A New Conjugated Porous Polymer with Covalently Linked Polysulfide as Cathode Material for High-Rate Capacity and High Coulombic Efficiency Lithium–Sulfur Batteries

2019 ◽  
Vol 123 (35) ◽  
pp. 21327-21335 ◽  
Author(s):  
Xu Liu ◽  
Shi Wang ◽  
Ailian Wang ◽  
Jie Chen ◽  
Zhinan Wang ◽  
...  
Keyword(s):  
Cathode Material ◽  
Coulombic Efficiency ◽  
Porous Polymer ◽  
High Rate ◽  
Lithium Sulfur Batteries ◽  
Rate Capacity ◽  
Covalently Linked ◽  
Lithium Sulfur ◽  
High Coulombic Efficiency

A 2D/2D graphitic carbon nitride/N-doped graphene hybrid as an effective polysulfide mediator in lithium–sulfur batteries

2019 ◽  
Vol 3 (9) ◽  
pp. 1807-1815 ◽  
Author(s):  
Junsheng Ma ◽  
Mingpeng Yu ◽  
Huanyu Ye ◽  
Hongquan Song ◽  
Dongxue Wang ◽  
...  
Keyword(s):  
Carbon Nitride ◽  
Coulombic Efficiency ◽  
Graphitic Carbon ◽  
Graphitic Carbon Nitride ◽  
Lithium Sulfur Batteries ◽  
Doped Graphene ◽  
Template Free ◽  
Lithium Sulfur ◽  
High Coulombic Efficiency

A heterostructured host composed of porous g-C3N4 and N-doped graphene was fabricated by a template-free strategy. The hybrid display excellent cyclability and high coulombic efficiency due to the enhanced polysulfide anchoring-conversion capability.

Fabrication of layered Ti3C2 with an accordion-like structure as a potential cathode material for high performance lithium–sulfur batteries

2015 ◽  
Vol 3 (15) ◽  
pp. 7870-7876 ◽  
Author(s):  
Xiaoqin Zhao ◽  
Min Liu ◽  
Yong Chen ◽  
Bo Hou ◽  
Na Zhang ◽  
...  
Keyword(s):  
Cathode Material ◽  
Discharge Capacity ◽  
High Performance ◽  
Coulombic Efficiency ◽  
Initial Discharge Capacity ◽  
Capacity Retention ◽  
Initial Discharge ◽  
Lithium Sulfur Batteries ◽  
Lithium Sulfur

L-Ti3C2 was prepared by exfoliating Ti3AlC2 in 40% HF. With sulfur-loaded L-Ti3C2 as cathodes, Li–S batteries deliver a high initial discharge capacity of 1291 mA h g−1, an excellent capacity retention of 970 mA h g−1 and coulombic efficiency of 99% after 100 cycles.

Impregnation of sulfur into a 2D pyrene-based covalent organic framework for high-rate lithium–sulfur batteries

2018 ◽  
Vol 6 (35) ◽  
pp. 17186-17191 ◽  
Author(s):  
Yi Meng ◽  
Guiqing Lin ◽  
Huimin Ding ◽  
Huaping Liao ◽  
Cheng Wang
Keyword(s):  
High Rate ◽  
Covalent Organic Framework ◽  
Term Stability ◽  
Long Term Stability ◽  
Lithium Sulfur Batteries ◽  
Rate Capacity ◽  
Lithium Sulfur ◽  
Organic Framework

By loading 70 wt% sulfur into a pyrene-based COF (Py-COF), we constructed Li–S batteries with high-rate capacity and long-term stability.

Highly Ordered Mesoporous Sulfurized Polyacrylonitrile Cathode Material for High-Rate Lithium Sulfur Batteries

2017 ◽  
Vol 121 (47) ◽  
pp. 26172-26179 ◽  
Author(s):  
Ying Liu ◽  
Anupriya K. Haridas ◽  
Kwon-Koo Cho ◽  
Younki Lee ◽  
Jou-Hyeon Ahn
Keyword(s):  
Cathode Material ◽  
High Rate ◽  
Ordered Mesoporous ◽  
Lithium Sulfur Batteries ◽  
Lithium Sulfur

Rationally designing S/Ti3C2Tx as a cathode material with an interlayer for high-rate and long-cycle lithium–sulfur batteries

Nanoscale ◽  
2018 ◽  
Vol 10 (35) ◽  
pp. 16935-16942 ◽  
Author(s):  
Q. Jin ◽  
N. Zhang ◽  
C. C. Zhu ◽  
H. Gao ◽  
X. T. Zhang
Keyword(s):  
Cathode Material ◽  
Rate Capability ◽  
Cycling Stability ◽  
High Rate ◽  
Long Cycle ◽  
Lithium Polysulfide ◽  
Lithium Sulfur Batteries ◽  
Lithium Sulfur

Lithium–sulfur batteries suffer from poor cycling stability and inferior rate capability, mainly caused by low conductivity and lithium polysulfide dissolution.

A polypyrrole-supported carbon paper acting as a polysulfide trap for lithium–sulfur batteries

RSC Advances ◽  
2015 ◽  
Vol 5 (114) ◽  
pp. 94479-94485 ◽  
Author(s):  
Feng Wu ◽  
Wenhui Li ◽  
Lili Guan ◽  
Yusheng Ye ◽  
Ji Qian ◽  
...  
Keyword(s):  
Energy Storage ◽  
High Rate ◽  
Carbon Paper ◽  
Shuttle Effect ◽  
Lithium Sulfur Batteries ◽  
Rate Capacity ◽  
Low Costs ◽  
Strong Candidate ◽  
Lithium Sulfur ◽  
Capacity Decay

Lithium–sulfur (Li–S) batteries with high theoretical capacities and low costs are a strong candidate for future energy storage, but their development is hindered by many shortcomings, such as high-rate capacity decay due to the “shuttle effect”.

Sign in / Sign up

Export Citation Format

Share Document