scholarly journals K0.36(H2O)yWS2: a new layered compound for reversible hydrated potassium ion intercalation in aqueous electrolyte

RSC Advances ◽  
2019 ◽  
Vol 9 (55) ◽  
pp. 32323-32327 ◽  
Author(s):  
Yuanlv Mao ◽  
Miao Xie ◽  
Wei Zhao ◽  
Kaidi Yuan ◽  
Yuqiang Fang ◽  
...  
Keyword(s):  
Aqueous Electrolyte ◽  
Potassium Ion ◽  
Layered Compound ◽  
Two Dimensional ◽  
Compound K ◽  
Ion Storage ◽  
Ion Intercalation

This work reports the synthesis of a new quasi two-dimensional layered compound, K0.36(H2O)yWS2, for aqueous potassium ion storage.

Potassium-ion storage behavior of microstructure-engineered hard carbons

2022 ◽  
Author(s):  
Hoseong Kim ◽  
Jong Chan Hyun ◽  
Ji In Jung ◽  
Jin Bae Lee ◽  
Jaewon Choi ◽  
...  
Keyword(s):  
Solid Solution ◽  
Carbon Materials ◽  
Potassium Ion ◽  
Graphitic Carbon ◽  
Ion Storage ◽  
Storage Behavior ◽  
Ion Intercalation

A distinctive solid-solution potassium-ion intercalation behavior of disordered graphitic carbon materials was observed.

Dual-Stage K-ion Intercalation in V2O5-Conductive Polymer Composite

2021 ◽  
Author(s):  
Xiaowei Teng ◽  
Daniel Charles ◽  
Fenghua Guo ◽  
Xiaoqiang Shan ◽  
SaeWon Kim ◽  
...  
Keyword(s):  
Polymer Composite ◽  
Aqueous Electrolyte ◽  
Conductive Polymer ◽  
Interlayer Distance ◽  
X Ray ◽  
Conductive Polymer Composite ◽  
Ion Storage ◽  
Dual Stage ◽  
Ion Intercalation

We reported that the incorporation of conductive polymer into V2O5 materials resulted in an increased interlayer distance of 2.2 nm, favoring K-ion storage in an aqueous electrolyte. In situ X-ray...

Preparation of porous niobium oxide by the exfoliation of K4Nb6O17 and its photocatalytic activity

1998 ◽  
Vol 13 (4) ◽  
pp. 861-865 ◽  
Author(s):  
Ryu Abe ◽  
Kiyoaki Shinohara ◽  
Akira Tanaka ◽  
Michikazu Hara ◽  
Junko N. Kondo ◽  
...  
Keyword(s):  
Photocatalytic Activity ◽  
Thermal Treatment ◽  
Porous Material ◽  
Niobium Oxide ◽  
Fine Particles ◽  
Layered Compound ◽  
Aqueous Alcohol ◽  
Two Dimensional ◽  
Compound K ◽  
Aqueous Alcohol Solutions

A new porous material was prepared from a layered compound, K4Nb6O17, through the exfoliation of its layers. A composite of the niobate sheets and MgO particles were obtained by precipitating the exfoliated two-dimensional niobate sheets with MgO fine particles. Porous niobium oxide was obtained by removal of the MgO particles from the composite after thermal treatment. It had a large surface area and showed higher photocatalytic activity than the original H+/K4Nb6O17 for H2 evolution from various aqueous alcohol solutions.

Red phosphorus embedded in TiO2/C nanofibers to enhance the potassium-ion storage performance

Nanoscale ◽  
2021 ◽  
Vol 13 (13) ◽  
pp. 6635-6643
Author(s):  
Die Su ◽  
Jing Dai ◽  
Min Yang ◽  
Jiaxing Wen ◽  
Jianping Yang ◽  
...  
Keyword(s):  
Energy Storage ◽  
Electronic Conductivity ◽  
Potassium Ion ◽  
Special Structure ◽  
Red Phosphorus ◽  
Storage Performance ◽  
Ion Storage

TiO2-RP/CN was fabricated and found to possess a special structure and an excellent electronic conductivity, and the electrodes show outstanding energy storage in K half/full cells.

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