A Novel Ternary Ordered Intermetallics Cu3ZnSb As Anode for Alkali-Ion Storage

Mapping Intimacies ◽

10.31219/osf.io/teh69 ◽

2019 ◽

Author(s):

Debanjana Pahari ◽

Sreeraj Puravankara

Keyword(s):

Discharge Capacity ◽

Small Volume ◽

High Capacity ◽

Initial Discharge Capacity ◽

Voltage Range ◽

Initial Discharge ◽

Ion Storage ◽

Unit Cells ◽

Graphite Anodes ◽

High Theoretical Capacity

Among the high capacity anodes, antimony (Sb) shows a high theoretical capacity of 660 mAh/g by formingNa3Sb, safer working potential and less volume expansion compared to graphite anodes for Na-ionbatteries(NIBs). Sb-based intermetallic systems can actively take part in sodiation /de-sodiation reaction.The relatively small volume change during charge-discharge reactions makes them promising anodes for Na-ion batteries. Cu2Sb has extensively been studied as intermetallic Sb-based anode for Na-ion storage. Theanodes are capable of transferring three electrons in the redox reaction giving rise to a capacity of 250 mAh/gwhich is closely 77% of its theoretical capacity. In this study, a ternary intermetallic Sb-based alloyCu3ZnSb has been investigated to attain better electrochemical performance.Ternary Cu3ZnSb crystallises in tetragonal space group P4/nmm (129) with lattice parameters a = 4.2171 (3)Å and c = 8.6925 (11) Å. The structure is built up with [Cu3Sb] slabs that correspond to the unit cells ofCu2Sb and planer 44 nets of Zn atoms. The planar nets of Zn atoms are interspersed between two adjacent[Cu3Sb] slabs. The structure of Cu3ZnSb can be viewed as stacking of Cu2Sb-unit cells interleaved with CsCltype b’-brass (CuZn) layers along c-direction.Ternary Cu3ZnSb anodes exhibit an initial discharge capacity of 323 mAh/g when cycled at a rate of 0.05C inthe voltage range of 0.005 – 2 V. The average voltage can be calculated as 0.4 V with respect to Na/Na+. Although, the discharge capacity fades in the initial cycles, from the 6th cycle onwards a reversiblecapacity of 56 mAh/g has been observed for the pristine material.

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A Novel Ternary Ordered Intermetallics Cu3ZnSb As Anode for Alkali-Ion Storage

10.1149/osf.io/ecxkz ◽

2019 ◽

Author(s):

Debanjana Pahari ◽

Sreeraj Puravankara

Keyword(s):

Discharge Capacity ◽

Lattice Parameters ◽

Initial Discharge Capacity ◽

Voltage Range ◽

Space Group ◽

Initial Discharge ◽

Ion Storage ◽

Unit Cells ◽

Alkali Ion

Ternary Cu3ZnSb crystallises in tetragonal space group P4/nmm (129) with lattice parameters a = 4.2171 (3)Å and c = 8.6925 (11) Å. The structure is built up with [Cu3Sb] slabs that correspond to the unit cells ofCu2Sb and planer 44 nets of Zn atoms. The planar nets of Zn atoms are interspersed between two adjacent[Cu3Sb] slabs. The structure of Cu3ZnSb can be viewed as stacking of Cu2Sb-unit cells interleaved with CsCltype b’-brass (CuZn) layers along c-direction.Ternary Cu3ZnSb anodes exhibit an initial discharge capacity of 323 mAh/g when cycled at a rate of 0.05C inthe voltage range of 0.005 – 2 V (Figure 1b). The average voltage can be calculated as 0.4 V with respect toNa/Na+. Although, the discharge capacity fades in the initial cycles, from the 6th cycle onwards a reversiblecapacity of 56 mAh/g has been observed for the pristine material.

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An inorganic–organic nanocomposite calix[4]quinone (C4Q)/CMK-3 as a cathode material for high-capacity sodium batteries

Inorganic Chemistry Frontiers ◽

10.1039/c7qi00453b ◽

2017 ◽

Vol 4 (11) ◽

pp. 1806-1812 ◽

Cited By ~ 21

Author(s):

Shibing Zheng ◽

Jinyan Hu ◽

Weiwei Huang

Keyword(s):

Cathode Material ◽

Discharge Capacity ◽

High Capacity ◽

Initial Discharge Capacity ◽

Capacity Retention ◽

Initial Discharge ◽

Sodium Batteries

A novel high-capacity cathode material C4Q/CMK-3 for SIBs shows an initial discharge capacity of 438 mA h g−1 and a capacity retention of 219.2 mA h g−1 after 50 cycles.

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Synthesis and Electrochemical Properties of β-LiVOPO4/C as Cathode Materials for Lithium-Ion Batteries

Journal of Electrochemical Energy Conversion and Storage ◽

10.1115/1.4048938 ◽

2020 ◽

Vol 18 (3) ◽

Author(s):

Hualing Tian ◽

Zhonggang Liu ◽

Yanjun Cai ◽

Zhi Su

Keyword(s):

Ionic Conductivity ◽

Lithium Ion Batteries ◽

Discharge Capacity ◽

Cathode Materials ◽

Lithium Ion ◽

Commercial Application ◽

Initial Discharge Capacity ◽

A Value ◽

Initial Discharge ◽

High Theoretical Capacity

Abstract Due to the high theoretical capacity, high platform voltage, stable structure, and mild conditions for synthesis, LiVOPO4 is expected to become the next generation of cathode materials for lithium-ion batteries (LIBs). However, due to the relatively weak ionic conductivity, its commercial application has been largely limited. The paper reported that acetylene black was used as the reducing agent and the pure phase nanostructured orthorhombic β-LiVOPO4 was obtained by carbothermal reduction method. A significant improvement in ionic conductivity was achieved, and the results were compared with previous studies, the initial discharge capacity of the material was considerably enhanced. The results show that the electrical conductivity and the initial discharge capacity of the material were also significantly improved. The sample obtained by holding at 600 °C for 10 h exhibited a maximum discharge capacity of 141.4 mAh g−1 between 3 V and 4.5 V at 0.05 C, with a value of 136.3 mAh g−1, retained after 50 cycles. This represents capacity retention of 96.39%.

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Polyhedral Fe3O4 nanoparticles for lithium ion storage

New Journal of Chemistry ◽

10.1039/c4nj02032d ◽

2015 ◽

Vol 39 (4) ◽

pp. 2651-2656 ◽

Cited By ~ 28

Author(s):

Chaolun Liang ◽

Senchuan Huang ◽

Wenxia Zhao ◽

Wenyue Liu ◽

Jian Chen ◽

...

Keyword(s):

Discharge Capacity ◽

Fe3o4 Nanoparticles ◽

Lithium Ion ◽

Initial Discharge Capacity ◽

Initial Discharge ◽

Ion Storage

Fe3O4 nanoparticles composed of 14-facet and 26-facet polyhedrons exhibited a high initial discharge capacity of 1067 mA h g−1.

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Al-Doped Fe2O3 nanoparticles: advanced anode materials for high capacity lithium ion batteries

Dalton Transactions ◽

10.1039/d0dt04423g ◽

2021 ◽

Vol 50 (15) ◽

pp. 5115-5119

Author(s):

Yongqing Yuan ◽

Shijie Liang ◽

Weipei Liu ◽

Qiong Zhao ◽

Puguang Peng ◽

...

Keyword(s):

Lithium Ion Batteries ◽

Discharge Capacity ◽

Electrochemical Behavior ◽

Anode Materials ◽

High Capacity ◽

Lithium Ion ◽

Fe2o3 Nanoparticles ◽

Initial Discharge Capacity ◽

Initial Discharge ◽

The Stability

We successfully synthesized Al-Fe2O3 anode with high initial discharge capacity of 1210 mAh g−1 under 0.5 A g−1 and maintained around 900 mAh g−1 during the cycles. The doping of Al assists in the stability and electrochemical behavior of the whole electrode.

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Effect of sulfur doping on structural reversibility and cycling stability of a Li2MnSiO4 cathode material

Dalton Transactions ◽

10.1039/c8dt02226g ◽

2018 ◽

Vol 47 (35) ◽

pp. 12337-12344 ◽

Cited By ~ 3

Author(s):

Xia Wu ◽

Shi-Xi Zhao ◽

Lü-Qiang Yu ◽

Jin-Lin Yang ◽

Ce-Wen Nan

Keyword(s):

Cathode Material ◽

Discharge Capacity ◽

Cycling Stability ◽

Initial Discharge Capacity ◽

Sulfur Doping ◽

Initial Discharge ◽

Excellent Cycling Stability

Sulfur has been successfully employed into Li2MnSiO4 and results in a high initial discharge capacity and excellent cycling stability.

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Synthesis and Electrochemical Properties of C/LiMnPO4 Cathode Materials by Complex Polymerized Method

Key Engineering Materials ◽

10.4028/www.scientific.net/kem.485.115 ◽

2011 ◽

Vol 485 ◽

pp. 115-118

Author(s):

Atsushi Fujita ◽

Fuminari Isobe ◽

Takayuki Kodera ◽

Takashi Ogihara

Keyword(s):

Thermogravimetric Analysis ◽

Electrochemical Properties ◽

Carbon Content ◽

Discharge Capacity ◽

Cathode Materials ◽

Type Structure ◽

Initial Discharge Capacity ◽

Initial Discharge ◽

Differential Thermogravimetric Analysis

C/LiMnPO4 materials were synthesized by the complex polymerized method. An orthorhombic olivine type structure was obtained by calcination at temperatures over 973 K under an argon/hydrogen (5%) atmosphere. Differential thermogravimetric analysis showed that the carbon content of C/LiMnPO4 was about 65 wt%. The initial discharge capacity of C/LiMnPO4 calcined at 973 K was 135 mAh/g at 0.1 C and 60 mAh/g at 1 C.

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Tris(trimethylsilyl) phosphite (TMSPi) as an electrolyte additive for LiNi0.5Co0.2Mn0.3O2 cathode materials at elevated voltage and temperature

Functional Materials Letters ◽

10.1142/s1793604721510449 ◽

2021 ◽

Author(s):

Xiao Yu ◽

Zhiyong Yu ◽

Jishen Hao ◽

Hanxing Liu

Keyword(s):

Discharge Capacity ◽

Cathode Materials ◽

Solid Electrolyte Interphase ◽

Rate Capability ◽

Electrochemical Performances ◽

Initial Discharge Capacity ◽

Capacity Retention ◽

Electrolyte Additive ◽

Interface Impedance ◽

Initial Discharge

Electrolyte additive tris(trimethylsilyl) phosphite (TMSPi) was used to promote the electrochemical performances of LiNi[Formula: see text]Co[Formula: see text]Mn[Formula: see text]O2 (NCM523) at elevated voltage (4.5 V) and temperature (55[Formula: see text]C). The NCM523 in 2.0 wt.% TMSPi-added electrolyte exhibited a much higher capacity (166.8 mAh/g) than that in the baseline electrolyte (118.3 mAh/g) after 100 cycles under 4.5 V at 30[Formula: see text]C. Simultaneously, the NCM523 with 2.0 wt.% TMSPi showed superior rate capability compared to that without TMSPi. Besides, after 100 cycles at 55[Formula: see text]C under 4.5 V, the discharge capacity retention reached 87.4% for the cell with 2.0 wt.% TMSPi, however, only 24.4% of initial discharge capacity was left for the cell with the baseline electrolyte. A series of analyses (TEM, XPS and EIS) confirmed that TMSPi-derived solid electrolyte interphase (SEI) stabilized the electrode/electrolyte interface and hindered the increase of interface impedance, resulting in obviously enhanced electrochemical performances of NCM523 cathode materials under elevated voltage and/or temperature.

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The displacement reaction mechanism of the CuV2O6 nanowire cathode for rechargeable aqueous zinc ion batteries

Dalton Transactions ◽

10.1039/c9dt04226a ◽

2020 ◽

Vol 49 (4) ◽

pp. 1048-1055 ◽

Cited By ~ 5

Author(s):

Xin Yu ◽

Fang Hu ◽

Fuhan Cui ◽

Jun Zhao ◽

Chao Guan ◽

...

Keyword(s):

Reaction Mechanism ◽

Cathode Material ◽

Discharge Capacity ◽

Current Density ◽

Zinc Ion ◽

Cycle Performance ◽

Displacement Reaction ◽

Initial Discharge Capacity ◽

Initial Discharge ◽

A Current

CuV2O6 nanowires as a cathode material for Zn-ion batteries display an initial discharge capacity of 338 mA h g−1 at a current density of 100 mA g−1 and an excellent cycle performance after 1200 cycles at 5 A g−1.

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