Kirshenbaum, Maxine J. and Richter, Matthias H. and Dasog, Mita (2019) Electrochemical Water Oxidation in Acidic Solution Using Titanium Diboride (TiB_2) Catalyst. ChemCatChem, 11 (16). pp. 3877-3881. ISSN 1867-3880. https://resolver.caltech.edu/CaltechAUTHORS:20190328-180954882
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Abstract
Electrochemical water oxidation is an important anodic process necessary to support many cathodic fuel forming processes. Inexpensive materials capable of water oxidation catalysis are necessary to render renewable energy technologies affordable. In this study, titanium diboride (TiB_2) microparticles were explored as an oxygen‐evolution reaction (OER) electrocatalyst in 1.0 M HClO_4. An overpotential of 560±20 mV was required to generate a current density of 10 mA cm^(−2) with a Faradaic efficiency >96 %. TiB_2 exhibited a dissolution rate of 0.24 μg cm^(−2) h^(−1) which is the slowest rate observed to date for an earth‐abundant OER catalyst in acidic electrolyte at pH 0.
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| Alternate Title: | Electrochemical Water Oxidation in Acidic Solution Using Titanium Diboride (TiB2) Catalyst | ||||||||||
| Additional Information: | © 2019 Wiley‐VCH. Issue Online: 28 August 2019; Version of Record online: 15 January 2019; Accepted manuscript online: 18 December 2018; Manuscript revised: 17 December 2018; Manuscript received: 25 October 2018. The authors acknowledge funding from the Natural Sciences and Engineering Research Council of Canada (NSERC), the Canada Foundation for Innovation (CFI), and Dalhousie University. Patricia Scallion and the Clean Technologies Research Institute provided access to, and assistance with, the SEM analysis. We acknowledge support from the Beckman Institute of the California Institute of Technology to the Molecular Materials Research Center. The authors declare no conflict of interest. | ||||||||||
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| Subject Keywords: | Water-splitting; catalysis; renewable energy; electrochemistry; borides | ||||||||||
| Issue or Number: | 16 | ||||||||||
| Record Number: | CaltechAUTHORS:20190328-180954882 | ||||||||||
| Persistent URL: | https://resolver.caltech.edu/CaltechAUTHORS:20190328-180954882 | ||||||||||
| Official Citation: | M. J. Kirshenbaum, M. H. Richter, M. Dasog, ChemCatChem 2019, 11, 3877; https://doi.org/10.1002/cctc.201801736. | ||||||||||
| Usage Policy: | No commercial reproduction, distribution, display or performance rights in this work are provided. | ||||||||||
| ID Code: | 94277 | ||||||||||
| Collection: | CaltechAUTHORS | ||||||||||
| Deposited By: | George Porter | ||||||||||
| Deposited On: | 29 Mar 2019 19:59 | ||||||||||
| Last Modified: | 08 Oct 2019 22:21 |
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