A5088912186- Advanced Battery Materials and Technologies
- Advancements in Battery Materials
- Advanced Battery Technologies Research
- Advanced battery technologies research
- Supercapacitor Materials and Fabrication
- Extraction and Separation Processes
- Thermal Expansion and Ionic Conductivity
- Metal-Organic Frameworks: Synthesis and Applications
- Probabilistic and Robust Engineering Design
- Catalytic Processes in Materials Science
- Fault Detection and Control Systems
- Wind and Air Flow Studies
- Zeolite Catalysis and Synthesis
- Covalent Organic Framework Applications
- Catalysts for Methane Reforming
- Polyoxometalates: Synthesis and Applications
- Carbon Dioxide Capture Technologies
- Building Energy and Comfort Optimization
- MXene and MAX Phase Materials
- Synthesis and properties of polymers
- Inorganic Chemistry and Materials
University of Maryland, College Park
2021-2024
Huaneng Clean Energy Research Institute
2023-2024
Tianjin University
2018-2023
Abstract Hard carbons (HCs) are the most promising candidate anode materials for emerging Na‐ion batteries (NIBs). HCs composed of misaligned graphene sheets with plentiful nanopores and defects, imparting a complex correlation between its structure sodium‐storage behavior. The currently debated mechanism Na + ‐ion insertion in hinders development high‐performance NIBs. In this article, ingenious reliable strategies used to elaborate electrochemical performance further illuminate HCs. First,...
Bismuth has emerged as a promising anode material for sodium-ion batteries (SIBs), owing to its high capacity and suitable operating potential. However, large volume changes during alloying/dealloying processes lead poor cycling performance. Herein, bismuth nanoparticle@carbon (Bi@C) composite is prepared via facile annealing method using commercial coordination compound precursor of citrate. The uniform structure with Bi nanoparticles embedded within carbon framework. nanosized ensures fast...
Abstract Red phosphorus (P) has been recognized as a promising storage material for Li and Na. However, it not reported K the reaction mechanism remains unknown. Herein, novel nanocomposite anode is designed synthesized by anchoring red P nanoparticles on 3D carbon nanosheet framework K‐ion batteries (KIBs). The P@CN composite demonstrates superior electrochemical performance with high reversible capacity of 655 mA h g −1 at 100 good rate capability remaining 323.7 2000 , which outperform...
Abstract The capacity of transition metal oxide cathode for Li‐ion batteries can be further enhanced by increasing the charging potential. However, these high voltage cathodes suffer from fast decay because large volume change breaks active materials and cathode‐electrolyte interphase (CEI), resulting in electrolyte penetration into broken continuous side reactions between electrolytes. Herein, a robust LiF‐rich CEI was formed potentiostatic reduction fluorinated at low potential 1.7 V. By...
Conjugated microporous polymers (CMPs) with π-conjugated skeletons show great potential as energy storage materials due to their porous structure and tunable redox nature. However, CMPs the structure-performance relationships have not been well explored for potassium-ion batteries (KIBs). Here, we report structure-engineered CMP anodes electronic structures high-performance KIBs. The results demonstrate that of plays an important role in enhancing potassium capability, including lowest...
Abstract Organic cathode materials as economical and environment‐friendly alternatives to inorganic have attracted comprehensive attention in potassium‐ion batteries (KIBs). Nonetheless, active material dissolution mismatched electrolytes result insufficient cycle life that definitely hinders their practical applications. Here, a significantly improved of 1000 cycles (80% capacity retention) on practically insoluble organic material, anthraquinone‐1,5‐disulfonic acid sodium salt, is...
Single-crystalline cathode materials have attracted intensive interest in offering greater capacity retention than their polycrystalline counterparts by reducing material surfaces and phase boundaries. However, the single-crystalline LiCoO2 suffers severe structural instability fading when charged to high voltages (4.6 V) due Co element dissolution O loss, crack formation, subsequent electrolyte penetration. Herein, forming a robust interphase (CEI) an all-fluorinated electrolyte, reversible...
Lithium-metal batteries (LMBs) using lithium-metal anodes and high-voltage cathodes have been deemed as one of the most promising high-energy-density battery technology. However, its practical application is largely hindered by notorious dendrite growth anodes, fast structure degradation cathode, insufficient electrode-electrolyte interphase kinetics. Here, a dual-anion regulated electrolyte developed for LMBs lithium bis(trifluoromethylsulfonyl)imide (LiTFSI) difluoro(bisoxalato)phosphate...
Potassium–sulfur (K–S) batteries are a promising alternative to lithium ion for large-area energy storage applications, owing their high capacity and inexpensiveness, but they have been seldom investigated. Here we report room-temperature K–S utilizing microporous carbon-confined small-molecule sulfur composite cathode. The synergetic effects of the strong confinement carbon matrix structure can effectually eliminate formation soluble polysulfides ensure reversible 1198.3 mA h g–1 retain...
Inferior rate performance, insufficient cycle life, and low mass loading have restricted the practical application of hard carbon (HC) anodes in sodium-ion batteries (NIBs). Here, a compatible strategy is developed by matching HC with an ether-based electrolyte. Systematical investigation reveals that good compatibility electrode–electrolyte systems forms thinner but more sustainable solid-electrolyte interphase delivers higher ionic conductivity Na+ ion diffusion coefficient than commonly...
Organic electrode materials free of rare transition metal elements are promising for sustainable, cost-effective, and environmentally benign battery chemistries. However, severe shuttling effect caused by the dissolution active in liquid electrolytes results fast capacity decay, limiting their practical applications. Here, using a gel polymer electrolyte (GPE) that is situ formed on Nafion-coated separators, shuttle reaction organic electrodes eliminated while maintaining electrochemical...
Abstract Organic cathode materials have gained substantial attention in sodium‐ion batteries (SIBs) because of their low cost, structure versatility, and environmental friendliness. Nevertheless, the use organic is plagued by unsatisfactory cycling performance caused dissolution electrode materials, inappropriate electrolytes, and/or poor interfacial compatibility. In this work, an ultralong cycle life SIBs through coupling insoluble cathode, N, N′‐bis(glycinyl) naphthalene diimide, with...
Lithium metal batteries (LMBs) are viewed as one of the most promising high energy density battery systems, but their practical application is hindered by significant fire hazards and fast performance degradation due to lack a safe compatible configuration. Herein, nonflammable quasi-solid electrolytes (NQSEs) designed fabricated using in situ polymerization method, which 1,3,2-dioxathiolan-2,2-oxide used both initiator trigger solvents interphase formation agent construct robust interface...
The storage mechanisms of Li, Na, and K in hard carbon anodes are investigated through systematically exploring their electrochemical behaviors. Two charge/discharge voltage regions observed for all the storage, a slope at high voltage, plateau low-voltage range. Considerably different behaviors revealed by galvanostatic intermittent titration technique impedance spectroscopy measurements, accordingly proposed. sloping region is mainly attributed to adsorption defects/heteroatoms storage. In...
Organic electrode materials have emerged as promising alternatives to conventional inorganic because of their structural diversity and environmental friendliness feature. However, low energy densities, limited by the single-electron reaction per active group, plagued practical applications. Here, we report a nitroaromatic cathode that performs six-electron nitro drastically improving specific capacity density compared with organic electrodes based on reactions. Based such mechanism,...
Energy storage power stations using lithium iron phosphate (LiFePO4, LFP) batteries have developed rapidly with the expansion of construction scale in recent years. Owing to complex electrochemical systems and application scenarios batteries, there is a high risk thermal runaway (TR) TR propagation, which may result fires or explosions. In this work, an oil-immersed battery cooling system was fabricated validate its potential function on high-safety energy stations. The characteristics 125...
Abstract Lithium primary batteries are still widely used in military, aerospace, medical, and civilian applications despite the omnipresence of rechargeable Li‐ion batteries. However, these current chemistries exclusively based on inorganic materials with high cost, low energy density or severe safety concerns. Here, a novel lithium‐organic battery chemistry that operates through synergetic reduction 9,10‐anthraquinone (AQ) fluoroethylene carbonate (FEC) is reported. In FEC‐presence,...
Abstract The capacity of transition metal oxide cathode for Li‐ion batteries can be further enhanced by increasing the charging potential. However, these high voltage cathodes suffer from fast decay because large volume change breaks active materials and cathode‐electrolyte interphase (CEI), resulting in electrolyte penetration into broken continuous side reactions between electrolytes. Herein, a robust LiF‐rich CEI was formed potentiostatic reduction fluorinated at low potential 1.7 V. By...
The lithium redox at the Li/electrolyte interface do significantly effects on road achieving high performance metal anode (LMA). Lithium dendrite formation caused by inhomogeneous Li deposition is one of critical challenges for rechargeable batteries (LMBs). Besides, commonly used commercial ester-based electrolyte are incompatible with metallic also limits application LMA. We have proposed a mechanism charge transfer mediator additive in previous works, novel 2-Mercaptopyridine (2-MP) that...