Hydrated Bi‐Ti‐Bimetal Ethylene Glycol: A New High‐Capacity and Stable Anode Material for Potassium‐Ion Batteries
Sign Up to like & getrecommendations! Published in 2023 at "Advanced Functional Materials"
DOI: 10.1002/adfm.202300582
Abstract: Potassium‐ion batteries have emerged not only as low‐cost alternatives to lithium‐ion batteries, but also as high‐voltage energy storage systems. However, their development is still encumbered by the scarcity of high‐performance electrode materials that can endure… read more here.
Keywords: potassium; ion batteries; potassium ion; high capacity ... See more keywords
High-Capacity Aqueous Potassium-Ion Batteries for Large-Scale Energy Storage.
Sign Up to like & getrecommendations! Published in 2017 at "Advanced materials"
DOI: 10.1002/adma.201604007
Abstract: A potassium iron (II) hexacyanoferrate nanocube cathode material is reported, which operates with an aqueous electrolyte to deliver exceptionally high capacities (up to 120 mA h g-1 ). The cathode material exhibits excellent structural integrity,… read more here.
Keywords: capacity aqueous; potassium; high capacity; potassium ion ... See more keywords
MXene-Derived Ferroelectric Crystals.
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DOI: 10.1002/adma.201806860
Abstract: This study demonstrates the first synthesis of MXene-derived ferroelectric crystals. Specifically, high-aspect-ratio potassium niobate (KNbO3 ) ferroelectric crystals is successfully synthesized using 2D Nb2 C, MXene, and potassium hydroxide (KOH) as the niobium and potassium… read more here.
Keywords: potassium; derived ferroelectric; microscopy; ferroelectric crystals ... See more keywords
Heterostructures of 2D Molybdenum Dichalcogenide on 2D Nitrogen-Doped Carbon: Superior Potassium-Ion Storage and Insight into Potassium Storage Mechanism.
Sign Up to like & getrecommendations! Published in 2020 at "Advanced materials"
DOI: 10.1002/adma.202000958
Abstract: Constructing 2D heterostructure materials by stacking different 2D materials can combine the merits of the individual building blocks while eliminating their shortcomings. Dichalcogenides are attractive anodes for potassium-ion batteries (KIBs) due to their high theoretical… read more here.
Keywords: storage; potassium; doped carbon; heterostructures molybdenum ... See more keywords
Enabling Atomic-Scale Imaging of Sensitive Potassium Metal and Related Solid Electrolyte Interphases Using Ultralow-Dose Cryo-TEM.
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DOI: 10.1002/adma.202102666
Abstract: Potassium-based solid electrolyte interphases (SEIs) have a much smaller damage threshold than their lithium counterpart; thus, they are significantly more beam sensitive. Here, an ultralow-dose cryogenic transmission electron microscopy (cryo-TEM) technique (≈8 e Å-2 s-1… read more here.
Keywords: potassium; solid electrolyte; electrolyte interphases; cryo tem ... See more keywords
Highly Potassiophilic Graphdiyne Skeletons Decorated with Cu Quantum Dots Enable Dendrite‐Free Potassium‐Metal Anodes
Sign Up to like & getrecommendations! Published in 2022 at "Advanced Materials"
DOI: 10.1002/adma.202202685
Abstract: Employing an Al foil current collector at the potassium anode side is an ideal choice to entail low‐cost and high‐energy potassium‐metal batteries (PMBs). Nevertheless, the poor affinity between the potassium and the planar Al can… read more here.
Keywords: potassium metal; quantum dots; highly potassiophilic; potassium ... See more keywords
Construction of Ultra-Stable Ultrathin Black Phosphorus Nanodisks Hybridized with Fe3 O4 Nanoclusters and Iron (V)-Oxo Complex for Efficient Potassium Storage.
Sign Up to like & getrecommendations! Published in 2023 at "Advanced materials"
DOI: 10.1002/adma.202301772
Abstract: The practical application of metalloid black phosphorus (BP) based anodes for potassium ion batteries (PIBs) is mainly impeded by its instability in air and irreversible/sluggish potassium -storage behaviors. Herein, w e purposefully conceptualize a two-dimensional… read more here.
Keywords: potassium; iron oxo; fe3 nanoclusters; potassium storage ... See more keywords
Regulating the Solvation Structure of Electrolyte via Dual–Salt Combination for Stable Potassium Metal Batteries
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DOI: 10.1002/advs.202301201
Abstract: Batteries using potassium metal (K‐metal) anode are considered a new type of low‐cost and high‐energy storage device. However, the thermodynamic instability of the K‐metal anode in organic electrolyte solutions causes uncontrolled dendritic growth and parasitic… read more here.
Keywords: metal anode; potassium; solvation; metal ... See more keywords
Capillary Encapsulation of Metallic Potassium in Aligned Carbon Nanotubes for Use as Stable Potassium Metal Anodes
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DOI: 10.1002/aenm.201901427
Abstract: Metallic potassium (K) is a desirable anode for potassium secondary batteries due to its low electrode potential in nonaqueous electrolytes and high theoretical capacity. Nevertheless, instability caused by dendritic growth, large volume changes, and parasitic… read more here.
Keywords: encapsulation metallic; metallic potassium; capillary encapsulation; aligned carbon ... See more keywords
Magnetic Field Assisted Construction of Hollow Red P Nanospheres Confined in Hierarchical N‐Doped Carbon Nanosheets/Nanotubes 3D Framework for Efficient Potassium Storage
Sign Up to like & getrecommendations! Published in 2020 at "Advanced Energy Materials"
DOI: 10.1002/aenm.202003429
Abstract: Red P has drawn extensive attention as a promising low‐cost anode for potassium‐ion batteries (PIBs) thanks to its large theoretical capacity and natural abundance. However, serious pulverization/aggregation issues during consecutive cycles and sluggish kinetics limit… read more here.
Keywords: magnetic field; potassium; red nanospheres; hollow red ... See more keywords
From 0D to 3D: Dimensional Control of Bismuth for Potassium Storage with Superb Kinetics and Cycling Stability
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DOI: 10.1002/aenm.202102263
Abstract: Bismuth‐based anode for potassium ion batteries (KIBs) has gained great attention due to its high volumetric specific capacity (3800 mA h mL−1). However, the Bi‐based materials face a huge volumetric change upon the cycling process.… read more here.
Keywords: dimensional control; cycling stability; control bismuth; bismuth ... See more keywords