MnO 2 –graphene nanosheets wrapped mesoporous carbon/sulfur composite for lithium–sulfur batteries | Zendy

Zhengzheng Li | Zendy

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MnO ₂ –graphene nanosheets wrapped mesoporous carbon/sulfur composite for lithium–sulfur batteries

Author(s) -

Zhengzheng Li

Publication year - 2018

Publication title -

royal society open science

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.84

H-Index - 51

ISSN - 2054-5703

DOI - 10.1098/rsos.171824

Subject(s) - graphene , materials science , cathode , composite number , sulfur , mesoporous material , lithium (medication) , carbon fibers , chemical engineering , electron transfer , redox , inorganic chemistry , nanotechnology , composite material , chemistry , organic chemistry , catalysis , medicine , endocrinology , engineering , metallurgy

MnO 2 –graphene nanosheets wrapped mesoporous carbon/sulfur (MGN@MC/S) composite is successfully synthesized derived from metal–organic frameworks and investigated as cathode for lithium-ion batteries. Used as cathode, MGN@MC/S composite possesses electronic conductivity network for redox electron transfer and strong chemical bonding to lithium polysulfides, which enables low capacity loss to be achieved. MGN@MC/S cathodes exhibit high reversible capacity of 1475 mA h g −1 at 0.1 C and an ultra-low capacity fading of 0.042% per cycle at 1 C over 450 cycles.

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