Guiming Xie’s research while affiliated with Guizhou University and other places

... The peaks of CBC at 284.7, 285.4, and 289.2 eV represent the C-C, C-OH, and C=O bonds, respectively [28]. The C1s spectra of NiCoCH and NiCoCH@C show the characteristics of carbonates. ...

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One-step preparation of nano-needle-like NiCo-based basic carbonates combined with corn bracts-derived carbon materials for high-performance asymmetric supercapacitors

... The abundant π-electron system associated with aromatic structure and C≡C provide more electron donating capacities, and thus promote the removal of ginsenoside Rb1. The N-and O-containing functional groups could increase the hydrophilicity of the electrochemical electrodes which reduces their mass transfer resistance (Chen et al. 2024). The aromatic properties of biochar were characterized by the molar ratios of H to C, while the atomic ratio of O/ and (O+N)/C can be used as indices to evaluate the degree of aromatization and polarity of biochar. ...

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Increased removal of ginsenoside Rb1 through the application of capacitance-enhanced biochars in soils

... The thermochemical activation strategy was widely used in preparing heteroatom-doped porous carbon employing heteroatomic precursors. A typical highlight was the strong pore-making ability, especially employing caustic potassium/sodium as pore-introducing agents [5,8,[21][22][23][24][25][26][27]. Intense redox reactions between caustic alkali and carbon at high temperatures generated carbonates and fugitive carbon oxide, generally creating abundant micropores in the carbon matrix [10]. ...

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Porous carbons originated from gelatin through molten salt templating in conjunction with chemical activation for ultracapacitors

... Meanwhile, the engineering applications of UHSCMs would result in continuous substantial emissions of CO 2 into the atmosphere, posing significant environmental problems and con-tributing to global warming [1]. In recent years, attention has been paid to utilizing industrial by-products as substitutes for cement clinker in UHSCMs, thereby facilitating the reduction of CO 2 emissions [9][10][11][12][13]. According to Shah et al. [14], the utilization of supplementary cementitious materials has the potential to reduce annual global CO 2 emissions by up to 1.3 billion tons. ...

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Microwave absorption and electromagnetic properties of ultra-high-strength cementitious materials: Influence of basalt powder and underlying mechanism

... This cement formulation was used to produce C40 concrete, which proved its potential for higher strength applications. More recently, research has focused on the application of PG in UHPC [37][38][39][40][41][42]. Yang et al. found that although the mechanical strength of PG-containing UHPC was reduced at an early age, its long-term strength improved and its processability was significantly improved [40]. ...

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Application of Phosphogypsum in Ultra-High-Performance Concrete (UHPC) Matrix for Strength Enhancement and Shrinkage Reduction

... (Leite et al., 2023;Pupin et al., 2022) Environmental conservation has been a global concern since natural resources are not infinite, and nature is incapable of absorbing the excessive production of waste (Freita et al., 2016). In this scenario of search for innovative products, researchers investigate materials to be incorporated into concrete, such as waste from the oil cracking industry, vegetable fibers, rice husk ash, sugarcane bagasse, as well as various types of polymers (Huang et al., 2023;Akid et al., 2021;Rostami et al., 2020;Gu and Ozbakkaloglu, 2016;Asim et al., 2021;Kajaste and Hurme, 2016). ...

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Sustainable Concrete Produced with Petroleum Catalyst waste and Polyethylene Glycol as a Self-Healing Agent

... The introduction of appropriate acrylic acid can accelerate the polymerization rate and increase the yield of acrylonitrile. [18,19] Then, PAN is placed in an air atmosphere and precisely adjusted the pre-oxidation temperature. The acrylonitrile six-membered ring segment and linear segment are modulated, and polar surface groups such as C=N/C=O are introduced into PAN-X. ...

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Preoxidation Assisted Alkali Activation Constructs Polyacrylonitrile‐Based Porous Carbon for Supercapacitors

... Yang et al. grafted copolymerized corn stover cellulose with acrylic acid and potassium humate to produce a hydrogel with high degradability, exhibiting 32.02% degradation within 50 days. The degraded humic acid can serve as a nutrient to promote plant growth, and its water absorption rate remains at 410 g/g after five cycles [25]. ...

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Improving properties of soy protein–based hydrogel composites by incorporating bamboo biochar towards slow release and water retention of fertilizers and enhanced plant growth

... This cement formulation was used to produce C40 concrete, which proved its potential for higher strength applications. More recently, research has focused on the application of PG in UHPC [37][38][39][40][41][42]. Yang et al. found that although the mechanical strength of PG-containing UHPC was reduced at an early age, its long-term strength improved and its processability was significantly improved [40]. ...

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Application of Phosphogypsum in Ultra-High-Performance Concrete (UHPC) Matrix for Strength Enhancement and Shrinkage Reduction

... Cui et al. [10] applied calcium sulfate whisker modified by glutaraldehyde crosslinked chitosan as fillers in PVC, and it was found that the fillers could improve the tensile strength, impact strength, flexural modulus, vicat softening temperature (VST), and thermal stability of PVC composites. Li et al. [11] applied calcium sulfate whisker grafting modification to PVC and found that the comprehensive mechanical properties of PVC composites were well improved compared with pure PVC. Xu et al. [9] prepared anhydrous micrometer calcium sulfate in three morphologies: granular, platy, and short columnar, using phosphogypsum as the raw material. ...

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Preparation of anhydrite whiskers from red gypsum and application in polyvinyl chloride