Conductive Nanocrystalline Niobium Carbide as High-Efficiency Polysulfides Tamer for Lithium-Sulfur Batteries

2017 ◽  
Vol 28 (2) ◽  
pp. 1704865 ◽  
Author(s):  
Wenlong Cai ◽  
Gaoran Li ◽  
Kailong Zhang ◽  
Guannan Xiao ◽  
Can Wang ◽  
...  
Keyword(s):  
High Efficiency ◽  
Niobium Carbide ◽  
Lithium Sulfur Batteries ◽  
Lithium Sulfur

scholarly journals Three-Dimensionally Ordered Macroporous ZnO Framework as Dual-Functional Sulfur Host for High-Efficiency Lithium–Sulfur Batteries

Nanomaterials ◽  
2020 ◽  
Vol 10 (11) ◽  
pp. 2267
Author(s):  
Haisheng Han ◽  
Tong Wang ◽  
Yongguang Zhang ◽  
Arailym Nurpeissova ◽  
Zhumabay Bakenov
Keyword(s):  
High Efficiency ◽  
High Capacity ◽  
Active Surface ◽  
Active Surface Area ◽  
Shuttle Effect ◽  
Dual Functional ◽  
Lithium Sulfur Batteries ◽  
Sulfur Host ◽  
Ordered Macroporous ◽  
Lithium Sulfur

A three-dimensionally ordered macroporous ZnO (3DOM ZnO) framework was synthesized by a template method to serve as a sulfur host for lithium–sulfur batteries. The unique 3DOM structure along with an increased active surface area promotes faster and better electrolyte penetration accelerating ion/mass transfer. Moreover, ZnO as a polar metal oxide has a strong adsorption capacity for polysulfides, which makes the 3DOM ZnO framework an ideal immobilization agent and catalyst to inhibit the polysulfides shuttle effect and promote the redox reactions kinetics. As a result of the stated advantages, the S/3DOM ZnO composite delivered a high initial capacity of 1110 mAh g−1 and maintained a capacity of 991 mAh g−1 after 100 cycles at 0.2 C as a cathode in a lithium–sulfur battery. Even at a high C-rate of 3 C, the S/3DOM ZnO composite still provided a high capacity of 651 mAh g−1, as well as a high areal capacity (4.47 mAh cm−2) under high loading (5 mg cm−2).

Current-density dependence of Li2S/Li2S2 growth in lithium–sulfur batteries

2019 ◽  
Vol 12 (10) ◽  
pp. 2976-2982 ◽  
Author(s):  
Long Kong ◽  
Jin-Xiu Chen ◽  
Hong-Jie Peng ◽  
Jia-Qi Huang ◽  
Wancheng Zhu ◽  
...  
Keyword(s):  
Density Dependence ◽  
Current Density ◽  
High Efficiency ◽  
Density Dependent ◽  
Guiding Principle ◽  
Lithium Sulfur Batteries ◽  
Lithium Sulfur ◽  
Nucleation Growth

The current-density-dependent Li2S1/2 nucleation/growth was explored and this guiding principle was applied for the construction of high-efficiency Li–S batteries.

High Efficiency, Low Polysulfides Solubility Electrolytes for Lithium Sulfur Batteries

2021 ◽  
Vol MA2021-02 (1) ◽  
pp. 53-53
Author(s):  
Xia Cao ◽  
Lili Shi ◽  
Dongping Lu ◽  
Jie Xiao ◽  
Jun Liu ◽  
...  
Keyword(s):  
High Efficiency ◽  
Lithium Sulfur Batteries ◽  
Lithium Sulfur

SnO2as a high-efficiency polysulfide trap in lithium–sulfur batteries

Nanoscale ◽  
2016 ◽  
Vol 8 (28) ◽  
pp. 13638-13645 ◽  
Author(s):  
Jing Liu ◽  
Lixia Yuan ◽  
Kai Yuan ◽  
Zhen Li ◽  
Zhangxiang Hao ◽  
...  
Keyword(s):  
High Efficiency ◽  
Lithium Sulfur Batteries ◽  
Lithium Sulfur

Covalent Organic Frameworks as the Coating Layer of Ceramic Separator for High-Efficiency Lithium–Sulfur Batteries

2017 ◽  
Vol 1 (1) ◽  
pp. 132-138 ◽  
Author(s):  
Jianyi Wang ◽  
Liping Si ◽  
Qin Wei ◽  
Xujia Hong ◽  
Songliang Cai ◽  
...  
Keyword(s):  
High Efficiency ◽  
Coating Layer ◽  
Covalent Organic Frameworks ◽  
Lithium Sulfur Batteries ◽  
Lithium Sulfur

Long-life Li–S batteries based on enabling the immobilization and catalytic conversion of polysulfides

2019 ◽  
Vol 7 (38) ◽  
pp. 21747-21758 ◽  
Author(s):  
Yupeng Zhang ◽  
Rong Gu ◽  
Shuai Zheng ◽  
KeXuan Liao ◽  
Penghui Shi ◽  
...  
Keyword(s):  
Carbon Nanotubes ◽  
High Efficiency ◽  
Catalytic Conversion ◽  
Carbon Nanospheres ◽  
One Dimensional ◽  
Lithium Sulfur Batteries ◽  
Long Life ◽  
Lithium Sulfur

A novel hierarchical mesoporous nitrogen-rich carbon nanospheres comprising one-dimensional (1D) bamboo-like carbon nanotubes encapsulating Fe3O4 nanoparticles synthesized are used as a high-efficiency host for lithium–sulfur batteries.

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