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| Content Provider | Royal Society of Chemistry (RSC) |
|---|---|
| Author | Xia, Xueke Xie, Jian Zhang, Shichao Cao, Gaoshao Zhao, Xinbing Pan, Bin |
| Copyright Year | 2017 |
| Abstract | Owing to the increasing concerns regarding limited lithium reserves, sodium-ion batteries (SIBs) have attained worldwide attention in recent years. However, there is still a challenge to find suitable anodes for SIBs with high capacity and a long cycle life. In this work, we propose a unique feather-like array-type anode composed of thin Ni3S2 nanosheets anchored on cracked carbon submicron tubes (CSTs) on a porous Ni foam substrate. The porous structure of the Ni foam facilitates electrode wetting by the electrolyte. The voids in between the Ni3S2/CST arrays provide free space for buffering volume changes upon sodiation/desodiation. The CSTs not only act as the support for Ni3S2 growth but also uniformly disperse the Ni3S2 nanosheets, leading to high capacity and good capacity retention. The Ni-supported Ni3S2/CSTs can deliver a high initial reversible capacity of 887 mA h g−1 at 50 mA g−1. The reversible capacity can be kept at 212 mA h g−1 after 260 cycles. This work will shed light on the design of high-performance SIB anodes. |
| Starting Page | 131 |
| Ending Page | 138 |
| Page Count | 8 |
| File Format | HTM / HTML PDF |
| ISSN | 20521553 |
| Volume Number | 4 |
| Issue Number | 1 |
| Journal | Inorganic Chemistry Frontiers |
| DOI | 10.1039/c6qi00286b |
| Language | English |
| Publisher | Royal Society of Chemistry |
| Access Restriction | Open |
| Subject Keyword | SIB Lithium Anode Carbon CSTS Electrode Electrolyte Central Time Zone |
| Content Type | Text |
| Resource Type | Article |
| Subject | Inorganic Chemistry |
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