World's Best Scientists 2026 revealed!

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Materials Science

D-Index
77
Citations
27320
World Ranking
3073
National Ranking
859

Overview

David A. Cullen is affiliated with Oak Ridge National Laboratory in the United States. Their research activity spans multiple fields, predominantly focused on engineering, energy, and materials science. These fields intersect through subfields such as electrical and electronic engineering, renewable energy, sustainability and the environment, materials chemistry, catalysis, and energy engineering and power technology.

The major topics in their work reflect a strong emphasis on energy conversion and storage technologies. Key topics include electrocatalysts for energy conversion, fuel cells and related materials, advanced battery technologies research, catalytic processes in materials science, hybrid renewable energy systems, and electron and X-ray spectroscopy techniques.

Selected recent papers authored or coauthored by David A. Cullen demonstrate a focus on catalysis and fuel cell technologies. These include:

  • "Electrochemical ammonia synthesis via nitrate reduction on Fe single atom catalyst" (2021, Nature Communications)
  • "New roads and challenges for fuel cells in heavy-duty transportation" (2021, Nature Energy)
  • "Efficient conversion of low-concentration nitrate sources into ammonia on a Ru-dispersed Cu nanowire electrocatalyst" (2022, Nature Nanotechnology)
  • "Performance enhancement and degradation mechanism identification of a single-atom Co-N-C catalyst for proton exchange membrane fuel cells" (2020, Nature Catalysis)
  • "Chemical vapour deposition of Fe-N-C oxygen reduction catalysts with full utilization of dense Fe-N4 sites" (2021, Nature Materials)

Frequent coauthors collaborating with David A. Cullen include Haoran Yu, Deborah J. Myers, Michael J. Zachman, Rangachary Mukundan, and Nancy N. Kariuki. These collaborations have supported ongoing research efforts in catalysis, electrochemical processes, and materials characterization.

The scientist's research has been disseminated in venues where they have multiple publications, notably ECS Meeting Abstracts, Microscopy and Microanalysis, Journal of The Electrochemical Society, ACS Applied Materials & Interfaces, and ACS Catalysis. The spectrum of publication venues underscores the multidisciplinary nature of their work, bridging fundamental materials studies and applied electrochemical systems.

Best Publications

  • Direct atomic-level insight into the active sites of a high-performance PGM-free ORR catalyst.

    Hoon T. Chung;David A. Cullen;Drew Higgins;Brian T. Sneed

  • Atomically dispersed manganese catalysts for oxygen reduction in proton-exchange membrane fuel cells

    Jiazhan Li;Jiazhan Li;Mengjie Chen;David A. Cullen;Sooyeon Hwang

  • Electrochemical ammonia synthesis via nitrate reduction on Fe single atom catalyst.

    Zhen-Yu Wu;Mohammadreza Karamad;Xue Yong;Qizheng Huang

  • New roads and challenges for fuel cells in heavy-duty transportation

    David A. Cullen;K. C. Neyerlin;Rajesh K. Ahluwalia;Rangachary Mukundan

  • Nitrogen-Coordinated Single Cobalt Atom Catalysts for Oxygen Reduction in Proton Exchange Membrane Fuel Cells.

    Xiao Xia Wang;Xiao Xia Wang;David A. Cullen;Yung‐Tin Pan;Sooyeon Hwang

  • Highly active atomically dispersed CoN 4 fuel cell cathode catalysts derived from surfactant-assisted MOFs: carbon-shell confinement strategy

    Yanghua He;Sooyeon Hwang;David A. Cullen;M. Aman Uddin

  • Bulk production of a new form of sp(2) carbon: crystalline graphene nanoribbons.

    Jessica Campos-Delgado;José Manuel Romo-Herrera;Xiaoting Jia;David A. Cullen

  • Performance enhancement and degradation mechanism identification of a single-atom Co–N–C catalyst for proton exchange membrane fuel cells

    Xiaohong Xie;Cheng He;Boyang Li;Yanghua He

  • Chemical vapour deposition of Fe-N-C oxygen reduction catalysts with full utilization of dense Fe-N4 sites.

    Li Jiao;Jingkun Li;Lynne LaRochelle Richard;Qiang Sun

  • General synthesis of single-atom catalysts with high metal loading using graphene quantum dots.

    Chuan Xia;Chuan Xia;Yunrui Qiu;Yang Xia;Peng Zhu

  • High-performance fuel cell cathodes exclusively containing atomically dispersed iron active sites

    Hanguang Zhang;Hoon T. Chung;David A. Cullen;Stephan Wagner

  • Ex-MWNTs: graphene sheets and ribbons produced by lithium intercalation and exfoliation of carbon nanotubes.

    Abraham G. Cano-Márquez;Fernando J. Rodríguez-Macías;Jessica Campos-Delgado;Claudia G. Espinosa-González

  • Thermally Driven Structure and Performance Evolution of Atomically Dispersed FeN4 Sites for Oxygen Reduction

    Jiazhan Li;Jiazhan Li;Hanguang Zhang;Widitha Samarakoon;Weitao Shan

  • Unveiling Active Sites of CO2 Reduction on Nitrogen-Coordinated and Atomically Dispersed Iron and Cobalt Catalysts

    Fuping Pan;Hanguang Zhang;Kexi Liu;David Cullen

  • Hard-Magnet L10-CoPt Nanoparticles Advance Fuel Cell Catalysis

    Junrui Li;Shubham Sharma;Xiaoming Liu;Yung-Tin Pan

  • Metal-organic framework-derived nitrogen-doped highly disordered carbon for electrochemical ammonia synthesis using N2 and H2O in alkaline electrolytes

    Shreya Mukherjee;David A. Cullen;Stavros Karakalos;Kexi Liu

  • Covalently bonded three-dimensional carbon nanotube solids via boron induced nanojunctions

    Daniel P. Hashim;Narayanan T. Narayanan;Jose M. Romo-Herrera;David A. Cullen

  • P-block single-metal-site tin/nitrogen-doped carbon fuel cell cathode catalyst for oxygen reduction reaction

    Fang Luo;Aaron Roy;Luca Silvioli;David A. Cullen

  • Recent developments in catalyst-related PEM fuel cell durability

    Rodney L. Borup;Ahmet Kusoglu;Kenneth C. Neyerlin;Rangachary Mukundan

  • Single Cobalt Sites Dispersed in Hierarchically Porous Nanofiber Networks for Durable and High-Power PGM-Free Cathodes in Fuel Cells.

    Yanghua He;Hui Guo;Sooyeon Hwang;Xiaoxuan Yang

  • A physical catalyst for the electrolysis of nitrogen to ammonia.

    Yang Song;Daniel Johnson;Rui Peng;Dale K. Hensley

Frequent Co-Authors

Karren L. More
Karren L. More Oak Ridge National Laboratory
David J. Smith
David J. Smith Arizona State University
Gang Wu
Gang Wu Washington University in St. Louis
Deborah J. Myers
Deborah J. Myers Argonne National Laboratory
Piotr Zelenay
Piotr Zelenay Los Alamos National Laboratory
Harry M. Meyer
Harry M. Meyer Oak Ridge National Laboratory
Mauricio Terrones
Mauricio Terrones Pennsylvania State University
Kenneth C. Neyerlin
Kenneth C. Neyerlin National Renewable Energy Laboratory
Zhenxing Feng
Zhenxing Feng Oregon State University
Guofeng Wang
Guofeng Wang University of Pittsburgh

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