کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
185464 459598 2014 7 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Selective Carbon Coating Techniques for Improving Electrochemical Properties of NiO Nanosheets
موضوعات مرتبط
مهندسی و علوم پایه مهندسی شیمی مهندسی شیمی (عمومی)
پیش نمایش صفحه اول مقاله
Selective Carbon Coating Techniques for Improving Electrochemical Properties of NiO Nanosheets
چکیده انگلیسی

The performance of rechargeable Li-ion batteries is mainly associated with their kinetic problems linked to the solid-state diffusion of Li in intercalation electrodes and the quality of interfaces. To solve the kinetic problems of NiO anodes, we have developed novel coating techniques to prepare NiO@C nanoplates using oleic acid as the carbon resource and evaluated as electrode materials for lithium-ion batteries. The as-prepared NiO@C using oleic acid and NiO nanoplates as precursors exhibited a reversible capacity of 883 mAh g−1 over 50 cycles. The excellent electrochemical property could be attributed to high electric conduction and unique carbon nanolayer in the shell, which could alleviate the structural strain, and form a stable SEI film on the surface of composites. This work demonstrates such coating precursor techniques are effective to solve above-mentioned kinetic problems of electrode materials, and would direct us to prepare other composites for electrochemical devices.

ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Electrochimica Acta - Volume 133, 1 July 2014, Pages 93–99
نویسندگان
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