TY  - JOUR
EP  - 11577
PB  - Elsevier Ltd
SN  - 03603199
SP  - 11566
TI  - Graphene supported bimetallic G-Co-Pt nanohybrid catalyst for enhanced and cost effective hydrogen generation
N1  - cited By 46
AV  - none
VL  - 39
A1  - Saha, S.
A1  - Basak, V.
A1  - Dasgupta, A.
A1  - Ganguly, S.
A1  - Banerjee, D.
A1  - Kargupta, K.
JF  - International Journal of Hydrogen Energy
UR  - https://www.scopus.com/inward/record.uri?eid=2-s2.0-84904049975&doi=10.1016%2fj.ijhydene.2014.05.131&partnerID=40&md5=f03b057031519c79222b4a1eddf02d97
Y1  - 2014///
ID  - scholars4279
KW  - Activation energy; Catalyst activity; Cobalt metallography; Cost effectiveness; Cyclic voltammetry; Graphene; Hydrogen production; Nanocatalysts; Nanostructured materials; Platinum; Sodium Borohydride
KW  -  Bimetallic catalysts; Catalytic hydrolysis; Cobalt platinums; Cost effective; Electrochemically active surface areas; Hydrogen generations; Nano hybrids; Turnover frequency
KW  -  Catalyst supports
N2  - A highly active and stable bimetallic nano-hybrid catalyst Graphene-Cobalt-Platinum (G-Co-Pt) is proposed for the enhanced and cost effective generation of hydrogen from Sodium Borohydride. Three different nano-hybrid catalysts namely Graphene-Cobalt (G-Co), Graphene-Platinum (G-Pt) and Graphene-Cobalt-Platinum (G-Co-Pt) are synthesized, characterized using XRD, FTIR, SEM, HRTEM, EDAX and Cyclic voltammetry (CV) analysis and tested for hydrogen generation. The activity and stability of the catalysts are analyzed by estimating the turnover frequency (TOF), the electrochemically active surface area (ECSA), the percentage decay of current density over ten cycles of CV and the decay in the rate of hydrogen generation with the age of catalyst. Among the three catalysts G-Co-Pt exhibits the highest catalytic activity (TOF = 107 min-1, ECSA = 75.32 m2/gm) and stability. The evaluated value of activation energy of the catalytic hydrolysis using G-Co-Pt is 16 ± 2 kJ mol-1. Copyright © 2014, Hydrogen Energy Publications, LLC. Published by Elsevier Ltd. All rights reserved.
IS  - 22
ER  -