Israel-based StoreDot, the developer of extreme fast charging battery technology for electric vehicles (earlier post), has demonstrated a prototype 4680 form factor cell that is fully charged in just 10 minutes.
StoreDot’s extreme fast charging cells have been in development for more than three years. Work for these technologies was kicked off at Warwick University in the UK with collaboration with StoreDot’s strategic partner BP. It has been further developed harnessing experts from across the globe. The work is covered with five patents in the area of cell design and uses StoreDot’s continuous tab technology.
Such cell design increases throughput and addresses safety and performance issues typically associated with the hard case structure of cylindrical cells.
Testing at StoreDot facility has shown promising low levels of internal resistance. Cylindrical cell samples are now ramping up the production lines at EVE Energy, StoreDot’s manufacturing partner in China.
StoreDot’s XFC batteries deliver a 50% reduction in charging time at the same cost, in both pouch and cylindrical cell forms. Both formats are undergoing scale-up process at EVE Energy and will be ready for mass production in 2024.
Achieving the goal of extreme fast charging a cylindrical cell in only 10 minutes has been on StoreDot’s technology roadmap from day one. After three years of vigorous development and testing, leveraging multiple vectors of our world class researches, I am hugely proud at the effective collaboration across our globe that enabled this important achievement. It’s highly significant that we can offer Electric Vehicle manufacturers the choice of cell formats, utilizing our XFC technology that will overcome the current barriers to EV ownership: range and charging anxiety.
We are pleased that our silicon-dominant XFC battery cell chemistry is adaptable and can be applied to various packaging formats, to suit changing market needs. Both our cylinder and pouch cell form factors are designed to be safe, reliable and stable, and are expected to be produced at scale by 2024. We are in advanced discussions with a number of global automotive manufacturers and we plan to supply them with various XFC cells, enabling a rapid transition to a zero-emissions electrified future.—Dr Doron Myersdorf, StoreDot CEO
This world-first application of silicon-dominant anode extreme fast charge cylindrical cells signifies a number of considerable challenges that had to be resolved compared to pouch technologies. The 4680 cylindrical cell format requires unique chemistry adaptation to offset greater internal pressures, gas release and avoidance of potential leakage.
StoreDot is looking beyond its silicon-dominant XFC technology to future generation extreme energy-density (XED), based on solid-state technologies which are on target to enter mass production in 2028.
StoreDot’s strategic investors include BP, Daimler, Samsung Ventures and TDK.
Toshiba, Sojitz and CBMM partner to commercialize next-generation Li-ion batteries with NTO anodes
Toshiba Corporation, Sojitz Corporation, and CBMM have entered into a joint development agreement for the commercialization of next generation lithium-ion…
Toshiba Corporation, Sojitz Corporation, and CBMM have entered into a joint development agreement for the commercialization of next generation lithium-ion batteries using niobium titanium oxide (NTO) as the anode material.
One of the major requirements for rechargeable battery development is greater energy density and faster charging. NTO has twice the theoretical volume density of the graphite-based anode generally used in lithium-ion batteries. In June 2018, the three companies entered into a joint agreement to develop NTO’s potential as an anode material.
This work, led by Toshiba’s Corporate Research & Development Center, has reached fruition with the development of prototype cells, and the companies have now agreed to extend collaboration for accelerating development of mass production processes and the early commercialization of next-generation lithium-ion batteries.
Prototype cell & Niobium Titanium Oxide (NTO)
The three companies aim to commercialize high energy density, quick charging batteries in FY2023, mainly targeting application in commercial e-vehicles. CBMM has contracted with Volkswagen Caminhões e Ônibus, a pioneer in the development and serial production of electric trucks in Latin America, to mature this technology further in real application. Toshiba and Sojitz will support this project.
The NTO battery will be installed on new electric vehicle designed by Volkswagen Caminhões e Ônibus as a pilot project and parties will collect the valuable vehicle operation data.
Niobium (Nb), one of the metallic elements, is an important additive in the production of high-grade steel alloys, including high-tensile and stainless steel, and its ability to enhance strength while reducing weight has made it indispensable for automotive applications. Brazil-based CBMM is the world’s leading producer of niobium and is well-known for its strong technology and product development programs.
As CBMM’s shareholder and distribution agent in the Japanese market, Sojitz has cultivated the knowledge and capabilities needed to establish a stable supply system and assist in the development of different applications for niobium.
Towards commercialization, Toshiba aims to secure stable supply of niobium materials from CBMM and Sojitz, and the three companies will target to gain market share in the rapidly expanding secondary battery market by utilizing CBMM and Sojitz’s global network.
SAKOR Technologies provides new dynamometer system to U of Houston for testing electric motor, inverter & control system designs
SAKOR Technologies provided the University of Houston’s Department of Electrical and Computer Engineering with a dynamometer test system designed to…
SAKOR Technologies provided the University of Houston’s Department of Electrical and Computer Engineering with a dynamometer test system designed to test motor and inverter designs for use in hybrid and electric vehicle applications.
The system features dual opposin 7.5 kW AccuDyne four-quadrant AC motoring dynamometers, variable frequency drives, and a variety of subsystems configured for testing electrical machines. The dynamometers are capable of bi-directional loading and motoring, allowing researchers to test different algorithms and designs. One dynamometer will be used for testing permanent magnet motors and the other will be used to test induction motors.
The dynamometers feature regenerative operation, which recovers most of the load energy and makes the system extremely power efficient. They operate at up to 8,000 revolutions per minute (rpm) and offer up to 150% overload capacity, making them compatible with most small hybrid and electric vehicle architectures.
The system is automated by SAKOR’s DynoLAB test automation control system which provides the capabilities necessary for the typical test engineer and/or technician to design and implement complex test procedures without the need to learn a programming language. tevp
We are extremely happy to be involved with universities pursuing important research and development necessary to design new energy efficient technologies. This flexible testing system is ideal for use in an academic environment and users can develop and test many different algorithms and technologies with a single test system.—Randal Beattie, president of SAKOR
Mustang Mach-E first EV to pass Michigan State Police tests
The Ford Pro all-electric police pilot vehicle based on the 2021 Mustang Mach-E SUV has become the first all-electric vehicle to pass the rigorous Michigan…
The Ford Pro all-electric police pilot vehicle based on the 2021 Mustang Mach-E SUV has become the first all-electric vehicle to pass the rigorous Michigan State Police 2022 model year evaluation. (Earlier post.)
Testing included acceleration, top speed, braking and high-speed pursuit, as well as emergency response handling characteristics. Michigan State Police is one of two law enforcement agencies that annually test new model year police vehicles and publish the results for use by agencies nationwide.
The fact that the Mustang Mach-E successfully stood up to the grueling Michigan State Police evaluation demonstrates that Ford can build electric vehicles that are capable, tough and reliable enough for even the most challenging jobs. We understand the needs of our commercial customers and are committed to unlocking new electrification opportunities for them.—Ted Cannis, CEO of Ford Pro
Ford Pro submitted the all-electric police pilot vehicle for testing in the Michigan State Police 2022 model year evaluation 18-20 September. Michigan State Police will publish results for vehicles tested on its website later in the fall.
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