Diphenyl guanidine as vulcanization accelerators in sulfurized polyacrylonitrile for high performance lithium-sulfur battery
Sign Up to like & getrecommendations! Published in 2020 at "Chemical Engineering Journal"
DOI: 10.1016/j.cej.2020.124378
Abstract: Abstract A comparative study on the effect of different vulcanization accelerators on the electrochemical performance of sulfurized polyacrylonitrile cathodes is conducted for the first time. Compared with these vulcanization accelerators, the sulfurized polyacrylonitrile composite prepared… read more here.
Keywords: vulcanization accelerators; diphenyl guanidine; vulcanization; sulfurized polyacrylonitrile ... See more keywords
Sulfurized-polyacrylonitrile in lithium-sulfur batteries: Interactions between undercoordinated carbons and polymer structure under low lithiation
Sign Up to like & getrecommendations! Published in 2022 at "Journal of Energy Chemistry"
DOI: 10.1016/j.jechem.2021.08.070
Abstract: Abstract Lithium-sulfur battery (LSB) represents an important candidate to be used in energy storage applications, due to its high specific capacities. Sulfurized-polyacrylonitrile (SPAN) is a candidate as a host material in LSB to replace graphite,… read more here.
Keywords: lithiation; host material; sulfurized polyacrylonitrile; lithium sulfur ... See more keywords
Origin of shuttle-free sulfurized polyacrylonitrile in lithium-sulfur batteries
Sign Up to like & getrecommendations! Published in 2021 at "Journal of Power Sources"
DOI: 10.1016/j.jpowsour.2021.229508
Abstract: Abstract Sulfurized polyacrylonitrile (S-cPAN) shows an intrinsic shuttle-free capability during cycling with high reversible capacity, making it a promising material for lithium-sulfur (Li–S) battery. However, the lithiation/delithiation mechanism of S-cPAN is still debatable and unclear.… read more here.
Keywords: sulfurized polyacrylonitrile; origin shuttle; shuttle free; lithium sulfur ... See more keywords
Understanding the Roles of the Electrode/Electrolyte Interface for Enabling Stable Li∥Sulfurized Polyacrylonitrile Batteries.
Sign Up to like & getrecommendations! Published in 2021 at "ACS applied materials & interfaces"
DOI: 10.1021/acsami.1c07903
Abstract: Sulfurized polyacrylonitrile (SPAN) is a promising high-capacity cathode material. In this work, we use spatially resolved X-ray absorption spectroscopy combined with X-ray fluorescence (XRF) microscopy, X-ray photoelectron spectroscopy, and scanning electron microscopy to examine the… read more here.
Keywords: ether based; sulfurized polyacrylonitrile; microscopy; electrolyte interface ... See more keywords
Feasible Catalytic-Insoluble Strategy Enabled by Sulfurized Polyacrylonitrile with In Situ Built Electrocatalysts for Ultrastable Lithium-Sulfur Batteries.
Sign Up to like & getrecommendations! Published in 2021 at "ACS applied materials & interfaces"
DOI: 10.1021/acsami.1c14388
Abstract: To date, elemental sulfur has been considered as a prospective cathode material for exploring high-energy power systems with low cost and sustainability. However, its practical commercialization has been impeded by inherent drawbacks of notorious capacity… read more here.
Keywords: catalytic insoluble; sulfurized polyacrylonitrile; sulfur batteries; feasible catalytic ... See more keywords
Pinned Electrode/Electrolyte Interphase and Its Formation Origin for Sulfurized Polyacrylonitrile Cathode in Stable Lithium Batteries.
Sign Up to like & getrecommendations! Published in 2022 at "ACS applied materials & interfaces"
DOI: 10.1021/acsami.2c16890
Abstract: Sulfurized polyacrylonitrile (SPAN) represents one of the most promising directions for high-energy-density lithium (Li)-sulfur batteries. However, the practical application of Li||SPAN is currently limited by the insufficient chemical/electrochemical stability of electrode/electrolyte interphase (EEI). Here, a… read more here.
Keywords: electrode electrolyte; span; sulfurized polyacrylonitrile; electrolyte interphase ... See more keywords
Recognizing the Mechanism of Sulfurized Polyacrylonitrile Cathode Materials for Li–S Batteries and beyond in Al–S Batteries
Sign Up to like & getrecommendations! Published in 2018 at "ACS Energy Letters"
DOI: 10.1021/acsenergylett.8b01945
Abstract: Sulfurized polyacrylonitrile (SPAN) is the most promising cathode for next-generation lithium–sulfur (Li–S) batteries due to the much improved stability. However, the molecular structure and reaction mechanism have not yet been fully understood. Herein, we present… read more here.
Keywords: sulfurized polyacrylonitrile; mechanism; cathode; lithium ... See more keywords
Sulfurized Polyacrylonitrile as a High-Performance and Low-Volume Change Anode for Robust Potassium Storage.
Sign Up to like & getrecommendations! Published in 2021 at "ACS nano"
DOI: 10.1021/acsnano.1c07990
Abstract: Potassium-ion batteries (KIBs) are considered as low-cost electrochemical energy storage technologies because of the abundant potassium resources. However, the practical applications of KIBs are mainly hampered by the unsatisfactory electrochemical performance of anode materials which… read more here.
Keywords: storage; potassium; sulfurized polyacrylonitrile; volume ... See more keywords
Ether-compatible sulfurized polyacrylonitrile cathode with excellent performance enabled by fast kinetics via selenium doping
Sign Up to like & getrecommendations! Published in 2019 at "Nature Communications"
DOI: 10.1038/s41467-019-08818-6
Abstract: Sulfurized polyacrylonitrile is suggested to contain Sn (n ≤ 4) and shows good electrochemical performance in carbonate electrolytes for lithium sulfur batteries. However inferior results in ether electrolytes suggest that high solubility of Li2Sn (n ≤ 4) trumps the… read more here.
Keywords: sulfurized polyacrylonitrile; ether compatible; performance; selenium doping ... See more keywords
Two Birds with One Stone: Engineering Siloxane-Based Electrolytes for High-Performance Lithium–Sulfurized Polyacrylonitrile Batteries
Sign Up to like & getrecommendations! Published in 2023 at "Journal of Materials Chemistry A"
DOI: 10.1039/d3ta01803b
Abstract: Sulfurized polyacrylonitrile (SPAN) has garnered increased interest for high-energy lithium–sulfur batteries owing to its high specific capacity and remarkable cyclic stability. However, the common electrolytes fail to stabilize both the... read more here.
Keywords: two birds; sulfurized polyacrylonitrile; birds one; lithium ... See more keywords
A Diluted Electrolyte for Long-Life Sulfurized Polyacrylonitrile-Based Anode-Free Li-S Batteries
Sign Up to like & getrecommendations! Published in 2022 at "Polymers"
DOI: 10.3390/polym14163312
Abstract: Lithium-metal batteries have attracted extensive research attention because of their high energy densities. Developing appropriate electrolytes compatible with lithium-metal anodes is of great significance to facilitate their practical application. Currently used electrolytes still face challenges… read more here.
Keywords: diluted electrolyte; anode free; sulfurized polyacrylonitrile; electrolyte long ... See more keywords