Fraunhofer IWS has launched a new research project called ‘MaSSiF – Material Innovations for Solid-State Sulfur-Silicon Batteries’ to develop sulfur-based prototype cells, which the team expects to become “very lightweight and cost-effective” while another component will secure the battery’s longevity.
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The Californian battery material specialist Sila Nanotechnologies has presented Titan Silicon, its anode material made of nanocomposite silicon (NCS). It is said to help electric vehicles achieve 20 per cent more range today – with the potential to double the range advantage in the future.
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British battery developer Nexeon secured over 200 million dollars to fund battery materials manufacturing. The company speaks of soon making “tens of thousands of metric tonnes” of its silicon-based anode materials and mentions supplying Tier 1 OEMs.
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The South Korean steel group Posco, which is very active in the field of battery materials for electric vehicles, has acquired Tera Technos, a Korean start-up for silicon anode materials, for the equivalent of around 37 million euros.
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Zenlabs Energy has received $3.5 million from the US Advanced Battery Consortium (USABC) to co-fund a two-year project focusing on electrolyte and active materials in silicon-dominant anode cells. Jet maker Lilium has licensed the technology to power its zero-emission aircraft expected in 2025.
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Researchers from LG Energy Solution and the University of California San Diego have developed a new type of battery that combines two technological approaches. The battery has both a solid-state electrolyte and an all-silicon anode, making it an all-silicon solid-state battery.
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Slovakia’s battery specialist InoBat announces cooperation with Group14 Technologies, a supplier of lithium-silicon battery materials based in the US. The partners say they will produce customisable, high-energy-density batteries for automotive applications using Group14’s patented anode.
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The Japanese battery manufacturer GS Yuasa has developed a silicon-metal-based electrode which leads to a higher energy density and longer life cycles. It is said that the energy density can be tripled compared to conventional lithium-ion batteries.
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Daimler has acquired a minority stake in the Californian battery materials specialist Sila Nanotechnologies, with which BMW already cooperates. The company completely replaces conventional graphite electrodes with silicon-dominated composites.
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The semiconductor company Infineon is taking over the Dresden-based startup Siltectra for 124 million euros. The latter has developed an innovative process called cold split, which is used in chip processing to save material and process crystals more efficiently.
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Kiel University and RENA Technologies are jointly developing silicon as storage material for batteries. The partners are working on anodes made from 100% silicon that could replace graphite. Stability was achieved through targeted structuring.
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