Fuel, Journal Year: 2024, Volume and Issue: 371, P. 132119 - 132119
Published: June 9, 2024
Language: Английский
ACS Nano, Journal Year: 2024, Volume and Issue: 18(15), P. 10341 - 10373
Published: April 4, 2024
Noble-metal nanocrystals have emerged as essential electrode materials for catalytic oxidation of organic small molecule fuels in direct liquid fuel cells (DLFCs). However, large-scale commercialization DLFCs, adopting cost-effective techniques and optimizing their structures using advanced matrices are crucial. Notably, noble metal-decorated porous carbon nanoarchitectures exhibit exceptional electrocatalytic performances owing to three-dimensional cross-linked networks, large accessible surface areas, homogeneous dispersion (of metals), reliable structural stability, outstanding electrical conductivity. Consequently, they can be utilized develop next-generation anode catalysts DLFCs. Considering the recent expeditious advancements this field, comprehensive review provides an overview current progress nanoarchitectures. This paper meticulously outlines associated synthetic strategies, precise microstructure regulation techniques, application electrooxidation molecules. Furthermore, highlights research challenges future opportunities prospective offering valuable insights both researchers industry experts.
Language: Английский
Citations
56
Journal of Energy Chemistry, Journal Year: 2024, Volume and Issue: 93, P. 419 - 428
Published: March 5, 2024
Language: Английский
Citations
40
Journal of Power Sources, Journal Year: 2024, Volume and Issue: 603, P. 234438 - 234438
Published: March 30, 2024
Language: Английский
Citations
37
Carbon, Journal Year: 2024, Volume and Issue: 226, P. 119171 - 119171
Published: April 22, 2024
Language: Английский
Citations
22
Advanced Sustainable Systems, Journal Year: 2025, Volume and Issue: unknown
Published: Jan. 5, 2025
Abstract Designing electrocatalysts with the selective C─C bond breaking in ethanol electro‐oxidation is of interest as an efficient strategy to accelerate large‐scale applications direct fuel cells (DEFCs).Pt nanoparticles (NPs) are herein on N‐doped 2D Ti 3 C 2 T x MXene via two‐step synthesis steps including NH ‐assisted hydrothermal and NaBH 4 ethylene glycol reduction routes. With breaking, as‐obtained 16 wt.% Pt/N‐Ti catalyst exhibits 435.35 mA mg Pt −1 mass activity 0.83 cm −2 specific activity, being 1.26‐ 1.77‐fold increase compared those commercially available 20 Pt/C (346.21 0.47 ). This originates from advantages unique structures strong interplay between NPs nitrogen‐doped . Also, shows superior CO‐poisoning resistance long‐term stability for acidic reaction (EOR). work demonstrates potential heteroatom‐doped MXenes 1 pathway selectivity catalytic performance Pt‐based DEFCs.
Language: Английский
Citations
7
Small Structures, Journal Year: 2023, Volume and Issue: 5(1)
Published: Sept. 26, 2023
Electrochemical water splitting is long regarded as a green and feasible pathway to realize the scalable hydrogen production, while overall evolution reaction (HER) efficiency largely dependent on electrocatalytic ability of cathode catalysts. Herein, in situ growth hydrazone‐linked covalent organic framework (COF‐42) nanocrystals with unique nanoflower‐shaped morphology 2D ultrathin Ti 3 C 2 T x MXene nanosheets (COF/Ti ) achieved through convenient robust stereoassembly strategy. Strikingly, marriage COF‐42 not only offers multiscale porous channels for fast transportation electrolyte electrons, but also enables full exposure activation numerous catalytically active centers. As consequence, optimized COF/Ti nanoarchitecture displays exceptional HER properties terms very low onset potential 19 mV, small Tafel slope 50 mV dec −1 well reliable long‐term durability, which are comparable those commercial Pt/C catalyst. Density functional theory calculations further disclose that rational combination provides more diversified positions appropriate Δ G H values, thus leading boosted generation rate.
Language: Английский
Citations
38
Materials Today Energy, Journal Year: 2024, Volume and Issue: 40, P. 101495 - 101495
Published: Jan. 10, 2024
Language: Английский
Citations
14
Small, Journal Year: 2024, Volume and Issue: 20(32)
Published: April 21, 2024
Abstract The utilization of solar‐thermal energy and universal cold has led to many innovative designs that achieve effective temperature regulation in different application scenarios. Numerous studies on passive solar heating radiation cooling often operate independently (or actively control the conversion) lack a cohesive framework for deep connections. This work provides concise overview recent breakthroughs by employing mechanism material model. Furthermore, dynamic Janus‐like behavior serves as novel nexus elucidate relationship between cooling, allowing analysis conversion strategies across various applications. Additionally, special discussions are provided address specific requirements diverse applications, such optimizing light transmission clothing or window glass. Finally, challenges opportunities associated with development applications underscored, which hold immense potential substantial carbon emission reduction environmental preservation. aims ignite interest lay solid foundation researchers conduct in‐depth self‐adaptive heating.
Language: Английский
Citations
14
Carbon Energy, Journal Year: 2024, Volume and Issue: 6(8)
Published: Feb. 27, 2024
Abstract Nanofluidic channels inspired by electric eels open a new era of efficient harvesting clean blue osmotic energy from salinity gradients. Limited less charge and weak ion selectivity the raw material itself, conversion through nanofluidic is still facing considerable challenges. Here, facile strategy to enhance based on drastically increasing surface density MXenes subnanochannels via oxygen plasma proposed. This could break Ti–C bonds in effectively facilitate formation more Ti–O, C═O, O–OH, rutile with stronger negative work function, which leads potential membrane increase 205 430 mV. significant rise endows high cation selectivity, make output power 248.2%, reaching value 5.92 W m −2 artificial sea‐river water system. Furthermore, assistance low‐quality heat at 50°C, enhanced an ultrahigh 9.68 , outperforms those state‐of‐the‐art two‐dimensional (2D) nanochannel membranes. exciting breakthrough demonstrates enormous plasma‐treated 2D membranes for harvesting.
Language: Английский
Citations
12
ChemSusChem, Journal Year: 2024, Volume and Issue: unknown
Published: Oct. 8, 2024
Among renewable energy technologies, particular attention is paid to electrochemically transforming methanol into valuable formate and storing supercapacitors. In this study, we detailed a simple colloidal-based protocol for synthesizing series of alloy nanoparticles with tuned Ni/Co atomic ratios, thereby optimizing their electrochemical performance. With the addition 1 M in KOH, optimized composition was able produce at 0.149 mmol cm
Language: Английский
Citations
10