Results 31 to 40 of about 574,864 (302)

Isolated Fe-Co heteronuclear diatomic sites as efficient bifunctional catalysts for high-performance lithium-sulfur batteries

open access: yesNature Communications, 2023
The slow redox kinetics of polysulfides and the difficulties in decomposition of Li2S are two serious obstacles to lithium-sulfur batteries. Here, the authors report an isolated Fe-Co heteronuclear diatomic catalyst to achieve high efficiency ...
Xun Sun   +9 more
doaj   +1 more source

A study of the effects of external pressure on the electrical performance of a lithium-ion pouch cell [PDF]

open access: yes, 2013
The introduction of lithium-ion batteries for vehicle powertrain electrification has increased in recent years. They feature high energy density, high power density, long cycle life, and is also environmentally friendly compared with other types of ...
McGordon, Andrew   +7 more
core   +1 more source

Synergistic Integration of Fe-N<sub>4</sub> Single-Atom Sites and Directionally Aligned Electrode Architecture for High-Performance Lithium-Sulfur Batteries. [PDF]

open access: yesAdv Sci (Weinh)
A directionally ice‐templated sulfur cathode integrated with atomically dispersed Fe–N4 catalytic sites is developed for high‐performance lithium–sulfur batteries. The structure–catalysis synergy accelerates Li+ transport and polysulfide conversion, leading to high sulfur utilization and stable long‐term cycling performance.
Shen L   +8 more
europepmc   +2 more sources

Lithium conducting solid electrolyte Li1.3Al0.3Ti1.7(PO4)3 obtained via solution chemistry [PDF]

open access: yes, 2013
NaSICON-type lithium conductor Li1.3Al0.3Ti1.7(PO4)3 (LATP) is synthesized with controlled grain size and composition using solution chemistry. After thermal treatment at 850 C, sub-micronic crystallized powders with high purity are obtained.
TABERMA, Pierre-Louis   +12 more
core   +1 more source

Advance of Metal Compound Cathodes in Lithium Sulfur Batteries [PDF]

open access: yesE3S Web of Conferences
With the rapid development of technology, people’s demand for energy is increasing day by day. Many energy devices electric vehicles and other technological products require high-energy lithium secondary batteries to operate.
Liu Zhaohui, Sun Yaxuan, Xu Heyang
doaj   +1 more source

Lithium-Sulfur Batteries Employing Hybrid-electrolyte Structure with Li7La3Zr2O12 at Middle Operating Temperature: Effect of Li Salts Concentration on Electrochemical Performance

open access: yesElectrochemistry, 2021
All solid state Lithium-Sulfur batteries can effectively solve the problem of the conventional Li-S batteries with a liquid electrolyte. However, they still do not achieve sufficient cycle stability and rate capability because of high interfacial ...
Koshin TAKEMOTO   +4 more
doaj   +1 more source

Research Progress of Key Components in Lithium-Sulfur Batteries

open access: yes, 2020
锂硫电池因具有远高于传统锂离子电池的理论比容量和质量能量密度,而受到人们的广泛关注,近年来一直是高能锂金属电池领域的研究热点之一. 然而这一体系的一些固有特性问题依然没有得到解决,无法实现稳定理论容量输出,严重阻碍了锂硫电池的实际应用. 其中,比较突出的问题是电池充放电过程中生成可溶性中间产物-多硫化物-对硫基正极、锂基负极和电解液等电池关键组成部分具有深刻的影响.
董全峰   +3 more
core   +1 more source

The Role of Cellulose Based Separator in Lithium Sulfur Batteries [PDF]

open access: yes, 2019
International audienceIn this work, abundant and environmentally friendly nano-fibrillated (NFC) cellulose is used for fabrication of porous separator membranes according to the procedure adopted from papermaking industry. As-prepared NFC separators were
Dedryvère, Rémi   +6 more
core   +1 more source

Pitaya-Like Sulfur Electrodes by Chemically Anchored Polyaniline Shell for Lithium–Sulfur Batteries

open access: yesInternational Journal of Electrochemical Science, 2017
Lithium–sulfur batteries are an attractive technology due to the light weight and low cost of sulfur, and a high theoretical specific capacity and specific energy compared to current lithium-ion batteries.
Yan Wang, Wenxuan Wang
doaj   +1 more source

Artificial dual solid-electrolyte interfaces based on in situ organothiol transformation in lithium sulfur battery

open access: yesNature Communications, 2021
Lithium-sulfur batteries suffer from the shuttle effect of lithium polysulfides and interfacial instability of the lithium metal anode. Here, the authors use 1,3,5-benzenetrithiol as an electrolyte additive to protect sulfur cathode and lithium metal ...
Wei Guo   +5 more
doaj   +1 more source

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