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- Title
Efficient Conversion of Biomass to Formic Acid Coupled with Low Energy Consumption Hydrogen Production from Water Electrolysis.
- Authors
Tang, Wensi; Zhang, Lunan; Qiu, Tianyu; Tan, Huaqiao; Wang, Yonghui; Liu, Wei; Li, Yangguang
- Abstract
The development of a new electrolytic water hydrogen production coupling system is the key to realize efficient and low‐cost hydrogen production and promote its practical application. Herein, a green and efficient electrocatalytic biomass to formic acid (FA) coupled hydrogen production system has been developed. In such a system, carbohydrates such as glucose are oxidized to FA using polyoxometalates (POMs) as the redox anolyte, while H2 is evolved continuously at the cathode. Among them, the yield of glucose to FA is as high as 62.5 %, and FA is the only liquid product. Furthermore, the system requires only 1.22 V to drive a current density of 50 mA cm−2, and the Faraday efficiency of hydrogen production is close to 100 %. Its electrical consumption is only 2.9 kWh Nm−3 (H2), which is only 69 % of that of traditional electrolytic water. This work opens up a promising direction for low‐cost hydrogen production coupled with efficient biomass conversion.
- Subjects
HYDROGEN production; WATER electrolysis; FORMIC acid; BIOMASS conversion; POLYOXOMETALATES
- Publication
Angewandte Chemie, 2023, Vol 135, Issue 30, p1
- ISSN
0044-8249
- Publication type
Academic Journal
- DOI
10.1002/ange.202305843