December 1, 2020
News Release

17 PNNL Researchers Named to Highly Cited List

Papers ranked in top 1 percent by citations in their field

Picture of hand picking up a small tube

Seventeen PNNL researchers across a variety of disciplines appeared in the 2020 Clarivate Analytics list of most highly cited researchers.

(Photo by Andrea Starr | Pacific Northwest National Laboratory)

Clarivate Analytics recently unveiled its 2020 list of Highly Cited Researchers. The list named 17 Pacific Northwest National Laboratory (PNNL) scientists for their influential and oft-referenced work.

Every year the company recognizes exceptional researchers whose papers ranked in the top 1 percent by citations in their field as compiled by their Web of Science™ citation index.

“In the race for knowledge, it is human capital that is fundamental and this list identifies and celebrates exceptional individual researchers who are having a great impact on the research community as measured by the rate at which their work is being cited by others,” said David Pendlebury, senior citation analyst at the Institute for Scientific Information at Clarivate Analytics’ Web of Science Group.

Their scientific achievement advances understanding in the following PNNL mission areas.

Earth System Science  

Katherine Calvin (cross-field) develops and analyzes climate models focusing on interactions between land, energy, and water.

Jae Edmonds (cross-field) researches long-term, global, energy, economy, and climate change.

Mark Engelhard (cross-field) specializes in creatively applying and adapting surface analytical tools to address energy and environmental problems.

Page Kyle (cross-field) addresses technology and mitigation of greenhouse gas emissions, including representations of renewable energy resources, secondary energy production, final energy demand, non-CO2 greenhouse gas emissions, agriculture and land use, and water demand.

Steven Smith (geosciences) researches how long-term socioeconomic scenarios interact with the climate.

James C. Stegen (cross-field) is the lead investigator for research linking microbial communities to subsurface biogeochemistry and multi-scale linkages among soil microbiomes, carbon-cycling, and permafrost. He is recognized as an expert in ecological theory.

Philip J. Rasch (geosciences) is internationally known for his work in general air circulation, atmospheric chemistry, and climate modeling.

Energy Storage

Xiaolin Li (cross-field) has extensive experience with carbon nanotubes, graphene, and is an expert in designing nanostructured functional materials for various applications.

Zimin Nie (materials sciences) develops large-scale electrochemical energy storage technologies, which are key to widespread use of renewables such as solar and wind.

Yuyan Shao (materials sciences) studies electrochemical energy storage and conversion in transportation and stationary applications, high-performing electrode and electrolyte materials for batteries, fuel cells, and electrolyzers.

Chongmin Wang (materials sciences) develops transmission electron microscopy tools to enable direct observation of lithium-ion batteries during operation, leading to insights in designing better battery materials

Wu Xu (cross-field) studies novel electrolytes for different energy storage systems including lithium ion batteries, lithium metal batteries, organic redox flow batteries and supercapacitors.

Jie Xiao (materials sciences) studies energy storage materials and systems, spanning from micro-batteries for acoustic fish tags to advanced battery technologies for vehicle electrification and grid energy storage.

Ji-Guang (Jason) Zhang (materials sciences and engineering) develops energy storage devices, including lithium-ion batteries; thin-film, solid-state batteries; Li-S batteries; lithium-air batteries, and electrochromic devices.


Jun Liu (chemistry and materials sciences) characterizes and develops new materials for energy applications, with a special interest in future energy storage technologies. Liu holds joint appointment with the University of Washington.

Microbiome Science

Janet K. Jansson (microbiology) uses molecular approaches, also known as omics, to study complex microbial communities, such as those residing in soil, sediments, and the human gut. 

Plant Science

Nate McDowell (plant and animal science) studies the planet's trees and the many factors that collectively determine tree survival and mortality.


About PNNL

Pacific Northwest National Laboratory draws on its distinguishing strengths in chemistry, Earth sciences, biology and data science to advance scientific knowledge and address challenges in sustainable energy and national security. Founded in 1965, PNNL is operated by Battelle for the Department of Energy’s Office of Science, which is the single largest supporter of basic research in the physical sciences in the United States. DOE’s Office of Science is working to address some of the most pressing challenges of our time. For more information, visit For more information on PNNL, visit PNNL's News Center. Follow us on Twitter, Facebook, LinkedIn and Instagram.