Our Energy Storage Solutions
Discover our range of innovative energy storage products designed to meet diverse needs and applications.
- All
- Energy Cabinet
- Communication site
- Outdoor site
Ultrathin NiO nanosheets anchored to a nitrogen-doped …
Herein, we have synthesized ultrathin NiO nanosheets anchored to nitrogen-doped hierarchical porous carbon (NiO/N-HPC) and applied it to construct aqueous potassium ion hybrid capacitors (APIHCs). The abundant and interconnected porous architecture promotes electrolyte penetration/diffusion and shortens the ion transport …
Ampere-hour-scale soft-package potassium-ion hybrid capacitors …
Here, authors present an ampere-hour-scale potassium-ion hybrid capacitor, combining the merits of a battery and capacitor, and demonstrate a 6-minute …
Recent progress in sodium/potassium hybrid capacitors
The kinetics mismatch between the capacitor-type cathode and battery-type anode yet must be well addressed before implementing their practical feasibility. Here, we overview the recent progress in sodium and potassium ion hybrid capacitors (SIHCs and PIHCs) and discuss the major challenges and give an outlook on the future …
Petroleum pitch derived carbon as both cathode and anode …
1. Introduction. Potassium-based energy storage devices have attracted increasing attention due to the merits of low cost, abundance of potassium in earth''s crust, and the K + /K redox potential (−2.93 V) similar to lithium (−3.04 V vs. Li + /Li) [[1], [2], [3], [4]].Potassium-ion hybrid capacitors, which bridge the power and energy gaps …
High Sulfur-doped hollow carbon sphere with multicavity for high ...
Potassium-ion hybrid capacitors (PIHCs) can theoretically deliver both high energy density and power density with long life span, resulting in relatively broad application prospect [12]. Owing to the large ionic radius of K + (1.38 Å), there are some problems for the design of electrode materials of PIHCs, such as volume expansion and …
Porous current collector enables carbon superior …
current collector is an indispensable component in potas-sium-ion capacitor, which greatly affects the electro-chemical performance. At the same time, the current collector also affects the pre-potassium process of the potassium ion capacitor. Therefore, the modification of current collector is an effective method to enhance the
Technological roadmap for potassium-ion hybrid capacitors
A combination of these factors, i.e., high energy density of LIBs and superior power density, as well as the cycle life of SCs, makes hybrid devices promising candidates for high-efficiency energy storage applications (Figure 1 A). 15 In 2001, a seminal system of lithium-ion hybrid capacitors (LIHCs) was introduced, employing an …
B, F Co-doping flexible carbon nanofibers as a fast and stable …
Potassium ion hybrid capacitors (PIHCs) have attracted widespread attention as combining the advantages of potassium ion batteries (PIBs) with supercapacitors. ... The precursor solution was then loaded into a plastic syringe with a 22-gauge blunt needle and the flow rate was set as 0.8 mL min −1. A high voltage (18–20 …
Recent progress and prospects in anode materials for potassium-ion ...
Potassium-ion capacitors (PICs) are promising energy storage devices, which are competitive with lithium-ion and sodium ion capacitors. PICs combine the advantages of a battery-type anode and a capacitive cathode, resulting in a low cost, high energy density, high power density and long cycle life.
Technological roadmap for potassium-ion hybrid capacitors
DOI: 10.1016/j.joule.2024.03.006 Corpus ID: 268964849; Technological roadmap for potassium-ion hybrid capacitors @article{Zhao2024TechnologicalRF, title={Technological roadmap for potassium-ion hybrid capacitors}, author={Shuoqing Zhao and Guohao Li and Bohan Zhang and Tianming Li and Mingchuan Luo and Bing Sun and Guoxiu Wang and …
Porous current collector enables carbon superior electrochemical ...
Abstract The current collector is an indispensable component in potassium-ion hybrid capacitors, which not only provides mechanical support to load electrode materials, but also collects and outputs the current generated. Herein, we investigate the effect of three different current collectors on the electrochemical …
(PDF) Dual-Carbon Electrode-Based High-Energy-Density Potassium-Ion ...
Potassium-ion hybrid capacitors (KIHCs) have attracted growing attention due to the natural abundance and low cost of potassium. However, KIHCs are still limited by sluggish redox reaction ...
Dual-Carbon Electrode-Based High-Energy-Density Potassium-Ion Hybrid ...
Potassium-ion hybrid capacitors (KIHCs) have attracted growing attention due to the natural abundance and low cost of potassium. However, KIHCs are still limited by sluggish redox reaction kinetics in electrodes during the accommodation of large-sized K+. Herein, a starch-derived hierarchically porous nitrogen-doped carbon (SHPNC) …
N-rich biomass carbon derived from hemp as a full carbon-based ...
Potassium ion hybrid capacitors have the advantages of high energy density, high power density, and low cost, and are expected to replace expensive lithium ion storage devices in large-scale applications. ... At a current density of 1000 mA g −1, ... Cookie Settings. All content on this site: ...
Excellent Electrochemical Performance of Potassium Ion Capacitor ...
The obtained AC shows high surface areas of 1600 m 2 g −1 with a high N content of 11.7 wt% and is simultaneously applied to lithium-ions capacitor (LIC), …
Large interspaced layered potassium niobate nanosheet arrays …
1. Introduction. The environmentally benign and sustainable energy storage technologies are paramount to meet the ever-increasing development of modern electronics, electric vehicles and large-scale renewable power sources [1], [2], [3].Although lithium-ion technologies (lithium-ion batteries and capacitors (LICs)), currently, outperform other …
Dual-Carbon Electrode-Based High-Energy-Density …
Potassium-ion hybrid capacitors (KIHCs) have attracted growing attention due to the natural abundance and low cost of potassium. However, KIHCs are still limited by sluggish redox reaction kinetics in …
A high-performance potassium-ion capacitor based on a …
Potassium-ion capacitors (KICs) emerge as a promising substitute for the well-developed lithium-ion capacitors (LICs), however, the energy density of KICs is below expectations because of lacking a suitable electrical double-layer positive electrode ing chemical activation of the Aldol reaction product of acetone with KOH, we synthesized a …
Ampere-hour-scale soft-package potassium-ion hybrid capacitors …
Here, authors present an ampere-hour-scale potassium-ion hybrid capacitor, combining the merits of a battery and capacitor, and demonstrate a 6-minute charging time. Introduction To alleviate the energy crisis and environmental problems caused by the excessive utilization of oil and natural gas, renewable energy and efficient …
Concunrent manipulation of anion and cation adsorption kinetics …
Potassium ion hybrid capacitors (KIHCs) are one of the most promising candidate for large scale energy storage owing to the merits of high energy/power density, natural abundance and low cost. ... Noteworthy, the reversible capacity of PN-PanC electrode recovers to 295.6 mAh g −1 with the current is set back to 100 mAh g −1, …
Operando Studies of Bismuth Nanoparticles ...
[7-9] Especially potassium-ion hybrid capacitors (PIHC), which integrate a battery-type anode as the negative electrode and capacitive carbon as the positive electrode in an asymmetric manner, combine the best of potassium-ion batteries (PIBs) and potassium-ion capacitors (PICs), promising a high-power output, excellent energy …
N-rich biomass carbon derived from hemp as a full carbon-based ...
Potassium ion hybrid capacitors have the advantages of high energy density, high power density, and low cost, and are expected to replace expensive lithium ion storage devices in large-scale applications. ... Then, 2000 mAh g −1 potassium was pre-deposited at a current density of 200 mA g −1. Then half-cell was disassembled to take …
Direct Structure–Performance Comparison of …
Here, a direct performance comparison of a potassium ion capacitor (KIC) versus the better-known sodium ion capacitor is provided. Tests are performed with an asymmetric architecture based on bulk ion …
Kinetically boosted potassium ion storage capability of 1D …
The K + storage performance of the KTO@3D-C was evaluated in the coin-type half-cells first. The rate performance of the bare KTO is poor (Fig. 2 a), the initial discharge capacity is about 65 mAh g −1 at 0.05 A g −1, when the current density is up to 2 A g −1, the discharge capacity is just 10 mAh g −1.The bare 3D-C matrix exhibits a …
Engineering shell thickness of pyridinic-N rich hollow carbon ...
Potassium-ion hybrid capacitors (PIHCs) are candidate devices for large-scale electricity storage due to their attractive combination of high energy density of batteries and high power capacity of supercapacitors. ... HCNs were fabricated using a growth-and-removal technique, which exhibited a K + storage capacity of 298 mAh g −1 …