Collaborative design of Li–S batteries using 3D N-doped graphene aerogel as a sulfur host and graphitic carbon nitride paper as an interlayer

2017 ◽  
Vol 1 (8) ◽  
pp. 1759-1765 ◽  
Author(s):  
Juthaporn Wutthiprom ◽  
Nutthaphon Phattharasupakun ◽  
Jakkrit Khuntilo ◽  
Thana Maihom ◽  
Jumras Limtrakul ◽  
...  
Keyword(s):  
Collaborative Design ◽  
Carbon Nitride ◽  
High Energy ◽  
Graphene Aerogel ◽  
Practical Applications ◽  
The Poor ◽  
Lithium Sulfur Batteries ◽  
Doped Graphene ◽  
Sulfur Host ◽  
Lithium Sulfur

Lithium–sulfur batteries (LSBs) have been widely investigated due to their high energy densities; however, their practical applications have still been limited by their poor cycling stability owing to the shuttle mechanism effect, volume expansion, soluble polysulfides, and the poor electrical conductivity of sulfur and Li2S.

Sulfur vacancies in Co9S8-x/N-doped graphene enhancing electrochemical kinetics to high-performance lithium sulfur batteries

2021 ◽  
Author(s):  
Haojie Li ◽  
Yihua Song ◽  
Kai Xi ◽  
Wei Wang ◽  
Sheng Liu ◽  
...  
Keyword(s):  
Cathode Materials ◽  
High Performance ◽  
Catalytic Conversion ◽  
High Energy ◽  
Electrochemical Kinetics ◽  
Lithium Sulfur Batteries ◽  
Doped Graphene ◽  
Sulfur Battery ◽  
Areal Capacity ◽  
Lithium Sulfur

A sufficient areal capacity is necessary for achieving high-energy lithium sulfur battery, which requires high enough sulfur loading in cathode materials. Therefore, kinetically fast catalytic conversion of polysulfide intermediates is...

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.

scholarly journals MoO2 nanoparticles embedded in N-doped hydrangea-like carbon as a sulfur host for high-performance lithium–sulfur batteries

RSC Advances ◽  
2020 ◽  
Vol 10 (34) ◽  
pp. 20173-20183
Author(s):  
Yasai Wang ◽  
Guilin Feng ◽  
Yang Wang ◽  
Zhenguo Wu ◽  
Yanxiao Chen ◽  
...  
Keyword(s):  
Energy Storage ◽  
Energy Density ◽  
High Performance ◽  
High Energy ◽  
High Energy Density ◽  
Energy Storage Devices ◽  
Storage Devices ◽  
Lithium Sulfur Batteries ◽  
Sulfur Host ◽  
Lithium Sulfur

Lithium–sulfur batteries are considered to be promising energy storage devices owing to their high energy density, relatively low price and abundant resources.

Efficient polysulfide barrier of a graphene aerogel–carbon nanofibers–Ni network for high-energy-density lithium–sulfur batteries with ultrahigh sulfur content

2018 ◽  
Vol 6 (42) ◽  
pp. 20926-20938 ◽  
Author(s):  
Yongzheng Zhang ◽  
Ruochen Wang ◽  
Weiqiang Tang ◽  
Liang Zhan ◽  
Shuangliang Zhao ◽  
...  
Keyword(s):  
Energy Density ◽  
Reversible Capacity ◽  
High Energy ◽  
High Energy Density ◽  
Rate Performance ◽  
Sulfur Cathode ◽  
Graphene Aerogel ◽  
Lithium Sulfur Batteries ◽  
Lithium Sulfur ◽  
Modified Separator

The GA–CNFs–Ni modified separator endows the “double high” sulfur cathode (5–10 mg cm−2, 90%) with a stable reversible capacity and superior rate performance.

Phosphorus-modified Fe4N@N,P co-doped graphene as an efficient sulfur host for high-performance lithium–sulfur batteries

2021 ◽  
Author(s):  
Meng Zhang ◽  
Lu Wang ◽  
Bin Wang ◽  
Bo Zhang ◽  
Xiuping Sun ◽  
...  
Keyword(s):  
Electrical Conductivity ◽  
Electrochemical Performance ◽  
High Performance ◽  
Stable Structure ◽  
Strong Affinity ◽  
Lithium Sulfur Batteries ◽  
Doped Graphene ◽  
Sulfur Host ◽  
Co Doped ◽  
Lithium Sulfur

P-Fe4N@NPG is conveniently fabricated and used as sulfur host for Li–S batteries. The P-Fe4N@NPG has a strong affinity for LiPSs, stable structure and good electrical conductivity, which could improve the electrochemical performance effectively.

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