Study on the Influencing Factors of CO2 from the Perspective of CO2 Mitigation Potentials

Abstract

As the world pays more attention to carbon reduction, it is of great significance to identify the factors of CO2 to achieve carbon peaking and carbon neutrality goals for China. Therefore, this paper explores the factors of CO2 from the perspective of CO2 mitigation potentials (CESP) and analyzes the heterogeneity of each factor. We first employ the DEA-IDA model framework to analyze the CESP and influencing factors of each region, and then use geographically and temporally weighted regress to analyze the spatiotemporal heterogeneity of influencing factors, the efficiency, coal proportion, energy intensity, per capita GDP, urbanization rate, electrification rate, trade, economic structure, and climate conditions. The research results show that: (1) for 1 unit increase in per capita CO2, the per capita CESP increases by 0.56 units. The CESP of the central and western regions is greater than that of the eastern regions, and the improvement of resource utilization efficiency can achieve the peak in advance. (2) Per capita GDP and energy intensity are the main positive factor and negative factor, respectively, and the impact of efficiency changes on CESP is mostly positive. (3) Efficiency is the most influential factor affecting the CESP; among them, a 1% increase in efficiency in Hebei can reduce the CESP of 62.47 Mt. In regions dominated by clean power, the impact of electrification rates is negative. The rest of the factors also showed spatiotemporal heterogeneity. Our findings have important policy implications, especially in how to effectively reduce carbon emissions to formulate more appropriate policy.

Ni-Decorated N-Doped Biomass-Derived Porous Carbon toward Efficient Electroreduction of CO2 to CO

“…Nowadays, the widespread use of chemical fuels has caused the atmospheric concentration of carbon dioxide (CO 2 ) to rise quickly, causing global warming issues. − Therefore, the conversion of CO 2 into useful carbon-based products is urgently needed, which is important for realizing a carbon-neutral cycle. , In recent years, the electrochemical CO 2 reduction reaction (CO 2 RR) has caught the eye of widespread researchers . The CO 2 RR could deplete CO 2 while producing high-added-value carbon products, such as CO, CH 4 , HCOOH and CH 3 OH. , However, CO 2 RR usually exhibits poor catalytic selectivity and low energy conversion efficiency because of the strong CO bond, the low electron affinity, and the competitive hydrogen evolution reaction (HER). , Carbon monoxide (CO), as a CO 2 RR product, is an important chemical feedstock for some synthetic reactions, such as Fischer–Tropsch synthesis and oxalic acid synthesis .…”