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author:

Zhang, Xiang (Zhang, Xiang.) [1] | Zhou, Jun (Zhou, Jun.) [2] | Zheng, Yuying (Zheng, Yuying.) [3] (Scholars:郑玉婴) | Chen, Dongyang (Chen, Dongyang.) [4]

Indexed by:

EI Scopus SCIE

Abstract:

Coordination compound derivates (CCDs) have been widely applied in lithium-ion batteries (LIBs). However, the functionalization of CCDs with open structure and heteroatomic doping is still challenging. Herein, an effective functionalization strategy is presented to prepare a kind of CCD, where Co0.85Se nanoparticles are encapsulated by nitrogen-enriched hierarchically porous carbon (CS/NPC) based on the heat treatment of a cobalt-complexed hexamethylolmelamine-polyvinylpyrrolidone resin (Co2+/HPR). The abundant free volume and enriched N species of the HPR are responsible for the hierarchically porous configuration and high N-doping of the composites. By controlling the content of cobalt salt and the heating rate, high specific surface area (440.7 m(2) g(-1)), high N-doping (8.54 atom %), and suitable mass loading of Co0.85Se (55.5%) were simultaneously achieved in CS-2/NPC-5, which delivers high reversible capacity (758.5 mAh g(-1) at 0.1 A g(-1)), outstanding rate capability (401.7 mAh g(-1) at 5 A g(-1)), and excellent cycling durability (638.4 mAh g(-1) at 1 A g(-1) after 200 cycles), suggesting a promising candidate for LIB anode materials.

Keyword:

cobalt selenide coordination compound derivates lithium-ion batteries nitrogen doping porous structure

Community:

  • [ 1 ] [Zhang, Xiang]Fuzhou Univ, Coll Mat Sci & Engn, Fuzhou 350116, Peoples R China
  • [ 2 ] [Zhou, Jun]Fuzhou Univ, Coll Mat Sci & Engn, Fuzhou 350116, Peoples R China
  • [ 3 ] [Zheng, Yuying]Fuzhou Univ, Coll Mat Sci & Engn, Fuzhou 350116, Peoples R China
  • [ 4 ] [Chen, Dongyang]Fuzhou Univ, Coll Mat Sci & Engn, Fuzhou 350116, Peoples R China
  • [ 5 ] [Zheng, Yuying]Key Lab New Rubber & Plast Mat, Quanzhou 362211, Peoples R China
  • [ 6 ] [Zheng, Yuying]Chenqi New Mat Technol Co Ltd, Quanzhou 362200, Peoples R China

Reprint 's Address:

  • 郑玉婴 陈栋阳

    [Zheng, Yuying]Fuzhou Univ, Coll Mat Sci & Engn, Fuzhou 350116, Peoples R China;;[Chen, Dongyang]Fuzhou Univ, Coll Mat Sci & Engn, Fuzhou 350116, Peoples R China;;[Zheng, Yuying]Key Lab New Rubber & Plast Mat, Quanzhou 362211, Peoples R China;;[Zheng, Yuying]Chenqi New Mat Technol Co Ltd, Quanzhou 362200, Peoples R China

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Source :

ACS APPLIED MATERIALS & INTERFACES

ISSN: 1944-8244

Year: 2020

Issue: 8

Volume: 12

Page: 9236-9247

9 . 2 2 9

JCR@2020

8 . 5 0 0

JCR@2023

ESI Discipline: MATERIALS SCIENCE;

ESI HC Threshold:196

JCR Journal Grade:1

CAS Journal Grade:2

Cited Count:

WoS CC Cited Count: 31

SCOPUS Cited Count: 32

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 0

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