Fabrication of Nb2O5/Carbon Submicrostructures for Advanced Lithium-Ion Battery Anodes

Article Chemistry, Multidisciplinary

In-Situ Synthesis of Carbon-Encapsulated Atomic Cobalt as Highly Efficient Polysulfide Electrocatalysts for Highly Stable Lithium-Sulfur Batteries

Zhuosen Wang et al.

Summary: This study introduces atomic cobalt dopants into nitrogen-doped hollow carbon spheres, effectively restricting the shuttle effect and promoting the kinetics of sulfur redox reactions, thus designing high-performance Li-S batteries.

SMALL (2022)

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Article Chemistry, Multidisciplinary

In Situ Construction a Stable Protective Layer in Polymer Electrolyte for Ultralong Lifespan Solid-State Lithium Metal Batteries

Dechao Zhang et al.

Summary: By utilizing the idea of interface design, a stable solid electrolyte interface (SEI) was successfully constructed in polymer electrolyte, improving the cycle lifespan and capacity retention ratio of solid-state lithium metal batteries (SLMBs).

ADVANCED SCIENCE (2022)

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Article Chemistry, Physical

A Self-Supporting Covalent Organic Framework Separator with Desolvation Effect for High Energy Density Lithium Metal Batteries

Yan Yang et al.

Summary: This study focuses on the application of a self-supporting COF separator in lithium metal batteries. By forming a hydrogen bond network, the separator is able to achieve solvent desolvation and electrolyte aggregation, effectively reducing the side effects of solvent and lithium metal, and demonstrating good cycling stability.

ACS ENERGY LETTERS (2022)

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Article Chemistry, Physical

2D-Nb2CTz-Supported, 3D-Carbon-Encapsulated, Oxygen-Deficient Nb2O5 for an Advanced Li-Ion Battery

Junfeng Huang et al.

Summary: By employing carbon encapsulation and oxygen deficiency on Nb2O5, the transport performance and cycle stability of metal oxides have been improved, leading to enhanced performance of lithium-ion storage materials.

ACS APPLIED ENERGY MATERIALS (2022)

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Review Chemistry, Multidisciplinary

Advances in the Development of Single-Atom Catalysts for High-Energy-Density Lithium-Sulfur Batteries

Ziwei Liang et al.

Summary: The practical applications of lithium-sulfur batteries face limitations due to issues like lithium dendrite growth and polysulfide shuttling, but these hurdles can be mitigated by using single-atom catalysts (SACs) to enhance electrode materials performance. This review systematically summarizes recent progress in SACs for Li-metal anodes, S cathodes, and separators, highlighting their potential to improve energy-storage devices.

ADVANCED MATERIALS (2022)

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Article Chemistry, Physical

Pomegranate-like structured Nb2O5/Carbon@N-doped carbon composites as ultrastable anode for advanced sodium/potassium-ion batteries

Jujun Yuan et al.

Summary: The distinctive Nb2O5/C@NC composites, fabricated using a hydrothermal method and nitrogen doped carbon coating procedure, exhibit superior performance in both sodium-ion batteries and lithium-ion batteries, thanks to their unique structure and characteristics.

JOURNAL OF COLLOID AND INTERFACE SCIENCE (2022)

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Article Chemistry, Physical

Enhancing the low-temperature performance in lithium ion batteries of Nb2O5 by combination of W doping and MXene addition

Yao Chen et al.

Summary: The W-doped Nb2O5/MXene composites show significantly improved electrochemical performance at low temperature, with high reversible capacity, excellent rate capability, and good cycling stability, making them promising candidates for the negative electrode in lithium ion batteries to address safety concerns in cold climates.

JOURNAL OF POWER SOURCES (2021)

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Article Materials Science, Ceramics

High-rate capability of carbon-coated micron-sized hexagonal TT-Nb2O5 composites for lithium-ion battery

Xueli Chen et al.

Summary: In this study, carbon-coated TT-Nb2O5 materials were designed and synthesized through solid state method, showing high specific capacity and satisfactory rate properties.

CERAMICS INTERNATIONAL (2021)

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Article Chemistry, Physical

Engineering the architecture and oxygen deficiency of T-Nb2O5-carbon-graphene composite for high-rate lithium-ion batteries

Panpan Jing et al.

Summary: A two-dimensional Nb2O5-C-rGO architecture was successfully synthesized via a hydrolysis route, showing excellent rate capability and cycling stability as an anode for LIBs. The enhanced electronic conductivity and fast Li+ migration contributed to the outstanding Li+ storage performance of the electrode.

NANO ENERGY (2021)

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Article Chemistry, Physical

Nanoscale Phase Engineering in Two-Dimensional Niobium Pentoxide Anodes toward Excellent Electrochemical Lithium Storage

Wanxing Zhang et al.

Summary: This research focuses on enhancing the reversible capacity of sheetlike Nb2O5 anode by designing nanoscale phase interfaces, which allows for efficient lithium ion storage. The Nb2O5-750 electrode exhibits excellent lithium storage properties at different rates, showing promising potential for advancing lithium-ion battery technology.

ACS APPLIED ENERGY MATERIALS (2021)

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Article Nanoscience & Nanotechnology

Three-Dimensional Cross-Linked Nb2O5 Polymorphs Derived from Cellulose Substances: Insights into the Mechanisms of Lithium Storage

Ming Yang et al.

Summary: Niobium pentoxide (Nb2O5)-based materials with different crystal structures exhibit varying lithium storage performances, with crystallographic shear structures providing more storage sites and room and pillar crystal structures favoring fast lithium storage. The study sheds light on the intercalation pseudocapacitance mechanism and provides valuable guidance for the design of electrode materials for next-generation LIBs.

ACS APPLIED MATERIALS & INTERFACES (2021)

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Article Materials Science, Multidisciplinary

Carbon-emcoating architecture boosts lithium storage of Nb2O5

Qing Ji et al.

Summary: The carbon-embedding Nb2O5/C nanohybrids showed superior cycling and rate performance compared to conventional carbon coating, with reversible capacity of 387 mA h g(-1) at 0.2 C and 92% capacity retention after 500 cycles at 1 C. The carbon-emcoating technique can be universally applied to other ITMO negative electrodes to achieve high electrochemical performance.

SCIENCE CHINA-MATERIALS (2021)

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Article Electrochemistry