key legislative efforts include the UK’s Online Safety Bill, the European Union’s Digital Services Act, and California’s Age-Appropriate Design Code Act. These laws aim to establish stricter guidelines and obligations for digital platforms, thereby creating a safer online environment for younger users.
Dr. Tarek Nechma, CEO of ComplyCube, adds that “the launch of our Age Estimation feature emphasizes our pledge to ensure that minors are shielded from content beyond their years while streamlining user experience for all and building trust at scale.”
Beyond its primary goal of safeguarding children online, the feature provides additional benefits to companies operating in regulated industries that fall under a lower level of scrutiny than financial institutions. Dating apps, e-commerce, gambling, gaming, and similar businesses can now:
Enhance User Experience: Age estimation streamlines age checks, promoting faster onboarding and better retention.Simplify Regulatory Adherence: Industries can effortlessly meet age-specific regulations, safeguarding their reputation and reducing legal risks.Ensure Data Minimization and Privacy: Estimating age masks or limits sensitive data collection, aligning with top-tier data protection standards.ComplyCube’s new Age Estimation solution offers a more streamlined approach to age verification. By reducing obstacles for users and enhancing conversion rates, it brings a balance of efficiency and trust. The one-stop-shop IDV platform also underscores its commitment to responsible digital interactions, especially when it comes to safeguarding minors.
ComplyCube is a top-tier SaaS platform specializing in Identity Verification (IDV), Anti-Money Laundering (AML), and Know Your Customer (KYC) compliance. It serves a diverse client range spanning financial services, telecommunications, transport, healthcare, e-commerce, cryptocurrency, FinTech, and more.
ComplyCube’s platform, which is ISO-certified and has received multiple awards, prides itself on offering the quickest omnichannel integration available in the market. Its Low/No-Code solutions, API, Mobile SDKs, Client Libraries, and CRM Integrations make this possible.
Visit www.complycube.com to learn more.
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UNLEASH World Returns to Showcase Fortune 500 Companies Transforming the Future of Work
From startups to the Fortune 500, the event will showcase the leaders and technologies changing the world of workSpeakers include senior HR and business leaders such as L’Oréal Deputy CEO, Barbara Lavernos, JB Academy Founder, Josh Bersin, Spotify CHRO, Katarina Berg, and Sodexo CHRO, Annick de Vanssay, as well as England Rugby legend, Jonny Wilkinson CBEImagine a future where the boundaries of HR are redefined, and business is transformed. That future becomes a reality this year at UNLEASH World 2023, as 5000+ HR leaders from 100+ countries will arrive for the industry gathering of the yearLONDON, Oct. 2, 2023 /PRNewswire/ — UNLEASH, the fastest-growing HR events across Europe and the US, returns to Paris for its 11th year on 17-18 October, 2023. Organised by UNLEASH, a global digital media and events business dedicated to HR, technology, learning and recruitment leaders, the flagship UNLEASH World conference has been the epicentre for HR, recruitment, learning expertise and tech influence for the last decade. This year, it returns to explore the transformative power of technologies such as AI in shaping the future of work.
Set across 12 theaters, UNLEASH World attendees will hear from visionary keynote speakers including CEOs from L’Oréal, Aliaxis and Roullier Group, CHROs from Airbus, Spotify and Sodexo, and Rugby legends, Jonny Wilkinson, CBE and Serge Betsen. With a diverse range of keynote speakers, interactive sessions, and networking opportunities, UNLEASH World provides cutting-edge insights and best practices for everyone – from CEOs to HR leaders and executives.
“UNLEASH is the most influential HR event in the world, where attendees are given the opportunity to meet the who’s who of the industry from some of the most exciting brands and employers in the world – under one roof, over two days of face-to-face meetings,” said Marc Coleman, CEO and Founder at UNLEASH. “Massive thanks too to our Headline Sponsors who are the heartbeat of the HR Industry and help ensure UNLEASH is the go-to global event for HR Leaders, including: AWS, Bob, Deloitte, Eightfold, Phenom, Qualtrics, SAP SuccessFactors, Visier, Workday, and Workhuman”.
Through keynotes on the main stage and further breakout stages, attendees will gain on some of the most pressing topics including:
Creating an Exponential Organization in the Modern EraThe Adaptive Enterprise – HR Technology in the Age of AITech & Human Harmony in a Hyper-Connected WorldHarnessing the Power of Resilience and ReinventionMastering Employee Connection and the Social Contract in Today’s Talent LandscapeThe speaker roster itself is star-studded with 200+ of the best in the HR industry with speakers including:
Jean-Claude Le Grand, CHRO, L’OréalKatarina Berg, CHRO, SpotifyJosh Bersin, Founder & CEO, The Josh Bersin CompanyNatalia Wallenberg, CHRO, Ahold DelhaizeSalim Ismail, Founder, OpenExOAnika Grant, CPO, UbisoftThierry Baril, CHRO, AirbusBeatriz Rodriguez, Chief Talent and DEIB Officer, BayerReza Moussavian, VP of People Products, ZalandoMaud Alvarez-Pereyre, Chief People & Transformation Officer, LVMHAndrew Elston, Global Head, Workforce Strategy Enablement, HSBCLaura Hingel, Global Head of Talent & Employer Branding, Christian DiorHenrik Hansen, VP Global Head of Integrated People Services, PhilipsDenise King, Vice President, Global Benefits and Payroll, MedtronicArtur Nejmark, Head of HRIS Operations, Volvo GroupIntroducing the UNLEASH World Startup Program: A veritable launchpad for trailblazing entrepreneurs in the HR and Future of Work. UNLEASH has been the launchpad for the future of HR Tech, this high-impact platform has already seen its network of startups raise an astounding €10 billion in funding. 2023 UNLEASH World Startup Award offers an unparalleled opportunity for early-stage companies to break through. Established in 2011, this accolade has proven to be more than just a trophy; it’s a gateway to funding and exponential growth. Our last four champions and runner-up’s secured game-changing funding within months. Those interested in entering the award can find out more here.
For more information, including the agenda and how to register for the event, visit https://www.unleash.ai/unleashworld.
UNLEASH is the go-to marketplace for human resources and breakthrough technologies that shape the future of work, and is an essential source of news, analysis and market trends that inspire and empower organisational leaders worldwide. UNLEASH is a platform to share ideas that work, network and do business, and its mission is to be the world’s number one destination and marketplace for human resources, recruitment and learning leaders globally. UNLEASH is headquartered in London, UK with operations across Europe and the United States.
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BACARDÍ® RUM TO LAUNCH THE FIRST A.I. POWERED ALBUM PRODUCED BY GRAMMY WINNER BOI-1DA
The latest evolution of the iconic rum brand’s Music Liberates Music programme will use cutting-edge generative A.I. software to give a global collective of artists including UK singer/songwriter Bellah access to Boi-1da’s best-in-class production talent.
HAMILTON, Bermuda, Oct. 2, 2023 /PRNewswire/ — Continuing its mission to support emerging talent, BACARDÍ and Grammy Award-winning producer Boi-1da are once again partnering to launch this year’s evolution of the longstanding ‘Music Liberates Music’ programme: The A.I. Powered Album. Dropping this November, The A.I. Powered Album will champion works by five global up-and-coming artists in a one-of-a-kind project exploring how A.I. can be positively leveraged to provide emerging talent unprecedented opportunities. For the first time since the campaign’s inception, each artist will have the opportunity to try out multiple demos with Boi-1da’s star-powered beats, using a generative A.I. trained on the award-winning producer’s sound, to ultimately finalise one incredible track. Together, the tracks will be offered to fans as the first-ever A.I. powered EP produced by Boi-1da.
The A.I. Powered Album will feature tracks from UK-based singer Bellah as well as Ghanian-raised rapper Blackway, American R&B singers Floyd Fuji and Kyle Dion, and Canadian R&B artist Savannah Ré. Over several weeks, each artist will feed their tracks into a state-of-the-art generative A.I. tool, which has been trained on a selection of beats from Boi-1da’s unreleased catalogue and will learn the sounds and cadence of his unique musical style. After submitting their demos to Boi-1da, each artist will work alongside him to refine their works, resulting in the EP’s final set of songs to be released this November.
Bellah, from North London, has a special knack for gliding over classic R&B instrumentals and captivating audiences. With a handful of EPs under her belt, the burgeoning British/Nigerian singer/songwriter has proven why she is at the forefront of the UK R&B industry. In her third and most recent piece, Adultsville, Bellah explores what it means to evolve into a woman in the modern world. It’s the inner page of a journal that, in looking back on her life and work as a whole, she describes as the “most transforming, traumatic, eye-opening, beautiful, and awful chapter of my life.”
With a style that combines traditional R&B with an Afro influence, Bellah’s very likable and sincere lyricism shines just as brightly as her voice. Her British-Nigerian ancestry lends an Afro influence to that unfiltered R&B, a sound that has been praised by Complex and BBC 1Xtra, which named her first hit their Track Of The Week. As a rising star in the music and entertainment industry, she’s already garnered a MOBO nomination, cementing her status as one of the most promising talents in the UK music scene. With over 1 million monthly listeners on Spotify, Bellah has captivated a wide audience with her music.
As with each Music Liberates Music programme, all proceeds from the project will directly benefit the participating artists. All copyright and subsequent revenue from the tracks will remain with the artists and Boi-1da. Fans can enjoy The A.I. Powered Album available for purchase as a limited-edition vinyl as well as for free on streaming platforms, such as Spotify, this November.
“This is the fifth year we’re bringing Music Liberates Music back for artists and fans alike. We’re proud to continually support emerging talent with new resources that fuel creativity and collaboration,” said Laila Mignoni, Global Head of Brand Marketing Communications for BACARDÍ rum. “Ultimately, our goal is to provide opportunity and access to rising artists in the industry, so it’s been exciting to broaden Boi-1da’s capabilities, allowing him to work with multiple artists on multiple tracks, simultaneously as one producer. We know the conversation around AI has been a challenging one, so approaching this project with the utmost respect and protection for the artist was key in developing this new tool. The technology is, and always should be, complementary to each artist’s work and protective of all the creatives involved.”
“I’m thrilled to work with BACARDÍ on this ground-breaking new iteration of Music Liberates Music exploring AI as a tool to enrich human creativity,” says Boi-1da. “One of the most fulfilling responsibilities I have as a producer is to work with up-and-coming talent. Through the A.I. Powered Album, we’ve provided unprecedented access to my personal production style. I’m able to work with an international collective of artists simultaneously, while still honouring their creative autonomy. Music as an art has continually grown thanks to innovative technology, and with AI, I believe we can revolutionise the music industry for good if we view it as a way to provide opportunities that enhance music’s human element, rather than replace it.”
For more information and updates on the launch of The A.I. Powered Album follow @bacardi_uk on all social channels or visit Bacardi.com.
About BACARDÍ® Rum – The World’s Most Awarded Rum In 1862, in the city of Santiago de Cuba, founder Don Facundo Bacardi Massó revolutionized the spirits industry when he created a light-bodied rum with a particularly smooth taste – BACARDÍ. The unique taste of BACARDÍ rum inspired cocktail pioneers to invent some of the world’s most famous recipes including the BACARDÍ Mojito, the BACARDÍ Daiquiri, the BACARDÍ Cuba Libre, the BACARDÍ Piña Colada and the BACARDÍ El Presidente. BACARDÍ rum is the world’s most awarded spirit, with more than 1,000 awards for quality, taste and innovation. Today, BACARDÍ rum is made mainly in Puerto Rico where it is crafted to ensure the taste remains the same today as it did when it was first blended in 1862. http://www.BACARDÍ.com/
The BACARDÍ brand is part of the portfolio of Bacardi Limited, headquartered in Hamilton, Bermuda. Bacardi Limited refers to the Bacardi group of companies, including Bacardi International Limited.
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