Mechanosynthesized electroactive materials for sustainable energy and environmental applications: A critical review

Chen, Zhijie; Han, Gao-Feng; Mahmood, Asif; Hou, Jingwei; Wei, Wei; Kyong Shon, Ho; Wang, Guoxiu; David Waite, T.; Baek, Jong-Beom; Ni, Bing-Jie

doi:10.1016/j.pmatsci.2024.101299

Cited by 17 publications

References 500 publications

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In Situ Amorphization of Electrocatalysts

Meng,

Chen,

Zhu

et al. 2024

Adv Funct Materials

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Electrocatalysis represents an efficient and eco‐friendly approach to energy conversion, enabling the sustainable synthesis of valuable chemicals and fuels. The deliberate engineering of electrocatalysts is crucial to improving the efficacy and scalability of electrocatalysis. Notably, the occurrence of in situ amorphization within electrocatalysts has been observed during various electrochemical processes, influencing the energy conversion efficiency and catalytic mechanism understanding. Of note, the dynamic transformation of catalysts into amorphous structures is complex, often leading to various amorphous configurations. Therefore, revealing this amorphization process and understanding the function of amorphous species are pivotal for elucidating the structure‐activity relationship of electrocatalysts, which will direct the creation of highly efficient catalysts. This review examines the mechanisms behind amorphous structure formation, summarizes characterization methods for detecting amorphous species, and discusses strategies for controlling (pre)catalyst properties and electrochemical conditions that influence amorphization. It also emphasizes the importance of spontaneously formed amorphous species in electrochemical oxidation and reduction reactions. Finally, it addresses challenges in the in situ amorphization of electrocatalysts. aiming to guide the synthesis of electrocatalysts for efficient, selective, and stable electrochemical reactions, and to inspire future advancements in the field.

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In Situ Amorphization of Electrocatalysts

Meng,

Chen,

Zhu

et al. 2024

Adv Funct Materials

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BaS:MnS:Sb₂S₅ Mixed Metal Chalcogenide Cubes: Synthesis, Characterization, and Exploring Energy Storage and Production Potential

Ahmad,

Jaffri,

Al‐Hawadi

et al. 2024

Applied Organom Chemis

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Energy‐efficient semiconducting BaS:MnS:Sb2S5 has been synthesized using a single source precursor method. The resulting dithiocarbamate metallic sulfide has an average crystallite size of 17.77 nm and a small band gap of 3.82 eV. A functional group investigation revealed the presence of several bonds, including the metal sulfide bond. This sulfide exhibited a double‐step thermal breakdown pattern. BaS:MnS:Sb2S5 particles were formed like cubes and tended to form cube‐like formations. The electrochemical charge‐storing behavior of BaS:MnS:Sb2S5 was investigated using a nickel foam electrode and a sulfide slurry. The fabricated electrode demonstrated a satisfactory capacity for charge storage, with a specific capacitance of 762.83 F g−1. This indicates a substantial amount of potential for long‐term energy storage utilizing electrodes. This electrode has a specific power density of 9084.78 W kg−1 and a low series resistance of (Rs) = 0.71 Ω, as per impedance measurements. Electro‐catalysis produced an OER overpotential and a corresponding Tafel slope of 233 mV and 157 mV/dec from the electrode. Conversely, for HER activity, the obtained overpotential and subsequent Tafel slope were 386 mV and 73 mV dec−1, respectively.

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Electrocatalytic CO₂ Reduction to Alcohols: Progress and Perspectives

Long,

Chen,

et al. 2024

Small Science

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Utilizing renewable electricity for the electrocatalytic conversion of CO2 into alcohols represents a promising avenue for generating value‐added fuels and achieving carbon neutrality. Recently, there has been growing scientific interest in achieving high‐efficiency conversion of CO2 to alcohols, with significant advancements made in mechanism understanding, reactor design, catalyst development, and more. Herein, a thorough examination of the latest advances in electrocatalytic CO2 reduction reaction (CO2RR) to alcohols is provided. General mechanisms and pathways of electrocatalytic conversion of CO2‐to‐alcohols are systematically illustrated. Subsequently, electrolyzer configurations, electrolytes, and electrocatalysts employed in CO2RR are summarized. After that, critical operating parameters (e.g., reaction pressure, temperature, and pH) that would significantly influence the CO2RR process are also analyzed. Finally, the review addresses challenges and offers perspectives in this field to guide future studies aimed at advancing CO2‐to‐alcohols conversion technologies.

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Mechanosynthesized electroactive materials for sustainable energy and environmental applications: A critical review

Cited by 17 publications

References 500 publications

In Situ Amorphization of Electrocatalysts

In Situ Amorphization of Electrocatalysts

BaS:MnS:Sb₂S₅ Mixed Metal Chalcogenide Cubes: Synthesis, Characterization, and Exploring Energy Storage and Production Potential

Electrocatalytic CO₂ Reduction to Alcohols: Progress and Perspectives

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Mechanosynthesized electroactive materials for sustainable energy and environmental applications: A critical review

Cited by 17 publications

References 500 publications

In Situ Amorphization of Electrocatalysts

In Situ Amorphization of Electrocatalysts

BaS:MnS:Sb2S5 Mixed Metal Chalcogenide Cubes: Synthesis, Characterization, and Exploring Energy Storage and Production Potential

Electrocatalytic CO2 Reduction to Alcohols: Progress and Perspectives

Contact Info

Product

Resources

About

BaS:MnS:Sb₂S₅ Mixed Metal Chalcogenide Cubes: Synthesis, Characterization, and Exploring Energy Storage and Production Potential

Electrocatalytic CO₂ Reduction to Alcohols: Progress and Perspectives