Crystallinity Regulated Functional Separator Based on Bimetallic NixFey Alloy Nanoparticles for Facilitated Redox Kinetics of Lithium–Sulfur Batteries DOI
Qing Liu, Xiaotong Han, Zhiyong Zheng

et al.

Advanced Functional Materials, Journal Year: 2022, Volume and Issue: 32(47)

Published: Sept. 28, 2022

Abstract The practical application of lithium–sulfur batteries (LSBs) is limited by the shuttle effect lithium polysulfides (LiPSs), large volume expansion, and sluggish conversion kinetics sulfur. Herein, crystallinity regulation Ni x Fe y alloy anchored on oxidized carbon nanotube/nitrogen‐doped graphene (Ni @OCNT/NG) for a functional separator into LSBs demonstrated. A low crystalline @OCNT/NG (LC‐Ni modified polypropylene systematically compared with its highly counterpart (HC‐Ni @OCNT/NG), demonstrating superior LiPS absorbability, redox mediating capability facilitated kinetics, uniform flux Li + anode. Furthermore, theoretical calculations confirm that LC‐Ni features high adsorption energies diffusion energy barriers toward LiPSs, as well decreased gap larger electron density near Fermi level. Accordingly, LSB cells separators deliver specific capacity 1379.13 mA h g −1 at 0.1 C decay ratio 0.04%/cycle over 600 cycles 5.0 410 . Even under sulfur loading (5.37 mg cm −2 ) lean electrolyte (E/S = 4.9 µL conditions, @OCNT/NG/PP areal 4.1 mAh 0.2 C.

Language: Английский

Multidiscipline Applications of Triboelectric Nanogenerators for the Intelligent Era of Internet of Things DOI Creative Commons

Xiaole Cao,

Yao Xiong, Jia Sun

et al.

Nano-Micro Letters, Journal Year: 2022, Volume and Issue: 15(1)

Published: Dec. 20, 2022

In the era of 5G and Internet things (IoTs), various human-computer interaction systems based on integration triboelectric nanogenerators (TENGs) IoTs technologies demonstrate feasibility sustainable self-powered functional systems. The rapid development intelligent applications TENGs mainly relies supplying harvested mechanical energy from surroundings implementing active sensing, which have greatly changed way human production daily life. This review introduced TENG in multidiscipline scenarios IoTs, including smart agriculture, industry, city, emergency monitoring, machine learning-assisted artificial intelligence applications. challenges future research directions toward also been proposed. extensive developments will push forward into an autonomy fashion.

Language: Английский

Citations

207
Advances in the Electrocatalytic Hydrogen Evolution Reaction by Metal Nanoclusters‐based Materials DOI

Junyang Ding,

Hui Yang, Shusheng Zhang

et al.

Small, Journal Year: 2022, Volume and Issue: 18(52)

Published: Oct. 26, 2022

Abstract With the development of renewable energy systems, clean hydrogen is burgeoning as an optimal alternative to fossil fuels, in which its application promising retarding global and environmental crisis. The evolution reaction (HER), capable producing high‐purity rapidly electrocatalytic water splitting, has received much attention. Abundant research about HER been done, focusing on advanced electrocatalyst design with high efficiency robust stability. As potential catalysts, metal nanoclusters (MNCs) have studied extensively. They are composed several a hundred atoms, sizes being comparable Fermi wavelength electrons, that is, < 2.0 nm. Different from atoms/nanoparticles, they exhibit unique catalytic properties due their quantum size effect low‐coordination environment. In this review, activity‐enhancing approaches MNCs applied electrocatalysis mainly summarized. Furthermore, recent progress classified different stabilization strategies, freestanding MNCs, organic, carbon supports, introduced. Finally, current challenges deficiencies these for prospected.

Language: Английский

Citations

124
AIB3IIC3IIIQ8VI: A New Family for the Design of Infrared Nonlinear Optical Materials by Coupling Octahedra and Tetrahedra Units DOI

Ling Luo,

Hongshan Wang,

Jianbang Chen

et al.

Journal of the American Chemical Society, Journal Year: 2022, Volume and Issue: 144(48), P. 21916 - 21925

Published: Nov. 18, 2022

Large second-harmonic generation (SHG) response and broad band gap are two important competitive parameters. It is difficult to balance them out in one material. In this work, by coupling alkali earth metal (AEM) octahedra with large highest occupied molecular orbital (HOMO)-lowest unoccupied (LUMO) nonlinear optical (NLO)-active tetrahedra units, nine noncentrosymmetric (NCS) compounds, belonging a new quaternary chalcogenide family AIB3IIC3IIIQ8VI unique windmill-like [Mg3M3IIIQ24] (MIII = Al, Ga; Q S, Se) units constructed alternated [MgQ6] [MIIIQ4] tetrahedra, rationally designed fabricated. The compounds show stable structural framework but adjustable properties. Among them, NaMg3Ga3Se8 shows SHG (∼1 × AgGaS2 (AGS)), wide (in selenide) (2.77 eV), high laser-induced damage threshold (LIDT) (∼2.3 AGS), suitable birefringence (0.079@546 nm). should be potential candidate for infrared (IR) (NLO) materials. results enrich the chemical diversity of chalcogenides open an avenue development IR NLO materials through coupled strategy.

Language: Английский

Citations

94
Active-site and interface engineering of cathode materials for aqueous Zn—gas batteries DOI
Wenxian Liu,

Jinxiu Feng,

Tianran Wei

et al.

Nano Research, Journal Year: 2022, Volume and Issue: 16(2), P. 2325 - 2346

Published: Sept. 27, 2022

Language: Английский

Citations

88
Recent advances in non-noble metal-based bifunctional electrocatalysts for overall seawater splitting DOI Creative Commons
Hao Zhang,

Yang Luo,

Paul K. Chu

et al.

Journal of Alloys and Compounds, Journal Year: 2022, Volume and Issue: 922, P. 166113 - 166113

Published: July 6, 2022

Since seawater is one of the most abundant resources on earth, electrolysis becoming increasingly attractive for clean energy/hydrogen production. Although significant progress has been made recently, it still challenging to obtain bifunctional electrocatalysts with high catalytic activity and durability suitable because scarcity precious metals inadequate state-of-the-art materials overall reaction. The development high-performance crucial commercialization in this review, mechanism challenges are introduced. Optimization strategies different types non-noble-metal-based including structural regulation, interface doping situ assembly, alloying, amorphization summarized elucidate relationship among composition, structure, properties. Finally, challenge prospective future catalysts discussed. This paper aims at providing guidance insights into rational design highly efficient practical splitting.

Language: Английский

Citations

85
Integrated Self‐Powered Sensors Based on 2D Material Devices DOI

Ziwei Huo,

Yichen Wei,

Yifei Wang

et al.

Advanced Functional Materials, Journal Year: 2022, Volume and Issue: 32(41)

Published: Aug. 3, 2022

With the development of Internet Things, there is an increasing need for clean energy and large‐scale sensory systems. Triboelectric/piezoelectric nanogenerators (TENGs/PENGs), have attracted considerable attention as a new type power generation terminal, which can harvest surrounding convert it into electrical energy. To improve output performance (NGs) diversify related applications, 2D materials with high carrier mobility excellent piezoelectric properties be directly used or integrated different types self‐powered sensors. In this review, authors first introduce optoelectronic materials, followed by triboelectric series in TENGs. The categories sensors based on are then summarized according to their structures compositions. We also discuss detail recent applications from five aspects. Finally, challenges outlooks research field featured. Given continuous they considered significant potential biomedicine, environmental detection, human motion monitoring, harvesting, smart wearable devices.

Language: Английский

Citations

81
An overview of heteroatom doped cobalt phosphide for efficient electrochemical water splitting DOI

Qiaowei Wang,

Runze He, Fulin Yang

et al.

Chemical Engineering Journal, Journal Year: 2022, Volume and Issue: 456, P. 141056 - 141056

Published: Dec. 21, 2022

Language: Английский

Citations

78
High Anti‐Jamming Flexible Capacitive Pressure Sensors Based on Core–Shell Structured AgNWs@TiO2 DOI

Renhou Han,

Yue Liu,

Yepei Mo

et al.

Advanced Functional Materials, Journal Year: 2023, Volume and Issue: 33(51)

Published: Aug. 30, 2023

Abstract Flexible capacitive pressure sensors play an important role in electronic skin and human–machine interaction due to their high sensitivity convenient preparation, comparing with those resistive/piezoresistive sensors. However, the complexity of application environment, reported often experience signal instability by electromagnetic interference proximity effects. The great challenge for is maintain wide linear range while reducing interference. This study proposes a anti‐jamming flexible sensor polyvinylidene fluoride (PVDF)@AgNWs@TiO 2 film as dielectric layer. Core–shell structure‐based AgNWs@TiO embedded into PVDF film. introduction core–shell structure not only enhances initial capacitance but also balances constant, loss, breakdown strength validated exhibit signal‐to‐noise ratio variety sources demonstrated intelligent glove sensing system, which provides new idea developing sensor.

Language: Английский

Citations

65
Recent Progress in Metal Phosphorous Chalcogenides: Potential High‐Performance Electrocatalysts DOI
Hao Zhang, Tianran Wei, Yuan Qiu

et al.

Small, Journal Year: 2023, Volume and Issue: 19(16)

Published: Jan. 5, 2023

Abstract Since the discovery of graphene, research on family 2D materials has been a thriving field. Metal phosphorous chalcogenides (MPX 3 ) have attracted renewed attention due to their distinctive physical and chemical properties. The advantages MPX , such as tunable layered structures, unique electronic properties, thermodynamically appropriate band alignments abundant catalytic active sites surface, make material great potential in electrocatalysis. In this review, applications electrocatalysts recent years, including hydrogen evolution reaction, oxygen reduction are summarized. Structural regulation, doping multi‐material composite that often effective practical methods further optimize properties these materials, introduced. Finally, challenges opportunities for electrocatalytic discussed. This report aims advance future efforts develop related

Language: Английский

Citations

63
Hydrogen spillover in MoOxRh hierarchical nanosheets boosts alkaline HER catalytic activity DOI

Shuyuan Pan,

Chen Li, Tiantian Xiong

et al.

Applied Catalysis B Environment and Energy, Journal Year: 2023, Volume and Issue: 341, P. 123275 - 123275

Published: Sept. 7, 2023

Language: Английский

Citations

62