- Advanced Battery Materials and Technologies
- Advancements in Battery Materials
- Advanced Battery Technologies Research
- Inorganic Chemistry and Materials
- Thermal Expansion and Ionic Conductivity
- Advanced battery technologies research
- Graphene research and applications
- Quantum and electron transport phenomena
- Carbon Nanotubes in Composites
- Molecular Junctions and Nanostructures
- Supercapacitor Materials and Fabrication
- Topological Materials and Phenomena
- Inorganic Fluorides and Related Compounds
- Conducting polymers and applications
- Chemical Synthesis and Reactions
- Layered Double Hydroxides Synthesis and Applications
- Covalent Organic Framework Applications
- Graphene and Nanomaterials Applications
- Fullerene Chemistry and Applications
- Electrocatalysts for Energy Conversion
- Diamond and Carbon-based Materials Research
- Surface and Thin Film Phenomena
- Zeolite Catalysis and Synthesis
- Solid-state spectroscopy and crystallography
- Chemical Synthesis and Characterization
China Automotive Battery Research Institute
2019-2023
General Research Institute for Nonferrous Metals (China)
2019-2023
Grinm Advanced Materials (China)
2021-2022
Western University
2022
Beijing Administration Institute
2020
Institute of Physics
2014
Chinese Academy of Sciences
2014
Czech Academy of Sciences, Institute of Physics
2014
National Laboratory for Superconductivity
2014
Ambient-air-stable Li<sub>3</sub>InCl<sub>6</sub> halide solid electrolyte, with high ionic conductivity of 1.49 × 10<sup>−3</sup> S cm<sup>−1</sup> at 25 °C, delivers essential advantages over commercial sulfide-based electrolyte.
The enabling of high energy density all-solid-state lithium batteries (ASSLBs) requires the development highly Li+-conductive solid-state electrolytes (SSEs) with good chemical and electrochemical stability. Recently, halide SSEs based on different material design principles have opened new opportunities for ASSLBs. Here, we discovered a series LixScCl3+x (x = 2.5, 3, 3.5, 4) cubic close-packed anion sublattice room-temperature ionic conductivities up to 3 × 10-3 S cm-1. Owing low eutectic...
To promote the development of solid-state batteries, polymer-, oxide-, and sulfide-based electrolytes (SSEs) have been extensively investigated. However, disadvantages these SSEs, such as high-temperature sintering oxides, air instability sulfides, narrow electrochemical windows polymers electrolytes, significantly hinder their practical application. Therefore, developing SSEs that a high ionic conductivity (>10-3 S cm-1 ), good stability, wide window, excellent electrode interface low-cost...
Abstract Sulfide‐based solid‐state electrolytes (SSEs) for all‐solid‐state Li metal batteries (ASSLMBs) are attracting significant attention due to their high ionic conductivity, inherently soft properties, and decent mechanical strength. However, the poor incompatibility with air sensitivity have hindered application. Herein, Sn (IV) substitution P (V) in argyrodite sulfide 6 PS 5 I (LPSI) SSEs is reported, preparation of novel LPSI‐ x (where percentage). Appropriate aliovalent element...
All-solid-state Li metal batteries (ASSLMBs) have attracted significant attention because of their high energy density and improved safety. However, the poor stability at anode/solid-state electrolyte (SSE) interface is a long-standing problem that limits current capacity, thus hindering practical application ASSLMBs. Herein, fluorination an Argyrodite Li6PS5Cl (LPSCl) sulfide proposed to enhance interfacial toward anode. Because condensed highly fluorinated forms in situ with self-healing...
Solid-state halide electrolytes have gained revived research interests owing to their high ionic conductivity and high-voltage stability. However, synthesizing from a liquid phase is extremely challenging because of the vulnerability metal halides hydrolysis. In this work, ammonium-assisted wet chemistry reported synthesize various solid-state with an exceptional (>1 microsiemens per centimeter). Microstrain-induced localized microstructure change found be beneficial lithium ion transport in...
Sulfide solid electrolytes have recently attracted significant interest for use in all-solid-state lithium batteries (ASSLBs) due to their high ionic conductivity. However, one of the main challenges associated with commercialization sulfide-based is instability toward air/moisture, which leads complex processing requirements. Herein, we develop a strategy not only increase conductivity but also obtain air stability Li10Ge(P1–xSbx)2S12 electrolyte system soft acid Sb substitution....
All-solid-state batteries (ASSBs) have gained considerable attention due to their inherent safety and high energy density. However, fabricating ultrathin freestanding solid electrolyte membranes for practical all-solid-state pouch cells remains challenging. In this work, polytetrafluoroethylene (PTFE) fibrilization was utilized interweave inorganic electrolytes (SEs) into membranes. Representative SE membranes, including Li6PS5Cl, Li3InCl6, Li6.5La3Zr1.5Ta0.5O12, demonstrate not only a...
Abstract Li metal is a promising anode material for all‐solid‐state batteries, owing to its high specific capacity and low electrochemical potential. However, direct contact of with most solid‐state electrolytes induces severe side reactions that can lead dendrite formation short circuits. Moreover, unstable when exposed air, leading stringent processing requirements. Herein, it reported the 3 PS 4 /Li interface in batteries be stabilized by an air‐stable x SiS y protection layer formed situ...
Abstract Solid‐state electrolytes (SEs) with high anodic (oxidation) stability are essential for achieving all‐solid‐state Li‐ion batteries (ASSLIBs) operating at voltages. Until now, halide‐based SEs have been one of the most promising candidates due to their compatibility cathodes and ionic conductivity. However, developed chloride bromide still show limited electrochemical that is inadequate ultrahigh voltage operations. Herein, this challenge addressed by designing a dual‐halogen...
Abstract The development of all‐solid‐state Li metal batteries (ASSLMBs) has attracted significant attention due to their potential maximize energy density and improved safety compared the conventional liquid‐electrolyte‐based Li‐ion batteries. However, it is very challenging fabricate an ideal solid‐state electrolyte (SSE) that simultaneously possesses high ionic conductivity, excellent air‐stability, good compatibility. Herein, a new glass‐ceramic 3.2 P 0.8 Sn 0.2 S 4 (gc‐Li ) SSE...
Abstract The halide solid‐state electrolytes (SSEs) have received significant attention due to their high ionic conductivity and desirable compatibility with cathode materials. However, the reduction potential of is still >0.6 V (versus Li/Li + ). Reduction stability one challenges that need be addressed. fluorides a wide electrochemical window large electronegativity F – . In contrast, Li 3 YBr 6 (LYB) bromides narrower window, although they lithium ion (>10 –3 S cm –1 Herein,...
Solid-state Li-S and Li-Se batteries are promising devices that can address the safety electrochemical stability issues arise from liquid-based systems. However, solid-state Li-Se/S usually present poor cycling due to high resistance interfaces decomposition of solid electrolytes caused by their narrow windows. Here, an integrated battery based on a halide Li3 HoCl6 electrolyte with ionic conductivity is presented. The intrinsic wide window its toward Se lithiated species effectively inhibit...
Abstract Understanding the relationship between structure, ionic conductivity, and synthesis is key to development of superionic conductors. Here, a series Li 3‐3 x M 1+ Cl 6 (−0.14 < ≤ 0.5, = Tb, Dy, Ho, Y, Er, Tm) solid electrolytes with orthorhombic trigonal structures are reported. The phase Li–M–Cl shows an approximately one order magnitude increase in conductivities when compared their phase. Using Li–Ho–Cl components as example, structures, transition, electrochemical stability...
The high ionic conductivity, air/humidity tolerance, and related chemistry of Li3MX6 solid-state electrolytes (SSEs, M is a metal element, X halogen) has recently gained significant interest. However, most the halide SSEs suffer from irreversible chemical degradation when exposed to humid atmosphere, which originates hydrolysis. Herein, function atom in was clarified by series Li3Y1-xInxCl6 (0 ≤ x < 1). When ratio In3+ increased, gradual structural conversion hexagonal-closed-packed (hcp)...
Abstract To promote the development of solid‐state batteries, polymer‐, oxide‐, and sulfide‐based electrolytes (SSEs) have been extensively investigated. However, disadvantages these SSEs, such as high‐temperature sintering oxides, air instability sulfides, narrow electrochemical windows polymers electrolytes, significantly hinder their practical application. Therefore, developing SSEs that a high ionic conductivity (>10 −3 S cm −1 ), good stability, wide window, excellent electrode...
Abstract Large interfacial resistance resulting from reactions is widely acknowledged as one of the main challenges in sulfide electrolytes (SEs)‐based all‐solid‐state lithium batteries (ASSLBs). However, root cause large between SEs and typical layered oxide cathodes not fully understood yet. Here, it shown that oxygen loss single‐crystal LiNi 0.5 Mn 0.3 Co 0.2 O 2 (SC‐NMC532) chemically oxidizes Li 10 GeP S 12 , generating oxygen‐containing species. Meanwhile, also induces a structural...
Recently, halide solid-state electrolytes (SSEs) have been reported to exhibit high ionic conductivity and good compatibility with cathode materials. However, the air stability of halide-based is one important factor related upon exposure for practical applications. The instability mechanism Li3InCl6 toward not clearly understood. Herein, we first time report application operando optical microscopy, Raman spectroscopy, synchrotron-based X-ray powder diffraction, in situ absorption near-edge...
Abstract Polyethylene oxide (PEO) based solid polymer electrolytes (SPEs) are incompatible with the 4 V class cathodes such as LiCoO 2 due to limited electrochemical oxidation window of PEO. Herein, a number binders including commonly used PEO, polyvinylidene fluoride (PVDF), and carboxyl‐rich (CRP) sodium alginate (Na‐alginate) carboxymethyl cellulose, studied for application in all‐solid‐state batteries (ASSPBs). The results show ASSPBs CRP exhibit superior cycling performance up 1000...