5200 N Lake Rd, Merced, CA 95343

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Dr. Marcus A. Worsley

Staff Scientist

High Performance Materials

Lawrence Livermore National Laboratory



Aerogels are porous solids used in a wide range of energy and environmental applications including sorbents, filtration, insulation, hydrogen storage, catalysis, batteries, and supercapacitors due to their high internal surface, composition, and small pore/particle size. Two-dimensional (2D) nanomaterials, such as boron nitride and graphene, also exhibit a range of distinct optical, electronic, and mechanical properties, but are typically limited to thin films and coatings. Assembling 2D nanomaterials into monolithic aerogels expands their application space to include technologies and manufacturing processes that require a macroscopic 3D form factor. In addition, placing the novel intrinsic properties of 2D materials in a low-density, high surface area architecture has the potential to unlock exciting new properties and features only displayed in the aerogel system. In this seminar, we demonstrate recent work on assembling and tailoring various properties of aerogels made from several different 2D materials, (e.g. boron nitride, graphene, dichalcogenides, etc.). In particular, methods of controlling the composition, crystallinity, textural properties, and macroscale architecture will be presented. Furthermore, synthesizing aerogels via 3D printing, which can mitigate the mass transport issues that plague aerogels by intelligently incorporating macroporous channels into the native nanoporous aerogel structure, has the potential to provide an even greater level performance for these hierarchical functional materials. The impact of those changes on aerogel properties and performance in energy storage and environmental technologies will be discussed. This work was performed under the auspices of the U.S. Department of Energy by Lawrence Livermore National Laboratory under Contract DE-AC52-07NA27344.



Marcus received his Ph.D. in Chemical Engineering from Stanford University and his Bachelor of Science degree in Chemical Engineering from Michigan State University. He has co-authored over 100 journal publications and over 50 patents representing a wide range of materials development research. Marcus has spent much of his time at LLNL focused on developing and integrating LLNL expertise in advanced materials, additive manufacturing, and high performance computing to tackle various challenges in the energy storage sector. This includes developing 3D printable inks for supercapacitors and batteries, for which his team received an R&D 100 award. Marcus is also the Associate Program Leader for Energy Storage Materials and a deputy group leader of the High Performance Materials group in the Materials Science Division of the Physical and Life Sciences (PLS) Directorate.

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