Ultrafine Sn_(4)P_(3)nanocrystals from chloride reduction on mechanically activated Na surface for sodium/lithium ion batteries
作者机构:Key Laboratory of Superlight Materials and Surface TechnologyMinistry of EducationCollege of Materials Science and Chemical EngineeringHarbin Engineering UniversityHarbin150001China Beijing National Laboratory for Molecular Sciences(BNLMS)College of Chemistry and Molecular EngineeringPeking University5 Yiheyuan RoadBeijing100871China Comprehensive Energy Research CenterInstitute of Science and TechnologyChina Three Gorges CorporationBeijing100038China Key Laboratory for Mineral Materials and Application of Hunan ProvinceSchool of Minerals Processing and BioengineeringCentral South UniversityChangsha410083China
出 版 物:《Nano Research》 (纳米研究(英文版))
年 卷 期:2020年第13卷第11期
页 面:3157-3164页
核心收录:
学科分类:0808[工学-电气工程] 0809[工学-电子科学与技术(可授工学、理学学位)] 08[工学] 0805[工学-材料科学与工程(可授工学、理学学位)] 0702[理学-物理学]
基 金:support from the National Natural Science Foundation of China(Nos.51972075 and 51772059) the Natural Science Foundation of Heilongjiang Province(No.ZD2019E004) the Fundamental Research funds for the Central Universities
主 题:metal phosphide chloride reduction ultrafine Sn_(4)P_(3)nanocrystals lithium-ion battery(LIB) sodium-ion battery(SIB) anode material
摘 要:Nanostructured metal phosphides are very attractive materials in energy storage and conversion,but their applications are severely limited by complicated preparation steps,harsh conditions and large excess of highly toxic phosphorus *** we develop a highly efficient one-step method to synthesize Sn_(4)P_(3)nanostructure based on simultaneous reduction of SnCl_(4)and PCl_(3)on mechanically activated Na surface and in situ *** low-toxic PCl3 displays a very high phosphorizing efficiency(100%).Furthermore,this simple method is powerful to control phosphide *** Sn_(4)P_(3)nanocrystals(5 nm)supported on carbon sheets(Sn_(4)P_(3)/C)are obtained,which is due to the unique bottom-up surface-limited *** the anode material for sodium/lithium ion batteries(SIBs/LIBs),the Sn_(4)P_(3)/C shows profound sodiation/lithiation extents,good phase-conversion reversibility,excellent rate performance and long cycling stability,retaining high capacities of 420 mAh/g for SIBs and 760 mAh/g for LIBs even after 400 cycles at 1.0 A/*** simple and efficient preparation,low-toxic and high-efficiency phosphorus source and good control of nanosize,this method is very promising for low-cost and scalable preparation of high-performance Sn_(4)P_(3)anode.