Engineering catalytical electrodes for applications in energy areas

US11655550B2 · kind B2 · utility

Assignee

• Lawrence Livermore National Security, LLC · US

Inventors

• Siwei Liang · Dublin, US
• Sarah Baker · Dublin, US
• Theodore F. Baumann · Discovery Bay, US
• Eric B. Duoss · Danville, US
• Christopher M. Spadaccini · Oakland, US
• Cheng Zhu · Livermore, US

Key dates

• Filing date: Apr 10, 2020
• Grant date: May 23, 2023
• Expiry date: Sep 11, 2041

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y02P20/133
• WIPO field: Surface technology, coating
• WIPO sector: Chemistry

Abstract

An ink formulation and electrode that enhances hydrogen production, oxygen production, carbon dioxide reduction and other electrocatalytic reactions. Embodiments include an ink formulation with polymer binders having different catalytical precursors and a 3D electrode produced by additive manufacturing from the inventor's ink formulation. Various embodiments of the inventor's apparatus, systems, and methods provide inks that that are 3D-printed into patterns that optimize surface area and flow. The catalytic materials are imbedded into the ink matrix which is then printed into a 3D structure that has architecture that optimizes surface area and flow properties.