Lawrence Livermore National Security, LLC

Wen Chen

Marcus A Worsley

Christopher M Spadaccini

Juergen Biener

Jianchao Ye

Eric B Duoss

Patrick G Campbell

James S Oakdale

Cheng Zhu

Xiaoyu Zheng

Bryan D Moran

Julie A Jackson

William Smith

Zhen Qi

The present disclosure relates to a method for forming a three dimensional, hierarchical, porous metal structure with deterministically controlled 3D multiscale pore architectures. The method may involve providing a feedstock able to be applied in an additive manufacturing process, and using an additive manufacturing process to produce a three dimensional (3D) structure using the feedstock. The method may involve further processing the 3D structure through at least a de-alloying operation to form a metallic 3D structure having an engineered, digitally controlled macropore morphology with integrated nanoporosity.

Hierarchical porous metals with deterministic 3D morphology and shape via de-alloying of 3D printed alloys

In one embodiment, a composition of matter includes: a plurality of ligaments each independently comprising one or more layers of graphene; where the plurality of ligaments are arranged according to a deterministic three-dimensional (3D) pattern. In another embodiment, a method of forming a deterministic three-dimensional (3D) architecture of graphene includes: forming or providing a substrate structurally characterized by a predefined 3D pattern; forming one or more layers of metal on surfaces of the substrate; and forming one or more layers of graphene on surfaces of the metal.

Three-dimensional deterministic graphene architectures formed using three-dimensional templates

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Livermore, CA, United States of America

Wen Chen