Silicon anode breakthrough - E-Mobility Engineering

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loading="lazy" src="https://www.emobility-engineering.com/content/uploads/2021/05/zephyr-1024x681.jpg" alt="" class="wp-image-1856" width="768" height="511" srcset="https://www.emobility-engineering.com/content/uploads/2021/05/zephyr-1024x681.jpg 1024w, https://www.emobility-engineering.com/content/uploads/2021/05/zephyr-300x200.jpg 300w, https://www.emobility-engineering.com/content/uploads/2021/05/zephyr-768x511.jpg 768w, https://www.emobility-engineering.com/content/uploads/2021/05/zephyr.jpg 1112w" sizes="(max-width: 768px) 100vw, 768px" /><figcaption><strong><em>The Airbus Zephyr uses batteries that leverage silicon nanowire technology for improved energy density</em></strong><br>(Courtesy of Airbus)</figcaption></figure></div> <p><em>Battery manufacturer Amprius claims it has perfected the application of silicon for lithium-ion anodes (writes Lawrence Butcher). </em><br></p> <p>Based on its proprietary silicon nanowire technology, it says it has demonstrated breakthrough performance in energy density and cycle life. Silicon anodes have much higher speciﬁc capacity than the graphite anodes used in conventional lithium-ion batteries. In particle or ﬁlm structures, however, silicon is unstable and lasts only a few recharge cycles. Amprius says its silicon nanowire structures overcome this instability, enabling hundreds of cycles with speciﬁc energies of more than 435 Wh/kg and energy densities in excess of 1200 Wh/litre. <br></p> <p>The silicon nanowire batteries are currently in use in the Airbus Zephyr UAV, which operates as a high-altitude pseudo-satellite (at heights above 70,000 ft), with the high speciﬁ c energy of the batteries allowing for much longer run times than would be possible with traditional lithium-ion batteries of a similar size.<br> </p> </div> <div class="right-section"> <h5 class="partners-side_title">ONLINE PARTNERS</h5> <div class="wp-block-partners-side-wrapper"> <img class='partner-side-image' src='https://www.emobility-engineering.com/content/uploads/2021/05/John-Deere.png' title="John Deere" onclick="window.open('https://www.deere.com/en/electronics/telematics/?cid=BAC_JDES_enUS_Dcom_emob_engineering');"/> <img class='partner-side-image' 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