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Due to their high-energy density and excellent chemical stabilities, metal-ion batteries (e.g., lithium-ion batteries (LIBs)) are expected to be energy storage units for …
Due to their high-energy density and excellent chemical stabilities, metal-ion batteries (e.g., lithium-ion batteries (LIBs)) are expected to be energy storage units for …
Here, an aqueous densified electrolyte, namely, a conventional aqueous electrolyte with addition of perovskite SrTiO3 powder, is developed to achieve high-performance aqueous zinc-ion batteries.
Robust and durable Li-ion batteries fabricated using lead-free crystalline M 2 NiMnO 6 ... Therefore, in this work, we fabricated M 2 NiMnO 6 (where M = Eu, Gd, and Tb)-based perovskite electrode materials using a simple solid-state reaction method, and they were utilized as anode electrodes in LIBs. The structural, morphological and surface ...
Highly active and durable bifunctional oxygen electrocatalysts have been of pivotal importance for renewable energy conversion and storage devices, such as unitized regenerative fuel cells and metal-air batteries. Perovskite-based oxygen electrocatalysts have emerged as promising nonprecious metal bifunctional electrocatalysts, yet their ...
Here, profiting from the intrinsic halide exchange in perovskite lattices, we proposed a novel low-dimensional halide hybrid perovskite cathode, TmdpPb 2 [IBr] 6, which served not only as a halogen reservoir for reversible three-electron conversions but also as an effective halogen absorbent by surface Pb dangling bonds, C-H…Br hydrogen …
For the development of a rechargeable metal-air battery, which is expected to become one of the most widely used batteries in the future, slow kinetics of discharging and charging reactions at the air electrode, i.e., oxygen reduction reaction (ORR) and oxygen evolution reaction (OER), respectively, are the most critical problems. …
Efficient and durable bifunctional oxygen electrocatalysts are critical for advanced rechargeable zinc-air (Zn-air) batteries. However, the obstacle to the development of bifunctional ...
Porous Perovskite La 0.6 Sr 0.4 Co 0.8 Mn 0.2 O 3 Nanofibers Loaded with RuO 2 Nanosheets as an Efficient and Durable Bifunctional Catalyst for Rechargeable Li–O 2 Batteries. Cite. Citation; ... Stepping Up the Kinetics of Li–O2 Batteries by Shrinking Down the Li2O2 Granules through Concertedly Enhanced Catalytic Activity and …
Porous perovskite oxides applied in the air electrode of Li–air batteries have been extensively studied in recent years. 63, 64, 68, 127, 141, 150, 152, 195-203 For instance, in 2014, Zhang et al. synthesized the porous perovskite LaNiO 3 nanocubes as cathode catalysts for Li–air batteries, where the modified hydrothermal process was used ...
Ionic liquids (ILs) have found widespread use in controlling the crystallization process of perovskites, optimizing the morphology and enhancing the device performance, especially in the one-step method. However, research regarding the effects of ionic liquids on perovskite devices prepared using the two-step method remains …
Several companies and academic research groups around the world have multi-month field tests under way to assess photovoltaic …
Here we demonstrate the use of perovskite solar cell packs with four single CH3NH3PbI3 based solar cells connected in series for directly photo-charging lithium-ion batteries assembled with a ...
Request PDF | Porous Perovskite La0.6Sr0.4Co0.8Mn0.2O3 Nanofibers Loaded with RuO2 Nanosheets as an Efficient and Durable Bifunctional Catalyst for Rechargeable Li-O2 Batteries | The design and ...
Teng, C. et al. Structural and defect engineering of cobaltosic oxide nanoarchitectures as an ultrahigh energy density and super durable cathode for Zn-based batteries. Chem. Sci. 10, 7600–7609 ...
Reasonable design of perovskite oxides with outstanding and durable oxygen reduction reaction (ORR) and oxygen evolution reaction (OER) performance is of vital importance to enhancing the ...
This study demonstrates the promising potential of perovskite materials for high-performance metal-iodine batteries. Their reactions based on the two-electron transfer mechanism shed light on similar battery systems aiming for decent operational stability and high energy density.
All-solid-state batteries (ASSBs), fabricated with solid-state electrolytes (SSEs), are regarded as a revolutionary technology due to their unrivaled safety, superior energy density, and long-term lifespan compared with current large-scaled commercial liquid organic batteries, which utilize flammable, toxic, and leak-prone electrolytes. 1-8 In ...
This study demonstrates the promising potential of perovskite materials for high-performance metal-iodine batteries. Their reactions based on the two-electron transfer mechanism shed light on …
Halide Exchange in Perovskites Enables Bromine/Iodine Hybrid Cathodes for Highly Durable Zinc Ion Batteries. April 2024; Advanced Materials ... profiting from the intrinsic halide exchange in ...
Here, profiting from the intrinsic halide exchange in perovskite lattices, a novel low-dimensional halide hybrid perovskite cathode, TmdpPb 2 [IBr] 6, which serves not only as a halogen reservoir for reversible three-electron conversions but also as an effective halogen absorbent by surface Pb dangling bonds, C─H…Br hydrogen bonds, and Pb ...
Scientists at Germany''s Karlsruher Institute of Technology are leading an investigation into a new lithium-ion battery anode. The innovation has a perovskite crystalline structure and, according ...
Highly active and durable bifunctional oxygen electrocatalysts have been of pivotal importance for renewable energy conversion and storage devices, such as unitized regenerative fuel cells …
A novel A/B-sites co-substitution strategy was introduced to enhance the performance and durability of Ruddlesden–Popper perovskite Sr 3 Fe 2 O 7−δ (SF)-based air electrodes for reversible protonic ceramic cells (RePCCs).. Simultaneous Sr-deficiency and Nb-substitution in SF result in Sr 2.8 Fe 1.8 Nb 0.2 O 7−δ (D-SFN), offering …
Porous perovskite oxides applied in the air electrode of Li–air batteries have been extensively studied in recent years. 63, 64, 68, 127, 141, 150, 152, 195-203 For instance, in 2014, Zhang et al. synthesized the porous …
Porous Perovskite La 0.6 Sr 0.4 Co 0.8 Mn 0.2 O 3 Nanofibers Loaded with RuO 2 Nanosheets as an Efficient and Durable Bifunctional Catalyst for Rechargeable Li–O 2 Batteries. Cite. Citation; …
The utilization of manganese-based perovskite in rechargeable Zn-air batteries encounters challenges related to low catalytic activity and inadequate stability. ... (1500 cycles). The research has opened up a new way for developing efficient and durable perovskite-based bifunctional catalysts to replace precious metals in Zn-air batteries or ...
Recently, Lee et al. developed a high-performance and durable Pd-doped LSCF (LSCFP) fuel electrode material by introducing 5 mol% Pd doping into the B-site of the LSCF perovskite, which concurrently promoted phase transition to the RP phase under the reducing condition at lower temperature and facilitated the in situ exsolution of …
Semantic Scholar extracted view of "Durable bifunctional electrocatalyst for cathode of zinc-air battery: surface pre-reconstruction of La0.7Sr0.3MnO3 perovskite by iron ions" by X.X. Li et al.
A general strategy to circumvent the reconstructions of perovskite oxide surface under oxidative potentials is presented, by creating highly active, stable and inexpensive bifunctional composite electrocatalysts for future electrochemical energy storage and conversion devices. Perovskite oxides have emerged as promising oxygen …
In recent years, the perovskite solar cells have gained much attention because of their ever-increasing power conversion efficiency (PCE), simple solution …
Conversion-Type Organic-Inorganic Tin-Based Perovskite Cathodes for Durable Aqueous Zinc-Iodine Batteries. / Wang, Shixun; Huang, Zhaodong; Tang, Bing et al. In: Advanced Energy Materials, Vol. 13, No. 24, 2300922, 23.06.2023. Research output: Journal Publications and Reviews › RGC 21 - Publication in refereed journal › peer-review
Efficient and robust n-i-p perovskite solar cells necessitate superior organic hole-transport materials with both mechanical and electronic prowess. Deciphering the structure–property relationship of these materials is …
Halide perovskites, both lead and lead-free, are vital host materials for batteries and supercapacitors. The ion-diffusion of halide perovskites make them an …
perovskite before and after halide exchange. The "WN" in f denotes the abbreviation of "wavenumber". We proposed a TmdpPb 2 I 6 perovskite as the parent material to examine the halide exchange and the corresponding confinement effect for an adequate iodide/bromine hybrid perovskite cathode. As
In this paper, a novel perovskite/dual-doped graphene hybrid material (LSFMO@NS-RGO) is fabricated by exploiting the synergic covalent coupling effect …
Perovskite oxides based on the alkaline earth metal lanthanum for oxygen reduction reaction (ORR) and oxygen evolution reaction (OER) in alkaline electrolytes are promising catalysts, but their catalytic activity and stability remain unsatisfactory. Here, we synthesized a series of LaFe1−xMnxO3 (x = 0, 0.1, 0.3, 0.5, 0.7, 0.9 and 1) perovskite …
Perovskite, widely used in solar cells, has also been proven to be potential candidate for effective energy storage material. Recent progress indicates the promise of perovskite for battery applications, however, the specific capacity of the resulting lithium-ion batteries must be further increased. Here, by adjusting the dimensionality of …
Herein, organic–inorganic MXDA 2 SnI 6 (MXDA 2+ denotes protonated m-xylylenediamine cation) perovskite microcrystals with a zero-dimensional arrangement of octahedral perovskite units offering high content of …
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