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lofed銅蟲 (小有名氣)
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XRD of samples was performed on a diffractometer (D/Max-2400) with Cu Kα radiation (=1.5418 Å at 40 kV, 60 mA. Morphology of the ZnO-graphene composites was investigated with FESEM (JSM-6701F, Japan). TEM image was taken with a transmission electron microscope (JEOL, JEM-2010, Japan) operating at 200 kV. The N2 adsorption–desorption isotherms of the samples were measured at 77 K using Quantachrome Instruments (version 2.02) in order to determine the specific surface areas. The components omaterials were measured by a Nicolet Nexus 670 FT-IR instrument. Thermal analysis was carried out using a Perkin-Elmer TG/DTG–6300 instrument in a temperature range of 30–750 ℃. A heating rate of 10 ℃ min–1 in air with a flow rate of 20 mL min-1 was used. A typical three-electrode test cell in 0.1M Na2SO4 electrolyte at room temperature was used for cyclic voltammograms (CV), galvanostatic charge–discharge tests and electrochemical impedance spectroscopy (EIS), using a CHI660B (CH Instrument) electrochemical working station. The prepared electrode was used as the working electrode. A platinum foil served as the counter electrode and standard calomel electrode (SCE) as the reference electrode. |
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lofed: 金幣+10, 翻譯EPI+1, ★★★★★最佳答案, 真是神速，小弟不甚感激！ 2014-01-12 01:53:48
lofed: 金幣+10, 翻譯EPI+1, ★★★★★最佳答案, 真是神速，小弟不甚感激！ 2014-01-12 01:53:48
| 樣品X射線衍射的衍射儀（ D/Max-2400 ）采用Cu Kα輻射（1.5418唉，40千伏，60毫安）。ZnO -石墨烯復(fù)合材料的形態(tài)學(xué)用場發(fā)射掃描電子顯微鏡（ JSM- 6701F ，日本）進(jìn)行研究。 透射電鏡圖像是用透射電子顯微鏡（ JEOL ， JEM -2010 ，日本）在200千伏進(jìn)行。樣品的N2吸附 - 脫附等溫線用美國康塔儀器公司（2.02 版本）在77 K測定 ，以確定具體的表面積。物質(zhì)成分用Nicolet Nexus 670 傅里葉變換紅外光譜儀測定。熱分析使用在Perkin-Elmer TG/DTG-6300儀器，溫度范圍30-750 ℃。以10℃每 min的升溫速率，空氣流速20毫升每分鐘。0.1M硫酸鈉室溫電解質(zhì)的典型三電極測試電池用于循環(huán)伏安（CV）圖繪制 ，恒電流充放電試驗(yàn)和電化學(xué)阻抗譜（EIS）測定 ，采用的工作站為CHI660B （CH儀器）電化學(xué)工作站。制備電極作為工作電極，一個鉑箔充當(dāng)對電極和標(biāo)準(zhǔn)甘汞電極（SCE）作為參比電極。 |
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