Humanity already possesses the fundamental scientific, technical, and industrial know-how to solve the carbon and climate problem for the next half-century. A portfolio of technologies now exists to meet the world's energy needs over the next 50 years and limit atmospheric CO2 to a trajectory that avoids a doubling of the preindustrial concentration. Every element in this portfolio has passed beyond the laboratory bench and demonstration project; many are already implemented somewhere at full industrial scale. Although no element is a credible candidate for doing the entire job (or even half the job) by itself, the portfolio as a whole is large enough that not every element has to be used.

“Stabilization wedges: Solving the climate problem for the next 50 years with current technologies” from science magazine (2004)

Synthesis of porous poly(ionic liquid)s for chemical CO2 fixation with epoxides

The rational integration of multiple functional units into heterogeneous materials to improve catalytic performance is highly desirable for CO2 value-added processes. Herein, a catalyst composed of porous carbon matrix with atomically dispersed Lewis acid sites (i.e., AlO5 motifs) and imidazolium-based poly(ionic liquid)s (denoted as [email protected]) was fabricated. Compared with pure Al-O-C or PILs, the optimized [email protected] exhibits superior catalytic performance (>90% yield) towards cycloaddition reaction of CO2 and epoxides in the absence of solvent and co-catalyst. The enhanced activity of [email protected] is attributed to the synergistic effect among the uniform N sites (Lewis base sites) and abundant bromide anions (nucleophilic agents) in the PILs network, as well as the atomically dispersed Al sites (Lewis acid sites) in the Al-O-C matrix. This work provides an advanced [email protected] catalyst for constructing a neat catalytic system towards CO2 fixation. 

Atomically Dispersed Lewis Acid Sites Meet Poly(ionic liquid)s Networks for Solvent-free and Co-catalyst-free Conversion of CO2 to Cyclic Carbonates

Efficient utilizing CO2 is crucial approaches in achieving carbon neutralization. One of the challenges lies in the in-situ conversion of low concentration CO2 found in waste gases. This study introduces a novel heterogeneous catalyst known as silver nanoparticles in porous N-heterocyclic carbene polymer (Ag@POP-NL-3). The catalyst is synthesized via a streamlined pre-coordination method. Ag@POP-NL-3 exhibits uniform distribution of silver nanoparticles, a porous structure and nitrogen activation groups. It demonstrates high efficiency and selectivity in absorbing and activating CO2 and enabling the conversion of low concentration CO2 (30 vol%) from lime kiln waste gas into cyclic carbonate under mild conditions. This catalytic system achieves both CO2 capture and resource utilization of CO2 simultaneously, effectively fixing low-concentration CO2 from waste gases into C2+ valuable chemicals. This approach elegantly addresses two goals in one solution. 

Efficient in-situ conversion of low-concentration carbon dioxide in exhaust gas using silver nanoparticles in N-heterocyclic carbene polymer.

Insight into the reversible behavior of Lewis–Brønsted basic poly(ionic liquid)s in one-pot two-step chemical fixation of CO2 to linear carbonates

One-Pot Multiple-Step Integration Strategy for Efficient Fixation of CO2 into Chain Carbonates by Azolide Anions Poly(ionic liquid)s

The invention relates to a hydrophobic spontaneous combustion N-hydrocarbonyl triazole dicyanoborane complex and a preparation method thereof The structure of the N-hydrocarbonyl triazole dicyanoborane complex is shown as a formula I The method for preparing the complex mainly comprises the following steps: carrying out an N-hydrocarbylation reaction on 1,2,4-triazole and a halohydrocarbon compound, performing N-hydroboration coordination with sodium cyanoborohydride, and finally obtaining the target product The complex provided by the invention can serve as hydrophobic spontaneous combustion green rocket propellant fuel and has the advantages of ultrashort ignition delay time, high water stability and the like The structural formula is as shown in the description, wherein R is selected from any one of hydrocarbyl substituent groups

Hydrophobic spontaneous combustion N-hydrocarbonyl triazole dicyanoborane complex and preparation method thereof

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One-Pot Multiple-Step Integration Strategy for Efficient Fixation of CO2 into Chain Carbonates by Azolide Anions Poly(ionic liquid)s

Insight into the reversible behavior of Lewis–Brønsted basic poly(ionic liquid)s in one-pot two-step chemical fixation of CO2 to linear carbonates

Hydrophobic spontaneous combustion N-hydrocarbonyl triazole dicyanoborane complex and preparation method thereof