Routes to high-performance layered oxide cathodes for sodium-ion batteries

Chemical Society Reviews, Год журнала: 2024, Номер 53(8), С. 4230 - 4301

Опубликована: Янв. 1, 2024

Various optimization strategies are reviewed and summarized to formulate design principles for layered oxide cathodes sodium-ion batteries.

Язык: Английский

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Tailoring d-band center by coupling nickel with molybdenum carbide for superior catalysis toward electrochemical oxygen evolution

International Journal of Hydrogen Energy, Год журнала: 2025, Номер 105, С. 1400 - 1407

Опубликована: Фев. 1, 2025

Язык: Английский

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Constructing Chainmail-Structured CoP/C Nanospheres as Highly Active Anodic Electrocatalysts for Oxygen Evolution Reaction

ACS Applied Materials & Interfaces, Год журнала: 2024, Номер 16(13), С. 16309 - 16316

Опубликована: Март 20, 2024

Constructing highly active and noble metal-free electrocatalysts is significant for the anodic oxygen evolution reaction (OER). Herein, uniform carbon-coated CoP nanospheres (CoP/C) are developed by a direct impregnation coupling phosphorization approach. Importantly, CoP/C only takes small overpotential of 230 mV at current density 10 mA cm–2 displays Tafel slope 56.87 dec–1. Furthermore, intrinsic activity 21.44 times better than that commercial RuO2 under an 260 mV. In situ Raman spectroscopy studies revealed large number generated Co–O Co–OH species could facilitate *OH adsorption, effectively accelerating kinetics. Meanwhile, carbon shell with mesoporous pores acts as chainmail CoP, which improve surface area catalyst prevent Co sites from oxidative dissolution. This work provides facile effective reference development stable OER catalysts.

Язык: Английский

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Promoting Layered Oxide Cathodes Based on Structural Reconstruction for Sodium‐Ion Batteries: Reversible Phase Transition, Stable Interface Regulation, and Multifunctional Intergrowth Structure

Advanced Functional Materials, Год журнала: 2024, Номер unknown

Опубликована: Окт. 21, 2024

Abstract Layered transition‐metal oxides (Na x TMO 2 ) are one of the most promising cathode materials for sodium‐ion batteries due to their high theoretical specific capacities, good conductivity, and environmental friendliness. However, several key scientific issues Na still persist in practical applications: i) complex phase transitions during charge/discharge process owing slip layer; ii) tendency interface react with electrolyte, resulting structure degradation, iii) reactions between active H O as well CO on exposure air environment form alkaline substances surface. To understand electrochemical storage mechanisms solve these problems, modification strategies have been reported recently, including bulk doping, concentration gradient design, regulation, intergrowth construction. This review focuses reversible transitions, stable multifunctional material from inside outside. The future research directions also analyzed, providing guidance development commercial layered next‐generation energy systems.

Язык: Английский

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Engineering a Ce Promoter into a Three-Dimensional Porous Mo₂C@NC Heterostructure for Hydrogen Evolution Electrocatalysis via Weakening the Mo–H Bond Strength

Inorganic Chemistry, Год журнала: 2024, Номер 63(36), С. 16824 - 16833

Опубликована: Авг. 27, 2024

The pursuit of highly efficient electrocatalysts for the alkaline hydrogen evolution reaction (HER) is paramount importance water splitting. However, it still a formidable task in Mo

Язык: Английский

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Ni–O–C/LNSP Core–Shell Heterostructure Mimicking Noble Metal-like Activity and Nonenzymatic Electrochemical Lactate Regulation in Human Sweat

Langmuir, Год журнала: 2025, Номер unknown

Опубликована: Март 5, 2025

Herein, a core/shell LNSP (lamellar nanosheet–nanoplate) of nickel oxy carbide (Ni–O–C/LNSP) has been synthesized by solvent-devoid combustion process, which exhibits exceptional oxygen evolution efficiency (OER) performance with an overpotential 311 mV, Tafel slope 116 mV dec–1, and stability over 8 h 2.8% potential loss owing to more exposed active sites high conductivity the interface effect. The activation energy 28 kJ/mol was calculated for electrolysis using Ni–O–C/LNSP. integrated area 3.70 × 10–5 AV established MOOH* formation 4.619 10–16. ultrastability Ni–O–C/LNSP commercial application shown durability at 10/100 mA cm–2 OER (GC─8 h, 2.8%; NF─100 3.4/4.9%), UOR (60 3.4%), SWO 4.1%), MSWO 5.6%), overall water splitting (100 3.9%). effect pH addition tetramethylammonium cations (TMA+) reveals follows lattice mechanism. solar-driven 1.58 V shows effectiveness STH conversion. multiple applications projected as auspicious catalyst applications. Using Ni–O–C/LNSP, we have generated H2 effectively lower power consumption 771.08 LH2 kW h–1 than bare NiO (801 h–1). as-prepared used nonenzymatic lactate detection showed sensitivity 71.05 μA mM–1 1.54 [lactate] difference in human sweat corroborated under both anaerobic aerobic exercise conditions

Язык: Английский

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VS2-Incorporated NiS/NiS2/Zn-Doped NiMoO4 Nanosheet Arrays on Nickel Foam with Multiphase Interface as Highly Efficient Alkaline Electrocatalysts for Overall Water Splitting

Journal of Alloys and Compounds, Год журнала: 2025, Номер unknown, С. 180101 - 180101

Опубликована: Март 1, 2025

Язык: Английский

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NiSe synergistically enhancing FeNi bimetallic site catalysts for efficient bifunctional water electrolysis catalysts and mechanistic insights

Molecular Catalysis, Год журнала: 2025, Номер 580, С. 115108 - 115108

Опубликована: Апрель 10, 2025

Язык: Английский

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Cation migration of layered oxide cathodes for sodium-ion batteries: fundamental failure mechanisms and practical modulation strategies

Chemical Science, Год журнала: 2024, Номер unknown

Опубликована: Янв. 1, 2024

We comprehensively review the research advances in cation migration of sodium layered oxides, systematically revealing fundamental mechanisms and practical modulation strategies for irreversible leading to battery failure.

Язык: Английский

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Novel MOF-derived hexagonal starfish-shaped hollow prismatic cone-loaded metal complexes for electrocatalytic water decomposition study

Journal of environmental chemical engineering, Год журнала: 2024, Номер 13(1), С. 115007 - 115007

Опубликована: Дек. 2, 2024

Язык: Английский

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