Honeycomb-inspired design of ultrafine SnO2@C nanospheres embedded in carbon film as anode materials for high performance lithium- and sodium-ion battery

Ao, Xiang; Jiang, Jianjun; Ruan, Yunjun; Li, Zhishan; Zhang, Yi; Sun, Jianwu; Wang, Chundong

doi:10.1016/j.jpowsour.2017.05.064

Cited by 127 publications

(68 citation statements)

References 63 publications

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“…The anodic scan shows almost similar behaviour for the first and the subsequent cycles surface. [80,109] However, most conversion reactions in the CF@SnO 2 -NS@AC structure may be more reversible than other SnO 2 -based electrodes, which also can be verified by the CV (Fig. 5a) and GCD (Fig.…”

Section: Resultssupporting

confidence: 54%

A textile-based SnO2 ultra-flexible electrode for lithium-ion batteries

Min

Sun

Chen

et al. 2019

Energy Storage Materials

164

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The advancements in wearable electronic devices make it urgent to develop highperformance flexible lithium-ion batteries (LIBs) with excellent mechanical and electrochemical properties. Herein, we design a new 3D hierarchical hybrid sandwich flexible structure by anchoring SnO 2 nanosheets (SnO 2-NSs) on flexible carbon cloth and coating with thin amorphous carbon (AC) layer (CF@SnO 2-NS@AC). The carbon cloth substrate works as the backbone and the current collector, while the thin AC layer provides extra support during the electrode expansion. The new architecture can be utilised as a binder-free electrode and presents extraordinary mechanical flexibility and outstanding electrical stability under external stresses. The new electrode can deliver a specific capacity as high as 968.6 mAh g-1 after 100 cycles at 85 mA g-1 , which also shows remarkable rate capability and an excellent high current cycling stability. The outstanding electrochemical performance combined with the high mechanical flexibility and invariable electrical conductivity during/after different bending cycles make the new structure a promising oxide anode for flexible batteries. With the possibility of using a similar approach to design flexible cathode, the present work opens the door to empower the next-generation wearable devices and smart clothes with a robust and reliable battery.

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Section: Resultssupporting

confidence: 54%

A textile-based SnO2 ultra-flexible electrode for lithium-ion batteries

Min

Sun

Chen

et al. 2019

Energy Storage Materials

164

View full text Add to dashboard Cite

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“…Aa a result, multitudinous exquisite morphological engineering toward highly hierarchical structures have been under study, to fulfil the Sn stress relaxation during the lithiation process. For instance, the marked boosts of long-cycle stability have come true by exploiting the sub-10-nm-sized Sn/SnO 2 -based nanoparticles encapsulated inside the nitrogen/phosphorus co-doped hierarchically porous carbon and reduced graphene oxides [14], a mesoporous carbon@SnO 2 @ carbon hollow nanosphere with dual shells [33], the Sn-SnO 2 hybrid nanoclusters embedded inside carbon nanotubes [34], the heterostructured SnS-ZnS@C hollow nanoboxes embedded in the graphene [35], the carbon-coated SnO 2 -CoO yolk-shell microspheres [36], the double shell micro-cube assembled by nanosized Co 3 Sn 2 /SnO 2 heterostructures with amorphous carbon layers wrapped inside the three-dimensional graphene matrix [37], a mixture of porous hollow SnO 2 nanocube and graphene aerogel [38], the novel honeycomb-like composite composing of the carbon encapsulated SnO 2 nanospheres embedded in the carbon film [39], the sandwich-like C@SnO 2 /Sn/void@C hollow spheres [40], the carambola-shaped SnO 2 wrapped within the carbon nanotube network [41], the core-shell structured Cu 6 Sn 5 @SnO 2 -C nanocomposites [42], the chestnut-like SnO 2 /SnO 2 /C nanocomposites with the hierarchical structures [43], and the ultrafine SnO 2 aggregates in interior of porous carbon nanotubes [44]. Disappointingly, the realistic usage of such examples has been hampered by the small tap density [26,27] of the hierarchical layouts, as a consequence of the existence of empty room/volume and other topological problems.…”

Section: Resultsmentioning

confidence: 99%

Bulk-Like SnO2-Fe2O3@Carbon Composite as a High-Performance Anode for Lithium Ion Batteries

et al. 2020

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Boosted power handling and the reduced charging duration of Li ion cells critically rests with ionic/electronic mobility. Ion mobility in electrochemically relevant grains normally stands for an essential restriction of the velocity at which the energy of a cell can be stored/released. To offset sluggish solid-state ionic transport and achieve a superior power/energy density rating, electroactive grains often need exquisite nanoscaling, harming crucial virtues on volumetric packing density, tractability, sustainability, durability, and cost. Unlike elaborate nanostructuring, here we describe that a SnO2-Fe2O3@carbon composite—which adopts a metal oxide particles-intercalated bulk-like configuration—can insert many Li+ ions at elevated speeds, despite its micro-dimensionality. Analysis of charge transport kinetics in this tailor-made architecture unveils both much improved ion travel through compact monolithic substances and the greatly enhanced ion access to surfaces of SnO2/Fe2O3 grains. According to the well-studied battery degradation mechanism, it is that both the effective stress management and internal electric field in our as-prepared sample that result in recommendable capacity, rate behavior, and cyclic lifespan (exhibiting a high reversible capacity of 927 mAh g−1 at 0.2 A g−1 with a capacity retention of 95.1% after 100 cycles and an ultra-stable capacity of 429 mAh g−1 even over 1800 cycles at 3 A g−1). Unique materials and working rationale which ensure the swift (de)lithiation of such micrometer-dimensional monoliths may open a door for various high-power/density usages.

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“…[41][42][43][44] Although they showed better electrochemical performance than pristine materials without hollow structure, it seems that the simple hollow structured anodes fail to achieve a satisfactory performance, which is in contrast to the simple hollow structured anodes for lithium-ion batteries. On the other hand, several simple hollow structured "alloying and conversion" anodes have been reported.…”

Section: Complex Hollow Structuresmentioning

confidence: 99%

“…The enhanced cycling performance was attributed to the PANI buffer layer, which is beneficial for alleviating the volume change and prevent agglomeration ( Figure 2D-F). [44,58,59] Therefore, employing confinement is a useful approach to optimize the performance of hollow structured anodes for sodiumion batteries. [57] With the inner voids, the hollow structure is naturally well suited to alleviate the volume change.…”

Section: Hollow Structured Anodes With Confinementsmentioning

confidence: 99%

The Application of Hollow Structured Anodes for Sodium‐Ion Batteries: From Simple to Complex Systems

et al. 2018

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Hollow structures exhibit fascinating and important properties for energy-related applications, such as lithium-ion batteries, supercapacitors, and electrocatalysts. Sodium-ion batteries, as analogs of lithium-ion batteries, are considered as promising devices for large-scale electrical energy storage. Inspired by applications of hollow structures as anodes for lithium-ion batteries, the application of these structures in sodium-ion batteries has attracted great attention in recent years. However, due to the difference in lithium and sodium-ion batteries, there are several issues that need to be addressed toward rational design of hollow structured sodium anodes. Herein, this research news article presents the recent developments in the synthesis of hollow structured anodes for sodium-ion batteries. The main strategies for rational design of materials for sodium-ion batteries are presented to provide an overview and perspectives for the future developments of this research area.

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Honeycomb-inspired design of ultrafine SnO2@C nanospheres embedded in carbon film as anode materials for high performance lithium- and sodium-ion battery

Cited by 127 publications

References 63 publications

A textile-based SnO2 ultra-flexible electrode for lithium-ion batteries

A textile-based SnO2 ultra-flexible electrode for lithium-ion batteries

Bulk-Like SnO2-Fe2O3@Carbon Composite as a High-Performance Anode for Lithium Ion Batteries

The Application of Hollow Structured Anodes for Sodium‐Ion Batteries: From Simple to Complex Systems

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