Eco-friendly process toward collector- and binder-free, high-energy density electrodes for lithium-ion batteries

被引:11
作者
Bibienne, Thomas [1 ]
Maillaud, Laurent [2 ,3 ]
Rousselot, Steeve [1 ]
Taylor, Lauren W. [2 ,3 ]
Pasquali, Matteo [2 ,3 ]
Dolle, Mickael [1 ]
机构
[1] Univ Montreal, Dept Chem, 2900 Blvd Edouard Montpetit, Montreal, PQ H3T 1J4, Canada
[2] Rice Univ, Smalley Inst Nanosci & Technol, Dept Chem & Biomol Engn, 6100 Main St, Houston, TX 77005 USA
[3] Rice Univ, Smalley Inst Nanosci & Technol, Dept Chem, 6100 Main St, Houston, TX 77005 USA
基金
加拿大自然科学与工程研究理事会;
关键词
High-energy density electrodes; Self-standing electrodes; LiFePO4; Collector- and binder-free electrodes; Eco-friendly synthesis; ALUMINUM CURRENT COLLECTORS; WALLED CARBON NANOTUBES; HIGH-POWER; HYDROTHERMAL SYNTHESIS; CORROSION; FILMS; PERFORMANCE; LIGHTWEIGHT; CATHODE; CONDUCTIVITY;
D O I
10.1007/s10008-016-3488-9
中图分类号
O646 [电化学、电解、磁化学];
学科分类号
081704 ;
摘要
The preparation of collector- and binder-free, high-energy density cathodes made from carbon-coated LiFePO4 (C-LFP) and single-walled carbon nanotubes (SWNT) is reported here. These electrodes were developed using a simple to execute, two-step, eco-friendly process. The C-LFP and the SWNT were dispersed in IPA and water, respectively, and then filtered. Electrodes with active material loading as high as 95 wt% were achieved. These electrodes exhibit high specific capacities of 144 mAh/g of electrode at C/10 rate. Additionally, the specific gravimetric power and energy of the C-LFP/SWNT self-standing electrodes surpassed that of the supported electrodes at high C-rate. Finally, the successful preparation of such high-energy density electrodes may provide a step toward the US DOE targets of batteries for electric vehicles for the year 2022.
引用
收藏
页码:1407 / 1416
页数:10
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