one-pot synthesis of Li_(2)S–P_(2)S_(5)–LiI solid electrolyte precursors in a short time of 30 min is demonstrated by using ethyl propionate as a solvent.Li_(2)S,P_(2)S_(5) and LiI powders were shaken for different ...one-pot synthesis of Li_(2)S–P_(2)S_(5)–LiI solid electrolyte precursors in a short time of 30 min is demonstrated by using ethyl propionate as a solvent.Li_(2)S,P_(2)S_(5) and LiI powders were shaken for different times in the solvent.The precursor suspension was evacuated at room temperature(RT)and then heated to 170℃ for 2 h to obtain Li_(7−0.08x)P_(2)S_(8−0.04x)I solid electrolytes.A high ionic conductivity up to 4.6×10^(−4) S cm^(−1) at RT was achieved with x=1 and a shaking time of 45 min.The formation of electrolyte precursors in 30 min is the shortest time that has ever been reported.展开更多
Energy-efficient electrolytic hydrogen generation is highly desired but still remains challenging.In this work,we demonstrate that a Cu_(3)P nanoarray on copper foam(Cu_(3)P/CF)behaves as a high-performance electrocat...Energy-efficient electrolytic hydrogen generation is highly desired but still remains challenging.In this work,we demonstrate that a Cu_(3)P nanoarray on copper foam(Cu_(3)P/CF)behaves as a high-performance electrocatalyst for hydrazine oxidation reaction(HzOR)in alkaline electrolytes.A full electrolytic system employing Cu_(3)P/CF as both an anode for HzOR and a cathode for hydrogen evolution reaction drives 100 mA cm^(-2)at a voltage of 0.72 V in 1.0 M KOH aqueous solution with 0.5 M hydrazine.It also demonstrates high long-term stability.展开更多
基金supported by the Advanced Low Carbon Technology Specially Promoted Research for the Innovative Next Generation Batteries(JST-ALCA-SPRING)program of the Japan Science and Technology Agency.
文摘one-pot synthesis of Li_(2)S–P_(2)S_(5)–LiI solid electrolyte precursors in a short time of 30 min is demonstrated by using ethyl propionate as a solvent.Li_(2)S,P_(2)S_(5) and LiI powders were shaken for different times in the solvent.The precursor suspension was evacuated at room temperature(RT)and then heated to 170℃ for 2 h to obtain Li_(7−0.08x)P_(2)S_(8−0.04x)I solid electrolytes.A high ionic conductivity up to 4.6×10^(−4) S cm^(−1) at RT was achieved with x=1 and a shaking time of 45 min.The formation of electrolyte precursors in 30 min is the shortest time that has ever been reported.
基金National Natural Science Foundation of China(21575137)。
文摘Energy-efficient electrolytic hydrogen generation is highly desired but still remains challenging.In this work,we demonstrate that a Cu_(3)P nanoarray on copper foam(Cu_(3)P/CF)behaves as a high-performance electrocatalyst for hydrazine oxidation reaction(HzOR)in alkaline electrolytes.A full electrolytic system employing Cu_(3)P/CF as both an anode for HzOR and a cathode for hydrogen evolution reaction drives 100 mA cm^(-2)at a voltage of 0.72 V in 1.0 M KOH aqueous solution with 0.5 M hydrazine.It also demonstrates high long-term stability.
