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Cationic lithium polysulfides in lithium–sulfur batteries

CheM, 2022
Yun-Wei Song, Liang Shen, Nan Yao, Xi-Yao Li, Chen-Xi Bi, Zheng Li, Ming-Yue Zhou, Xue-Qiang Zhang, Xiang Chen, Bo-Quan Li, Jia-Qi Huang, Qiang Zhang   +11 more
exaly   +3 more sources

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Unveiling the Reaction Mystery Between Lithium Polysulfides and Lithium Metal Anode in Lithium–Sulfur Batteries

Advanced Materials
AbstractLithium‐sulfur (Li–S) batteries are widely regarded as one of the most promising next‐generation high‐energy‐density energy storage devices. However, soluble lithium polysulfides (LiPSs) corrode Li metal and deteriorate the cycling stability of Li–S batteries.
Chen-Xi Bi, Nan Yao, Xi-Yao Li
exaly   +4 more sources

Heterostructures Regulating Lithium Polysulfides for Advanced Lithium‐Sulfur Batteries

Advanced Materials, 2023
AbstractSluggish reaction kinetics and severe shuttling effect of lithium polysulfides seriously hinder the development of lithium‐sulfur batteries. Heterostructures, due to unique properties, have congenital advantages that are difficult to be achieved by single‐component materials in regulating lithium polysulfides by efficient catalysis and strong ...
Tao Wang, Jiarui He, Zhi Zhu, Xin‐Bing Cheng, Jian Zhu, Bingan Lu, Yuping Wu   +6 more
openaire   +3 more sources

Two-Stage Solvation of Lithium Polysulfides in Working Lithium–Sulfur Batteries

Journal of the American Chemical Society
Lithium-sulfur (Li-S) batteries are promising in achieving high energy density but inferior in cycling lifespan since Li polysulfides (LiPSs) corrode Li metal anode. Weakening the electrolyte solvating power (ESP) for LiPSs effectively mitigates anodic corrosion but inevitably retards cathodic reaction kinetics.
Xi-Yao Li, Bo-Quan Li, Shuai Feng, Zheng Li, Liang Shen, Shu-Yu Sun, Zi-Xian Chen, Tian Jin, Xiang Chen, Meng Zhao, Xue-Qiang Zhang, Jia-Qi Huang, Qiang Zhang   +12 more
openaire   +3 more sources

Chemical Immobilization Effect on Lithium Polysulfides for Lithium–Sulfur Batteries

Small, 2017
AbstractDespite great progress in lithium–sulfur batteries (LSBs), great obstacles still exist to achieve high loading content of sulfur and avoid the loss of active materials due to the dissolution of the intermediate polysulfide products in the electrolyte.
Caixia Li, Zhucong Xi, Dexiang Guo, Xiangju Chen, Longwei Yin   +4 more
openaire   +3 more sources

Direct Visualization of Lithium Polysulfides and Their Suppression in Liquid Electrolyte

Nano Letters, 2020
Understanding of lithium polysulfide (Li-PS) formation and the shuttle phenomenon is essential for practical application of the lithium/sulfur (Li/S) cell, which has superior theoretical specific energy (2600 Wh/kg). However, it suffers from the lack of direct observation on behaviors of soluble Li-PS in liquid electrolytes.
Hyeon Kook Seo, Yoon Hwa, Joon Ha Chang, Jae Yeol Park, Jae Sang Lee, Jungjae Park, Elton J. Cairns, Jong Min Yuk   +7 more
openaire   +3 more sources

Weakening the Solvating Power of Solvents to Encapsulate Lithium Polysulfides Enables Long‐Cycling Lithium–Sulfur Batteries

Advanced Materials, 2022
Long cycling lifespan is a prerequisite for practical lithium–sulfur batteries yet is restricted by side reactions between soluble polysulfides and the lithium‐metal anode.
Li-Peng Hou, Nan Yao, Chen-Xi Bi
exaly   +2 more sources

N, S‐Coordinated Co Single Atomic Catalyst Boosting Adsorption and Conversion of Lithium Polysulfides for Lithium‐Sulfur Batteries

Small, 2022
Boosting reversible solid-liquid phase transformation from lithium polysulfides to Li2 S and suppressing the shuttling of lithium polysulfides from the cathode to the lithium anode are critical challenges in lithium-sulfur batteries.
Qiurong Long, Zhouguang Lu
exaly   +2 more sources

Freestanding and Sandwich MXene-Based Cathode with Suppressed Lithium Polysulfides Shuttle for Flexible Lithium-Sulfur Batteries.

Nano letters (Print), 2022
Flexible lithium-sulfur (Li-S) batteries with high mechanical compliance and energy density are highly desired. This manuscript reported that large-area freestanding MXene (Ti3C2Tx) film has been obtained through a scalable drop-casting method ...
X. Zhong, Dashuai Wang, Jinzhi Sheng, Zhiyuan Han, Chong Sun, J. Tan, Runhua Gao, Wei Lv, Xiaomin Xu, Guo-dan Wei, X. Zou, Guangmin Zhou   +11 more
semanticscholar   +1 more source

Molybdenum carbide nanostructures for electrocatalytic polysulfide conversion in lithium–polysulfide batteries

Nanoscale Horizons, 2020
Introduction of appropriate cathode electrocatalysts in lithium–sulfur or lithium–polysulfide batteries can accelerate the polysulfide interconversion and suppress the shuttle effect.
Yunling Wu, Jun Deng, Yuan Zhou, Yang Huang, Yanguang Li   +4 more
openaire   +2 more sources