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Title: Electrocatalytic H2 production with a turnover frequency >107 s-1: the medium provides an increase in rate but not overpotential

In this paper, rapid proton movement results in exceptionally fast electrocatalytic H2 production (up to 3 × 107 s-1) at overpotentials of ~400 mV when catalysed by [Ni(PPh2NC6H4x2)2]2+ complexes in an acidic ionic liquid–water medium ([(DMF)H]NTf2–H2O, χH2O = 0.71).
Authors:
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Publication Date:
OSTI Identifier:
1166841
Report Number(s):
PNNL-SA-103498
Journal ID: ISSN 1754-5692; EESNBY; KC0307010; KC0302010
DOE Contract Number:
AC05-76RL01830
Resource Type:
Journal Article
Resource Relation:
Journal Name: Energy & Environmental Science; Journal Volume: 7; Journal Issue: 12
Publisher:
Royal Society of Chemistry
Research Org:
Pacific Northwest National Laboratory (PNNL), Richland, WA (US)
Sponsoring Org:
USDOE Office of Science (SC), Basic Energy Sciences (BES) (SC-22)
Country of Publication:
United States
Language:
English
Subject:
electrocatalysis; hydrogen production; medium effects