Results 101 to 110 of about 2,413 (206)

Atomic tuning of TixCr1−xN catalysts to enhance the polysulfide trapping and conversion in lithium–sulfur batteries

open access: yesNano Research
Lithium–sulfur (Li–S) batteries face critical challenges, including sluggish polysulfide redox kinetics and the shuttle effect. This study presents a novel self-supporting carbon nanofibers (CNFs) decorated with TixCr1−xN (TCN) solid–solution ...
Jiyuan Zhang   +9 more
doaj   +1 more source

Magnetic Field-Controlled Lithium Polysulfide Semiliquid Battery with Ferrofluidic Properties

open access: yes, 2015
Large-scale energy storage systems are of critical importance for electric grids, especially with the rapid increasing deployment of intermittent renewable energy sources such as wind and solar.
Xinyong Tao (1401190)   +6 more
core   +1 more source

Unraveling Synergistic Regulation Mechanism in Nitrogen/Sulfur Co‐Doped Biomass‐Derived Hard Carbon Toward Durable Sodium‐Ion Battery Anodes

open access: yesENERGY &ENVIRONMENTAL MATERIALS, EarlyView.
Nitrogen/sulfur co‐doping optimizes the electron and spatial structure of biomass‐derived hard carbon, and the anode demonstrates superior long‐term cycling stability over 2000 cycles, validating an improved “adsorption‐intercalation‐pore filling” mechanism.
Qian Long   +8 more
wiley   +1 more source

RuO2‐Based High‐Entropy Oxide and Its Asymmetric Catalysis on Polysulfide Conversion in Lithium–Sulfur Batteries

open access: yesENERGY &ENVIRONMENTAL MATERIALS, EarlyView.
RuO2‐based high‐entropy metal oxide shows an asymmetric catalysis on polysulfide conversion with an inferior kinetics enhancement of polysulfide generation, but a superior promotion of Li2S deposition, which greatly favors the inhibition of shuttle effect and the improvement of battery performance. High‐entropy oxides with five or more metal components
Jingyi Zhou   +5 more
wiley   +1 more source

A Graphite-Polysulfide Full Cell with DME-Based Electrolyte

open access: yes, 2016
Over the last decade, vast improvements have been made in the field of lithium-sulfur batteries bringing it a step closer to reality. In this field of research, deep understanding of the polysulfide shuttle phenomenon and their affinity with carbons ...
Wu, Min, Fu, Yongzhu, Bhargav, Amruth
core   +1 more source

A porous 3D-RGO@MWCNT hybrid material as Li–S battery cathode

open access: yesBeilstein Journal of Nanotechnology, 2019
In this work, a unique three-dimensional (3D) structured carbon-based composite was synthesized. In the composite, multiwalled carbon nanotubes (MWCNT) form a lattice matrix in which porous spherical reduced graphene oxide (RGO) completes the 3D ...
Yongguang Zhang   +5 more
doaj   +1 more source

The Dimensional Revolution of Phosphorus: From Allotropicity to Battery System Applications

open access: yesENERGY &ENVIRONMENTAL MATERIALS, EarlyView.
Phosphorus‐based materials are promising high‐capacity anodes classified by dimension (0D–3D) to systematically explore their properties and composite strategies. When combined with materials such as carbon to form heterostructures, the electrical conductivity and stability are effectively enhanced.
Shuhan Zhang   +8 more
wiley   +1 more source

Entropy‐Driven Innovations: Entropy Stabilized Oxides for High‐Performance Next‐Generation Lithium–Sulfur Batteries

open access: yesENERGY &ENVIRONMENTAL MATERIALS, EarlyView.
This article explores high‐entropy‐stabilized oxides (HEOs) as novel functional materials for addressing critical issues in lithium–sulfur (Li–S) batteries, including lithium polysulfide (LPS) shuttling, inadequate conductivity, and slow redox kinetics.
Hassan Raza   +10 more
wiley   +1 more source

Dispersible percolating carbon nano-electrodes for improvement of polysulfide utilization in Li-S batteries [PDF]

open access: yes, 2015
Percolating carbon nanoparticles were added into electrolyte to improve the performance of Li-S batteries. These percolating carbon nanoparticles acted as dispersible nanosized electrodes, allowed the direct electrochemical utilization of dissolved ...
Cheng, Hui-Ming   +4 more
core   +1 more source

Enabling High‐Loading Aqueous Zinc–Sulfur Batteries Via a Ni Single‐Atom Catalytic Host with Hierarchical Sulfur Reservoirs

open access: yesENERGY &ENVIRONMENTAL MATERIALS, EarlyView.
A Ni single‐atom‐anchored N‐doped carbon hollow host synergizes atomic Ni‐N4 sites with a hierarchical porous skeleton, enabling high‐sulfur‐loading aqueous Zn–S batteries with high capacity, low polarization, and excellent cycling stability for flexible energy storage.
Zuoshu Wang   +4 more
wiley   +1 more source

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