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Preparation of Pd-based metal oxide electrocatalysts and their applications in the electro-oxidation of ethanol in alkaline medium / Ahmed Eslam Fahim Abdelatty ; Supervised Randa Mohammed Abdelhameed , Nageh Khalaf Allam

By: Contributor(s): Material type: TextTextLanguage: English Publication details: Cairo : Ahmed Eslam Fahim Abdelatty , 2019Description: 95 P. : charts , facsimiles ; 25cmOther title:
  • تحضير عوامل حفازة كهربية من أكسيد الفلز القائم على البلاديوم وتطبيقاتها في الأكسدة الكهربية للإيثانول في وسط قاعدى [Added title page title]
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Dissertation note: Thesis (M.Sc.) - Cairo University - Faculty of Science - Department of Physical Chemistry Summary: Core-shell structured M@Pd/SnO₂-graphene (Gr), [M = Co, Ni or Cu] electrocatalysts were synthesized using ethylene glycol as a reducing agent with the aid of microwave irradiation in a two-step process. XRD, TEM and EDX analysis techniques were employed to physically characterize the prepared electrocatalysts. They revealed the formation of SnO₂Gr as a support, surrounded by M as a core that coated with Pd as a shell. Cyclic voltammetry, chronoamperometry and electrochemical impedance spectroscopy were employed to investigate the electrocatalytic activity of prepared electrocatalysts for ethanol oxidation in NaOH solution. Chronoamperometry test demonstrated enhanced electrochemical durability for fabricated core-shell structured electrocatalysts. Lowered charge transfer resistance values were also measured at these electrocatalysts during ethanol oxidation reaction
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Thesis Thesis قاعة الرسائل الجامعية - الدور الاول المكتبة المركزبة الجديدة - جامعة القاهرة Cai01.12.11.M.Sc.2019.Ah.P (Browse shelf(Opens below)) Not for loan 01010110078885000
CD - Rom CD - Rom مخـــزن الرســائل الجـــامعية - البدروم المكتبة المركزبة الجديدة - جامعة القاهرة Cai01.12.11.M.Sc.2019.Ah.P (Browse shelf(Opens below)) 78885.CD Not for loan 01020110078885000

Thesis (M.Sc.) - Cairo University - Faculty of Science - Department of Physical Chemistry

Core-shell structured M@Pd/SnO₂-graphene (Gr), [M = Co, Ni or Cu] electrocatalysts were synthesized using ethylene glycol as a reducing agent with the aid of microwave irradiation in a two-step process. XRD, TEM and EDX analysis techniques were employed to physically characterize the prepared electrocatalysts. They revealed the formation of SnO₂Gr as a support, surrounded by M as a core that coated with Pd as a shell. Cyclic voltammetry, chronoamperometry and electrochemical impedance spectroscopy were employed to investigate the electrocatalytic activity of prepared electrocatalysts for ethanol oxidation in NaOH solution. Chronoamperometry test demonstrated enhanced electrochemical durability for fabricated core-shell structured electrocatalysts. Lowered charge transfer resistance values were also measured at these electrocatalysts during ethanol oxidation reaction

Issued also as CD

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