scholarly journals Cover Picture: Oxygen Vacancies on Layered Niobic Acid That Weaken the Catalytic Conversion of Polysulfides in Lithium–Sulfur Batteries (Angew. Chem. Int. Ed. 33/2019)

2019 ◽  
Vol 58 (33) ◽  
pp. 11127-11127
Author(s):  
Lingling Xu ◽  
Hongyang Zhao ◽  
Mingzi Sun ◽  
Bolong Huang ◽  
Jianwei Wang ◽  
...  
Keyword(s):  
Oxygen Vacancies ◽  
Catalytic Conversion ◽  
Lithium Sulfur Batteries ◽  
Niobic Acid ◽  
Lithium Sulfur

Oxygen Vacancies on Layered Niobic Acid That Weaken the Catalytic Conversion of Polysulfides in Lithium–Sulfur Batteries

2019 ◽  
Vol 58 (33) ◽  
pp. 11491-11496 ◽  
Author(s):  
Lingling Xu ◽  
Hongyang Zhao ◽  
Mingzi Sun ◽  
Bolong Huang ◽  
Jianwei Wang ◽  
...  
Keyword(s):  
Oxygen Vacancies ◽  
Catalytic Conversion ◽  
Lithium Sulfur Batteries ◽  
Niobic Acid ◽  
Lithium Sulfur

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...

Capture and Catalytic Conversion of Polysulfides by In Situ Built TiO2‐MXene Heterostructures for Lithium–Sulfur Batteries

2019 ◽  
Vol 9 (19) ◽  
pp. 1900219 ◽  
Author(s):  
Long Jiao ◽  
Chen Zhang ◽  
Chuannan Geng ◽  
Shichao Wu ◽  
Huan Li ◽  
...  
Keyword(s):  
Catalytic Conversion ◽  
Lithium Sulfur Batteries ◽  
Lithium Sulfur

A synergistic engineering layer with a versatile H2Ti3O7 electrocatalyst for a suppressed shuttle effect and enhanced catalytic conversion in lithium–sulfur batteries

2020 ◽  
Vol 8 (47) ◽  
pp. 25411-25424
Author(s):  
Changhoon Choi ◽  
Jung Been Park ◽  
Dong-Wan Kim
Keyword(s):  
Catalytic Conversion ◽  
Shuttle Effect ◽  
Lithium Sulfur Batteries ◽  
Lithium Sulfur

A synergistic engineering layer consisting of H2Ti3O7 and conductive agents on a separator exhibits a suppressed shuttle effect and enhanced catalytic conversion of polysulfides with acceleration of electron/Li+ transfer for Li–S batteries.

Catalytic Conversion of Polysulfides on Single Atom Zinc Implanted MXene toward High‐Rate Lithium–Sulfur Batteries

2020 ◽  
Vol 30 (30) ◽  
pp. 2002471 ◽  
Author(s):  
Di Zhang ◽  
Shuai Wang ◽  
Riming Hu ◽  
Jianan Gu ◽  
Yanglansen Cui ◽  
...  
Keyword(s):  
Catalytic Conversion ◽  
High Rate ◽  
Single Atom ◽  
Lithium Sulfur Batteries ◽  
Lithium Sulfur

Expediting polysulfide catalytic conversion for lithium–sulfur batteries via in situ implanted ultrafine Fe3O4 nanocrystals in carbon nanospheres

2020 ◽  
Vol 8 (45) ◽  
pp. 24117-24127
Author(s):  
Zhe Su ◽  
Mingqi Chen ◽  
Yankai Pan ◽  
Yajing Liu ◽  
Hai Xu ◽  
...  
Keyword(s):  
Reaction Kinetics ◽  
Catalytic Conversion ◽  
Carbon Nanospheres ◽  
Practical Applications ◽  
Lithium Sulfur Batteries ◽  
Solid Liquid ◽  
Lithium Sulfur

The sluggish reaction kinetics and notorious polysulfide shuttling arising from the multistep solid/liquid conversion are the significant obstacles to practical applications of lithium–sulfur (Li–S) batteries.

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.

Oxygen-deficient titanium dioxide as a functional host for lithium–sulfur batteries

2019 ◽  
Vol 7 (17) ◽  
pp. 10346-10353 ◽  
Author(s):  
Hong-En Wang ◽  
Kaili Yin ◽  
Ning Qin ◽  
Xu Zhao ◽  
Fan-Jie Xia ◽  
...  
Keyword(s):  
Titanium Dioxide ◽  
Oxygen Vacancies ◽  
Lithium Sulfur Batteries ◽  
Redox Conversion ◽  
Lithium Sulfur

Engineering oxygen vacancies in mesoporous TiO2 effectively enhanced its ability to trap polysulfides and simultaneously propelled the redox conversion of polysulfides.

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