Electroreduction of carbon dioxide to formate over a thin-layered tin diselenide electrode

2018 ◽  
Vol 8 (21) ◽  
pp. 5428-5433 ◽  
Author(s):  
Hui Yang ◽  
Haoxuan Liu ◽  
Xijun Liu ◽  
Zhe Zhao ◽  
Jun Luo
Keyword(s):  
Carbon Dioxide ◽  
Reversible Hydrogen Electrode ◽  
Hydrogen Electrode ◽  
Faradaic Efficiency ◽  
First Report

We first report a thin-layered SnSe2 film as a robust catalyst for CO2 electroreduction, efficiently affording formate with a faradaic efficiency of 91% and a stable activity for more than 100 h at −0.8 V versus the reversible hydrogen electrode.

Boron-doped CuO nanobundles for electroreduction of carbon dioxide to ethylene

2020 ◽  
Vol 22 (9) ◽  
pp. 2750-2754 ◽  
Author(s):  
Qiang Wan ◽  
Jianling Zhang ◽  
Bingxing Zhang ◽  
Dongxing Tan ◽  
Lei Yao ◽  
...  
Keyword(s):  
Carbon Dioxide ◽  
Reversible Hydrogen Electrode ◽  
Carbon Product ◽  
Hydrogen Electrode ◽  
Faradaic Efficiency ◽  
Boron Doped

Herein, we synthesize B-doped CuO nanobundles for electrocatalytic CO2 reduction. Ethylene is the only multi-carbon product and a maximum ethylene faradaic efficiency (FE) of 58.4% can be achieved at −1.1 V (versus the reversible hydrogen electrode).

An ultrasmall Ru2P nanoparticles–reduced graphene oxide hybrid: an efficient electrocatalyst for NH3 synthesis under ambient conditions

2020 ◽  
Vol 8 (1) ◽  
pp. 77-81 ◽  
Author(s):  
Runbo Zhao ◽  
Chuangwei Liu ◽  
Xiaoxue Zhang ◽  
Xiaojuan Zhu ◽  
Peipei Wei ◽  
...  
Keyword(s):  
Graphene Oxide ◽  
Reduced Graphene Oxide ◽  
Reversible Hydrogen Electrode ◽  
Ambient Conditions ◽  
Hydrogen Electrode ◽  
Faradaic Efficiency ◽  
Reduced Graphene

A Ru2P–reduced graphene oxide hybrid acts as a superior catalyst for electrochemical N2 fixation in 0.1 M HCl, achieving a large NH3 yield of 32.8 μg h−1mgcat.−1 and a high faradaic efficiency of 13.04%−0.05 V vs. the reversible hydrogen electrode.

Ti3+ self-doped TiO2−x nanowires for efficient electrocatalytic N2 reduction to NH3

2020 ◽  
Vol 56 (7) ◽  
pp. 1074-1077 ◽  
Author(s):  
Bingyue Li ◽  
Xiaojuan Zhu ◽  
Jianwei Wang ◽  
Ruimin Xing ◽  
Qian Liu ◽  
...  
Keyword(s):  
Reversible Hydrogen Electrode ◽  
Hydrogen Electrode ◽  
Faradaic Efficiency ◽  
Doped Tio2

Ti3+–TiO2−x/TM behaves as an efficient electrocatalyst for ambient N2-to-NH3 fixation with a high faradaic efficiency of 14.62% and a NH3 yield of 3.51 × 10−11 mol s−1 cm−2 at −0.55 V versus a reversible hydrogen electrode in 0.1 M Na2SO4.

Electrocatalytic N2-to-NH3 conversion with high faradaic efficiency enabled using a Bi nanosheet array

2019 ◽  
Vol 55 (36) ◽  
pp. 5263-5266 ◽  
Author(s):  
Rong Zhang ◽  
Lei Ji ◽  
Wenhan Kong ◽  
Huanbo Wang ◽  
Runbo Zhao ◽  
...  
Keyword(s):  
Reversible Hydrogen Electrode ◽  
Hydrogen Electrode ◽  
Faradaic Efficiency ◽  
Nanosheet Array ◽  
Cu Foil

A Bi nanosheet array on Cu foil (Bi NS/CF) is efficient and stable for electrocatalytic N2 reduction. In 0.1 M HCl, it shows a high faradaic efficiency of 10.26% at −0.50 V vs. the reversible hydrogen electrode.

Dendritic Cu: a high-efficiency electrocatalyst for N2 fixation to NH3 under ambient conditions

2019 ◽  
Vol 55 (96) ◽  
pp. 14474-14477 ◽  
Author(s):  
Chengbo Li ◽  
Shiyong Mou ◽  
Xiaojuan Zhu ◽  
Fengyi Wang ◽  
Yuting Wang ◽  
...  
Keyword(s):  
N2 Fixation ◽  
High Efficiency ◽  
Reversible Hydrogen Electrode ◽  
Ambient Conditions ◽  
Hydrogen Electrode ◽  
Faradaic Efficiency ◽  
Yield Rate

Dendritic Cu behaves as an efficient electrocatalyst for ambient N2-to-NH3 fixation with a high Faradaic efficiency of 15.12% and a large NH3 yield rate of 25.63 μg h−1 mgcat.−1 at −0.40 V versus reversible hydrogen electrode in 0.1 M HCl.

scholarly journals Intimate atomic Cu-Ag interfaces for high CO2RR selectivity towards CH4 at low over potential

Nano Research ◽  
2021 ◽  
Author(s):  
Chungseok Choi ◽  
Jin Cai ◽  
Changsoo Lee ◽  
Hyuck Mo Lee ◽  
Mingjie Xu ◽  
...  
Keyword(s):  
Value Added ◽  
Carbon Dioxide Reduction ◽  
Reduction Reaction ◽  
Reversible Hydrogen Electrode ◽  
Hydrogen Electrode ◽  
Faradaic Efficiency ◽  
Cu Nanowires ◽  
The Past ◽  
Cu Alloys ◽  
Electrochemical Catalysts

AbstractDeveloping highly efficient electrochemical catalysts for carbon dioxide reduction reaction (CO2RR) provides a solution to battle global warming issues resulting from ever-increasing carbon footprint due to human activities. Copper (Cu) is known for its efficiency in CO2RR towards value-added hydrocarbons; hence its unique structural properties along with various Cu alloys have been extensively explored in the past decade. Here, we demonstrate a two-step approach to achieve intimate atomic Cu-Ag interfaces on the surface of Cu nanowires, which show greatly improved CO2RR selectivity towards methane (CH4). The specially designed Cu-Ag interfaces showed an impressive maximum Faradaic efficiency (FE) of 72% towards CH4 production at −1.17 V (vs. reversible hydrogen electrode (RHE)).

TiS2 nanosheets for efficient electrocatalytic N2 fixation to NH3 under ambient conditions

2019 ◽  
Vol 6 (8) ◽  
pp. 1986-1989 ◽  
Author(s):  
Kun Jia ◽  
Yuan Wang ◽  
Lang Qiu ◽  
Jiajia Gao ◽  
Qi Pan ◽  
...  
Keyword(s):  
N2 Fixation ◽  
Reversible Hydrogen Electrode ◽  
Ambient Conditions ◽  
Hydrogen Electrode ◽  
Faradaic Efficiency

TiS2 is efficient for electrochemical N2 fixation to NH3 in 0.1 M Na2SO4, achieving a faradaic efficiency of 5.50% with an NH3 yield of 16.02 μg h−1 mg−1cat at a potential of −0.6 V vs. reversible hydrogen electrode.

scholarly journals Biochar-Supported BiOx for Effective Electrosynthesis of Formic Acid from Carbon Dioxide Reduction

Crystals ◽  
2021 ◽  
Vol 11 (4) ◽  
pp. 363
Author(s):  
Juqin Zeng ◽  
Pravin Jagdale ◽  
Mirtha A. O. Lourenço ◽  
M. Amin Farkhondehfal ◽  
Daniele Sassone ◽  
...  
Keyword(s):  
Carbon Dioxide ◽  
Electrochemical Techniques ◽  
Co2 Reduction ◽  
Value Added ◽  
Potential Range ◽  
Hydrogen Electrode ◽  
Faradaic Efficiency ◽  
Global Issues ◽  
Application Potential ◽  
Carbon Dioxide Co2

The electrochemical reduction of carbon dioxide (CO2) to value-added chemicals and fuels has attracted worldwide interest for its potential to address various contemporary global issues such as CO2-related climate change, the earth’s carbon deficit and the energy crisis. In the development of this technology, many efforts have been focused on the design of inexpensive, eco-friendly and effective catalysts. In this work, a bismuth (Bi)-based material was simply synthesized via a scalable method and fully characterized by physical, chemical and electrochemical techniques. The catalyst material consisted of Bi/Bi2O3 nanoparticles and a biochar prevenient from the pyrolysis of brewed coffee waste. It was observed that the surface of the biochar was thoroughly decorated with nanoparticles. Due to its uniform surface, the biochar–BiOx electrode demonstrated good selectivity for CO2 reduction, showing a faradaic efficiency of more than 90% for CO and HCOOH formation in a wide potential range. Particularly, the selectivity for HCOOH reached more than 80% from −0.9 V to −1.3 V vs the reversible hydrogen electrode and peaks at 87%. Besides the selectivity, the production rate of HCOOH also achieved significant values with a maximum of 59.6 mg cm−2 h−1, implying a good application potential for biochar–BiOx material in the conversion of CO2 to HCOOH.

Promoting electrocatalytic nitrogen reduction to ammonia via Fe-boosted nitrogen activation on MnO2 surfaces

2020 ◽  
Vol 8 (27) ◽  
pp. 13679-13684 ◽  
Author(s):  
Ting Huang ◽  
Zaichun Liu ◽  
Yu Zhang ◽  
Faxing Wang ◽  
Juan Wen ◽  
...  
Keyword(s):  
Formation Rate ◽  
Good Stability ◽  
Reversible Hydrogen Electrode ◽  
Hydrogen Electrode ◽  
Faradaic Efficiency ◽  
Nitrogen Reduction ◽  
Nitrogen Activation

Fe-doped MnO2 shows excellent NRR behaviour including a high faradaic efficiency of 16.8%, a high NH3 formation rate of 39.2 μg h−1 mgcat.−1 at −0.29 V vs. the reversible hydrogen electrode in 0.1 M Na2SO4, and good stability.

Ambient electrohydrogenation of N2 for NH3 synthesis on non-metal boron phosphide nanoparticles: the critical role of P in boosting the catalytic activity

2019 ◽  
Vol 7 (27) ◽  
pp. 16117-16121 ◽  
Author(s):  
Xiaojuan Zhu ◽  
Tongwei Wu ◽  
Lei Ji ◽  
Chengbo Li ◽  
Ting Wang ◽  
...  
Keyword(s):  
Catalytic Activity ◽  
Critical Role ◽  
Reduction Reaction ◽  
Reversible Hydrogen Electrode ◽  
Hydrogen Electrode ◽  
Faradaic Efficiency ◽  
Boron Phosphide

As a non-metal electrocatalyst for the N2 reduction reaction, boron phosphide nanoparticles offer a high NH3 yield of 26.42 μg h−1 mgcat.−1 and a high faradaic efficiency of 12.7% at –0.60 V vs. the reversible hydrogen electrode in 0.1 M HCl.

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