Honeycomb porous N-doped carbon synergized with ultrafine Ni2P electrocatalyst for boosting polysulfide conversion in lithium–sulfur batteries

Heng Zhang,Yafei An,Shiwen Li,Zhaolei Li,Dongxiang Geng,Dawei Sha,Long Pan, Guanglin Qiu,Chao Yan

Electrochimica Acta（2023）

引用 4|浏览6

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摘要

•Ultrafine Ni2P nanodots decorated porous N-doped carbon was fabricated by a facile chelate-phosphating strategy.•Ni2P electrocatalysts effectively enhanced chemisorption, accelerated LiPS conversion, and regulated Li2S precipitation.•The Li–S cell with Ni2P@PNC/S cathode under lean electrolyte system achieved outstanding electrochemical performance.

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关键词

Lithium–sulfur battery,Shuttle effect,Transitional metal phosphide,Electrocatalyst,Redox kinetics

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