Investigation of silicon nanoparticle size on specific capacity of Li-ion battery via electrochemical impedance spectroscopy

Article Chemistry, Physical

Microspheres comprise Si nanoparticles modified with TiO2 and wrapped by graphene as high-performance anode for lithium-ion batteries

Zongyu Wang et al.

Summary: The newly designed Si@TiO2@rGO pomegranate-shaped microspheres exhibit high strength and superior reversible capacity, showing excellent cycling stability under high current density conditions.

APPLIED SURFACE SCIENCE (2022)

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Review Chemistry, Physical

The impact of electrode with carbon materials on safety performance of lithium-ion batteries: A review

Xiaomei Jiang et al.

Summary: This review explores the influence of carbon materials on the safety of lithium-ion batteries, highlighting their importance as electrodes and in thermal runaway processes. It also summarizes measures for improving carbon electrode materials and their impact on battery safety.

CARBON (2022)

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Article Chemistry, Physical

To achieve controlled specific capacities of silicon-based anodes for high-performance lithium-ion batteries

Yaodong Ma et al.

Summary: Porous carbon coated silicon nanoparticles were prepared as anode materials for lithium-ion batteries to suppress the volume expansion effect of silicon and improve the infiltration of electrolyte and the diffusion of lithium ions. The mass ratio of the anode materials effectively controlled the specific capacities and reduced production cost.

JOURNAL OF ALLOYS AND COMPOUNDS (2022)

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Review Chemistry, Multidisciplinary

Review on Li Deposition in Working Batteries: From Nucleation to Early Growth

Xiao-Ru Chen et al.

Summary: Lithium metal as a promising alternative anode material for high-energy-density batteries is crucial in the new era of advanced energy storage. Understanding the deposition mechanism from nucleation to early growth is essential for improving battery performance and dendrite-free deposition behavior. Various models have been proposed to enhance the insight into the lithium deposition process, opening up new possibilities for practical lithium metal batteries.

ADVANCED MATERIALS (2021)

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Article Electrochemistry

Modelling capacity fade in silicon-graphite composite electrodes for lithium-ion batteries

Shweta Dhillon et al.

Summary: Numerical simulations were used to study the electrochemical and morphological behavior of silicon-based composite electrodes during galvanostatic cycling. The study revealed that changes in electrode porosity and growth of solid electrolyte interphase layer play a crucial role in influencing electrode performance.

ELECTROCHIMICA ACTA (2021)

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Review Chemistry, Physical

A review of rational design and investigation of binders applied in silicon-based anodes for lithium-ion batteries

Shi Li et al.

Summary: The review systematically summarizes the synthesis methods, design principles, and working mechanisms of synthetic binders and natural biomass binders, including chemical composition, superstructure, and various interactions between different functional moieties. These findings aim to reveal the structure-composition-performance relationship, offer practical solutions to challenging problems associated with defects of Si-based electrode materials in LIBs, and provide design principles for other electrode binders in rechargeable batteries at an industrial level.

JOURNAL OF POWER SOURCES (2021)

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Article Chemistry, Physical

High-Performance PDB Organic Cathodes Reinforced by 3D Flower- like Carbon for Lithium-/Sodium-Ion Batteries

Cunguo Wang et al.

Summary: This study introduces a poly(2,3-dithio-1,4-benzoquinone) composite with three-dimensional flower-like porous carbon as a promising choice for battery electrodes, demonstrating excellent rate capacity in both lithium-ion and sodium-ion batteries under ultrahigh current density. The preparation strategy presented in this paper is applicable for enhancing the electrochemical characteristics of other organic electrode materials.

ACS APPLIED ENERGY MATERIALS (2021)

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Article Chemistry, Physical

Graphite as anode materials: Fundamental mechanism, recent progress and advances

Hao Zhang et al.

Summary: Graphite, as a perfect anode material for lithium ion batteries, has various advantages and its storage performance can be further improved. Understanding the fundamental principles of graphite and Li-graphite intercalation compounds is essential to regulating the structure for enhancing kinetics of Li ion intercalation, storage, and diffusion in graphite.

ENERGY STORAGE MATERIALS (2021)

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Article Nanoscience & Nanotechnology

Hollow Graphene as an Expansion-Inhibiting Electrical Interconnector for Silicon Electrodes in Lithium-Ion Batteries

Hyeong-Il Park et al.

Summary: The use of hollow graphene particles as a conductive agent can effectively inhibit the volume expansion of silicon electrodes during lithiation in lithium-ion batteries, improving capacity retention. Incorporating hollow graphene in silicon electrodes as an expansion inhibitor and a conductive agent greatly enhances the performance compared to traditional carbon black.

ACS APPLIED MATERIALS & INTERFACES (2021)

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Article Nanoscience & Nanotechnology

Insight into the Formation and Stability of Solid Electrolyte Interphase for Nanostructured Silicon-Based Anode Electrodes Used in Li-Ion Batteries

Mariam Ezzedine et al.

Summary: This study utilized electron tomography to investigate the formation and stability of solid electrolyte interphase (SEI) around silicon nanowires and nanoparticles, revealing significant volume variations and inhomogeneous distribution of the SEI layer around the nanowires during cycling, while the SEI layer around the nanoparticles remained homogeneously distributed and retained their spherical morphology. These findings provide insights into the potential mechanisms leading to capacity fading in SiNW anodes and suggest the potential benefits of nanoscale Si anode materials for improved cycling lifetime.

ACS APPLIED MATERIALS & INTERFACES (2021)

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Review Nanoscience & Nanotechnology

Mechanical studies of the solid electrolyte interphase on anodes in lithium and lithium ion batteries

Josefine D. McBrayer et al.

Summary: A stable solid electrolyte interphase (SEI) layer is crucial for high performance lithium ion and lithium metal batteries. Understanding the mechanical properties and behavior of the SEI is essential for rational design, but challenging due to its thin and air-sensitive nature. Various techniques have been used to study the mechanics of SEI, but there is a lack of concise review on the findings so far.

NANOTECHNOLOGY (2021)

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Review Chemistry, Physical

Hard Carbon Anodes for Next-Generation Li-Ion Batteries: Review and Perspective

Lijing Xie et al.

Summary: Hard carbons, with their enriched microcrystalline structure, have attracted attention as a promising anode material for high-energy LIBs, but face challenges such as low initial efficiency and capacity issues. Current research efforts are focused on addressing these challenges to enable practical application in next-generation batteries.

ADVANCED ENERGY MATERIALS (2021)

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Review Chemistry, Physical

Challenges and Recent Progress on Silicon-Based Anode Materials for Next-Generation Lithium-Ion Batteries

Chengzhi Zhang et al.

Summary: The article focuses on the importance of silicon-based anodes for high-energy density lithium-ion batteries and the challenges they face, presenting a series of solutions and summarizing the progress made in this area.

SMALL STRUCTURES (2021)

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Review Chemistry, Multidisciplinary