Cell manufacturer Godi India announces new tech to improve EV range

15 Dec 2022 CW Team

Godi India, the first firm to receive quality certification to market lithium-ion cells built using in-house technology, announced the production of lithium-ion cells using silicon anode technology.

By employing silicon in the anode, an electric car can obtain a higher range on a single charge, up to 15-20% more than graphite. The 5.2 Ah (Ampere hours) 21700 cylindrical lithium-ion batteries with an energy density of 275 Wh/kg (watt-hour per kilogram) are India's first, says the business.

Godi India proposed for a 100 MWh pilot production facility for 5.0-5.2Ah cells followed by a GWh plant to accommodate to the requirements of the highly demanding electric two wheeler's needs, which is more than 50GWh by 2030 exclusive for electric two wheelers battery segment.

Silicon is the future of energy storage, with a lithium-ion cell market for electric two-wheelers predicted to be worth $5 billion by 2030. When compared to the traditional graphite anode, silicon-based cells can store roughly ten times the energy. However, it experiences almost 400% volume expansion during the charge and discharge operation, making it difficult to stabilise.

Godi India said it has developed an eco-friendly water-based electrode manufacturing process to stabilise the silicon, which has been successfully utilized in the manufacturing of the 5.2 Ah lithium-ion cells.

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