Potassium Ion Capacitors

Emerging Potassium-ion Hybrid Capacitors

Potassium-ion capacitors (KICs) featuring the merits of abundant potassium resources, lower standard electrode potential, and low cost have been considered as potential …

Ampere-hour-scale soft-package potassium-ion hybrid capacitors …

In this work, we report 1 Ah soft-package potassium-ion hybrid …

Technological roadmap for potassium-ion hybrid capacitors

Potassium-ion hybrid capacitors (PIHCs) are in principle advantageous over the traditional metal-ion hybrid capacitors (MIHCs) in terms of low cost, safety, and reliability, …

Direct Structure–Performance Comparison of …

A hybrid ion capacitor (HIC) based on potassium ions (K +) is a new high-power intermediate energy device that may occupy a unique position on the Ragone chart space.Here, a direct performance comparison of a …

Emerging Potassium-ion Hybrid Capacitors

Potassium-ion capacitors (KICs) featuring the merits of abundant potassium resources, lower standard electrode potential, and low cost have …

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 …

All-Organic Potassium Ion Hybrid Capacitor | ACS Applied …

In an attempt to develop organic material-based energy storage devices, we demonstrate the fabrication of an all-organic potassium ion hybrid capacitor (KIHC). The all …

Carbon cathode with heteroatom doping and ultrahigh surface …

Abstract Potassium-ion hybrid capacitors (PIHCs) are widely regarded as highly promising energy storage devices, due to their exceptional energy density, impressive power …

Advanced Electrode Materials for Potassium-Ion Hybrid Capacitors

Potassium-ion hybrid capacitors (PIHCs) combine the advantages of high-energy potassium-ion batteries and high-power supercapacitors, whereas the development of …

Ampere-hour-scale soft-package potassium-ion hybrid capacitors …

In this work, we report 1 Ah soft-package potassium-ion hybrid supercapacitors (PIHCs), which combine the merits of high-energy density of battery-type negative electrodes …

Comprehensive Insights into Potassium‐Ion Capacitors: …

Potassium (K) has similar properties to sodium (Na) and lithium (Li), however, the abundance of K in the crust is the same with Na, and much higher than Li. Due to the fast …

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 insertion, …

Novel Potassium-Ion Hybrid Capacitor Based on an …

Along this line, we report a novel nonaqueous potassium-ion hybrid capacitor (KIC) that employs an anode of K 2 Ti 6 O 13 (KTO) microscaffolds constructed by nanorods and a cathode of N-doped …

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 …

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 …

Comprehensive Insights into Potassium‐Ion Capacitors: …

Alkali metal-ion capacitors integrate two electrodes from both batteries and supercapacitors (SCs), combining the advantages of large capacity, high-rate performance, …

Comprehensive Insights into Potassium‐Ion Capacitors: …

Alkali metal-ion capacitors integrate two electrodes from both batteries and …

Recent advances in potassium-ion hybrid capacitors: Electrode …

In this review, a new kind of energy storage device named potassium ion hybrid capacitors is introduced comprehensively, from their composition to energy storage …

Comprehensive Insights into Potassium-Ion Capacitors: …

Potassium (K) has similar properties to sodium (Na) and lithium (Li), however, the abundance of K in the crust is the same with Na, and much higher than Li. Due to the fast …

Recent advances in potassium-ion hybrid capacitors: Electrode …

Recent advances in potassium-ion hybrid capacitors (PIHCs) are …

Recent advances in potassium-ion hybrid capacitors: Electrode …

Recent advances in potassium-ion hybrid capacitors (PIHCs) are summarized. The pivotal components used in PIHCs are introduced and analyzed. Energy storage …

Direct Structure–Performance Comparison of All‐Carbon Potassium …

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 …

A nonaqueous potassium-ion hybrid capacitor enabled by two …

Nonaqueous potassium-ion hybrid capacitors (KIHCs) are faced with limited redox reaction kinetics of electrodes for accommodation of large-sized K +. Here, dipotassium …

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 electrodes during …

Novel Potassium-Ion Hybrid Capacitor Based on an Anode of K

Along this line, we report a novel nonaqueous potassium-ion hybrid capacitor (KIC) that employs an anode of K 2 Ti 6 O 13 (KTO) microscaffolds constructed by nanorods …