Nanoporous Carbon Materials Derived from Biomass Precursors: Sustainable Materials for Energy Conversion and Storage

Chen, Zhikai; Jiang, Xiaoli; Boyjoo, Yash; Zhang, Lan; Li, Wei; Zhao, Lin; Liu, Yanxia; Zhang, Yagang; Liu, Jian; Li, Xifei

doi:10.1007/s41918-024-00223-y

Electrochem. Energy Rev.

2024

DOI: 10.1007/s41918-024-00223-y

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Nanoporous Carbon Materials Derived from Biomass Precursors: Sustainable Materials for Energy Conversion and Storage

Zhikai Chen,

Xiaoli Jiang,

Yash Boyjoo

et al.

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Cited by 5 publications

References 266 publications

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Dual‐Carbon Assisted Oxygen Vacancy Engineering for Optimizing Mn(III) Sites to Enhance Zn–air Battery Performances

Zhou,

Xu,

et al. 2024

Adv Funct Materials

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Owing to kinetic‐sluggish nature of electrocatalytic oxygen transformation processes, it is pivotal to develop durable and efficient bifunctional air electrode catalysts for fabricating high‐performance Zn–air batteries (ZABs). In this work, oxygen vacancy (Ov) induced Mn(III) sites optimization is achieved via nano‐micro structure modulation. Protonated carbon nitride (p‐C3N4) is applied as a structure‐stiffening module to immobilize α‐MnO2 on N/P‐doped active carbon (NPAC) and induce Ov construction. X‐ray adsorption spectra (XAS) disclose the formation of Ov and Mn(III) sites in MCC, the unit coordination structure is well maintained with the aid of a dual‐carbon strategy. Mn(III) sites efficiently catalyze oxygen reduction/evolution reaction (ORR/OER), MCC shows high half‐wave potential (E1/2) of 0.88 V for ORR and low potential at 10 mA cm−2 (Ej = 10) of 1.64 V for OER. According to density functional theory (DFT) simulations analysis, the gorgeous bifunctional activity is owing to that optimized charge distribution facilitates the intermediates transformation. Aqueous ZABs based on MCC manifests high peak power density of 452 mW cm−2 and durable cycling stability of 1640 h. Quasi‐solid‐state ZABs based on MCC also show satisfactory performances (175 mW cm−2, 105 h). This work provides the route to develop efficient and durable electrocatalyst for constructing ZABs with long lifespan and high‐power‐density.

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Dual‐Carbon Assisted Oxygen Vacancy Engineering for Optimizing Mn(III) Sites to Enhance Zn–air Battery Performances

Zhou,

Xu,

et al. 2024

Adv Funct Materials

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Oxygen Defect Site Filling Strategy Induced Moderate Enrichment of Reactants for Efficient Electrocatalytic Biomass Upgrading

Cheng,

Zhan,

et al. 2024

Advanced Science

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The electrocatalytic oxidation of 5‐hydroxymethylfurfural (HMF) provides a feasible approach for the efficient utilization of biomass. Defect regulation is an effective strategy in the field of biomass upgrading to enhance the adsorption capacity of reactants and thus increase the activity. However, how to select appropriate strategies to regulate the over‐enrichment of reactants induced by excessive oxygen vacancy is still a huge challenge. In this work, the defect‐filling strategy to design and construct an element‐filled oxygen vacancy site layered double hydroxide (S─Ov─LDH) is adopted, which achieves a significant reduction in the electrolysis potential of biomass platform molecule HMF oxidation reaction and a significant increase in current density. Physical characterizations, electrochemical measurements, and theoretical calculations prove that the formation of metal─S bond in the second shell effectively regulates the electronic structure of the material, thus weakening the over‐strong adsorption of HMF and OH− induced by excessive oxygen vacancy, promoting the formation of high‐valence Co3+ during the reaction, and forming new adsorption sites. This work discusses the catalytic enhancement mechanism of defect filling in detail, fills the gap of defect filling in the field of biomass upgrading, and provides favorable guidance for the further development of defect regulation strategies.

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Multi-layered carbon accommodation of MnO2 enabling fast kinetics for highly stable zinc ion batteries

Li,

Yang,

et al. 2024

Journal of Colloid and Interface Science

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Nanoporous Carbon Materials Derived from Biomass Precursors: Sustainable Materials for Energy Conversion and Storage

Cited by 5 publications

References 266 publications

Dual‐Carbon Assisted Oxygen Vacancy Engineering for Optimizing Mn(III) Sites to Enhance Zn–air Battery Performances

Dual‐Carbon Assisted Oxygen Vacancy Engineering for Optimizing Mn(III) Sites to Enhance Zn–air Battery Performances

Oxygen Defect Site Filling Strategy Induced Moderate Enrichment of Reactants for Efficient Electrocatalytic Biomass Upgrading

Multi-layered carbon accommodation of MnO2 enabling fast kinetics for highly stable zinc ion batteries

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