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Article
Rational carbon design and confinement of leaf-like Tin trisulfide@Carbon/MXene Ti3C2Tx for enhanced conductivity and lithium storage kinetics
Due to the abundant terrestrial storage of raw materials, tin sulfide stands out as one of the most promising candidates for anodes in lithium-ion batteries (LiBs). Among its various forms, Tin trisulfide (Sn2S3)...
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Article
Preparation of high capacity Sn2S3/Sn3S4/FeS/Fe7S8 heterostructure composite lithium-ion battery anodes from reducing agents Fe and tin-based sulfides
Tin-based sulfides, such as SnS2, have garnered attention as lithium-ion anode materials due to their layer structure and high conductivity capacity. However, during the lithium alloying/dealloying cycles, SnS2 m...
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Article
Trinary metal oxides of Co, Ni, and Mn as efficient overall water splitting catalyst
The development of inexpensive, highly effective and durable electrocatalysts for hydrogen production via water electrolysis is of paramount importance. Transition metal oxides, owing to their simplicity in pr...
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Article
Fe2GeS4/exfoliated graphite composite anodes with enhanced performance for SIBs
As a new type of negative electrode material for SIBs, (iron germanium sulfide) Fe2GeS4 is considered a highly promising negative electrode material for SIBs owing to its high theoretical capacity, fast Na+ diffu...
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Article
Preparation and characterization of LiNi0.8Co0.15Al0.05O2 cathode material from (NH4)2C2O4·2H2O precipitant
LiNi0.8Co0.15Al0.05O2 (NCA) cathode material was usually prepared with Ni2+, Co2+, Al3+ co-precipitation method using NaOH/NH3·H2O aqueous solution with strictly control of liquid feeding rate and pH value. In th...
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Article
Anchored CoCO3 on peeled graphite sheets toward high-capacity lithium-ion battery anode
Transition metal carbonates are attracting significant interests as lithium-ion batteries (LIBs) anode due to their high specific capacity and initial Coulombic efficiency. However, the internal poor conductiv...
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Article
Facile synthesis of high N-content carbon-confined amorphous SnS as anode material for lithium-ion batteries
Tin sulfide (SnS) has drawn great attention as an anode material of lithium-ion batteries (LIBs) due to its high theoretical capacity and good reversibility, but the practical application is hindered by poor c...
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Article
An effective way of co-precipitating Ni2+, Mn2+ and Co2+ by using ammonium oxalate as precipitant for Ni-rich Li-ion batteries cathode
An oxalate-based hydrothermal approach has been applied to synthesize Ni0.8Mn0.1Co0.1·C2O4·2H2O “mixed oxalate,” and “mixed oxalate” has been lithiated to LiNi0.8Mn0.1Co0.1O2 for Li-ion batteries cathode. Ni2+, M...
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Article
Improve electrochemical performances of SnS2/C by destroying the crystal structure
SnS2-based materials are potential anodes of sodium ion batteries (SIBs) due to their high specific capacity, high theoretical coulombic efficiency, and low toxic. Herein, we demonstrate an effectual strategy to ...
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Article
Influence of the total metal ions concentration and CTAB on the electrochemical properties of NCA cathode synthesized by using urea precipitant
The precursor synthesis of the LiNi0.8Co0.15Al0.05O2 (NCA) is usually operated in NaOH/NH3·H2O aqueous system, and the pH value and the liquid feeding rate need strict control. Herein, a simple synthesis method w...
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Article
Facile-synthesized amorphous CoCO3 for high-capacity lithium-ion battery anode
Transition metal carbonates are high specific capacity and high initial coulombic efficiency anode materials of the lithium-ion batteries (LiBs). Herein, molecular dynamics simulation found the amorphous inste...
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Article
Nano Li4Ti5O12 as sulfur host for high-performance Li-S battery
S/Li4Ti5O12 cathode with high lithium ionic conductivity was prepared for Li-S battery. Herein, nano Li4Ti5O12 is used as sulfur host and fast Li+ conductor, which can adsorb effectively polysulfides and improve ...
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Article
Promotional role of Li4Ti5O12 on SnO2-based materials electrochemical performances
SnO2-based materials consisting of core-shell structure (SnO2/C)@C microspheres and Li4Ti5O12/C composites were prepared via a hydrothermal method and solid-state reaction. The effects of Li4Ti5O12/C content on t...