Layered SnS2-Reduced Graphene Oxide Composite – A High-Capacity, High-Rate, and Long-Cycle Life Sodium-Ion Battery Anode Material
Baihua Qu,Baihua Qu,Chuze Ma,Ge Ji,Chaohe Xu,Jing Xu,Ying Shirley Meng,Taihong Wang,Jim Yang Lee +8 more
TL;DR: A layered SnS2-reduced graphene oxide (SnS 2-RGO) composite is prepared by a facile hydrothermal route and evaluated as an anode material for sodium-ion batteries (NIBs).
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Abstract: Author(s): Qu, Baihua; Ma, Chuze; Ji, Ge; Xu, Chaohe; Xu, Jing; Meng, Ying Shirley; Wang, Taihong; Lee, Jim Yang | Abstract: A layered SnS2-reduced graphene oxide (SnS2-RGO) composite is prepared by a facile hydrothermal route and evaluated as an anode material for sodium-ion batteries (NIBs). The measured electrochemical properties are a high charge specific capacity (630 mAh g-1 at 0.2 A g-1) coupled to a good rate performance (544 mAh g-1 at 2 A g-1) and long cycle-life (500 mAh g-1 at 1 A g -1 for 400 cycles). © 2014 WILEY-VCH Verlag GmbH a Co. KGaA, Weinheim.
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Figures
Figure 3. a) Long-term cycle stability of the SnS 2 -RGO electrode (0.2 A g −1 for the fi rst fi ve cycles and 1 A g −1 for the next 400 cycles. b) Voltage profi les of the three different SnS 2 -G electrodes in the 200 th cycle. c) The cycle stability of three different batches of SnS 2 -RGO electrodes. 
Figure 4. a) Voltage profi les of a full Na + cell consisting of Na 0.80 Li 0.12 Ni 0.22 Mn 0.66 O 2 cathode and SnS 2 -RGO anode between 1.0 and 4.2 V at 0.334 mA. b) Cycling performance of the Na + full cell consisting of Na 0.80 Li 0.12 Ni 0.22 Mn 0.66 O 2 cathode and SnS 2 -RGO anode.
Citations
Reductive hybridization route with exfoliated graphene oxide and MoS2 nanosheets to efficient electrode materials
TL;DR: In this article, a mesoporous MoS 2 -graphene nanohybrid with excellent electrode activity can be synthesized by the reductive hybridization of exfoliated MoS2 and graphene oxide (G-O) nanosheets under hydrothermal condition.
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Synergistically Coupling Atomic-Level Defect-Manipulation and Nanoscopic-Level Interfacial Engineering Enables Fast and Durable Sodium Storage.
Wenxi Zhao,Xiaoqing Ma,Xiaodeng Wang,Hao Zhou,Xun He,Yongchao Yao,Yu He Ren,Yongsong Luo,Dongdong Zheng,Sheng-Nan Sun,Qian Liu,Luming Li,Wei Chu,Yan Wang,Xuping Sun +14 more
TL;DR: Researchers develop a 3D biconcave anode with defective-rich SnSSe nanosheets encapsulated in carbon, enhancing sodium storage performance through accelerated ion migration, widened interlayer spacing, and relieved volume expansion.
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Tube-on-rod structure of MWCNTs-ammonium cobalt vanadium oxide/ammonium vanadium oxide; evaluation of electrochemical hydrogen storage capacity
Poria Gomrokchi,Mehdi Shabani‐Nooshabadi,Maryam Ghiyasiyan-Arani,Masoud Salavati‐Niasari +3 more
TL;DR: Tube-on-rod structure of MWCNTs-ammonium cobalt vanadium oxide/ammonium vanadium oxide enhances hydrogen storage capacity. The optimized electrode material based on 5% MWCNTs exhibits a high capacity of 1055 mAhg−1.
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