Fig. 6

Performance of a Li–S battery employing the MFC-Li/CNF electrode. a, b Voltage profiles of Li–S batteries with a sulfur loading of 6.8 mg cm⁻² at 23 °C (a); and at 45 °C (b). c Voltage profiles of Li–S batteries with a sulfur loading of 10.2 mg cm⁻² at 45 °C. d Cycling performance with a sulfur loading of 6.8 mg cm⁻² at 1.0 or 4.0 mA cm⁻², at 23 °C or 45 °C. e Cycling performance with a sulfur loading of 10.2 mg cm⁻² at 4.0, 6.0 or 8.0 mA cm⁻² at 45 °C