Bifunctional ionomers for efficient co-electrolysis of CO2 and pure water towards ethylene production at industrial-scale current densities

Amorphous NxC Coating Promotes Electrochemical CO2 Deep Reduction to Hydrocarbons over Ag Nanocatalysts

“…As a result, 79 ± 2% Faradaic efficiency (FE) of C 2 products was achieved from the CO 2 RR. In addition, our previous reports1,23,24 also proved that the construction of functional groups on the surface of Cu catalysts can effectively promote the formation of multicarbon products. The N species on the surface of the Cu catalyst could activate the CO 2 molecules to enhance the coverage of the CO intermediate and further boost the C−C coupling process.…”

“…Therefore, it receives the most attention among all catalysts, − while it still faces some challenges in practical application, such as low selectivity, stability, and the competition of a hydrogen evolution reaction (HER). To date, modifying its electronic structure and morphology − or constructing a special surface chemical environment by functional groups ,,, are the ongoing subjects for promoting the activity, selectivity, and stability of Cu-based catalysts toward alcohols and hydrocarbon products from the CO 2 RR. For example, Chen et al reported that doping boron element could tune the electronic structure of the Cu catalyst and that Cu δ+ generated on the Cu surface can accelerate the conversion of CO 2 into multicarbon products due to the appropriate adsorption energy between the CO intermediate and Cu active sites, which leads to a prolonged residence time of the CO intermediate to advance the C–C coupled electron-proton transfer reaction.…”

Overall Carbon‐neutral Electrochemical Reduction of CO2 in Molten Salts using a Liquid Metal Sn Cathode

“…Electrochemical reduction of CO 2 in aqueous solutions is limited by competitive hydrogen evolution and the low solubility of CO 2 [1–3] . However, it has been recently demonstrated that molten salt can function as an ideal electrolyte to capture, activate and convert CO 2 into advanced carbon and hydrocarbon [4–8] .…”

“…This process integrates energy-efficient CO 2 conversion and template-free fabrication of value-added metal-carbon, achieving an overall carbon-neutral electrochemical reduction of CO 2 .Electrochemical reduction of CO 2 in aqueous solutions is limited by competitive hydrogen evolution and the low solubility of CO 2 . [1][2][3] However, it has been recently demonstrated that molten salt can function as an ideal electrolyte to capture, activate and convert CO 2 into advanced carbon and hydrocarbon. [4][5][6][7][8] This is due to a thermodynamically spontaneous reaction between CO 2 and O 2À in molten salts (Figure S1, Supporting Information), which thereby increases the solubility of CO 2 in molten salts to several moles per liter.…”

Recyclable, Fire-Resistant, Superstrong, and Reversible Ionic Polyurea-Based Adhesives

“…Carbon dioxide (CO 2 ) is one of the most attractive eco-friendly C1 resources, and its conversion and utilization are receiving global consensus in terms of achieving carbon neutrality and lowering petroleum usage. − Although the inherent thermostability and chemical inertness of CO 2 encumber its upgradation to higher value-added chemicals, numerous endeavors have been devoted to converting CO 2 into hydrocarbon fuels or polymeric materials through developing exquisite catalyst systems, , cooperating with green energies (electricity, solar, or heat), − or coupling with high-energy reactants. − The reduction of CO 2 into hydrocarbon fuels is of paramount importance to alleviate energy and environmental problems, but only a few high-value products are economically viable due to low product selectivity and unsatisfied energy efficiency. − On the other hand, copolymerization of CO 2 with epoxides, diols, diamines, or amino alcohols to synthesize functional polymers [polycarbonate (PC), polyurea (PUa), and polyurethane (PU)] is a highly rewarding CO 2 -valorization approach. − …”