Researchers at Chalmers University of Technology say that Janus graphene - named after the Roman god of new beginnings - can open new doors to high-capacity sodium-ion batteries.
In Jiangsu, China's second-largest steel-producing province, a campaign to monitor energy consumption among industrial enterprises including steelmakers raised fears of further disruption in blast furnace operations.
The World Platinum Investment Council said this week that it expects higher costs of palladium, used in vehicle pollution-control devices, to spur a gradual switch by automakers to using more platinum in gasoline-powered cars and trucks.