Aluminum Manganese Oxides with Mixed Crystal Structure: High-Energy-Density Cathodes for Rechargeable Sodium Batteries

ChemSusChem ◽  
2014 ◽  
Vol 7 (7) ◽  
pp. 1870-1875 ◽  
Author(s):  
Dong-Wook Han ◽  
Jun-Hwan Ku ◽  
Ryoung-Hee Kim ◽  
Dong-Jin Yun ◽  
Seok-Soo Lee ◽  
...  
Keyword(s):  
Crystal Structure ◽  
Energy Density ◽  
Manganese Oxides ◽  
Mixed Crystal ◽  
High Energy ◽  
High Energy Density ◽  
Sodium Batteries

Slow surface diffusion on Cu substrates in Li metal batteries

2021 ◽  
Author(s):  
Ingeborg Treu Røe ◽  
Sondre K. Schnell
Keyword(s):  
Crystal Structure ◽  
Energy Density ◽  
High Energy ◽  
High Energy Density ◽  
Lithium Metal ◽  
Metal Anode ◽  
Lithium Metal Batteries ◽  
Lithium Metal Anode ◽  
Slow Surface ◽  
Cu Substrates

Dendrite growth on the lithium metal anode still obstructs a widespread commercialization of high energy density lithium metal batteries. In this work, we investigate how the crystal structure of the...

Core–Shell Fe1–[email protected] Nanorods for Room Temperature All-Solid-State Sodium Batteries with High Energy Density

ACS Nano ◽  
2018 ◽  
Vol 12 (3) ◽  
pp. 2809-2817 ◽  
Author(s):  
Hongli Wan ◽  
Jean Pierre Mwizerwa ◽  
Xingguo Qi ◽  
Xin Liu ◽  
Xiaoxiong Xu ◽  
...  
Keyword(s):  
Solid State ◽  
Energy Density ◽  
Room Temperature ◽  
High Energy ◽  
High Energy Density ◽  
Core Shell ◽  
Sodium Batteries

scholarly journals Sodium Batteries: A Review on Sodium-Sulfur and Sodium-Air Batteries

Electronics ◽  
2019 ◽  
Vol 8 (10) ◽  
pp. 1201 ◽  
Author(s):  
Neha Chawla ◽  
Meer Safa
Keyword(s):  
Energy Density ◽  
Lithium Ion Batteries ◽  
Electric Vehicles ◽  
Lithium Ion ◽  
High Energy ◽  
Cycle Life ◽  
High Energy Density ◽  
Portable Electronics ◽  
Sodium Batteries ◽  
Sodium Sulfur

Lithium-ion batteries are currently used for various applications since they are lightweight, stable, and flexible. With the increased demand for portable electronics and electric vehicles, it has become necessary to develop newer, smaller, and lighter batteries with increased cycle life, high energy density, and overall better battery performance. Since the sources of lithium are limited and also because of the high cost of the metal, it is necessary to find alternatives. Sodium batteries have shown great potential, and hence several researchers are working on improving the battery performance of the various sodium batteries. This paper is a brief review of the current research in sodium-sulfur and sodium-air batteries.

scholarly journals Predicting the crystal structure of $$\hbox {N}_5\hbox {AsF}_6$$ high energy density material using ab initio evolutionary algorithms

2021 ◽  
Vol 11 (1) ◽  
Author(s):  
El Mostafa Benchafia ◽  
Xianqin Wang ◽  
Zafar Iqbal ◽  
Sufian Abedrabbo
Keyword(s):  
Crystal Structure ◽  
Energy Density ◽  
Ab Initio ◽  
High Energy ◽  
High Energy Density ◽  
Marginal Stability ◽  
Phonon Modes ◽  
High Energy Density Material ◽  
Polymeric Nitrogen ◽  
Prediction Approach

Abstract$$\hbox {N}_5\hbox {AsF}_6$$ N 5 AsF 6 is the first successfully synthesized salt that has a polymeric nitrogen moeity ($$\hbox {N}_5^+$$ N 5 + ). Although 12 other $$\hbox {N}_5^+$$ N 5 + salts followed, with $$\hbox {N}_5\hbox {SbF}_6$$ N 5 SbF 6 and $$\hbox {N}_5\hbox {Sb}_2\hbox {F}_{11}$$ N 5 Sb 2 F 11 being the most stable, the crystal structure of $$\hbox {N}_5\hbox {AsF}_6$$ N 5 AsF 6 remains unknown. Currently, it is impossible to experimentally determine the structures of $$\hbox {N}_5\hbox {AsF}_6$$ N 5 AsF 6 due to its marginal stability and explosive nature. Here, following an ab initio evolutionary prediction and using only the stoichiometry of $$\hbox {N}_5\hbox {AsF}_6$$ N 5 AsF 6 as a starting point, we were able to reveal the crystal structure of this high energy density material (HEDM). The $$\hbox {C}_{2V}$$ C 2 V symmetry of the $$\hbox {N}_5^+$$ N 5 + cation, as suggested from earlier investigations, is confirmed to be the symmetry adopted by this polymeric nitrogen within the crystal. This result gave full confidence in the validity of this crystal prediction approach. While stability of the $$\hbox {N}_5^+$$ N 5 + within the crystal is found to be driven by electronic considerations, the marginal stability of this HEDM is found to be related to a partial softening of its phonon modes.

Geometrically intricate sheet-on-pillar/flake hierarchy embracing cobaltosic and manganese oxides over flexible carbon scaffold for binder-free high-energy-density supercapacitor

CrystEngComm ◽  
2018 ◽  
Vol 20 (40) ◽  
pp. 6183-6196 ◽  
Author(s):  
S. Thakur ◽  
S. Maiti ◽  
T. Paul ◽  
N. Besra ◽  
S. Sarkar ◽  
...  
Keyword(s):  
Energy Density ◽  
Manganese Oxides ◽  
Electrochemical Behaviour ◽  
High Energy ◽  
High Energy Density ◽  
Carbon Fabric ◽  
Property Correlation ◽  
Binder Free

Sheet-on-rod/flake hierarchy embracing Co3O4 and MnO2 on carbon fabric is used for binder-free high-energy-density supercapacitor. Electrochemical behaviour is illuminated on the basis of shape-porosity-property correlation.

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