کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
6613185 459588 2014 8 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Electrodeposition of three-dimensional macro-/mesoporous Co3O4 nanosheet arrays as for ultrahigh rate lithium-ion battery
موضوعات مرتبط
مهندسی و علوم پایه مهندسی شیمی مهندسی شیمی (عمومی)
پیش نمایش صفحه اول مقاله
Electrodeposition of three-dimensional macro-/mesoporous Co3O4 nanosheet arrays as for ultrahigh rate lithium-ion battery
چکیده انگلیسی
Three dimensional (3-D) macro-/mesoporous Co3O4 nanosheet arrays electrode is produced by annealing β-Co(OH)2 nanosheet arrays electrodeposited on the 3D macroporous copper substrate which is prepared by electroless plating. As for anode of lithium-ion battery, it displays excellent electrochemical performance, such as high reversible capacity of 967 mAh/g in the first cycle at 0.2 A/g, excellent cycleability (The reversible capacity remains 840 mAh/g after 500 cycles at 1 A/g), and excellent high rate capacity (The reversible capacity at 20 A/g remains 38.0% of that of first cycle at 0.1 A/g). The excellent electrochemical performance can be attributed to its unique morphology. The macropores of 3D porous copper substrate, mesopores of Co3O4 nanosheets and open space between Co3O4 nanosheets can provide lithium-ion rapid transport channels, Co3O4 nanosheets directly grown on 3D porous copper substrate can provide electron rapid transport channels.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Electrochimica Acta - Volume 142, 1 October 2014, Pages 268-275
نویسندگان
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