High Potassium Ion Storage Capacity with Long Cycling Stability Enables by Sustainable Oxygen-Rich Carbon Nanosheets

Nanoscale ◽  
2021 ◽  
Author(s):  
Xuechun Li ◽  
Huanlei Wang ◽  
Wenzhe Zhang ◽  
Wenrui Wei ◽  
Ranxia Liao ◽  
...  
Keyword(s):  
Carbon Materials ◽  
Storage Capacity ◽  
Specific Capacity ◽  
Potassium Ion ◽  
Cycling Stability ◽  
High Potassium ◽  
Carbon Nanosheets ◽  
Ion Storage ◽  
Kinetics Of

The development of carbon materials for potassium storage is limited by the low specific capacity and poor cycling stability due to the sluggish kinetics of K ions. Herein, fucoidan-derived oxygen-rich...

Phytic Acid Induced Nitrogen Configuration Adjustment of Active Nitrogen-Rich Carbon Nanosheets for High-Performance Potassium-Ion Storage

2021 ◽  
Author(s):  
Ma Liang ◽  
Zhibin Li ◽  
Jinliang Li ◽  
Yao Dai ◽  
Chen Qian ◽  
...  
Keyword(s):  
Electrochemical Performance ◽  
Phytic Acid ◽  
High Performance ◽  
Nitrogen Doping ◽  
Potassium Ion ◽  
Active Nitrogen ◽  
Carbon Nanosheets ◽  
Ion Storage

As a conventional modification approach, nitrogen doping in carbon can greatly improve the electrochemical performance for potassium (K)-ion storage. However, we realized that the improvement of electrochemical performance by simple...

An iron-based polyanionic cathode for potassium storage with high capacity and excellent cycling stability

2020 ◽  
Vol 8 (18) ◽  
pp. 9128-9136 ◽  
Author(s):  
Haiyan He ◽  
Wenjiao Yao ◽  
Sarayut Tunmee ◽  
Xiaolong Zhou ◽  
Bifa Ji ◽  
...  
Keyword(s):  
High Stability ◽  
High Capacity ◽  
Potassium Ion ◽  
Cycling Stability ◽  
Positive Electrode ◽  
Ion Storage ◽  
Excellent Cycling Stability ◽  
Iron Based

KLi3Fe(C2O4)3@C is developed as a positive electrode for potassium-ion storage with high stability and long cyclability.

Boosting the potassium-ion storage performance of a carbon anode by chemically regulating oxygen-containing species

2019 ◽  
Vol 55 (94) ◽  
pp. 14147-14150 ◽  
Author(s):  
Rui Zhang ◽  
Haibo Li ◽  
Rui Li ◽  
Denghu Wei ◽  
Wenjun Kang ◽  
...  
Keyword(s):  
Rate Capability ◽  
Reversible Capacity ◽  
Potassium Ion ◽  
Cycling Stability ◽  
Carbon Anode ◽  
Storage Performance ◽  
Ion Storage ◽  
Melamine Foam

The oxygen-containing species in melamine foam carbons are chemically regulated. The optimized carbon anode shows an enhanced potassium-ion storage performance in terms of reversible capacity, rate capability, and long-term cycling stability.

Edge-nitrogen enriched carbon nanosheets for potassium-ion battery anodes with an ultrastable cycling stability

Carbon ◽  
2021 ◽  
Author(s):  
Kainian Chu ◽  
Xiaojuan Zhang ◽  
Yang Yang ◽  
Zhiqiang Li ◽  
Lingzhi Wei ◽  
...  
Keyword(s):  
Potassium Ion ◽  
Cycling Stability ◽  
Carbon Nanosheets

Zero-strain K0.6Mn1F2.7 hollow nanocubes for ultrastable potassium ion storage

2018 ◽  
Vol 11 (10) ◽  
pp. 3033-3042 ◽  
Author(s):  
Zhiwei Liu ◽  
Ping Li ◽  
Guoquan Suo ◽  
Sheng Gong ◽  
Wei (Alex) Wang ◽  
...  
Keyword(s):  
Rate Capability ◽  
Potassium Ion ◽  
Cycling Stability ◽  
New Class ◽  
Ion Storage

In this report, we develop a new etching route to fabricate a new class of zero-strain potassium fluoromanganate hollow nanocubes (KMnF-NCs) for boosting the performance of KIBs in terms of capacity, rate capability and cycling stability.

High Edge-Nitrogrn-Doped Porous Carbon Nanosheets with Rapid Pseudocapacitive Mechanism for Boosted Potassium-Ion Storage

2021 ◽  
Author(s):  
Lingfeng Zhu ◽  
Yun Wang ◽  
Minji Wang ◽  
Mouzhi Huang ◽  
Yanan Huang ◽  
...  
Keyword(s):  
Porous Carbon ◽  
Potassium Ion ◽  
Carbon Nanosheets ◽  
Ion Storage

Insights into high capacity and ultrastable carbonaceous anodes for potassium-ion storage via a hierarchical heterostructure

2020 ◽  
Vol 8 (5) ◽  
pp. 2836-2842 ◽  
Author(s):  
Chunrong Ma ◽  
Huijun Yang ◽  
Zhixin Xu ◽  
Zhengguang Fu ◽  
Yingying Xie ◽  
...  
Keyword(s):  
Electronic Structure ◽  
Porous Carbon ◽  
Three Dimensional ◽  
High Capacity ◽  
Potassium Ion ◽  
Carbon Nanosheets ◽  
Structure And Morphology ◽  
Ion Storage

Three-dimensional (3D) P-doped porous carbon nanosheets (PCSs) are designed for enhancing PIB performance by adjusting the electronic structure and morphology.

Tuning the nitrogen-doping configuration in carbon materials via sulfur doping for ultrastable potassium ion storage

2021 ◽  
Author(s):  
Fangcai Zheng ◽  
Yang Xu ◽  
Changlai Wang ◽  
Ping Niu ◽  
Zhiqiang Li ◽  
...  
Keyword(s):  
Nitrogen Doping ◽  
Carbon Materials ◽  
Potassium Ion ◽  
Nitrogen Doped ◽  
Sulfur Doping ◽  
Promising Strategy ◽  
Ion Storage ◽  
Nitrogen Doped Carbon ◽  
Pyridinic N

Nitrogen doping is a promising strategy to improve potassium-storage performances in carbon materials. It is found that graphitic-N, pyridinic-N and pyrrodic-N always coexist in nitrogen-doped carbon materials prepared by typical...

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