用于Li-S蓄电池的掺杂的碳-硫物质纳米复合物阴极

• Format: Patent
• Language: Chinese
• Published: 17.11.2017
• Subjects: BASIC ELECTRIC ELEMENTS; ELECTRICITY; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY; REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGYGENERATION, TRANSMISSION OR DISTRIBUTION; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS; TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE

我们报道了种掺杂杂原子的碳构架，其同时充当用于锂-硫阴极的导电网络和多硫化物固定剂。该掺杂的碳与单质硫和/或硫化合物形成化学键合。这可以显著地抑制多硫化锂在电解质中的扩散，从而导致高的容量保持率和高的库仑效率。