skip to main content
OSTI.GOV title logo U.S. Department of Energy
Office of Scientific and Technical Information

Title: Overall Water Splitting with Room-Temperature Synthesized NiFe Oxyfluoride Nanoporous Films

Abstract

Freestanding and lightweight thin-films were rationally designed to serve as robust electrodes for renewable energy applications. A facile and scalable nanomanufacturing process was developed to fabricate these transformative thin-film electrodes (iron group mixed oxides) that exhibit a nanoporous structure and controllable composition. More specifically, electrodeposition and anodic treatments were employed to produce freestanding and lightweight metal oxides nanoporous layers (NPL). These NPL can be directly used as flexible and additive-free electrodes for renewable energy generation (water splitting) and storage (supercapacitor) applications without requiring binders and current collector and other additives. Significantly enhanced electrochemical performance was achieved due to the unique merits of the NPL: i) highly porous structure considerably increases the electrode/electrolyte interface, which facilitate electrochemical reactions; ii) NPL substantially increase the number of active sites that are favorable in electrochemical reactions; iii) residual metal network within the NPL forms a conductive framework, drastically improving electrode strength, flexibility and conductivity.

Authors:
; ORCiD logo; ; ORCiD logo [1]; ; ORCiD logo; ORCiD logo; ; ORCiD logo
  1. Laboratory of Theoretical and Computational Chemistry, Institute of Theoretical Chemistry, Jilin University, Changchun 130023, People’s Republic of China
Publication Date:
Research Org.:
Pacific Northwest National Laboratory (PNNL), Richland, WA (US), Environmental Molecular Sciences Laboratory (EMSL)
Sponsoring Org.:
USDOE
OSTI Identifier:
1411905
Report Number(s):
PNNL-SA-124856
Journal ID: ISSN 2155-5435; 49597; KP1704020
DOE Contract Number:
AC05-76RL01830
Resource Type:
Journal Article
Resource Relation:
Journal Name: ACS Catalysis; Journal Volume: 7; Journal Issue: 12
Country of Publication:
United States
Language:
English
Subject:
36 MATERIALS SCIENCE; freestanding; lightweight; thin-film; nanoporous; renewable energy; Environmental Molecular Sciences Laboratory

Citation Formats

Liang, Kun, Guo, Limin, Marcus, Kyle, Zhang, Shoufeng, Yang, Zhenzhong, Perea, Daniel E., Zhou, Le, Du, Yingge, and Yang, Yang. Overall Water Splitting with Room-Temperature Synthesized NiFe Oxyfluoride Nanoporous Films. United States: N. p., 2017. Web. doi:10.1021/acscatal.7b02991.
Liang, Kun, Guo, Limin, Marcus, Kyle, Zhang, Shoufeng, Yang, Zhenzhong, Perea, Daniel E., Zhou, Le, Du, Yingge, & Yang, Yang. Overall Water Splitting with Room-Temperature Synthesized NiFe Oxyfluoride Nanoporous Films. United States. doi:10.1021/acscatal.7b02991.
Liang, Kun, Guo, Limin, Marcus, Kyle, Zhang, Shoufeng, Yang, Zhenzhong, Perea, Daniel E., Zhou, Le, Du, Yingge, and Yang, Yang. 2017. "Overall Water Splitting with Room-Temperature Synthesized NiFe Oxyfluoride Nanoporous Films". United States. doi:10.1021/acscatal.7b02991.
@article{osti_1411905,
title = {Overall Water Splitting with Room-Temperature Synthesized NiFe Oxyfluoride Nanoporous Films},
author = {Liang, Kun and Guo, Limin and Marcus, Kyle and Zhang, Shoufeng and Yang, Zhenzhong and Perea, Daniel E. and Zhou, Le and Du, Yingge and Yang, Yang},
abstractNote = {Freestanding and lightweight thin-films were rationally designed to serve as robust electrodes for renewable energy applications. A facile and scalable nanomanufacturing process was developed to fabricate these transformative thin-film electrodes (iron group mixed oxides) that exhibit a nanoporous structure and controllable composition. More specifically, electrodeposition and anodic treatments were employed to produce freestanding and lightweight metal oxides nanoporous layers (NPL). These NPL can be directly used as flexible and additive-free electrodes for renewable energy generation (water splitting) and storage (supercapacitor) applications without requiring binders and current collector and other additives. Significantly enhanced electrochemical performance was achieved due to the unique merits of the NPL: i) highly porous structure considerably increases the electrode/electrolyte interface, which facilitate electrochemical reactions; ii) NPL substantially increase the number of active sites that are favorable in electrochemical reactions; iii) residual metal network within the NPL forms a conductive framework, drastically improving electrode strength, flexibility and conductivity.},
doi = {10.1021/acscatal.7b02991},
journal = {ACS Catalysis},
number = 12,
volume = 7,
place = {United States},
year = 2017,
month =
}