SiO2/Ionic Liquid Hybrid Nanoparticles for Solid-State Lithium Ion Conduction

被引：33

作者：

Delacroix, Sebastien ^{[1
,2
,3
,5
]}

Sauvage, Frederic ^{[2
,3
,5
]}

Reynaud, Marine ^{[2
,3
,5
]}

Deschamps, Michael ^{[4
,5
]}

Bruyere, Stephanie ^{[2
,3
,5
]}

Becuwe, Matthieu ^{[2
,3
,5
]}

Postel, Denis ^{[1
,3
,5
]}

Tarascon, Jean-Marie ^{[2
,3
,5
]}

Albert Nguyen Van Nhien ^{[1
,3
,5
]}

机构：

[1] Univ Picardie Jules Verne, CNRS FRE 3517, Lab Glycochim Antimicrobiens & Agroressources, F-80039 Amiens 1, France

[2] Univ Picardie Jules Verne, CNRS UMR 7314, Lab React & Chim Solides, F-80039 Amiens 1, France

[3] Univ Picardie Jules Verne, FR CNRS 3085, UFR Sci, Inst Chim Picardie, F-80039 Amiens 1, France

[4] CEMHTI CNRS UPR3079, F-45071 Orleans 2, France

[5] FR CNRS 3459, Reseau Stockage Electrochem Energie RS2E, F-80039 Amiens, France

来源：

CHEMISTRY OF MATERIALS | 2015年 / 27卷 / 23期

关键词：

SOGGY SAND ELECTROLYTES; SENSITIZED SOLAR-CELLS; IONOTHERMAL SYNTHESIS; NMR; ELECTRODEPOSITION; TEMPERATURE; BATTERIES; CATHODE; ADSORPTION; LIFEPO4;

D O I：

10.1021/acs.chemmater.5b02944

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

We report the physical and electrical characterization of a series of substituted imidazolium-based ionic liquids grafted on Stober-type SiO2. This hybrid architecture affords an increase of the lithium transference to 0.56 by hindering TFSI- (bis(trifluoromethane)sulfonimide) mobility to the total ionic conductivity. When doped with 16 wt % wt LiTFSI, the resulting hybrid organic/inorganic solid material exhibits a lithium diffusion coefficient of 2 x 10(-12) m(2)/s at 87 degrees C and a conductivity of ca. 10(-6) S/cm at room temperature and 10(-4) S/cm at 65 degrees C with an activation energy barrier of 0.89 eV.

引用

页码：7926 / 7933

页数：8

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