TY - JOUR
AU - Wang, Lei
AB - Ethylene glycol is currently produced via an energy-intensive two-step thermocatalytic process that results in substantial CO2 emissions. Sustainable ethylene glycol production via ethylene electro-oxidation powered by renewable electricity is desirable; however, direct ethylene electro-oxidation suffers from unsatisfactory product selectivity, particularly at high production rates. Here we report a cascade strategy for efficient and selective production of pure ethylene glycol solution under ambient conditions with no detectable by-product formation. Specifically, ethylene is converted to ethylene glycol on a catalyst/solid-acid composite using electrochemically generated hydrogen peroxide as the oxidant. Using an integrated solid-electrolyte reactor, we achieved high electron utilization efficiency of 60–70% at industrially relevant current densities (100–500 mA cm−2) for ethylene glycol production with full product selectivity (~100%). We further integrated this system with a CO2 electroreduction reactor and demonstrated the sustainable production of pure ethylene glycol using CO2 and water as the only feedstocks.[graphic not available: see fulltext]
TI - Selective production of ethylene glycol at high rate via cascade catalysis
JF - Nature Catalysis
DO - 10.1038/s41929-023-00977-6
DA - 2023-07-01
UR - https://www.deepdyve.com/lp/springer-journals/selective-production-of-ethylene-glycol-at-high-rate-via-cascade-oAc9MaG1Et
SP - 585
EP - 595
VL - 6
IS - 7
DP - DeepDyve
ER -