Engineering p-Band Center of Oxygen Boosting H+ Intercalation in δ-MnO2 for Aqueous Zinc Ion Batteries

Article Chemistry, Multidisciplinary

The origin of capacity fluctuation and rescue of dead Mn-based Zn-ion batteries: a Mn-based competitive capacity evolution protocol

Hang Yang et al.

Summary: By studying manganese oxide, the origin of capacity fluctuation in Mn-based ZIBs was elucidated. New metrics and evaluation criteria were proposed, and the lifespan of batteries was shown to be extendable through acid treatment.

ENERGY & ENVIRONMENTAL SCIENCE (2022)

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Article Chemistry, Multidisciplinary

Synthesis of Uranium Single Atom from Radioactive Wastewater for Enhanced Water Dissociation and Hydrogen Evolution

Min Liu et al.

Summary: A method for synthesizing U single atoms/MoS2 nanosheets from radioactive wastewater for electrocatalytic alkaline HER is reported. The U/MoS2 nanosheets with 5.2% U single atoms show low overpotentials in 1 mol/L KOH electrolyte and have high selectivity.

SMALL (2022)

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Article Chemistry, Multidisciplinary

Synthesis of Nitrogen-Doped KMn8O16 with Oxygen Vacancy for Stable Zinc-Ion Batteries

Guodong Cui et al.

Summary: A multifunctional modification strategy is proposed to synthesize N-doped KMn8O16 with abundant oxygen vacancy and large specific surface area. The N-KMO cathode exhibits improved stability and reaction kinetics, surpassing pristine MnO2 and MnO2 with only oxygen vacancy. The energy storage mechanism of N-KMO cathode is mainly a H+ and Zn2+ co-insertion/extraction process.

ADVANCED SCIENCE (2022)

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Article Engineering, Environmental

Interface charge density modulation of a lamellar-like spatially separated Ni9S8 nanosheet/Nb2O5 nanobelt heterostructure catalyst coupled with nitrogen and metal (M = Co, Fe, or Cu) atoms to accelerate acidic and alkaline hydrogen evolution reactions

Sundaram Chandrasekaran et al.

Summary: The construction of heterostructures based on non-precious metals with platinum-like performance in the hydrogen evolution reaction (HER) is a challenge in hydrogen fuel technology. In this study, heterostructured M-N-Ni9S8/Nb2O5 (M = Co, Fe, or Cu) catalysts were successfully fabricated using spatially separated Ni9S8 nanosheets/Nb2O5 nanobelts coupled with nitrogen (N) and metal atoms. The Co-N-Ni9S8/Nb2O5 heterostructure achieved a low acidic overpotential of-171 mV at-10 mA cm(-2) and outperformed existing heterostructures due to its improved intrinsic activity, interface-rich structure, abundant active sites, and large surface area. The Cu-N-Ni9S8/Nb2O5 heterostructure required a low alkaline overpotential of-109 mV at-10 mA cm(-2), approaching the performance of Pt/C catalyst. Density functional theory (DFT) predictions showed that the local charge distribution and electronic properties at the heterointerface of Ni9S8/Nb2O5 can be modulated by co-doping of metals with N atoms, leading to optimal adsorption energy and reduced water dissociation barrier, thereby enhancing the acidic and alkaline HER activity. This work provides a new design principle for advanced heterostructured catalysts.

CHEMICAL ENGINEERING JOURNAL (2022)

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Article Chemistry, Applied

β-MnO2 with proton conversion mechanism in rechargeable zinc ion battery

Wenbao Liu et al.

Summary: The study investigated the reaction mechanism of nanorod beta-MnO2 in aqueous zinc ion battery, providing a new perspective for the development of Zn//MnO2 battery chemistry.

JOURNAL OF ENERGY CHEMISTRY (2021)

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Article Chemistry, Multidisciplinary

Interlayer Engineering of α-MoO3 Modulates Selective Hydronium Intercalation in Neutral Aqueous Electrolyte

Haozhe Zhang et al.

Summary: This study demonstrates the selective H3O+ intercalation in a neutral ZnCl2 electrolyte for water-proton co-intercalated alpha-MoO3 (WP-MoO3), which shows significantly enhanced specific capacity, rate capability, and cycling stability compared to the Zn2+ intercalation mechanism. This work highlights the possibility of modulating electrochemical intercalating ions through interlayer engineering to construct high-rate and long-life electrodes for aqueous batteries.

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION (2021)

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Article Nanoscience & Nanotechnology

Hexagonal MBene (Hf2BO2): A Promising Platform for the Electrocatalysis of Hydrogen Evolution Reaction

Shuang Feng et al.

Summary: Hexagonal MAB (h-MAB) phases and their two-dimensional derivatives have shown promising electrocatalysis properties, especially for the hydrogen evolution reaction (HER). The introduction of transition metal atoms can enhance catalytic performance by facilitating a charge reduction on the surface oxygen, and the synergy between implanted transition metal atoms and the Hf2BO2 matrix can activate the surface effectively.

ACS APPLIED MATERIALS & INTERFACES (2021)

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Article Chemistry, Multidisciplinary

Boosting the Energy Density of Aqueous Batteries via Facile Grotthuss Proton Transport

Qinghe Zhao et al.

Summary: This study reports the Grotthuss proton transport mechanism in alpha-MnO2 for the first time, and reveals that Ni doping can increase the energy density of the electrode, exacerbate lattice distortion, and play a role in hydrogen bond formation.

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION (2021)

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Article Nanoscience & Nanotechnology

Enhanced Ion Conduction via Epitaxially Polymerized Two-Dimensional Conducting Polymer for High-Performance Cathode in Zinc-Ion Batteries

Xiaoling Zang et al.

ACS APPLIED MATERIALS & INTERFACES (2020)

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Article Chemistry, Multidisciplinary

Activating Basal Planes of NiPS3 for Hydrogen Evolution by Nonmetal Heteroatom Doping

Jun Wang et al.

ADVANCED FUNCTIONAL MATERIALS (2020)

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Article Multidisciplinary Sciences

An organic/inorganic electrode-based hydronium-ion battery

Zhaowei Guo et al.

NATURE COMMUNICATIONS (2020)

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Article Energy & Fuels

Investigation of manganese oxide octahedral molecular sieve (KxMn8-xO16) nanodendrite cathode for aqueous zinc ion batteries

Hongzhe Chen et al.

JOURNAL OF ENERGY STORAGE (2020)

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Article Chemistry, Multidisciplinary

Layered Ca0.28MnO2 center dot 0.5H(2)O as a High Performance Cathode for Aqueous Zinc-Ion Battery

Tianjiang Sun et al.

SMALL (2020)

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Review Chemistry, Multidisciplinary

Active Materials for Aqueous Zinc Ion Batteries: Synthesis, Crystal Structure, Morphology, and Electrochemistry

Xiaoxiao Jia et al.

CHEMICAL REVIEWS (2020)

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Article Chemistry, Physical

Toward a Reversible Mn4+/Mn2+Redox Reaction and Dendrite-Free Zn Anode in Near-Neutral Aqueous Zn/MnO2Batteries via Salt Anion Chemistry

Xiaohui Zeng et al.

ADVANCED ENERGY MATERIALS (2020)

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Article Chemistry, Physical

A High-Rate Aqueous Proton Battery Delivering Power Below-78 °C via an Unfrozen Phosphoric Acid

Heng Jiang et al.

ADVANCED ENERGY MATERIALS (2020)

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Article Chemistry, Physical

Ionic Conductive Interface Boosting High Performance LiNi0.8Co0.1Mn0.1O2 for Lithium Ion Batteries

Wen Liu et al.

ACS APPLIED ENERGY MATERIALS (2020)

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Article Chemistry, Multidisciplinary

Ultra-fast NH4+ Storage: Strong H Bonding between NH4+ and Bi-layered V2O5

Shengyang Dong et al.

CHEM (2019)

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Article Chemistry, Multidisciplinary

A Superior δ-MnO2 Cathode and a Self-Healing Zn-δ-MnO2 Battery

Donghong Wang et al.

ACS NANO (2019)

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Article Chemistry, Physical

Achieving High-Voltage and High-Capacity Aqueous Rechargeable Zinc Ion Battery by Incorporating Two-Species Redox Reaction

Longtao Ma et al.

ADVANCED ENERGY MATERIALS (2019)

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Article Chemistry, Physical

Tuning phase evolution of β-MnO2 during microwave hydrothermal synthesis for high-performance aqueous Zn ion battery

Mingqiang Liu et al.

NANO ENERGY (2019)

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Review Electrochemistry

Electrode Materials for Rechargeable Zinc-Ion and Zinc-Air Batteries: Current Status and Future Perspectives

Dan Yang et al.

ELECTROCHEMICAL ENERGY REVIEWS (2019)

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Article Chemistry, Multidisciplinary

Redox Chemistry of Molybdenum Trioxide for Ultrafast Hydrogen-Ion Storage

Xianfu Wang et al.

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION (2018)

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Article Chemistry, Multidisciplinary

Graphene Scroll-Coated alpha-MnO2 Nanowires as High-Performance Cathode Materials for Aqueous Zn-Ion Battery

Buke Wu et al.

SMALL (2018)

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Article Multidisciplinary Sciences

Polyaniline-intercalated manganese dioxide nanolayers as a high-performance cathode material for an aqueous zinc-ion battery

Jianhang Huang et al.

NATURE COMMUNICATIONS (2018)

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Review Electrochemistry

Vanadium-Based Cathode Materials for Rechargeable Multivalent Batteries: Challenges and Opportunities

Han Tang et al.

ELECTROCHEMICAL ENERGY REVIEWS (2018)

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Article Chemistry, Multidisciplinary

Water-Lubricated Intercalation in V2O5•nH2O for High-Capacity and High-Rate Aqueous Rechargeable Zinc Batteries

Mengyu Yan et al.

ADVANCED MATERIALS (2018)

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Article Chemistry, Physical

Exploiting High-Performance Anode through Tuning the Character of Chemical Bonds for Li-Ion Batteries and Capacitors

Chaofeng Liu et al.

ADVANCED ENERGY MATERIALS (2017)

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Article Chemistry, Multidisciplinary

Zn/MnO2 Battery Chemistry With H+ and Zn2+ Coinsertion

Wei Sun et al.

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY (2017)

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Article Multidisciplinary Sciences

Rechargeable aqueous zinc-manganese dioxide batteries with high energy and power densities

Ning Zhang et al.

NATURE COMMUNICATIONS (2017)

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Article Chemistry, Multidisciplinary

Cation-Deficient Spinel ZnMn2O4 Cathode in Zn(CF3SO3)2 Electrolyte for Rechargeable Aqueous Zn-Ion Battery

Ning Zhang et al.

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY (2016)

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Article Energy & Fuels

Reversible aqueous zinc/manganese oxide energy storage from conversion reactions

Huilin Pan et al.

NATURE ENERGY (2016)

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Article Energy & Fuels

A high-capacity and long-life aqueous rechargeable zinc battery using a metal oxide intercalation cathode

Dipan Kundu et al.

NATURE ENERGY (2016)

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Article Chemistry, Multidisciplinary

Energetic Zinc Ion Chemistry: The Rechargeable Zinc Ion Battery

Chengjun Xu et al.

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION (2012)

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Article Physics, Condensed Matter

CVD Cu2O and CuO Nanosystems Characterized by XPS

Davide Barreca et al.

SURFACE SCIENCE SPECTRA (2007)

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Article Chemistry, Physical

Raman spectra of birnessite manganese dioxides

C Julien et al.

SOLID STATE IONICS (2003)

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Engineering p-Band Center of Oxygen Boosting H+ Intercalation in δ-MnO2 for Aqueous Zinc Ion Batteries

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