The iodine and bromine-based aqueous battery showed an energy density of 1200 watt-hours per liter, surpassing the 700Wh/L of non-aqueous lithium batteries.
President pushed for a review of the 2008 infrastructure for minerals deal with Sinohydro Corp and China Railway Group to bring more benefits for Congo, the world's biggest cobalt producer.
The US Treasury Department gave automakers additional flexibility on battery mineral requirements for EV tax credits on some minerals from China, such as graphite.
The proposed $39 billion combination has more than enough components to trigger intense oversight by regulators concerned about implications for market concentration and access to key minerals.
Miners like Zijin Mining, China Minmetals and others are likely to examine closely a deal that creates the world’s top copper producer, Bloomberg says.