US-based researchers found a way to revitalize rechargeable lithium batteries, potentially boosting the range of EVs and battery life in next-gen electronic devices.
Metal price rose on Friday, supported by a rebound in equities and tight supply, but a firmer dollar and expectations of an early US interest rate hike kept copper on track for its biggest weekly decline in more than two months.
Utilities in the region are fully relying on long-term contract supplies from domestic mines, and do not need to purchase from the spot market at the moment, said a Chinese coal trader.