RuO2 electronic structure and lattice strain dual engineering for enhanced acidic oxygen evolution reaction performance

Yin Qin, Tingting Yu, Sihao Deng, Xiao-Ye Zhou (), Dongmei Lin, Qian Zhang, Zeyu Jin, Danfeng Zhang, Yan-Bing He, Hua-Jun Qiu (), Lunhua He, Feiyu Kang, Kaikai Li () and Tong-Yi Zhang ()
Additional contact information
Yin Qin: Harbin Institute of Technology (Shenzhen)
Tingting Yu: Harbin Institute of Technology (Shenzhen)
Sihao Deng: Spallation Neutron Source Science Center
Xiao-Ye Zhou: Shenzhen University
Dongmei Lin: The Hong Kong Polytechnic University
Qian Zhang: Shanghai University
Zeyu Jin: Harbin Institute of Technology (Shenzhen)
Danfeng Zhang: Tsinghua University Shenzhen
Yan-Bing He: Tsinghua University Shenzhen
Hua-Jun Qiu: Harbin Institute of Technology (Shenzhen)
Lunhua He: Spallation Neutron Source Science Center
Feiyu Kang: Tsinghua University Shenzhen
Kaikai Li: Harbin Institute of Technology (Shenzhen)
Tong-Yi Zhang: The Hong Kong University of Science and Technology (Guangzhou), Advanced Materials Thrust and Sustainable Energy and Environment Thrust, Nansha, Guangzhou

Nature Communications, 2022, vol. 13, issue 1, 1-8

Abstract: Abstract Developing highly active and durable electrocatalysts for acidic oxygen evolution reaction remains a great challenge due to the sluggish kinetics of the four-electron transfer reaction and severe catalyst dissolution. Here we report an electrochemical lithium intercalation method to improve both the activity and stability of RuO2 for acidic oxygen evolution reaction. The lithium intercalates into the lattice interstices of RuO2, donates electrons and distorts the local structure. Therefore, the Ru valence state is lowered with formation of stable Li-O-Ru local structure, and the Ru–O covalency is weakened, which suppresses the dissolution of Ru, resulting in greatly enhanced durability. Meanwhile, the inherent lattice strain results in the surface structural distortion of LixRuO2 and activates the dangling O atom near the Ru active site as a proton acceptor, which stabilizes the OOH* and dramatically enhances the activity. This work provides an effective strategy to develop highly efficient catalyst towards water splitting.

Date: 2022
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (15)

Downloads: (external link)
https://www.nature.com/articles/s41467-022-31468-0 Abstract (text/html)

Related works:
This item may be available elsewhere in EconPapers: Search for items with the same title.

Export reference: BibTeX RIS (EndNote, ProCite, RefMan) HTML/Text

Persistent link: https://EconPapers.repec.org/RePEc:nat:natcom:v:13:y:2022:i:1:d:10.1038_s41467-022-31468-0

Ordering information: This journal article can be ordered from
https://www.nature.com/ncomms/

DOI: 10.1038/s41467-022-31468-0

Access Statistics for this article

Nature Communications is currently edited by Nathalie Le Bot, Enda Bergin and Fiona Gillespie

More articles in Nature Communications from Nature
Bibliographic data for series maintained by Sonal Shukla () and Springer Nature Abstracting and Indexing ().