Microenvironment engineering for guiding spatially and epitaxially uniform lithium plating in lithium metal batteries

Article Chemistry, Applied

In situ generation of Li3N concentration gradient in 3D carbon-based lithium anodes towards highly-stable lithium metal batteries

Wenzhu Cao et al.

Summary: Constructing a robust artificial solid electrolyte interphase (SEI) and regulating the lithium deposition behavior is an effective strategy to improve the performance of lithium metal batteries.

JOURNAL OF ENERGY CHEMISTRY (2023)

Add to Collection

Article Chemistry, Physical

Benchmarking the Safety Performance of Organic Electrolytes for Rechargeable Lithium Batteries: A Thermochemical Perspective

Ailing Yang et al.

Summary: This study evaluated the safety of organic electrolytes by characterizing the thermochemistry of various types of single-solvent electrolytes using cone calorimetry. The results showed that a combination of polyfluorinated solvents and high boiling point solvents can compose nonflammable electrolytes, providing new insights for the design of high safety organic electrolytes.

ACS ENERGY LETTERS (2023)

Add to Collection

Article Chemistry, Physical

Highly stable lithium metal anode enabled by lithiophilic and spatial-confined spherical-covalent organic framework

Wenbo Wang et al.

Summary: Constructing an artificial SEI with highly-crystalline spherical covalent organic framework (S-COF) can regulate the interfacial stability of Li metal anode and improve the cycling stability and energy density of batteries.

ENERGY STORAGE MATERIALS (2022)

Add to Collection

Article Materials Science, Multidisciplinary

Hierarchically Micro/Nanostructured Current Collectors Induced by Ultrafast Femtosecond Laser Strategy for High-Performance Lithium-ion Batteries

Yaya Wang et al.

Summary: Ultrafast femtosecond laser was used to create hierarchical micro/nanostructures on commercial Al and Cu foils as current collectors for high-performance LIBs, which significantly improved adhesion to active materials and the electronic delivery within electrodes, leading to enhanced reversible capacities and cyclic stability. This study demonstrates a promising strategy for achieving high-performance LIBs current collectors.

ENERGY & ENVIRONMENTAL MATERIALS (2022)

Add to Collection

Article Chemistry, Multidisciplinary

Designing Polymer-in-Salt Electrolyte and Fully Infiltrated 3D Electrode for Integrated Solid-State Lithium Batteries

Wenyi Liu et al.

Summary: A solid-state lithium battery with high room-temperature ionic conductivity was designed, achieving faster Li+ transport and superior electrochemical performance through the construction of an integrated model SSLB.

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION (2021)

Add to Collection

Article Chemistry, Physical

A mismatch electrical conductivity skeleton enables dendrite-free and high stability lithium metal anode

Shan Fang et al.

Summary: The study presents a mismatch electrical-conductivity framework as a stable host to regulate lithium deposition behavior, improving the electrochemical performance of lithium metal anodes. The A-HCF electrodes exhibit high Coulombic efficiency and demonstrate good reversibility of Li plating/stripping. Cells assembled with NMC811 positive electrodes show high capacity retention and energy density, even at high cycling rates.

NANO ENERGY (2021)

Add to Collection

Article Chemistry, Physical

Superorganophilic MAF-6/PP Composite Separator Boosts Lithium Metal Anode Performance

Wen-Li Wu et al.

Summary: This study presents a method of using MAF-6 material to modify polypropylene separators, achieving the practical application of lithium metal anodes in high-energy rechargeable batteries. The MAF-6/PP composite separator shows excellent performance in improving lithium ion transfer and reducing lithium dendrite growth issues, demonstrating great promise for the development of high-performance rechargeable batteries.

ENERGY STORAGE MATERIALS (2021)

Add to Collection

Article Nanoscience & Nanotechnology

Pre-Solid Electrolyte Interphase-Covered Li Metal Anode with Improved Electro-Chemo-Mechanical Reliability in High-Energy-Density Batteries

Xi Chen et al.

Summary: The study introduces a novel drop-coating process and successful design of a reliable pre-SEI layer, enhancing the cycling performance and Coulombic efficiency of lithium metal in batteries.

ACS APPLIED MATERIALS & INTERFACES (2021)

Add to Collection

Article Nanoscience & Nanotechnology

Stabilizing Lithium Metal Anode Enabled by a Natural Polymer Layer for Lithium-Sulfur Batteries

Can Cui et al.

Summary: The study proposed a functional layer of artificial conformal agar polymer coating on a lithium anode, which effectively suppressed volume expansion and dendritic lithium growth, leading to improved cycle life and performance of the battery.

ACS APPLIED MATERIALS & INTERFACES (2021)

Add to Collection

Article Chemistry, Multidisciplinary

Optimizing Electrode/Electrolyte Interphases and Li-Ion Flux/Solvation for Lithium-Metal Batteries with Qua-Functional Heptafluorobutyric Anhydride

Junda Huang et al.

Summary: The study introduced a quaternary-functional additive HFA that can optimize the solid electrolyte interphase in rechargeable lithium-metal batteries. Using HFA can achieve stable lithium plating, suppress metal ion dissolution, and enhance the wettability of the separator by the electrolyte, thereby increasing lithium ion flux.

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION (2021)

Add to Collection

Article Chemistry, Physical

Multifunctional SnSe-C composite modified 3D scaffolds to regulate lithium nucleation and fast transport for dendrite-free lithium metal anodes

Xiaojie Shen et al.

Summary: The multifunctional SnSe-C composite modified 3D scaffolds successfully regulate lithium nucleation and transport, leading to dendrite-free lithium deposition and improved performance of the Li/SnSe-C anode.

JOURNAL OF MATERIALS CHEMISTRY A (2021)

Add to Collection

Article Chemistry, Physical