Exploring the Interface of Skin-Layered Titanium Fibers for Electrochemical Water Splitting

Chang Liu; Meital Shviro; Aldo S. Gago; Sarah F. Zaccarine; Guido Bender; Pawel Gazdzicki; Tobias Morawietz; Indro Biswas; Marcin Rasinski; Andreas Everwand; Roland Schierholz; Jason Pfeilsticker; Martin Müller; Pietro P. Lopes; Rüdiger A. Eichel; Bryan Pivovar; Svitlana Pylypenko; K. Andreas Friedrich; Werner Lehnert; Marcelo Carmo

doi:10.1002/aenm.202002926

Exploring the Interface of Skin-Layered Titanium Fibers for Electrochemical Water Splitting

Chang Liu
, Meital Shviro
, Aldo S. Gago
, Sarah F. Zaccarine
, Guido Bender
, Pawel Gazdzicki
, Tobias Morawietz
, Indro Biswas
, Marcin Rasinski
, Andreas Everwand
, Roland Schierholz
, Jason Pfeilsticker
, Martin Müller
, Pietro P. Lopes
, Rüdiger A. Eichel
, Bryan Pivovar
, Svitlana Pylypenko
, K. Andreas Friedrich
, Werner Lehnert
, Marcelo Carmo

Research output: Contribution to journal › Article › peer-review

152 Scopus citations

Abstract

Water electrolysis is the key to a decarbonized energy system, as it enables the conversion and storage of renewably generated intermittent electricity in the form of hydrogen. However, reliability challenges arising from titanium-based porous transport layers (PTLs) have hitherto restricted the deployment of next-generation water-splitting devices. Here, it is shown for the first time how PTLs can be adapted so that their interface remains well protected and resistant to corrosion across ≈4000 h under real electrolysis conditions. It is also demonstrated that the malfunctioning of unprotected PTLs is a result triggered by additional fatal degradation mechanisms over the anodic catalyst layer beyond the impacts expected from iridium oxide stability. Now, superior durability and efficiency in water electrolyzers can be achieved over extended periods of operation with less-expensive PTLs with proper protection, which can be explained by the detailed reconstruction of the interface between the different elements, materials, layers, and components presented in this work.

Original language	English
Article number	2002926
Journal	Advanced Energy Materials
Volume	11
Issue number	8
DOIs	https://doi.org/10.1002/aenm.202002926
State	Published - 24 Feb 2021
Externally published	Yes

Bibliographical note

Publisher Copyright:
© 2021 The Authors. Advanced Energy Materials published by Wiley-VCH GmbH

Funding

The authors would like to thank Hoppe Eugen for the X‐ray CT analysis, Dr. Shidong Zhang for the schematic illustration discussion, and Dr. Klaus Wippermann for the impedance discussion. The authors are also grateful to Denise Beate Günther, Daniel Holtz, Stefanie Fischer, and Florian Berg for the experimental support. The authors acknowledge Dr. Simon Geiger for the fruitful discussion. C.L. thanks the China Scholarship Council (CSC) for financial support. This material makes use of the ToF‐SIMS system developed at the Colorado School of Mines, which was supported by the National Science Foundation under Grant No. 1726898 and the authors would also like to acknowledge Michael Walker for helpful discussions regarding the ToF‐SIMS data. P.P.L. acknowledges support by the Office of Science, Office of Basic Energy Sciences, Materials Sciences and Engineering Division, under Contract No. DE‐AC02‐06CH11357. This work was authored in part by the National Renewable Energy Laboratory, operated by Alliance for Sustainable Energy, LLC, for the U. S. Department of Energy (DOE) under Contract No. DE‐AC36‐08GO28308. Funding was provided by the U.S. Department of Energy's Office of Energy Efficiency and Renewable Energy, Hydrogen and Fuel Cell Technologies Office (HFTO). This article has been contributed to by US Government contractors and their work is in the public domain in the USA. The views expressed in the article do not necessarily represent the views of the DOE or the U.S. Government.

Funders	Funder number
Office of Energy Efficiency and Renewable Energy, Hydrogen and Fuel Cell Technologies Office
National Science Foundation
U.S. Department of Energy	DE‐AC36‐08GO28308
Directorate for Mathematical and Physical Sciences	1726898
Office of Science
Basic Energy Sciences
National Renewable Energy Laboratory
Hydrogen and Fuel Cell Technologies Office
Division of Materials Sciences and Engineering	DE‐AC02‐06CH11357
China Scholarship Council

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

SDG 7 Affordable and Clean Energy

Keywords

PEM water electrolysis
degradation
durability
iridium
porous transport layers

Access to Document

10.1002/aenm.202002926

Cite this

Liu, C., Shviro, M., Gago, A. S., Zaccarine, S. F., Bender, G., Gazdzicki, P., Morawietz, T., Biswas, I., Rasinski, M., Everwand, A., Schierholz, R., Pfeilsticker, J., Müller, M., Lopes, P. P., Eichel, R. A., Pivovar, B., Pylypenko, S., Friedrich, K. A., Lehnert, W., & Carmo, M. (2021). Exploring the Interface of Skin-Layered Titanium Fibers for Electrochemical Water Splitting. Advanced Energy Materials, 11(8), Article 2002926. https://doi.org/10.1002/aenm.202002926

@article{8902d4cdef24417183a306f3c916ea5a,

title = "Exploring the Interface of Skin-Layered Titanium Fibers for Electrochemical Water Splitting",

abstract = "Water electrolysis is the key to a decarbonized energy system, as it enables the conversion and storage of renewably generated intermittent electricity in the form of hydrogen. However, reliability challenges arising from titanium-based porous transport layers (PTLs) have hitherto restricted the deployment of next-generation water-splitting devices. Here, it is shown for the first time how PTLs can be adapted so that their interface remains well protected and resistant to corrosion across ≈4000 h under real electrolysis conditions. It is also demonstrated that the malfunctioning of unprotected PTLs is a result triggered by additional fatal degradation mechanisms over the anodic catalyst layer beyond the impacts expected from iridium oxide stability. Now, superior durability and efficiency in water electrolyzers can be achieved over extended periods of operation with less-expensive PTLs with proper protection, which can be explained by the detailed reconstruction of the interface between the different elements, materials, layers, and components presented in this work.",

keywords = "PEM water electrolysis, degradation, durability, iridium, porous transport layers",

author = "Chang Liu and Meital Shviro and Gago, \{Aldo S.\} and Zaccarine, \{Sarah F.\} and Guido Bender and Pawel Gazdzicki and Tobias Morawietz and Indro Biswas and Marcin Rasinski and Andreas Everwand and Roland Schierholz and Jason Pfeilsticker and Martin M{\"u}ller and Lopes, \{Pietro P.\} and Eichel, \{R{\"u}diger A.\} and Bryan Pivovar and Svitlana Pylypenko and Friedrich, \{K. Andreas\} and Werner Lehnert and Marcelo Carmo",

note = "Publisher Copyright: {\textcopyright} 2021 The Authors. Advanced Energy Materials published by Wiley-VCH GmbH",

year = "2021",

month = feb,

day = "24",

doi = "10.1002/aenm.202002926",

language = "אנגלית",

volume = "11",

journal = "Advanced Energy Materials",

issn = "1614-6832",

publisher = "John Wiley and Sons Inc.",

number = "8",

}

Liu, C, Shviro, M, Gago, AS, Zaccarine, SF, Bender, G, Gazdzicki, P, Morawietz, T, Biswas, I, Rasinski, M, Everwand, A, Schierholz, R, Pfeilsticker, J, Müller, M, Lopes, PP, Eichel, RA, Pivovar, B, Pylypenko, S, Friedrich, KA, Lehnert, W & Carmo, M 2021, 'Exploring the Interface of Skin-Layered Titanium Fibers for Electrochemical Water Splitting', Advanced Energy Materials, vol. 11, no. 8, 2002926. https://doi.org/10.1002/aenm.202002926

TY - JOUR

T1 - Exploring the Interface of Skin-Layered Titanium Fibers for Electrochemical Water Splitting

AU - Liu, Chang

AU - Shviro, Meital

AU - Gago, Aldo S.

AU - Zaccarine, Sarah F.

AU - Bender, Guido

AU - Gazdzicki, Pawel

AU - Morawietz, Tobias

AU - Biswas, Indro

AU - Rasinski, Marcin

AU - Everwand, Andreas

AU - Schierholz, Roland

AU - Pfeilsticker, Jason

AU - Müller, Martin

AU - Lopes, Pietro P.

AU - Eichel, Rüdiger A.

AU - Pivovar, Bryan

AU - Pylypenko, Svitlana

AU - Friedrich, K. Andreas

AU - Lehnert, Werner

AU - Carmo, Marcelo

PY - 2021/2/24

Y1 - 2021/2/24

N2 - Water electrolysis is the key to a decarbonized energy system, as it enables the conversion and storage of renewably generated intermittent electricity in the form of hydrogen. However, reliability challenges arising from titanium-based porous transport layers (PTLs) have hitherto restricted the deployment of next-generation water-splitting devices. Here, it is shown for the first time how PTLs can be adapted so that their interface remains well protected and resistant to corrosion across ≈4000 h under real electrolysis conditions. It is also demonstrated that the malfunctioning of unprotected PTLs is a result triggered by additional fatal degradation mechanisms over the anodic catalyst layer beyond the impacts expected from iridium oxide stability. Now, superior durability and efficiency in water electrolyzers can be achieved over extended periods of operation with less-expensive PTLs with proper protection, which can be explained by the detailed reconstruction of the interface between the different elements, materials, layers, and components presented in this work.

AB - Water electrolysis is the key to a decarbonized energy system, as it enables the conversion and storage of renewably generated intermittent electricity in the form of hydrogen. However, reliability challenges arising from titanium-based porous transport layers (PTLs) have hitherto restricted the deployment of next-generation water-splitting devices. Here, it is shown for the first time how PTLs can be adapted so that their interface remains well protected and resistant to corrosion across ≈4000 h under real electrolysis conditions. It is also demonstrated that the malfunctioning of unprotected PTLs is a result triggered by additional fatal degradation mechanisms over the anodic catalyst layer beyond the impacts expected from iridium oxide stability. Now, superior durability and efficiency in water electrolyzers can be achieved over extended periods of operation with less-expensive PTLs with proper protection, which can be explained by the detailed reconstruction of the interface between the different elements, materials, layers, and components presented in this work.

KW - PEM water electrolysis

KW - degradation

KW - durability

KW - iridium

KW - porous transport layers

UR - https://www.scopus.com/pages/publications/85099035744

U2 - 10.1002/aenm.202002926

DO - 10.1002/aenm.202002926

M3 - ???researchoutput.researchoutputtypes.contributiontojournal.article???

AN - SCOPUS:85099035744

SN - 1614-6832

VL - 11

JO - Advanced Energy Materials

JF - Advanced Energy Materials

IS - 8

M1 - 2002926

ER -

Exploring the Interface of Skin-Layered Titanium Fibers for Electrochemical Water Splitting

Abstract

Bibliographical note

Funding

UN SDGs

Keywords

Access to Document

Other files and links

Fingerprint

Cite this