In situ electrochemical quantification of active sites in Fe–N/C non-precious metal catalysts

Fe-N/C catalysts show surprising activity towards oxygen reduction in fuel cells. However, there is significant uncertainty as to the structure of the active site. Here, the authors quantify the number and turnover frequency of the active sites by reversibly blocking those sites with nitrite (NO2¯)....

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Main Authors:	Daniel Malko, Anthony Kucernak, Thiago Lopes
Format:	article
Language:	EN
Published:	Nature Portfolio 2016
Subjects:	Science Q
Online Access:	https://doaj.org/article/14944471b88f4a40a6a957c3c921c267
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spelling	oai:doaj.org-article:14944471b88f4a40a6a957c3c921c2672021-12-02T16:57:01ZIn situ electrochemical quantification of active sites in Fe–N/C non-precious metal catalysts10.1038/ncomms132852041-1723https://doaj.org/article/14944471b88f4a40a6a957c3c921c2672016-10-01T00:00:00Zhttps://doi.org/10.1038/ncomms13285https://doaj.org/toc/2041-1723Fe-N/C catalysts show surprising activity towards oxygen reduction in fuel cells. However, there is significant uncertainty as to the structure of the active site. Here, the authors quantify the number and turnover frequency of the active sites by reversibly blocking those sites with nitrite (NO2¯).Daniel MalkoAnthony KucernakThiago LopesNature PortfolioarticleScienceQENNature Communications, Vol 7, Iss 1, Pp 1-7 (2016)
institution	DOAJ
collection	DOAJ
language	EN
topic	Science Q
spellingShingle	Science Q Daniel Malko Anthony Kucernak Thiago Lopes In situ electrochemical quantification of active sites in Fe–N/C non-precious metal catalysts
description	Fe-N/C catalysts show surprising activity towards oxygen reduction in fuel cells. However, there is significant uncertainty as to the structure of the active site. Here, the authors quantify the number and turnover frequency of the active sites by reversibly blocking those sites with nitrite (NO2¯).
format	article
author	Daniel Malko Anthony Kucernak Thiago Lopes
author_facet	Daniel Malko Anthony Kucernak Thiago Lopes
author_sort	Daniel Malko
title	In situ electrochemical quantification of active sites in Fe–N/C non-precious metal catalysts
title_short	In situ electrochemical quantification of active sites in Fe–N/C non-precious metal catalysts
title_full	In situ electrochemical quantification of active sites in Fe–N/C non-precious metal catalysts
title_fullStr	In situ electrochemical quantification of active sites in Fe–N/C non-precious metal catalysts
title_full_unstemmed	In situ electrochemical quantification of active sites in Fe–N/C non-precious metal catalysts
title_sort	in situ electrochemical quantification of active sites in fe–n/c non-precious metal catalysts
publisher	Nature Portfolio
publishDate	2016
url	https://doaj.org/article/14944471b88f4a40a6a957c3c921c267
work_keys_str_mv	AT danielmalko insituelectrochemicalquantificationofactivesitesinfencnonpreciousmetalcatalysts AT anthonykucernak insituelectrochemicalquantificationofactivesitesinfencnonpreciousmetalcatalysts AT thiagolopes insituelectrochemicalquantificationofactivesitesinfencnonpreciousmetalcatalysts
_version_	1718382607984492544

In situ electrochemical quantification of active sites in Fe–N/C non-precious metal catalysts

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