Nitrogen, phosphorus co-doped porous carbon originated from egg white for advanced lithium-sulfur battery

Jiarui Huang*, Nannan Wang, Jun Wang, Ningning Huang, Maryam Bayati, Terence Liu

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

2 Citations (Scopus)

Abstract

N, P co-doped micro-/meso-/macroporous carbon originated from egg white using freeze drying followed by carbonization method. The porous carbon derived from protein provides moderate nitrogen and phosphorus doping in carbon matrix. When used for sulfur host and the cathode with a sulfur loading of 0.57 mg cm−2 demonstrates brilliant battery performance with a first capacity of 1635 mAh g−1 at 0.1 A g−1 and kept at 762 mAh g−1 after 100 cycles, remarkable rate capabilities of 1352, 1017, 961 and 701 mAh g−1 at 0.1, 0.2, 0.5 and 1.0 A g−1. The excellent stability and rate performance are due to the N, P co-dopants and porous structure, which have strong adsorption effect to the soluble polysulphides.

Original languageEnglish
Article number115362
Number of pages10
JournalJournal of Electroanalytical Chemistry
Volume894
Early online date13 May 2021
DOIs
Publication statusPublished - 1 Aug 2021

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