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Synthesis of porous activated carbon powder formation from fruit peel and cow dung waste for modified electrode fabrication and application
Biomass & Bioenergy ( IF 6 ) Pub Date : 2020-10-05 , DOI: 10.1016/j.biombioe.2020.105800
Rajabathar Jothi Ramalingam , M. Sivachidambaram , J. Judith Vijaya , Hamad A. Al-Lohedan , M.R. Muthumareeswaran

Porous activated carbon (PAC) powder is prepared from solid bio-wastes such as jack fruit peel waste (AP) and cow dung samples (CD). The activation process is carried out by phosphoric acid treatment followed by calcination at different temperature condition. XRD pattern confirms the amorphous phase formation with graphitic nature for different precursor utilization. BET Surface area measurement are showing higher surface area values for both AP and CD precursor route derived carbon samples. FE-SEM analysis shows the uniform and hierarchical porous network formation and aggregated particle with tiny nanotube and spherical carbon nanoparticle morphology obtained in TEM analysis. X-ray analysis confirms the formation of graphitic carbon and porous morphology for sample activated at increased calcination temperature. TEM images of JF carbon samples are shows spherical nanoball and nanotube morphology. The elemental composition of as prepared carbon samples is determined by SEM-EDX and confirms the formation major carbon content existence. The electrochemical property is analyzed by various electrochemical tools and it shows stable activity for super capacitor application. Nickel foil based modified electrode was fabricated using as prepared activated porous carbon material. The Cs (specific capacitance) of the carbon sample activated at high temperature (900 °C) shows 324 and 347 F/g AP-9 and CD-9 samples. The comparative surface property characterization and detailed electrochemical property was carried out between peel waste and cow dung derived porous activated carbon samples through cyclic voltammetry, Galvano static charge-discharge and electrochemical impedance spectroscopy analysis.



中文翻译:

由果皮和牛粪废料合成多孔活性炭粉体的修饰电极的制备与应用

多孔活性炭(PAC)粉末是由固体生物废料制成的,例如,杰克果皮废料(AP)和牛粪样品(CD)。活化过程通过磷酸处理,然后在不同温度条件下煅烧来进行。XRD图谱证实了对于不同的前体利用,具有石墨性质的非晶相形成。BET表面积测量显示,AP和CD前体路线衍生的碳样品均具有较高的表面积值。FE-SEM分析显示通过TEM分析获得的均匀且分层的多孔网络形成以及具有微小纳米管和球形碳纳米粒子形态的聚集粒子。X射线分析证实了在升高的煅烧温度下活化的样品的石墨碳的形成和多孔形态。JF碳样品的TEM图像显示了球形纳米球和纳米管的形态。制备的碳样品的元素组成通过SEM-EDX确定,并确认形成的主要碳含量存在。通过各种电化学工具对电化学性能进行了分析,它对超级电容器应用显示出稳定的活性。使用制备的活性多孔碳材料制造镍箔基改性电极。在高温(900°C)下活化的碳样品的Cs(比电容)显示324和347 F / g AP-9和CD-9样品。通过循环伏安法对果皮废料和牛粪衍生的多孔活性炭样品进行了比较的表面性质表征和详细的电化学性质,

更新日期:2020-10-06
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