The battery retained 76 percent capacity after 500 consecutive six-minute charging cycles. Charging an electric vehicle fast without degrading the battery has been one of the harder problems in battery research. A team at Adelaide University says it has a way through it. Six minutes. That is how long it took their new battery cell to reach 85 percent charge, while delivering an energy density of 240.4 watt-hours per kilogram. The result comes from a team led by Professor Shi-Zhang Qiao, an ARC Industry Laureate Fellow in the University’s School of Chemical Engineering, working alongside researchers from Imperial College London....