Rapid Progress in Battery Technology Continues on Multiple Fronts, Promising Economical and Secure Energy Solutions
In the world of automotive technology, advancements in battery technology are making waves. Two notable developments have emerged recently, with CATL and Rimac Technology leading the charge.
CATL's Innovative Offerings
At the International Motor Show (IAA), CATL unveiled the CATL Freevoy Dual-Power battery, a unique creation that allows visitors to mix and match chemistries and choose from various variables for a hands-on plaything. The battery boasts separate zones for different chemistries, enabling separate cooling systems, battery management systems, high versus low voltage, dual thermal-runaway/safety systems, and two internal structures.
Another groundbreaking CATL battery is the Shenxing Pro, designed and built in Europe for Europe's fleet leasing market. The Shenxing Pro incorporates CATL's NP 3.0, the latest chemistry—the new or next phosphate. This battery promises a range of 122 kWh of charge and is designed to deliver 12 years and 1 million kilometers (621,371 miles) of service or 10,000 charge-discharge cycles, retaining 70 percent of its capacity when new. Remarkably, the Shenxing Pro retains 95 percent of its capability at -4 degrees F (-20 C), eliminating the need for winter heating. Additionally, it offers 10-80 percent charging in just 15 minutes.
Rimac's Partnership with ProLogium
Meanwhile, Rimac Technology has signed a memorandum of understanding with ProLogium to further develop ProLogium's "Superfluidized all-inorganic solid-state lithium ceramic battery." This collaboration aims to push the boundaries of battery technology, with Rimac displaying a 100-kWh mockup of the Next-Gen solid-state battery pack, which will be packaged as a pouch in a cell-to-pack format.
The Next-Gen solid-state battery pack uses nickel-manganese-cobalt in a 90-5-5 percent ratio for its chemistry, with a 100 percent silicon anode. The housing is thermoplastic, and it has a mass of 847 pounds, which is 189 lighter than the Evo. The operating voltage range for the Next-Gen is 540-907, and it can discharge at 850 kW, charging from 10 to 80 percent in 6.5 minutes.
The "Superfluidized" technology, as used in this battery, refers to a solid electrolyte that behaves at the electrode interface like a liquid while remaining a solid. This technology is designed to prevent fire or smoke propagation during thermal runaway and retain the ability to deliver power during such an event.
In summary, the automotive industry is witnessing significant advancements in battery technology, with CATL and Rimac leading the charge. The CATL Freevoy Dual-Power battery and the CATL Shenxing Pro battery, as well as the Next-Gen solid-state battery pack developed by Rimac, are set to revolutionize the industry with their improved power and energy density, faster charging times, and enhanced safety features.
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