Metal–Organic Layers Leading to Atomically Thin Bismuthene for Efficient Carbon Dioxide Electroreduction to Liquid Fuel

Cao, Changsheng; Ma, Dongdong; Gu, Jia‐Fang; Xie, Xiuyuan; Zeng, Guang; Li, Xiaofang; Han, Shu‐Guo; Zhu, Qi‐Long; Wu, Xin‐Tao; Xu, Qiang

doi:10.1002/anie.202005577

Cited by 292 publications

(226 citation statements)

References 65 publications

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“…Up to now, the use of flow cell reactors is an effective strategy to overcome the restriction. [38] Therefore, the CO 2 RR performance of the SnO 2 / CuO NCs was further estimated in a flow cell reactor filled with 1 M KOH ( Figure S19). As displayed in Figure 5 and Figure S20, the SnO 2 /CuO NCs deliver the formate current densities of 230 and mA cm À at low applied potentials of À 0.61 and À 0.63 V vs. RHE, respectively, which is superior to most current Sn-based catalysts (Table S2).…”

Section: Resultsmentioning

confidence: 99%

“…Due to the low solubility of CO 2 in aqueous electrolyte, there are currently no electrocatalysts that can reach sufficient current density to meet commercial requirements (>200 mA cm −2 ) in a typical H‐type cell. Up to now, the use of flow cell reactors is an effective strategy to overcome the restriction [38] . Therefore, the CO 2 RR performance of the SnO 2 /CuO NCs was further estimated in a flow cell reactor filled with 1 M KOH (Figure S19).…”

Section: Resultsmentioning

confidence: 99%

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Derived CuSn Alloys from Heterointerfaces in Bimetallic Oxides Promote the CO₂ Electroreduction to Formate

et al. 2021

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Electroreduction of CO 2 into valuable chemicals provides a promising strategy for mitigating excessive CO 2 emissions and storing intermittent renewable energy. Herein, SnO 2 /CuOnanoparticle composites (NCs) with rich heterointerfaces were designed for selectively converting CO 2 into liquidus formate. Distinct from only monometallic phase evolved in physicallymixed samples, Cu and Sn atoms at the heterointerfaces were in-situ reduced into alloys under working conditions. With residual SnO x /CuO x stabilizing the CO 2 * À intermediate, CuSn alloys can obviously suppress the undesired hydrogen evolution reaction and then enhance the catalytic selectivity. In a H-type cell, as-obtained SnO 2 /CuO NCs exhibit Faraday efficiency (FE) of 89.3 % and current density of 18.34 mA cm À 2 for formate, which is stable for 30 h at À 1.0 V vs. RHE. Impressively, the formate current density of 310 mA cm À 2 is achieved in a flow cell. Moreover, constructing efficient samples by the heterointerfaces engineering would provide an inspiration for designing novel electrocatalysts.

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Section: Resultsmentioning

confidence: 99%

Section: Resultsmentioning

confidence: 99%

Derived CuSn Alloys from Heterointerfaces in Bimetallic Oxides Promote the CO₂ Electroreduction to Formate

et al. 2021

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“…Au, Ag, and Zn prefer the production of CO, [10a,63] while Sn, Bi, In, Pb, and Sb catalysts can primarily produce HCOOH. [17,64] Particularly, Cu is the only monometallic catalysts that can produce multiple hydrocarbons as the reduction products from CO 2 RR. [65] Table 1 summarizes the catalytic performance of Co-based catalysts published so far for ECO 2 RR.…”

Section: The Reduction Product Distribution By Co-based Catalystsmentioning

confidence: 99%

Nanostructured Cobalt‐Based Electrocatalysts for CO₂Reduction: Recent Progress, Challenges, and Perspectives

Chen

Zhang

et al. 2020

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million (ppm), which is ≈50% higher than that of the pre-industrial level (280 ppm). [1] The consequent climate change (the average temperature increase of 0.8 °C above the pre-industrial level) causes global warming, one of the top environmental concerns. [2] To maintain the sustainable development of the society, the Intergovernmental Panel on Climate Change (IPCC) recently recommended the warming limit to 1.5 °C rather than 2.0 °C to reduce catastrophic climate change issues, requiring the commitment to take action to control global carbon emission. [3] Under the Paris Agreement, many countries endeavor to reduce greenhouse gas emissions gradually by 2030. [4] The carbon capture and storage (CCS) is a feasible strategy to lower the CO 2 emissions substantially. Long-term storage issues related to the leakage of CO 2 and the lack of economic incentives limited its development. [5] The CO 2 reduction reactions (CO 2 RR) that convert CO 2 into other value-added carbon products could provide a well alternative to the utilization of the captured CO 2 , which not only contributes to the mitigation of CO 2 emission but also offers useful products that can serve as fuels such as CO, HCOOH, CH 3 OH, and CH 4. [6] Moreover, the drive power of CO 2 RR could come from renewable energy resources, such as solar, wind, and hydraulic resources, which indicates that in a green concept, CO 2 RR could complete the carbon loop and potentially solve the issues of global warming and energy crisis simultaneously. [7] 1.1. Fundamental Reaction Pathways of CO 2 RR CO 2 RR is not thermodynamically and kinetically favorable. Every reduction pathway demands a certain amount of energy input. Equations (1-13) shows the reaction steps involved in CO 2 RR (in pH = 7 aqueous solution, vs Normal Hydrogen Electrode (NHE)). [8] As illustrated, it requires a significant amount of reorganizational energy between the linear molecule CO 2 and the bent radical anion − CO 2 • (Equation (1)). When coupling with proton in the reaction, the required reaction energy decreases (Equations (2-12)). Aqueous media with H 2 O molecules become ideal for providing proton into the CO 2 RR system. The reduction potential of hydrogen evolution reaction (HER) (Equation (13)) is close to that of CO 2 RR. It makes HER a competitive reaction against CO 2 RR during the reduction CO 2 reduction reaction (CO 2 RR) provides a promising strategy for sustainable carbon fixation by converting CO 2 into value-added fuels and chemicals. In recent years, considerable efforts are focused on the development of transition-metal (TM)-based catalysts for the selectively electrochemical CO 2 reduction reaction (ECO 2 RR). Co-based catalysts emerge as one of the most promising electrocatalysts with high Faradaic efficiency, current density, and low overpotential, exhibiting excellent catalytic performance toward ECO 2 RR for CO and HCOOH productions that are economically viable. The intrinsic contribution of Co and the synergistic effects in Co-hybrid catalysts play essential roles for ...

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“…5e,f), superior to other Cu catalysts (Cu, CuTCPP, Cu2O, and CuO) 84 . More recently, Cao et al applied in situ electrochemical transformations to obtain atomically thin bismuthene (Bi-ene) that can produce formate with a FE of ~100 % in a wider potential range 85 . Based on the study of in situ ATR-IR spectra, the authors hypothesized that the absorption of HCO − 3 in the surface led to the formation of OCHO* intermediate, which gives a new insight into the CO2 electroreduction process.…”

Section: Co2 Reduction Reaction (Co2rr)mentioning

confidence: 99%

Conductive Metal-Organic Frameworks for Electrocatalysis：Achievements, Challenges, and Opportunities

Gao¹,

Wang²,

Li³

et al. 2020

Acta Physico Chimica Sinica

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To fulfill the demands of green and sustainable energy, the production of novel catalysts for different energy conversion processes is critical. Owing to the intriguing advantages of the intrinsic active species, tunable crystal structure, remarkable chemical and physical properties, and good stability, metal-organic frameworks (MOFs) have been extensively investigated in various electrochemical energy conversions, such as the CO2 reduction reaction, N2 reduction reaction, oxygen evolution reaction, hydrogen evolution reaction, and oxygen reduction reaction. More importantly, it is feasible to change the chemical environments, pore sizes, and porosity of MOFs, which will theoretically facilitate the diffusion of reactants across the open porous networks, thereby improving the electrocatalytic performance. However, owing to the high energy barriers of charge transfer and limited free charge carriers, most MOFs show poor electrical conductivity, thus limiting their diverse applications. As reported previously, MOFs were used as a porous substrate to confine the growth of nanoparticles or co-doped electrocatalysts after annealing. The conductive MOFs can combine the advantages of conventional MOFs with electronic conductivity, which significantly enhance the electrocatalytic performance. In addition, conductive MOFs can achieve conductivity via electronic or ionic routes without post-annealing treatment, thereby extending their potential applications. Different synthesis strategies have recently been developed to endow MOFs with electrical conductivity, such as post-synthesis modification, guest molecule introduction, and composite formatting. The performance of conductive MOFs can even outperform those of commercial RuO2 catalysts or Pt-group catalysts. However, it is difficult to endow most MOFs with high conductivity. This review summarizes the mechanisms of constructing conductive MOFs, such as redox hopping, through-bond pathways, through-space pathways, extended conjugation, and guest-promoted transport. Synthetic methods, including hydro/solvothermal synthesis and interface-assisted synthesis, are introduced. Recent advances in the use of conductive MOFs as heterogeneous catalysts in electrocatalysis have been comprehensively elucidated. It has been reported that conductive MOFs can demonstrate considerable catalytic activity, selectivity, and stability in different electrochemical reactions, revealing the immense potential for future displacement of Pt-group catalysts. Finally, the challenges and opportunities of conductive MOFs in electrocatalysis are discussed. Based on systematic synthesis strategies, more conductive MOFs can be constructed for electrocatalytic reactions. In addition, the morphology and structure of conductive MOFs, which can change the electrochemical accessibility between substrates and MOFs, are also crucial for catalysis, and thus, they should be extensively studied in the future. It is believed that a breakthrough for high-performance conductive MOF-based electrocatalysts could be ac...

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Metal–Organic Layers Leading to Atomically Thin Bismuthene for Efficient Carbon Dioxide Electroreduction to Liquid Fuel

Cited by 292 publications

References 65 publications

Derived CuSn Alloys from Heterointerfaces in Bimetallic Oxides Promote the CO₂ Electroreduction to Formate

Derived CuSn Alloys from Heterointerfaces in Bimetallic Oxides Promote the CO₂ Electroreduction to Formate

Nanostructured Cobalt‐Based Electrocatalysts for CO₂Reduction: Recent Progress, Challenges, and Perspectives

Conductive Metal-Organic Frameworks for Electrocatalysis：Achievements, Challenges, and Opportunities

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Metal–Organic Layers Leading to Atomically Thin Bismuthene for Efficient Carbon Dioxide Electroreduction to Liquid Fuel

Cited by 292 publications

References 65 publications

Derived CuSn Alloys from Heterointerfaces in Bimetallic Oxides Promote the CO2 Electroreduction to Formate

Derived CuSn Alloys from Heterointerfaces in Bimetallic Oxides Promote the CO2 Electroreduction to Formate

Nanostructured Cobalt‐Based Electrocatalysts for CO2Reduction: Recent Progress, Challenges, and Perspectives

Conductive Metal-Organic Frameworks for Electrocatalysis：Achievements, Challenges, and Opportunities

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Derived CuSn Alloys from Heterointerfaces in Bimetallic Oxides Promote the CO₂ Electroreduction to Formate

Derived CuSn Alloys from Heterointerfaces in Bimetallic Oxides Promote the CO₂ Electroreduction to Formate

Nanostructured Cobalt‐Based Electrocatalysts for CO₂Reduction: Recent Progress, Challenges, and Perspectives