California Institute of Technology

Michael A Citrin

Julia Rosolovsky Greer

John Thorne

Daryl Wei Liang Yee

Andrey Vyatskikh

Kai Narita

Akira Kudo

Max L Lifson

Xuan Zhang

In an aspect, a method for making a metal-containing material comprises steps of: forming a metal-containing hydrogel from an aqueous precursor mixture using a photopolymerization; wherein the aqueous precursor mixture comprises water, one or more aqueous photosensitive binders, and one or more aqueous metal salts; and thermally treating the metal-containing hydrogel to form the metal-containing material; wherein the metal-containing hydrogel is exposed to a thermal-treatment atmosphere during the step of thermally treating; wherein a composition of the metal-containing material is at least partially determined by a composition of the thermal-treatment atmosphere during the thermally treating step.

3D printing of metal containing structures

In an aspect, an electrode for an electrochemical cell comprises: a structure having a nano- or micro-architected three-dimensional geometry; said structure comprising one or more active carbon allotrope materials; wherein said structure is characterized by an average density less than or equal to 2.3 g cmand an average specific strength (strength-to-density ratio) greater than or equal to 0.004 GPa gcm. Also disclosed herein are methods for making an electrode for an electrochemical cell, and methods for making an electrochemical cell.

Three-dimensional architected pyrolyzed electrodes for use in secondary batteries and methods of making three-dimensional architected electrodes

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Pasadena, CA, United States of America

Michael A Citrin