New Carbon Materials, Год журнала: 2023, Номер 38(1), С. 1 - 15
Опубликована: Фев. 1, 2023
Язык: Английский
New Carbon Materials, Год журнала: 2023, Номер 38(1), С. 1 - 15
Опубликована: Фев. 1, 2023
Язык: Английский
Chemical Engineering Journal, Год журнала: 2023, Номер 460, С. 141672 - 141672
Опубликована: Фев. 2, 2023
Язык: Английский
Процитировано
47Advanced Functional Materials, Год журнала: 2024, Номер 34(19)
Опубликована: Янв. 15, 2024
Abstract Sodium‐ion batteries (SIBs) represent a viable substitute to lithium‐ion due their affordability and resource abundance. For SIBs, antimony (Sb) shows potential as anode material but is impeded by the high volumetric variations. Here challenges of Sb sodium storage introducing nanostructured Cu substrate for enhanced adhesion morphology optimization addressed, which realized fused deposition modeling (FDM) printing substrate, subsequent high‐temperature sintering, electrodeposition Sb. In deposited on three dimensional (3D) printed performs improved cycling stability compared with that Sb@Cu commercial foil can be attributed nanostructure 3D‐Cu substrate. Such architecture induces generation pine‐leaf‐like clusters promote kinetics, it aids between cluster preventing detachment restructuring robust porous ligament‐channel framework. The evolution, (de)sodiation mechanism, gas evolution are explored ex situ scanning electron microscope, operando X‐ray diffraction, differential electrochemical mass spectrometry separately. developed Sb@3D‐Cu offers flexible pathway constructing 3D‐printed self‐supported electrodes SIBs.
Язык: Английский
Процитировано
24Materials Today Nano, Год журнала: 2022, Номер 18, С. 100216 - 100216
Опубликована: Май 31, 2022
Язык: Английский
Процитировано
68Rare Metals, Год журнала: 2022, Номер 41(8), С. 2844 - 2852
Опубликована: Июнь 23, 2022
Язык: Английский
Процитировано
52Colloids and Surfaces A Physicochemical and Engineering Aspects, Год журнала: 2022, Номер 649, С. 129356 - 129356
Опубликована: Июнь 13, 2022
Язык: Английский
Процитировано
49Chemical Engineering Journal, Год журнала: 2022, Номер 450, С. 137938 - 137938
Опубликована: Июль 6, 2022
Язык: Английский
Процитировано
49Advanced Science, Год журнала: 2023, Номер 10(9)
Опубликована: Янв. 25, 2023
Layered vanadium-based oxides are the promising cathode materials for aqueous zinc-ion batteries (AZIBs). Herein, an in situ electrochemical strategy that can effectively regulate interlayer distance of layered NH4 V4 O10 quantitatively is proposed and a close relationship between optimal performances with space revealed. Specifically, via increasing cutoff voltage from 1.4, 1.6 to 1.8 V, be well-controlled enlarged 10.21, 11.86, 12.08 Å, respectively, much larger than pristine one (9.5 Å). Among them, being charging V (NH4 -C1.6), demonstrates best Zn2+ storage including high capacity 223 mA h g-1 at 10 A long-term stability retention 97.5% over 1000 cycles. Such superior attributed good balance among active redox sites, charge transfer kinetics, crystal structure stability, enabled by careful control space. Moreover, -C1.6 delivers NH4+ whose reaches 296 0.1 lifespan lasts 3000 cycles 5 . This study provides new insights into understand limitation ion media guides exploration high-performance materials.
Язык: Английский
Процитировано
42Energy & environment materials, Год журнала: 2023, Номер 6(4)
Опубликована: Фев. 18, 2023
Carbon nanofiber (CNF) was widely utilized in the field of electrochemical energy storage due to its superiority conductivity and mechanics. However, CNF generally prepared at relatively high temperature. Herein, nitrogen‐doped hard carbon nanofibers (NHCNFs) were by a low‐temperature carbonization treatment assisted with electrospinning technology. Density functional theory analysis elucidates incorporation nitrogen heteroatoms various chemical states into matrix would significantly alter total electronic configurations, leading robust adsorption efficient diffusion Na atoms on electrode interface. The obtained material carbonized 600 °C (NHCNF‐600) presented reversible specific capacity 191.0 mAh g −1 no decay after 200 cycles 1 A . It found that sodium‐intercalated degree had correlation impedance. potential 0.2 V adopted lower constructed sodium‐ion capacitor activated cathode presodiated NHCNF‐600 anode can present an power density 82.1 Wh kg 7.0 kW
Язык: Английский
Процитировано
41Industrial Crops and Products, Год журнала: 2023, Номер 198, С. 116664 - 116664
Опубликована: Апрель 7, 2023
Язык: Английский
Процитировано
38Advanced Energy Materials, Год журнала: 2023, Номер 13(35)
Опубликована: Июль 27, 2023
Abstract The difficulty in matching cathode and anode kinetics due to slow ion transport anodes constrains the development of lithium‐ion capacitors. Heterogeneous structures with built‐in electric field can promote migration improve reaction kinetics. However, valence evolution metal elements heterostructures during charging/discharging processes is often overlooked. Inspired by theoretical calculations, transition selenides (FeSe 2 /CoSe ) low energy barriers ( E b = 0.35 eV) are successfully engineered fabricated. As expected, designed heterostructure material exhibits outstanding rate performance (512 mAh g −1 at 30 A ultra‐high pseudocapacitance contribution (98.02% 1.0 mV s ), exceeding state‐of‐the‐art values for anodes. Impressively, synchrotron X‐ray absorption spectroscopy (SXAS) ex situ XPS find that states Fe Co heterogeneous structure gradually increase as charging discharging proceeds, inducing a continuous climb reversible specific capacity, while further reducing barrier 0.20 eV). This work reveals iron cobalt providing guidance improving revealing capacity rise mechanism other compounds.
Язык: Английский
Процитировано
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