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Artistic rendition of lithium-ion battery particles under illumination of a finely focused beam of X-ray.

Machine learning can be applied to optimize battery testing protocols

Exciting summer research experiences for undergraduate and high school students.

In June 2019, we celebrated the graduation of Nadia, Antonio, Jerry, Will, Aditi, Vivek, Anthony and Kipil. Congratulations on your degrees!!

"Coupling between oxygen redox and cation migration explains unusual electrochemistry in lithium-rich layered oxides." Nature Commun. 8, 2091 (2017).

Tweaking one layer of atoms on a catalyst’s surface can make it work better

Tailored electrocatalytic activity and stability for the oxygen evolution reaction.

High-voltage flow battery using a room-temperature liquid metal and a ceramic electrolyte.

X-rays reveal that Li ion rearrangment may result in hot spots that end up shortening the battery lifetime.

Machine learning can identify how long batteries will last.

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Group Values

As a group, we always strive to maintain a friendly environment that supports diversity and inclusion. We believe that diversity in thought and experiences greatly benefits scientific discourse and our ability to do meaningful work. Furthermore, equity in education and access is an important facet of our group’s mission. The group is always looking for creative individuals and we welcome people of all races, ethnicities, religions, gender identities and sexual orientations.

From Will Chueh: “Creativity is one of the most important ingredients to doing impactful research. Being creative means to combine diverse points of view and to draw from wide-ranging personal experiences, both scientific and non-scientific ones. Being inclusive in all facets is the key to access these diverse perspectives. I believe working with a diverse group of students, postdocs, staff and faculty will fuel your creativity and deepen the impact of the research that you do. Creativity, diversity, and inclusion come hand in hand.”

Research Mission

The availability of low-cost but intermittent renewable electricity (e.g., derived from solar and wind) underscores the grand challenge to store and dispatch energy so that it is available when and where it is needed. Redox-active materials promise the efficient transformation between electrical, chemical, and thermal energy, and are at the heart of carbon-neutral energy cycles.

Understanding design rules that govern materials chemistry and architecture holds the key towards rationally optimizing technologies such as batteries, fuel cells, electrolyzers, and novel thermodynamic cycles. Electrochemical and chemical reactions involved in these technologies span diverse length and time scales, ranging from Ångströms to meters and from picoseconds to years.

As such, establishing a unified, predictive framework has been a major challenge. The central question unifying our research is: “can we understand and engineer redox reactions at the levels of electrons, ions, molecules, particles and devices using a bottom-up approach?” Our approach integrates novel synthesis, fabrication, characterization, modeling and analytics to understand molecular pathways and interfacial structure, and to bridge fundamentals to energy storage and conversion technologies by establishing new design rules.

We specifically work on reactions and devices based on the migration of Li+, H/OH-, Na+/K+ and O2-.

Highlights - see all

Study shows tweaking one layer of atoms on a catalyst’s surface can make it work better

Machine Learning for Faster Battery Testing

New route to carbon-neutral fuels from carbon dioxide

Group Awards

Iwnetim (Tim) receives Diversifying Academia, Recruiting Excellence (DARE) Doctoral Fellowship

May 16, 2019. This prestigious two-year fellowship is intended to prepare graduate students for a successful faculty career, and in particular to support their commitment to using diversity as a resource to enrich the education of others.

Peter Attia wins ECS award

April 27, 2019: Peter Attia wins ECS Battery Division Student Research Award

Peter Attia wins MRS Silver

April 24, 2019: Peter Attia wins the MRS Silver Graduate Student Award

Peter Attia and Norman Jin win MRS Open Data Challenge

April 24, 2019: Peter Attia and Norman Jin win MRS Open Data Challenge for their work on Battery Cycling During Extreme Fast Charging

Will Gent wins MRS Gold

November 27, 2018: William Gent wins the MRS Gold Graduate Student Award

Will Gent wins poster award

July 2018: Will Gent receives poster award from BASF at the California Research Alliance Summer Symposium

Will Receives 2018 Outstanding Young Investigator Award from MRS

February 7, 2018: Will Chueh was one of two recipients of the 2018 Outstanding Young Investigator Award from the Materials Research Society.

Will Gent Named Siebel Scholar

November 1, 2017: Will Gent is one of 16 Stanford students honored with a Siebel Scholar award.

Yiyang Wins Young Scientist Award at SSI-21

June 23, 2017: Yiyang wins the Young Scientist Award from the International Society of Solid State Ionics at SSI-21 in Padua, Italy.