Hydrogen.gov | D. Advanced Thermochemical Processes

D. Advanced Thermochemical Processes

1. High-Temperature Water-Splitting Processes
Description: Redox cycles driven by solar energy or nuclear heat, operating at 700-1000 deg.C.

a) Materials
Goal: Low cost

b) Membranes and separations

c) Thermodynamic data and modeling

d) Catalysis

2. Ultra-High-Temperature Water-Splitting Processes
Description: Redox cycles driven by nuclear heat, operating at 1000-3000 deg.C.

a) Ultra-high temperature heat sources

b) Materials

c) Membranes and separations

d) Thermodynamic data and modeling

e) Catalysis

f) Nuclear reactor design

3. Satellite-Based Solar Power System

a) Ammonia / water cycle
Description: Develop thermodynamic data and models for energy, phase stability, and transport properties.