scholarly journals New O3-Type Layer-Structured Na0.80[Fe0.40Co0.40Ti0.20]O2 Cathode Material for Rechargeable Sodium-Ion Batteries

Materials ◽  
2021 ◽  
Vol 14 (9) ◽  
pp. 2363
Author(s):  
Daniel A. Anang ◽  
Deu S. Bhange ◽  
Basit Ali ◽  
Kyung-Wan Nam
Keyword(s):  
Cathode Material ◽  
Discharge Capacity ◽  
Redox Reactions ◽  
Charge Compensation ◽  
Sodium Ion ◽  
Ex Situ ◽  
Sodium Ion Batteries ◽  
In Situ Xrd ◽  
The Rich ◽  
Discharge Profile

Herein, we formulated a new O3-type layered Na0.80[Fe0.40Co0.40Ti0.20]O2 (NFCTO) cathode material for sodium-ion batteries (SIBs) using a double-substitution concept of Co in the parent NaFe0.5Co0.5O2, having the general formula Na1-x[Fe0.5–x/2Co0.5–x/2M4+x]O2 (M4+ = tetravalent ions). The NFCTO electrode delivers a first discharge capacity of 108 mAhg−1 with 80% discharge capacity retention after 50 cycles. Notably, the first charge–discharge profile shows asymmetric yet reversible redox reactions. Such asymmetric redox reactions and electrochemical properties of the NFCTO electrode were correlated with the phase transition behavior and charge compensation reaction using synchrotron-based in situ XRD and ex situ X-ray absorption spectroscopy. This study provides an exciting opportunity to explore the interplay between the rich chemistry of Na1–x[Fe0.5–x/2Co0.5–x/2M4+x]O2 and sodium storage properties, which may lead to the development of new cathode materials for SIBs.

scholarly journals High Capacity Prismatic Type Layered Electrode with Anionic Redox Activity as an Efficient Cathode Material and PVdF/SiO2 Composite Membrane for a Sodium Ion Battery

Polymers ◽  
2020 ◽  
Vol 12 (3) ◽  
pp. 662 ◽  
Author(s):  
Arjunan Ponnaiah ◽  
Subadevi Rengapillai ◽  
Diwakar Karuppiah ◽  
Sivakumar Marimuthu ◽  
Wei-Ren Liu ◽  
...  
Keyword(s):  
Cathode Material ◽  
Discharge Capacity ◽  
Sol Gel ◽  
High Capacity ◽  
Charge Compensation ◽  
Sodium Ion ◽  
Redox Activity ◽  
Sodium Ion Battery ◽  
Voltage Range ◽  
Specific Discharge

A prismatic type layered Na2/3Ni1/3Mn2/3O2 cathode material for a sodium ion battery is prepared via two different methods viz., the solid state and sol–gel method with dissimilar surface morphology and a single phase crystal structure. It shows tremendous electrochemical chattels when studied as a cathode for a sodium-ion battery of an initial specific discharge capacity of 244 mAh g−1 with decent columbic efficiency of 98% up to 250 cycles, between the voltage range from 1.8 to 4.5 V (Na+/Na) at 0.1 C under room temperature. It is much higher than its theoretical value of 173 mAh g−1 and also than in the earlier reports (228 m Ah g−1). The full cell containing this material exhibits 800 mAh g−1 at 0.1 C and withstands until 1000 cycles with the discharge capacity of 164 mAh g−1. The surpassing capacity was expected by the anionic (oxygen) redox process, which elucidates the higher capacity based on the charge compensation phenomenon.

Highly Crystallized Na2CoFe(CN)6 with Suppressed Lattice Defects as Superior Cathode Material for Sodium-Ion Batteries

2016 ◽  
Vol 8 (8) ◽  
pp. 5393-5399 ◽  
Author(s):  
Xianyong Wu ◽  
Chenghao Wu ◽  
Congxiao Wei ◽  
Ling Hu ◽  
Jiangfeng Qian ◽  
...  
Keyword(s):  
Cathode Material ◽  
Lattice Defects ◽  
Sodium Ion ◽  
Sodium Ion Batteries

A P2/P3 composite-layered cathode material with low-voltage decay for sodium-ion batteries

2021 ◽  
Author(s):  
Xiaoli Chen ◽  
Jiangping Song ◽  
Junsheng Li ◽  
Haining Zhang ◽  
Haolin Tang
Keyword(s):  
Cathode Material ◽  
Low Voltage ◽  
Sodium Ion ◽  
Sodium Ion Batteries ◽  
Voltage Decay

Experimental and theoretical investigation of Na4MnAl(PO4)3 cathode material for sodium-ion batteries

2021 ◽  
pp. 130680
Author(s):  
Qianchen Wang ◽  
Chen Ling ◽  
Jingbo Li ◽  
Hongcai Gao ◽  
Zongguo Wang ◽  
...  
Keyword(s):  
Cathode Material ◽  
Theoretical Investigation ◽  
Sodium Ion ◽  
Sodium Ion Batteries

scholarly journals Moisture-Driven Degradation Pathways in Prussian White Cathode Material for Sodium-Ion Batteries

2021 ◽  
Author(s):  
Dickson O. Ojwang ◽  
Mikael Svensson ◽  
Christian Njel ◽  
Ronnie Mogensen ◽  
Ashok S. Menon ◽  
...  
Keyword(s):  
Cathode Material ◽  
Sodium Ion ◽  
Degradation Pathways ◽  
Sodium Ion Batteries

Electrospun graphene-wrapped Na6.24Fe4.88(P2O7)4 nanofibers as a high-performance cathode for sodium-ion batteries

2017 ◽  
Vol 19 (26) ◽  
pp. 17270-17277 ◽  
Author(s):  
Yubin Niu ◽  
Maowen Xu ◽  
Chunlong Dai ◽  
Bolei Shen ◽  
Chang Ming Li
Keyword(s):  
Discharge Capacity ◽  
High Performance ◽  
Electronic Conductivity ◽  
Sodium Ion ◽  
High Rate ◽  
Sodium Ion Batteries ◽  
Rate Discharge ◽  
High Rate Discharge

Na6.24Fe4.88(P2O7)4 is one of the intensively investigated polyanionic compounds and has shown high rate discharge capacity, but its relatively low electronic conductivity hampers the high performance of the batteries.

Carbon coated NaLi0.2Mn0.8O2 as a superb cathode material for sodium ion batteries

2021 ◽  
Vol 866 ◽  
pp. 158950
Author(s):  
Ngo Quy Quyen ◽  
To Van Nguyen ◽  
Hoang Huu Thang ◽  
Pham Manh Thao ◽  
Nguyen Van Nghia
Keyword(s):  
Cathode Material ◽  
Sodium Ion ◽  
Sodium Ion Batteries ◽  
Carbon Coated

Rational Design of Ti-Based Oxygen Redox Layered Oxides for Advanced Sodium-ion Batteries

2021 ◽  
Author(s):  
Jaewoon Lee ◽  
Sojung Koo ◽  
Jinwoo Lee ◽  
Duho Kim
Keyword(s):  
Transition Metals ◽  
Redox Reactions ◽  
Rational Design ◽  
Alkali Metals ◽  
Sodium Ion ◽  
Sodium Ion Batteries ◽  
Layered Oxides

Considering Mn4+ (3d3)-based cations, various layered oxides (A[AyM1-y]O2, where A and M refer to alkali metals and transition metals, respectively) exhibiting oxygen-redox reactions have been investigated extensively to achieve high...

Carbon-coated Na3V2(PO4)2F3 nanoparticles embedded in a mesoporous carbon matrix as a potential cathode material for sodium-ion batteries with superior rate capability and long-term cycle life

2015 ◽  
Vol 3 (43) ◽  
pp. 21478-21485 ◽  
Author(s):  
Qiang Liu ◽  
Dongxue Wang ◽  
Xu Yang ◽  
Nan Chen ◽  
Chunzhong Wang ◽  
...  
Keyword(s):  
Cathode Material ◽  
Mesoporous Carbon ◽  
Rate Capability ◽  
Carbon Matrix ◽  
Cycle Life ◽  
Sodium Ion ◽  
Sodium Ion Batteries ◽  
Hrtem Image ◽  
Carbon Coated

The HRTEM image and long-term cycle life with capacity retentions of 70% and 50% over 1000 and 3000 cycles at 10C and 30C rates, respectively.

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