Journal
ACS APPLIED ENERGY MATERIALS
Volume 4, Issue 9, Pages 10091-10103Publisher
AMER CHEMICAL SOC
DOI: 10.1021/acsaem.1c02008
Keywords
carbonized interlayer; waste tissue paper; free-standing interlayer; physical confinement; chemical adsorption; polysulfide inhibitor; shuttling effect; high/low-temperature LSBs
Funding
- Innovation Platform of Energy Storage Engineering and New Material in Zhejiang University [K19-534202-002]
- Provincial Innovation Team on Hydrogen Electric Hybrid Power Systems in Zhejiang Province
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The nitrogen-enriched functionalized carbon-based interlayer designed using waste tissue paper improved the performance of lithium-sulfur batteries and increased sulfur loading.
Lithium-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 degrees 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 degrees C is suitable for a Li-S battery. At 70 degrees 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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