Cao Xinxin

Cao Xinxin
Central South University | CSU ·  School of Materials Science and Engineering

PhD

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64
Publications
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3,295
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Publications

Publications (64)
Article
The issues of Zn dendrite and severe Zn²⁺ transport destabilization in the electrode/electrolyte interface have been the main obstacles to the commercialization of aqueous Zn-based batteries. Here, a disordered zinc silicate (ZSO) artificial solid electrolyte interphase with high Zn²⁺ conductivity (9.29 mS·cm⁻¹) is proposed to address these dilemma...
Article
Rechargeable zinc‐ion batteries (ZIBs) are attractive for large‐scale energy storage due to their superiority in resources, safety, and environmental friendliness. However, the lack of suitable ZIBs cathode materials limits their practical applications. In consideration of the excellent electrochemical performance of phosphate materials in monovale...
Article
Sodium-ion batteries and potassium-ion batteries are attracting considerable attention for basic research and practical applications. However, the anode side is the dominative bottleneck which restricts the stability and fast charge/discharge capability of SIBs and PIBs. Heteroatom doping is considered to be an effective method to further improve t...
Article
As a cathode material for Sodium ion batteries, Na3V2(PO4)2F3 (NVPF) with Na superionic conductor (NASICON) structure shows excellent structural stability and high operating voltage but poor electronic conductance. To overcome this defect, [email protected]/CNTs nanocomposites with three-dimensional conductive network are constructed by a facile so...
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Although mild aqueous electrolytes endow zinc‐ion batteries with intrinsic security surpassing that of lithium‐ion batteries, whether irreversible zinc deposition and related corrosion on the anode or cathode species dissolution severely circumscribes their cyclic stability, especially at low current density. Here, hydrogen bond‐functionalized mass...
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Hard carbons are promising anode materials for sodium‐ion batteries. To meet practical requirements, searching for durable and conductive carbon with a stable interface is of great importance. Here, we prepare a series of vanadium‐modified hard carbon submicrospheres by using hydrothermal carbonization followed by high‐temperature pyrolysis. Signif...
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The exploitation of cathode materials with high capacity as well as high operating voltage is extremely important for the development of aqueous zinc-ion batteries (ZIBs). Yet the classical high-capacity materials (e.g., vanadium-based materials) provide a low discharge voltage, while organic cathodes with high operating voltage generally suffer fr...
Article
NASICON-type materials with three-dimensional ionic migration pathways are proposed as the most important cathode candidates for sodium ion batteries. To promote the real applications, Na4MnV(PO4)3 (NMVP) with low cost and high energy density is highly recommended by partial substitution of V with earth-abundant active element Mn. Nevertheless, NMV...
Article
Rapid capacity decay and sluggish reaction kinetics are major barriers hindering the applications of manganese-based cathode materials for aqueous zinc-ion batteries. Herein, the effects of crystal plane on the in-situ transformation behavior and electrochemical performance of manganese-based cathode is discussed. A comprehensive discussion manifes...
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The conventional P2-type cathode material Na0.67Ni0.33Mn0.67O2 suffers from an irreversible P2-O2 phase transition and serious capacity fading during cycling. Here, we successfully carry out magnesium and calcium ion doping into the transition-metal layers (TM layers) and the alkali-metal layers (AM layers), respectively, of Na0.67Ni0.33Mn0.67O2. B...
Article
The rechargeable multivalent-ion batteries (MVIBs) that transfer Zn²⁺, Mg²⁺, Al³⁺, Ca²⁺ etc. as charge carriers, have become a research hotspot and been emerging as attractive candidates for grid energy storage in terms of cost, volumetric energy density and safety. But there is still a long way from their maturity due to the challenges related to...
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The Zn metal anode is considered one of the most promising anode choices for aqueous Zn-based batteries. Nevertheless, dendrites and intricate side reactions have hindered its usage. Herein, an elastic and anti-corrosive interlayer is introduced to address the problem. The idiosyncratic dielectric behavior of amorphous and nanostructured silicon ni...
Article
Rechargeable zinc-based batteries are attracting considerable attention for practical energy storage owing to their abundant reserves, low cost, and high safety. However, it remains a significant challenge to develop cathode materials with robust structure and high energy density. Layered VOPO4·xH2O was proposed as a cathode candidate for aqueous z...
Article
With the merit of high capacity, high safety and low cost, zinc-ion batteries (ZIBs) possess huge application potential in the domain of large-scale energy storage. However, due to the relatively narrow voltage window and large lattice distortion of cationic redox reaction, ZIBs tend to present low energy density, poor kinetics, and unstable cyclic...
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Full-text available
Aqueous zinc‐ion batteries are largely restricted by the unsatisfactory performance of zinc (Zn) anodes, including their poor stability and irreversibility. In particular, the mechanism behind the electrochemical contrast caused by the surface crystal plane, which is a decisive factor of the electrochemical characteristics of the hostless Zn anode,...
Article
Li3VO4 has been considered as a promising insertion-type anode for lithium-ion batteries due to its high theoretical specific capacity and suitable operating voltage platform. However, this promising anode still suffers from poor electrical conductivity. To address this issue, herein, a porous carbon supported Li3VO4 composites (Li3VO4/C) via a fac...
Article
Sodium-ion batteries (SIBs) have been widely studied and developed due to their rich resources, low cost and high safety. However, the conversion- or alloy-type chalcogenides, as one of the most promising anode materials, suffer from unsatisfactory cycle stability, low conductivity, and large volume expansion, despite of their high capacity and low...
Article
Noble metal-free electrocatalysts with high activity are highly desirable for the large-scale application of hydrogen evolution reaction (HER). Mo2C-based nanomaterials have been proved as a promising alternative to noble metal-based electrocatalysts owing to the Pt-resembled d-band density and optimal intermediates-adsorption properties. However,...
Article
The development of low-cost and high-safety zinc-ion batteries (ZIBs) has been extensively discussed and reviewed in recent years, but the work on the comprehensive discussion and perspectives in developing zinc-ion electrolytes is still relatively lacking. Faced with critical challenges and bottlenecks practically, the viability of ZIBs critically...
Article
Sodium superionic conductor (NASICON)-type compounds have been regarded as promising cathodes for sodium-ion batteries (SIBs) due to their favorable ionic conductivity and robust structural stability. However, their high cost and relatively low energy density restrict their further practical application, which can be tailored by widening the operat...
Article
Sodium-ion batteries (SIBs) are broadly regarded as a promising alternative to Lithium-ion batteries (LIBs) for applications in grid-scale energy storage because of abundant resources and low cost. Nevertheless, there still exists some challenges, including low energy density, unsatisfactory cycling stability, and sluggish ion transferring. Herein,...
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MoSe2/MoC/C multiphase boundaries boost ionic transfer kinetics.MoSe2 (5–10 nm) with rich edge sites is uniformly coated in N-doped framework.The obtained MoSe2 nanodots achieved ultralong cycle performance in LIBs and high capacity retention in full cell. MoSe2/MoC/C multiphase boundaries boost ionic transfer kinetics. MoSe2 (5–10 nm) with rich ed...
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Low‐cost and highly safe zinc‐manganese batteries are expected for practical energy storage and grid‐scale application. The electrolyte adjustment is further combined to boost their performance output; however, the mechanism behind the electrochemical contrast caused by electrolyte composition remains unclear, which has held back the development of...
Article
The development of promising zinc anodes mainly suffers from their low plating/stripping coulombic efficiencies when using aqueous electrolyte, which are mainly associated with the interfacial formation of irreversible by-products. It is urgent to develop technologies that can solve this issue fundamentally. Herein, we report an artificial Sc2O3 pr...
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Full-text available
Due to the abundant resources, low cost and high safety, sodium‐ion batteries (SIBs) and aqueous zinc‐ion batteries (AZIBs) have become the most promising candidates for the next generation in the low‐cost large‐scale energy storage. However, the state‐of‐the‐art cathode materials are far from meeting the commercial requirements. Considering the un...
Article
The Front Cover illustrates the morphology of the sulfur‐doped carbon wrapped heterogeneous Fe3O4/Fe7S8/C nanoplates. The excellent electrochemical performance can be attributed to the carbonaceous porous nanoplates structure, smaller crystallites and binary boundaries of Fe3O4/Fe7S8/C.More information can be found in the Article by K. Chen et al.
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Invited for this month's cover picture is the group of Prof. Anqiang Pan at Central South University (P.R. China). The cover design is inspired by lotus petals and illustrates the morphology of the sulfur‐doped carbon wrapped heterogeneous Fe3O4/Fe7S8/C nanoplates. The excellent electrochemical performance can be attributed to the carbonaceous poro...
Article
High‐capacity electrode materials have attracted tremendous attention in energy storage systems. However, the large volume expansion always cause the break‐down of electrode materials and the capacity fading. In this work, we report the preparation of heterogeneous Fe 3 O 4 /Fe 7 S 8 /C nanoplates with a high lithium diffusion coefficient and excel...
Article
LiCuVO4 has attracted increasing attention as anode materials for lithium ion batteries due to its good structural stability. However, the rate capability is limited by the inferior electronic conductivity and low lithium ion diffusion efficiency. Herein, we reported the synthesis of LiCuVO4/LiVO3/C porous nanotubes by electrospinning method with s...
Article
Polycrystalline K0.25V2O5 nanoparticles have been synthesized and evaluated as cathode for aqueous zinc-ion batteries, which demonstrates excellent Zn²⁺ storage capability. As elucidated, a high capacity of 306 mA h g⁻¹, excellent rate capability of 5 A g⁻¹ and long-term cyclic stability up to 500 cycles at 2 A g⁻¹ are achieved. The effect of the K...
Article
Transition metal phosphides have been explored as promising active materials for sodium-ion batteries (SIBs) and hydrogen evolution reaction (HER) applications owing to their unique physical and chemical characteristics. However, they suffer from the drawbacks such as severe agglomeration, and sluggish reaction kinetics. Herein, bimetallic phosphid...
Article
Molybdenum selenide (MoSe2), a promising anode material for sodium ion batteries (SIBs), has generated intensive scientific interest due to its high theoretical capacity and favorable conversion kinetics. Nevertheless, its practical applications are seriously restricted by the volume variation, inferior structural stability and dissolved poly-selen...
Article
As a promising conversion-type anode material, iron sulfide has been widely studied. However, due to its huge volume expansion during repeated lithiation/delithiation, iron sulfide tends to pulverize and form aggregates upon cycling, which greatly hinders its application in high performance lithium ion batteries as a durable anode material. Herein,...
Article
Metal sulfides are promise anodes for sodium-ion battery because of their high theoretical capacities. However, they also suffer from the shortages of poor cycling stability and rate performance caused by volumetric strain. Here, trimetallic hybrid sulfides, (Ni, Fe, Co)Sx nanocrystals embedded into nitrogen-doped carbon nano-cubes are successfully...
Article
Aqueous zinc-ion batteries (ZIBs) have attracted extensive attentions due to their high capacity and low-cost. Yet the long-term cycling performance is needed to be further optimized to meet the demand of grid-scale energy storage application. Herein, we introduce a new strategy to improve the cycling performance of aqueous ZIBs by the construction...
Article
Rechargeable aqueous zinc-ion batteries (ZIBs) with advantages of high safety and low-cost gradually show potential in large-scale energy storage/supply application. Yet the further development of aqueous ZIBs is hindered by finding suitable cathodes. Here we demonstrate that the chemical pre-intercalated transition metal ions (e.g. Fe ²⁺ , Co ²⁺ ,...
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The manganese dissolution leading to sharp capacity decline as well as the sluggish reaction kinetic are still major issues for manganese‐based materials as aqueous zinc‐ion batteries (ZIBs) cathodes. Here, a potassium‐ion‐stabilized and oxygen‐defect K0.8Mn8O16 is reported as a high‐energy‐density and durable cathode for neutral aqueous ZIBs. A ne...
Article
Tin-based oxides are considered to be promising candidates for lithium-ion batteries (LIBs) anode materials due to their high theoretical capacities. However, the low conductivity and drastic volume expansion/contraction during reaction with Li+ ions greatly limit their practical applications. Herein, we have successfully grown vertically aligned S...
Article
Sodium-ion batteries (SIBs) have attracted considerable attention for large-scale energy storage systems as a promising alternative to lithium-ion batteries (LIBs) due to the huge availability and low-cost. Yet the development of SIBs has been hindered by the low reversibility, sluggish ion diffusion, as well as large volume variations. Herein, we...
Article
Tremendous attention has been paid to aqueous zinc-ions batteries (ZIBs) with the merits of low cost, safety and environmental benign. To explore the Zn2+ ions storage mechanism presents great significance to the fundamental understanding and future practical application of advanced aqueous Zn-ion battery system. Herein, we have observed the reduct...
Article
MoSe2 has been attracting numerous attentions for energy storage and conversion applications due to its unique characteristics. However, the intrinsic low electric conductivity and sluggish reaction kinetics hinder its electrochemical performance. Herein, hierarchical mesoporous MoSe2@CoSe/N-doped carbon (N-C) composite was in situ fabricated from...
Article
Transition metal dichalcogenides (TMDs) have attracted increasing attention for rechargeable batteries because of its high theoretical capacity. However, its real application is limited by the intrinsic low electron conductivity and inferior structural stability. Herein, we report the fabrication of one-dimensional (1D) MoSe2/C nanorods composite f...
Article
Batteries based on sodium-ion chemistry are promising alternatives to current-generation lithium-ion ones, owing to the abundant sodium sources. The larger radius of Na⁺ than Li⁺, however, has been limiting the adaptability of many electrode materials. On one hand, the insertion of Na⁺ harshly requires suitable layer spacing. On the other hand, the...
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Full-text available
A honeycomb-like 3D N/S co-doped porous carbon-coated cobalt sulfide (CoS, Co9S8, and Co1- x S) composite (CS@PC) is successfully prepared using polyacrylonitrile (PAN) as the nitrogen-containing carbon source through a facile solvothermal method and subsequent in situ conversion. As an anode for lithium-ion batteries (LIBs), the CS@PC composite ex...
Article
In article number 1703155 Jiang Zhou, Anqiang Pan, Shuquan Liang and co‐workers report the in‐situ synthesis of Co9S8/ZnS nanocrystals embedded in hollow nitrogen‐doped carbon nanosheets, which demonstrate excellent rate capability and cyclic stability as anodes for both sodium‐ion half‐cell and full‐cell configurations. Such capabilities will acce...
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Full-text available
Sodium‐ion batteries are widely regarded as a promising supplement for lithium‐ion battery technology. However, it still suffers from some challenges, including low energy/power density and unsatisfactory cycling stability. Here, a cross‐linked graphene‐caged Na3V2(PO4)2F3 microcubes (NVPF@rGO) composite via a one‐pot hydrothermal strategy followed...
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Full-text available
Single crystalline fork-like potassium vanadate (K2V8O21) has been successfully prepared by electrospinning method with a subsequent annealing process. The as-obtained K2V8O21 forks show a unique layer-by-layer stacked structure. When used as cathode materials for lithium-ion batteries, the as-prepared fork-like materials exhibit high specific disc...
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Full-text available
Flexible hybrid electrodes with high electronic conductivity and porosity have attracted great attention in energy storage and conversion systems. Herein, we report the fabrication of porous graphitic carbon wrapped MnO/Ni microspheres network (MnO/Ni/CNF) by combined solvothermal and electrospining method followed by stabilization and carbonizatio...
Article
Developing rechargeable sodium ion batteries (SIBs) with fast charge/discharge rate, high energy and power density, and long lifespan is still a significant challenge. Na3V2(PO4)3 (NVP) is regarded as one of the most potential SIBs cathodes due to its high theoretical capacity and stable sodium superionic conductor (NASICON) structure. However, the...
Article
Sodium‐ion batteries (SIBs) are promising next‐generation alternatives due to the low cost and abundance of sodium sources. Yet developmental electrodes in SIBs such as transition metal sulfides have huge volume expansion, sluggish Na⁺ diffusion kinetics, and poor electrical conductivity. Here bimetallic sulfide (Co9S8/ZnS) nanocrystals embedded in...
Article
Three-dimensional (3D) binary oxides with hierarchical porous nanostructures are attracting increasing attentions as electrode materials in energy storage and conversion systems due to their structural superiority which not only create desired electronic and ions transport channels, but also possess better structural mechanical stability. Herein, u...
Article
Na3V2(PO4)3 (NVP) is considered as a promising cathode material in Sodium-ion batteries (SIBs). However, the intrinsically poor electronic conductivity greatly limits its electrochemical performances and practical applications. Herein, a solid-state annealing process using a facile surfactant-assisted method has been developed to fabricate a three-...
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Full-text available
Sodium (Na) super ion conductor structured Na3V2(PO4)3 (NVP) is extensively explored as cathode material for sodium-ion batteries (SIBs) due to its large interstitial channels for Na+ migration. The synthesis of 3D graphene-like structure coated on NVP nanoflakes arrays via a one-pot, solid-state reaction in molten hydrocarbon is reported. The NVP...
Article
Transition metal chalcogenides have attracted increasing attentions as electrode materials for energy storage devices. Their electrochemical properties are largely determined by morphologies and structures. In this paper, we reported the fabrication of CoSe2/C dodecahedra with tunable interior structures, such as solid, yolk-shell, and double-shell...
Article
Olivine-type structured LiMnPO 4 has been extensively studied as a high-energy density cathode material for lithium-ion batteries. However, preparation of high-performance LiMnPO 4 is still a large obstacle due to its intrinsically sluggish electrochemical kinetics. Recently, making the composites from both active components has been proven to be a...

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