Porous potassium ion capacitor
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Potassium ion hybrid capacitors (PIHC) have promising applications in medium and large-scale energy storage systems due to their high energy/power density, abundant …
Porous carbon nanofibers derived from low-softening-point coal …
Potassium ion hybrid capacitors (PIHC) have promising applications in medium and large-scale energy storage systems due to their high energy/power density, abundant …
Fast Redox Kinetics in Bi‐Heteroatom Doped 3D Porous Carbon …
Potassium‐ion hybrid capacitors (PIHCs) hold the advantages of high‐energy density of batteries and high‐power output of supercapacitors and thus present great promise for the next generation of electrochemical energy storage devices. One of the most crucial tasks for developing a high‐performance PIHCs is to explore a favorable anode material with capability …
Kinetically boosted potassium ion storage capability of 1D …
Potassium ion capacitors (PICs) generally consist of potassium-ion battery anode, porous carbon cathode, and potassium ion conductive organic electrolyte [[11], [12], [13], [14]].The battery anode induced intercalation, conversion, and alloying reactions can give rise to much larger ion storage capacity than pseudocapacitive reaction.
Kinetics Enhanced Nitrogen‐Doped Hierarchical Porous Hollow …
Potassium‐ion hybrid capacitors (PIHCs) shrewdly combine a battery‐type anode and a capacitor‐type cathode, exhibiting an energy density close to that of potassium ion batteries and a comparable power density of supercapacitors. However, the rosy scenario is compromised by the sluggish kinetics in the PIHCs device. Herein, the kinetics enhanced nitrogen‐doped …
Technological roadmap for potassium-ion hybrid capacitors
Potassium-ion hybrid capacitors (PIHCs) have recently garnered tremendous attention, owing to their high power density, low cost, and high safety, enabling their unparalleled potential for the mass market. ... The typical configuration of PIHCs comprises a pair of electrodes and a porous membrane infiltrated with electrolyte. 25, 44 In this ...
Carbon nanomaterials for aqueous zinc-ion capacitors: recent …
The energy storage behavior of pseudo capacitors is mainly due to reversible redox reaction between the functional groups of the cathode electrode and electrolyte, which is manifested in the form of hydrogen adsorption and desorption to generate pseudocapacitance (Reaction ()) [].Alshareef et al. analyzed the adsorption and desorption behavior of hydrogen …
Construction of N, S-doped single hole hollow carbon …
4 · Assembly and testing of NS-SHHCNP//Graphite potassium-ion hybrid capacitor: First, the NS-SHHCNP cathode was precycled to full stability in a half cell with a charge cut-off voltage of 3.8 V. The graphite anode was precycled in a half cell with a discharge cut-off voltage of 0.01 V. ... Nitrogen and phosphorus dual-doped porous carbons for high ...
Porous current collector enables carbon superior …
The potassium-ion capacitor assem-bled using PCu exhibits an excellent energy/power density of 86.1 Wh kg-1 and 4000 W kg-1, respectively. This work will boost the rational design and provide an effective strategy to improve the performance of potassium-ion capacitors. Keywords Porous copper; Current collector; Anode;
Russian‐Doll‐Like Porous Carbon as Anode Materials for …
The assembled KPCRP//activated carbon potassium-ion hybrid supercapacitor in 30 m CH 3 COOK displays a high energy density of 157.29 Wh kg −1, an ultrahigh power output of 14 kW kg −1, and a long cycling life (99.58% capacity retention after 10000 cycles), highlighting the superiority of Russian-doll-like pore structure. This work sheds ...
Porous MXenes enable high performance potassium ion capacitors
DOI: 10.1016/J.NANOEN.2019.06.013 Corpus ID: 196931628; Porous MXenes enable high performance potassium ion capacitors @article{Ming2019PorousME, title={Porous MXenes enable high performance potassium ion capacitors}, author={Fangwang Ming and Hanfeng Liang and Wenli Zhang and Jun Ming and Yongjiu Lei and Abdul-Hamid M. Emwas and …
Edge-nitrogen doped porous carbon for energy-storage potassium-ion ...
Chen explained that potassium-ion hybrid capacitors (PIHCs) have several significant advantages as an alternative to lithium-ion batteries, especially to dual-carbon potassium ion hybrid capacitors (DC-PIHCs) with capacitive carbon cathode and battery-type carbon anode due to their low cost and high power/energy density.
Porous MXenes enable high performance potassium ion capacitors ...
Request PDF | Porous MXenes enable high performance potassium ion capacitors | High power K⁺ ion capacitors have great potential in various large-scale applications because of the cost ...
Porous current collector enables carbon superior electrochemical ...
The potassium-ion capacitor assembled using PCu exhibits an excellent energy/power density of 86.1 Wh·kg−1 and 4000 W·kg−1, respectively. ... the specific capacity of K-ion capacitor using porous Cu current collector is still superior compared to those of the other two current collectors. Fig. 6. a Schematic illustration of a K-ion ...
A high-performance potassium-ion capacitor based on a porous …
DOI: 10.1016/j.cclet.2019.11.012 Corpus ID: 209720344; A high-performance potassium-ion capacitor based on a porous carbon cathode originated from the Aldol reaction product
Recent Advances in Functionalized Biomass‐Derived Porous …
For instance, porous carbon derived from egg white showed a high surface area (3898 m 2 g −1) and appreciable N doping, a combination which produced a promising outcome for energy density (124.7 Wh kg −1) at a power density 2547 W …
Nitrogen-doped porous carbon nanosheets as both anode and …
DOI: 10.1016/j.gee.2022.02.013 Corpus ID: 247214850; Nitrogen-doped porous carbon nanosheets as both anode and cathode for advanced potassium-ion hybrid capacitors @article{Du2022NitrogendopedPC, title={Nitrogen-doped porous carbon nanosheets as both anode and cathode for advanced potassium-ion hybrid capacitors}, author={Quanzhou Du …
3D nitrogen-doped framework carbon for high-performance potassium ion ...
DOI: 10.1016/J.ENSM.2019.04.008 Corpus ID: 145979688; 3D nitrogen-doped framework carbon for high-performance potassium ion hybrid capacitor @article{Yang20193DNF, title={3D nitrogen-doped framework carbon for high-performance potassium ion hybrid capacitor}, author={Bingjun Yang and Jiangtao Chen and Lingyang Liu and Pengjun Ma and Baoyong Liu …
High-performance potassium ion capacitors enabled by …
Potassium ion hybrid capacitors (PIHCs) have drawn considerable attention due to the fact that they can combine the merits of high energy density of potassium ion batteries (KIBs) and high power density of supercapacitors.However, the sluggish kinetics caused by the large radius of K + largely hinder the practical application of PIHCs. In this work, we report a …
Novel Bilayer-Shelled N, O-Doped Hollow Porous Carbon
With the advantages of high energy/power density, long cycling life and low cost, dual-carbon potassium ion hybrid capacitors (PIHCs) have great potential in the field of energy storage. Here, a novel bilayer-shelled N, O-doped hollow porous carbon microspheres (NOHPC) anode has been prepared by a self-template method, which is consisted of a dense thin shell …
General overview of sodium, potassium, and zinc-ion capacitors
Herein we provide a review of recent progress on MICs, focusing on the sodium-ion capacitor (SICs), potassium-ion capacitors (PICs), and zinc-ion capacitors (ZICs); starting from the basic concepts (the perspectives of the design concepts, the configuration of MICs devices, the electrochemical behavior and the energy storage mechanism), the ...
Hydrothermal "Disproportionation" of Biomass into Oriented …
Remarkably, the as‐assembled OCMS//3DPC potassium ion hybrid capacitor exhibits an energy of 140.7 Wh kg−1 at 643.8 W kg−1, with a long cycle life over 8500 cycles. ... Hydrothermal "Disproportionation" of Biomass into Oriented Carbon Microsphere Anode and 3D Porous Carbon Cathode for Potassium Ion Hybrid Capacitor @article ...
High-performance potassium ion capacitors enabled by …
As the capacitance is generally related to the surface area of electrode, achieving micropores-dominated porous carbon with large ion accessible surface area is a key …
Dual-function engineering to construct ultra-stable anodes for ...
The increasing demand for sustainable and green energy resources has been driving a paradigm shift fossil fuels to promising energy storage systems with the merits of high energy/power density [1], [2].The emerging alkali metal ion (Li, Na, K) hybrid capacitors that are composed of a battery-type anode and a capacitive-type cathode can integrate the advantages …
[PDF] Hierarchically porous N-doped carbon framework with …
@article{Gao2023HierarchicallyPN, title={Hierarchically porous N-doped carbon framework with enlarged interlayer spacing as dual-carbon electrodes for potassium ion hybrid capacitors}, author={Qingchao Gao and Tuo Li and Chanjuan Liu and Jinfeng Sun and Yang Liu and Linrui Hou and Changzhou Yuan}, journal={Carbon Neutrality}, year={2023 ...
Novel Potassium-Ion Hybrid Capacitor Based on an …
To fill the gap between batteries and supercapacitors requires integration of the following features in a single system: energy density well above that of supercapacitors, cycle life much longer than Li-ion batteries, and low …
Porous Carbon Tubes Constructing Freestanding Flexible …
Developing electrode materials to apply in anodes and cathodes with superior kinetics and high specific capacity still remains a serious challenge for potassium-ion hybrid …
Porous MXenes enable high performance potassium ion …
approach, are promising electrodes in mobile ion capacitors. Keywords: Porous MXene; V 2 C MXene; Potassium ion capacitor; Energy storage . Introduction ... potassium ion capacitors were successfully fabricated by coupling the K–V 2 C anode and K x MnFe(CN) 6 cathode. The full cells could achieve the energy densities of 145, and 30.55 Wh
Dual-Carbon Electrode-Based High-Energy-Density …
An improved bioinspired strategy to construct nitrogen and phosphorus dual-doped network porous carbon with boosted kinetics potassium ion capacitors. Nanoscale 2022, 14 (17), 6339-6348.
Nitrogen-doped porous carbon nanofoams with enhanced …
Many electrochemical energy storage devices, such as batteries, supercapacitors, and metal ion capacitors, rely on effective and inexpensive electrode materials. Herein, we have developed highly active nitrogen-doped porous carbon nanofoams (NPCNs-600-N) for sodium-ion capacitors (SICs). NPCNs-600-N have a highly porous framework, …
[PDF] Cocoon Silk-Derived, Hierarchically Porous Carbon as …
DOI: 10.1007/s40820-020-00454-w Corpus ID: 219522482; Cocoon Silk-Derived, Hierarchically Porous Carbon as Anode for Highly Robust Potassium-Ion Hybrid Capacitors @article{Luo2020CocoonSH, title={Cocoon Silk-Derived, Hierarchically Porous Carbon as Anode for Highly Robust Potassium-Ion Hybrid Capacitors}, author={Haiyan Luo and Maoxin Chen …
Hierarchical porous carbon nanofibers for compatible …
The development of electrode materials with the capability of balancing kinetics and capacity between a battery-type anode and capacitor-type cathode is still a grand challenge for potassium-ion hybrid capacitors …
Pushing the Energy Output and Cycling Lifespan of …
Abstract Potassium ion capacitors (PIC) have been extensively explored as an economically favorable substitute for their well-developed lithium ion counterparts. ... Here, a porous carbon microsheets …
Kinetics Enhanced Nitrogen‐Doped Hierarchical …
Request PDF | Kinetics Enhanced Nitrogen‐Doped Hierarchical Porous Hollow Carbon Spheres Boosting Advanced Potassium‐Ion Hybrid Capacitors | Potassium‐ion hybrid capacitors …
Hierarchically porous N-doped carbon framework with enlarged …
Qiu D, Guan J, Li M, Kang C, Wei J, Li Y, Xie Z, Wang F, Yang R (2019) Kinetics enhanced nitrogen-doped hierarchical porous hollow carbon spheres boosting advanced potassium-ion hybrid capacitors. Adv Funct Mater 1903496.
Nitrogen-doped porous carbon nanosheets as both anode and …
Potassium-ion hybrid capacitors (PIHCs) as a burgeoning research hotspot are an ideal replacement for lithium-ion hybrid capacitors (LIHCs). Here, we report nitrogen-doped porous carbon nanosheets (NPCNs) with enlarged interlayer spacing, abundant defects, and favorable mesoporous structures.