Efficient bubble/precipitate traffic enables stable seawater reduction electrocatalysis at industrial-level current densities
University of Electronic Science and Technology of China · Shandong Normal University · +4 more institutions
Abstract
Abstract Seawater electroreduction is attractive for future H 2 production and intermittent energy storage, which has been hindered by aggressive Mg 2+ /Ca 2+ precipitation at cathodes and consequent poor stability. Here we present a vital microscopic bubble/precipitate traffic system (MBPTS) by constructing honeycomb-type 3D cathodes for robust anti-precipitation seawater reduction (SR), which massively/uniformly release small-sized H 2 bubbles to almost every corner of the cathode to repel Mg 2+ /Ca 2+ precipitates without a break. Noticeably, the optimal cathode with built-in MBPTS not only enables state-of-the-art alkaline SR performance (1000-h stable operation at –1 A cm −2 ) but also is highly…
Citation impact
- FWCI
- 21.46
- Percentile
- 100%
- References
- 66
Authors
10- JLJie Liang
University of Electronic Science and Technology of China, Shandong Normal University
- ZCZhengwei Cai
Shandong Normal University
- ZLZixiao Li
University of Electronic Science and Technology of China
- YYYongchao Yao
University of Electronic Science and Technology of China
- YLYongsong Luo
University of Electronic Science and Technology of China
Topics & keywords
- Seawater
- Cathode
- Precipitation
- Electrocatalyst
- Current (fluid)
- Bubble
- Materials science
- Electrolysis