The development of high-performance Li-S batteries is impeded by polysulfide (LiPS) shuttling effect and slow conversion kinetics. Building durable catalyst systems with rational adsorption-catalysis-conduction configurations to alleviate these problems still remains a challenge. Herein, a novel heterojunction interlocked catalysis-conduction ...
In recent years, metal compound-based heterojunctions have received increasing attention from researchers as a candidate anode for lithium/sodium-ion batteries, because heterojunction anodes possess unique interfaces, robust architectures, and synergistic effects, thus promoting Li/Na ions storage and accelerating ions/electrons transport.
The defective TiO 2 @Co@NC heterojunction anode using self-assembled nanotubes as a scaffold exhibits enhanced lithium-ion storage performances. Besides, Ni et al. 15a prepared ordered S−Fe 2 O 3 nanotubes by combining electrochemical anodization of Fe foil and subsequent sulfurization process.
In recent years, heterojunctions have received increasing attention from researchers as an emerging material, because the constructed heterostructures can significantly improve the rate capability and cycling stability of the materials.
The cathode for LIBs has been made tremendous progress and has shown excellent performance in commercial markets. 2a, 5 On the contrary, the unsatisfactory performance of anode materials severely limits the high performance of Li + /Na + batteries in practical applications.
Meanwhile, synthesis routes, characterization and calculation methods, as well as electrochemical performances of heterostructures are roundly reviewed. Furthermore, prospects and potential directions of heterojunctions are proposed, aiming to guide the future energy storage.
Solid-state batteries will be in the research focus for a long time in the future. For all-solid-state Li−S batteries, the use of solid-state electrolytes greatly inhibits the polysulfides shuttle effect and physically suppresses the growth of lithium dendrites, but its study is still in the early stage.
The development of high-performance Li-S batteries is impeded by polysulfide (LiPS) shuttling effect and slow conversion kinetics. Building durable catalyst systems with rational adsorption-catalysis-conduction configurations to alleviate these problems still remains a challenge. Herein, a novel heterojunction interlocked catalysis-conduction ...
Herein, this review presents the recent research progress of heterojunction-type anode materials, focusing on the application of various types of heterojunctions in lithium/sodium-ion batteries. Finally, the heterojunctions …
Photo-assisted Li–O 2 batteries present a promising avenue for reducing overpotential and enhancing the capacity of next-generation energy storage devices. In this study, we introduce a novel photo-assisted Li–O 2 system featuring a Z-scheme In 2 S 3 /MnO 2 /BiOCl heterojunction as a photocathode.
This concept is exemplified through the construction of lithiophilic Cu 1.8 Se/CuO heterojunction needle array on the Cu foil, ultimately achieving dendrite-free lithium deposition. Based on the simulation in COMSOL multiphysics and experimental research, this design is demonstrated to enrich Li + on the current collector surface ...
Defective oxygen can replace lattice oxygen to adsorb LPS, ensuring the stability of heterojunction. • Catalytic CoNi alloys and N-doped C layer can accelerate adsorption and conversion of LPS. • Long-term cycle and high-rate performance of Li-S batteries at 1C, and 3C can be obtained (≥1000 cycles). Abstract. Lithium‑sulfur (Li-S) batteries have been …
To overcome the issue of inferior cycling stability and rate capacity for SnO 2 anode materials in lithium-ion batteries, an effective strategy is explored to prepare a hybrid material consisting of rutile SnO 2 nanoparticles …
The development of high-performance Li-S batteries is impeded by polysulfide (LiPS) shuttling effect and slow conversion kinetics. Building durable catalyst systems with …
Photo-assisted Li–O 2 batteries present a promising avenue for reducing overpotential and enhancing the capacity of next-generation energy storage devices. In this study, we introduce a novel photo-assisted Li–O 2 system featuring a Z-scheme In 2 S 3 /MnO 2 /BiOCl heterojunction as a photocathode. This innovative design significantly boosts visible light absorption and …
The Li-S battery with this multifunctional 0D–2D heterojunction structure catalyst has outstanding high rate capacity ... The anode surface of lithium-sulfur batteries without FCMMX-modified separators was black without metallic luster, indicating that a large number of polysulfides shuttled to the anode side, causing severe corrosion and ruggedness on the surface of lithium wafers …
Achieving Dendrite-Free Lithium Metal Batteries by Constructing a Dense Lithiophilic Cu 1.8 Se/CuO Heterojunction Tip. Yunfei Yang, Yunfei Yang. Key Laboratory of the Ministry of Education for Advanced Catalysis Material, College of Chemistry and Materials Science, Zhejiang Normal University, Jinhua, 321004 P. R. China . Search for more papers by …
SnO 2 @TiO 2 Heterojunction Nanostructures for Lithium-Ion Batteries and Self-Powered UV Photodetectors with Improved Performances. Xiaojuan Hou, Xiaojuan Hou. Wuhan National Laboratory for Optoelectronics and School of Optical and Electronic Information, Huazhong University of Science and Technology, Wuhan 430074 (China) Search for more …
Photo-assisted Li–O 2 batteries present a promising avenue for reducing overpotential and enhancing the capacity of next-generation energy storage devices. In this study, we introduce …
To overcome the issue of inferior cycling stability and rate capacity for SnO 2 anode materials in lithium-ion batteries, an effective strategy is explored to prepare a hybrid material consisting of rutile SnO 2 nanoparticles and rutile TiO 2 nanorods, considering not only the small lattice mismatch to achieve a better composited lattice ...
The results showed that the lithium-sulfur battery using 3DOP Mo 3 P/Mo as the diaphragm could provide a high reversible capacity of up to 469.6 mAh g −1 after 500 cycles …
In this paper, a new two-dimensional heterostructure material (B@Si) consisting of boronene and silicene is designed and used as an anode material for lithium-ion batteries in …
The results showed that the lithium-sulfur battery using 3DOP Mo 3 P/Mo as the diaphragm could provide a high reversible capacity of up to 469.6 mAh g −1 after 500 cycles at 1°C. This work presents a new idea for the design of multifunctional electrocatalysts with molybdenum-based heterostructures for lithium-sulfur battery.
Transition metal sulfides (TMSs) have a high adsorption capacity for polysulfides and have been shown to have a strong catalytic effect on polysulfide conversion reactions. This paper reviews the research on the application of Unary TMSs, heterostructures, etc. in Li−S batteries, and gives some research methods for TMD catalysts in Li−S batteries.
In addition, the manufacturing process of HIT batteries is also relatively simple, the thin films in the battery structure mentioned above are formed by deposition, and finally the metal electrodes are prepared on both …
In this paper, a new two-dimensional heterostructure material (B@Si) consisting of boronene and silicene is designed and used as an anode material for lithium-ion batteries in order to improve the performance of lithium-ion batteries, and the structural properties, stability, electronic properties, and performance as an anode ...
In recent years, metal compound-based heterojunctions have received increasing attention from researchers as a candidate anode for lithium/sodium-ion batteries, because heterojunction anodes possess unique interfaces, robust architectures, and synergistic effects, thus promoting Li/Na ions storage and accelerating ions/electrons transport ...
In recent years, metal compound-based heterojunctions have received increasing attention from researchers as a candidate anode for lithium/sodium-ion batteries, because heterojunction anodes possess unique …
Furthermore, the abundant N element of g-C 3 N 4 allows physical confinement and chemical interactions with lithium polysulfides (LiPSs). As a result, a Li–S cell with a g-C 3 N 4 /g-C 3 N 4 heterojunction as the sulfur host provides an initial discharge capacity of 1200 mAh/g at 0.1 C and retains 464 mAh/g after 150 cycles at 1 C.
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