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Download fileAdvanced Configuration of N‑Enriched Carbonized Tissue Paper as a Free-Standing Interlayer for Lithium–Sulfur Batteries at Wide-Range Temperatures
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posted on 2021-09-08, 17:10 authored by Rabia Khatoon, Yichuan Guo, Sanam Attique, Nasir Ali, Azim Uddin, Yang Tian, Haichao Tang, Xiang Gao, Qinggang He, Zhou Peng Li, Zhizhen Ye, Jianguo LuLithium–sulfur
(Li–S) batteries with stable cyclic
life, high sulfur loading greater than 70 wt % S, and operating in
a wide range of temperatures have gained a competitive edge for promising
applications. However, the low sulfur loading, shuttling effect, poor
cycling stability, fast capacity fading, volume expansion, and limited
operating temperature conditions limit their practical applications.
Herein, we have designed a nitrogen-enriched functionalized carbon-based
interlayer using waste tissue paper. The nitrogen-enriched interwoven
fibrous interlayer sieved Li+ and confined the polysulfides
within the high-sulfur (75 wt % S)-loaded cathodes. The battery exhibited
a 1256 mA h g–1 capacity at 0.1C at 25 °C.
At 1C, it attained 789 mA h g–1 and maintained 738
mA h g–1 over 500 cycles with a capacity retention
of 72%. A wide range of temperatures from 0 to 70 °C is suitable
for a Li–S battery. At 70 °C, the Li–S battery
delivered an outstanding cyclic performance at 1C over 500 cycles
with a capacity retention of 94.5%, an ultrahigh efficiency of 96%,
and 0.01% capacity fade per cycle. Therefore, the facile strategy
for the fabrication of the interlayer with the special network was
effective for achieving high-performance Li–S batteries.
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sup >+</ supstable cyclic lifepoor cycling stabilityoutstanding cyclic performanceenriched functionalized carbon25 ° c)- loaded cathodes70 ° cperformance li –low sulfur loadingfast capacity fadingli –70 wtvolume expansionultrahigh efficiencyspecial networkshuttling effectpromising applicationspractical applicationspolysulfides withinmaintained 738h gfacile strategycompetitive edgecapacity retentionattained 789advanced configuration96 %,75 wt72 %.500 cycles5 %,