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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