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Porous carbon nanofibers as anode for high-performance potassium-ion ...
1. Introduction. Lithium batteries have been successfully applied to portable electronic products and electric vehicles due to their high energy density and long cycle life [1, 2].However, the scarcity of lithium resources would not meet the increasing demand for energy storage [3].Potassium ion batteries (KIBs) have received increasing …
Nanopore design of sulfur doped hollow carbon nanospheres for …
Therefore, this study developed a controlled nanopore and sulfur doped carbon sphere structure (S-NPHCSs). In potassium-ion batteries, S-NPHCSs anode demonstrated exceptional performance with a high reversible capacity of 247 mAh·g–1 after 50 cycles at 0.2 A·g–1 and delivered a long cycle stability of 600 cycles at a high current …
2023 roadmap for potassium-ion batteries
Potassium-ion batteries (PIBs) have captured rapidly growing attention due to chemical and economic benefits. Chemically, the potential of K + /K was proven to be low (−2.88 V vs. standard hydrogen electrode) in carbonate ester electrolytes [], which implies a high energy density using K-ion as the charge carrier and a low risk of K …
Carbon‐based anode materials for potassium‐ion …
Potassium-ion batteries (PIBs) show great potential in the application of large-scale energy storage devices due to the comparable …
Constructing high-rate and long-life phosphorus/carbon anodes …
Pitch‐derived soft carbon as stable anode material for potassium ion batteries. Adv ... Multicore–shell Bi@N‐doped carbon nanospheres for high power density and long cycle life sodium‐ and potassium‐ion anodes. Adv. Funct. ... High-rate and ultralong cycle-life potassium ion batteries enabled by in situ engineering of yolk-shell …
Co-doped P3 type K0.5Mn1-xCoxO2 (x≤0.5) cathodes for long cycle …
1. Introduction. The scarcity of fossil fuels forces to urgently seek for renewable green energy, among which lithium-ion batteries (LIBs) have been widely used in electric vehicles (EVs) and portable electronic devices due to their high energy density, long cycle life and high operating voltage [[1], [2], [3]].The uneven distribution of lithium …
Carbon Electrode Materials for Advanced Potassium-Ion Storage
Different from the few previous review papers focused on electrode materials, this critical Review will focus on recent advances in carbon-based potassium …
Design and optimization of carbon materials as anodes for …
Consequently, this review outlines strategic approaches to the design of carbon materials for excellent potassium storage performance, including the expansion …
Frontiers | Boron-Doped Pine-Cone Carbon With 3D …
Boron-Doped Pine-Cone Carbon With 3D Interconnected Porosity for Use as an Anode for Potassium-Ion Batteries With Long Life Cycle. Jian-Fang Lu 1,2 Ke-Chun Li 3 ... Cao, L., Ren, Y., Li, R., et al. (2017). Controlled Synthesis of Macroscopic Three-Dimensional Hollow Reticulate Hard Carbon as Long-Life Anode Materials for Na-Ion …
Building electrode skins for ultra-stable potassium metal batteries
Huang, R. et al. Hierarchical triple-shelled MnCo 2 O 4 hollow microspheres as high-performance anode materials for potassium-ion batteries. Small 17, e2007597 (2021). Article PubMed Google Scholar
Electrospun MOF-based ZnSe nanocrystals confined in N
In-situ rooting ZnSe/N-doped hollow carbon architectures as high-rate and long-life anode materials for half/full sodium-ion and potassium-ion batteries Energy Storage Mater., 23 ( 2019 ), pp. 35 - 45
Stable Solid Electrolyte Interphase for Long-Life Potassium Metal Batteries
Potassium (K) is considered to be the most suitable anode material for rechargeable K batteries because of its high theoretical capacity (686 mAh g–1) and low redox potential (−2.93 V vs SHE). However, uneven electrodeposition of K during cycling usually leads to the growth of dendrites, resulting in low Coulombic efficiency and …
A N–CoSe/CoSe2–C@Cu hierarchical architecture as a
The highly reversible insertion/extraction of large-radius K+ into electrode materials remains a tough goal, especially for conversion-type materials. Herein, we design a current collector-integrated electrode (N–CoSe/CoSe2–C@Cu) as an advanced anode for potassium-ion battery (PIBs). The conductive CoSe/CoSe2 heterojunction with rich Se …
Pitch-Derived Soft Carbon as Stable Anode Material for Potassium Ion ...
Potassium ion batteries (KIBs) have emerged as a promising energy storage system, but the stability and high rate capability of their electrode materials, particularly carbon as the most investigated anode ones, become a primary challenge. ... Here, it is identified that pitch-derived soft carbon, a non … Pitch-Derived Soft Carbon as Stable ...
Co-doped P3 type K0.5Mn1-xCoxO2 (x≤0.5) cathodes for long cycle …
Co-doped P3 type K 0.5 Mn 1-x Co x O 2 (x≤0.5) cathodes for long cycle life potassium ion battery. Author links open overlay panel Shujie Yang a, Xin Min a, Bozhi Yang a, Xiaobao Liu a, ... (NMP). And others electrodes chose K 0.5 Mn 0.8 Co 0.2 O 2 as the active material with conducting carbon and PVDF at a weight ratio of 6:2:2, 7:2:1 and 8: ...
Cathode materials for high-performance potassium-ion batteries
Lithium-ion (Li +) batteries (LIBs) as a typical electrochemical energy storage technology have been extensively applied in our daily life (such as in electric vehicles and portable electronic devices) due to their long cycle life and high energy density. 10, 11 However, the limited Li resources and relatively high cost of LIBs inevitably …
An insight into the initial Coulombic efficiency of carbon-based …
In view of this, at the early stage of KIBs development, numerous researches focus on how to obtain anode materials with high capacity and long cycle life. Therefore, many strategies based on structural designs and composition adjustments have been proposed. As a result, it has greatly promoted the development of potassium ion …
Recent advances in tin-based anode materials for potassium-ion batteries
Due to the synergistic effect of 3D porous carbon and ultrafine SnO 2 nanoparticles, the results show that the 3D SnO 2 @C electrode exhibits high-performance potassium storage in potassium ion half-cells, including excellent reversible capacity (270.3 mAh g −1 after 200 cycle at 100 mA g −1, with capacity retention close to 80 %), …
Heteroatom-doped carbon anode materials for potassium-ion …
Carbonaceous materials are attractive anode candidates for potassium-ion batteries (PIBs) because of their cost-effectiveness, high conductivity, and …
Heteroatom-doped carbon anode materials for potassium-ion batteries ...
Given the advantages of long cycle life, high energy density, and no memory effect, lithium-ion batteries (LIBs) have triggered enormous attention in the field of portable electronics and electric vehicles since they are commercialized. 1–3 However, the insufficient lithium resources and high cost seriously impede the further large-scale …
High Capacity and Fast Kinetics of Potassium-Ion Batteries
Nitrogen-doped mesoporous carbon spheres (MCS) are prepared as anode materials of potassium-ion batteries by a facile method. The MCS have larger …
[PDF] High‐Rate and Ultralong Cycle‐Life Potassium Ion Batteries ...
The potassium‐ion battery (PIB) represents a promising alternative to the lithium‐ion battery for large‐scale energy storage owing to the abundance and low cost of potassium. The lack of high performance anode materials is one of the bottlenecks for its success. The main challenge is the structural degradation caused by the huge volume …
Carbon-Based Pseudocapacitive Materials for Next Generation Batteries ...
Sodium and potassium-ion batteries have been hampered by their low rates and capacities, making them less desirable as electrical energy storage devices at low prices. ... low cost, and excellent electrochemical conversion mechanisms. Here, the carbon-free anode shows long cycle life and high tap density. Building blocks and nanosheets are ...
VO2@Carbon foam as a freestanding anode material for potassium-ion ...
Potassium-ion batteries (PIBs) are advanced and promising energy storage systems because of their abundant potassium resources and low cost. However, the large radius of K + (1.38 Å) makes it diffuse slowly in the solid electrode and the electrode material volume changes greatly, resulting in the lack of satisfactory materials …
Recent Progress of Carbon-Based Anode Materials for …
High-performance anode materials are the key to the development of potassium ion batteries (PIBs), improving their competitiveness and feasibility. Carbon …
Research collaboration brings new concepts for potassium-ion batteries
More information: Ryan A. Adams et al. Binder-Free N- and O-Rich Carbon Nanofiber Anodes for Long Cycle Life K-Ion Batteries, ACS Applied Materials & Interfaces (2017). DOI: 10.1021/acsami.7b02476
Ultralong cycle life and high rate potassium ion batteries enabled …
Carbon materials are widely exploited in anode materials for potassium ion batteries (PIBs) due to low cost and non-toxicity. Herein, multi-level porous carbon …
Engineering the interplanar spacing of K-birnessite for ultra-long ...
Engineering the interplanar spacing of K-birnessite for ultra-long cycle Zn-ion battery through "hydrothermal potassium insertion" strategy ... Liu et al. reported a high-performance hierarchical core–shell carbon nanofiber (CNF)@MnO 2 (MOC ... Recent Progress and Prospects of Layered Cathode Materials for Potassium-ion Batteries. …
Carbon nanotubes-based anode materials for potassium ion …
To meet the demands of practical applications, more research into high-performance electrode materials with long cycle life and high-rate capability is urgently …
Long Life Anode Material for Potassium Ion Batteries with High …
Carbon coated Li 4 Ti 5 O 12 is a promising cathode material for k ion batteries.. The carbon layer increases the electrical conductivity from ~10 −7 to ~10 −1 s cm −1.. From BVS result, K + ions are expected to intercalate along three diffusion pathways. Reversible biphasic transition with Ti 4+/3+ redox pairs occurs during cycle.