Please use this identifier to cite or link to this item:
|標題:||Making Ag Present Pt-like Activity for Hydrogen Evolution Reaction||作者:||Jing-Fang Huang
|關鍵字:||Hydrogen energy;Silver;Electrocatalysis;Hydrogen evolution reaction;Nanoporous||Project:||ACS Sustainable Chem. Eng.2018, 6, 7, 8285-8290||摘要:||
Silver (Ag) has a high electrical and thermal conductivity, low cost, and is relatively abundant in the earth compared to other Pt-group metals. Unlike Pt-related noble metals, the poor hydrogen evolution reaction (HER) activity of Ag in acidic environments makes it rarely considered as a potential HER electrocatalyst. We demonstrate a spongy-like highly nanoporous Ag foam obtained using a simple Ag surface treatment through the repetitively electrochemical anodic formation of AgBr/cathodic reduction back to Ag exhibited Pt-like high HER activities. The spongy-like nanoporous Ag foam effectively increases the number of surface active sites and lowers the Gibbs free energy of adsorbed atomic hydrogen (Had) on catalysts (ΔGM-H) from multiple Ag grains constructing nanoarchitecture branches.
|Appears in Collections:||化學系所|
Show full item record
Files in This Item:
TAIR Related Article
Items in DSpace are protected by copyright, with all rights reserved, unless otherwise indicated.