Facile synthetic strategy to uniform Cu^sub 9^S^sub 5^ embedded into carbon: A novel anode for sodium-ion batteries

Utilizing copper coordination compound as Cu, S, N and C sources, nano-sized Cu9S5 coated with N, S co-doped carbon (NSC) has been prepared via one-step calcination. The uniform nanosize Cu9S5 were well coated by NSC with the thickness of about 4 nm. The Cu9S5/NSC composite as a new anode for sodium...

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Published in:Journal of alloys and compounds 2018-09, Vol.762, p.473
Main Authors: Jing, Mingjun, Li, Fangyi, Chen, Mengjie, Zhang, Jiaheng, Long, Fengliang, Jing, Luming, Lv, Xiaopei, Ji, Xiaobo, Wu, Tianjing
Format: Article
Language:English
Subjects:
Alloys
Anodes
Batteries
Bonding strength
Carbon
Coordination compounds
Copper
Copper compounds
Ions
Rechargeable batteries
Sodium
Sodium-ion batteries
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container_title Journal of alloys and compounds
container_volume 762
creator Jing, Mingjun
Li, Fangyi
Chen, Mengjie
Zhang, Jiaheng
Long, Fengliang
Jing, Luming
Lv, Xiaopei
Ji, Xiaobo
Wu, Tianjing
description Utilizing copper coordination compound as Cu, S, N and C sources, nano-sized Cu9S5 coated with N, S co-doped carbon (NSC) has been prepared via one-step calcination. The uniform nanosize Cu9S5 were well coated by NSC with the thickness of about 4 nm. The Cu9S5/NSC composite as a new anode for sodium-ion battery shows high reversible charge specific capacity of 412.0 mAh g−1 at 100 mA g−1 and good capacity retention after 200 cycles, which is attributed to the encapsulated structure and strong binding interaction between Cu9S5 and NSC (bridge bonds of C-S-Cu and C-O-Cu).
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The Cu9S5/NSC composite as a new anode for sodium-ion battery shows high reversible charge specific capacity of 412.0 mAh g−1 at 100 mA g−1 and good capacity retention after 200 cycles, which is attributed to the encapsulated structure and strong binding interaction between Cu9S5 and NSC (bridge bonds of C-S-Cu and C-O-Cu).</description><identifier>ISSN: 0925-8388</identifier><identifier>EISSN: 1873-4669</identifier><language>eng</language><publisher>Lausanne: Elsevier BV</publisher><subject>Alloys ; Anodes ; Batteries ; Bonding strength ; Carbon ; Coordination compounds ; Copper ; Copper compounds ; Ions ; Rechargeable batteries ; Sodium ; Sodium-ion batteries</subject><ispartof>Journal of alloys and compounds, 2018-09, Vol.762, p.473</ispartof><rights>Copyright Elsevier BV Sep 25, 2018</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,776,780</link.rule.ids></links><search><creatorcontrib>Jing, Mingjun</creatorcontrib><creatorcontrib>Li, Fangyi</creatorcontrib><creatorcontrib>Chen, Mengjie</creatorcontrib><creatorcontrib>Zhang, Jiaheng</creatorcontrib><creatorcontrib>Long, Fengliang</creatorcontrib><creatorcontrib>Jing, Luming</creatorcontrib><creatorcontrib>Lv, Xiaopei</creatorcontrib><creatorcontrib>Ji, Xiaobo</creatorcontrib><creatorcontrib>Wu, Tianjing</creatorcontrib><title>Facile synthetic strategy to uniform Cu^sub 9^S^sub 5^ embedded into carbon: A novel anode for sodium-ion batteries</title><title>Journal of alloys and compounds</title><description>Utilizing copper coordination compound as Cu, S, N and C sources, nano-sized Cu9S5 coated with N, S co-doped carbon (NSC) has been prepared via one-step calcination. 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subjects Alloys
Anodes
Batteries
Bonding strength
Carbon
Coordination compounds
Copper
Copper compounds
Ions
Rechargeable batteries
Sodium
Sodium-ion batteries
title Facile synthetic strategy to uniform Cu^sub 9^S^sub 5^ embedded into carbon: A novel anode for sodium-ion batteries
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