【摘 要】
：
Rechargeable lithium metal batteries own the highest energy density among all electrochemical energy storage devices.Lithium metal anode in those cell system acts as paramount role in promoting high energy density [1].However,lithium anode tends to form d
【机 构】
：
Beijing Key Laboratory of Green Chemical Reaction Engineering and Technology, Department of Chemical
论文部分内容阅读
Rechargeable lithium metal batteries own the highest energy density among all electrochemical energy storage devices.Lithium metal anode in those cell system acts as paramount role in promoting high energy density [1].However,lithium anode tends to form dendrite morphology and exhibits huge volume expansion and high reactivity,which induces ultra-low columbic efficiency and out of tolerance cycle performance and even safety hazards [2,3].The lithium dendrite growth behavior is mainly decided by the high surface energy and diffusion barriers for Li ions in lithium batteries which is ascribed to thermodynamics factors and uneven electronic field distribution [1,4,5].During the repeated plating/stripping process,the structure and components of solid-liquid interphase are significantly determined by the deposition thermodynamics and kinetics.In the recent years,advances in characterization technology and the development of high-performance computing method have driven the rapid exploration of the fundamental theory of solid-liquid interphase in lithium batteries.
其他文献
The membrane-electrodes assembly (MEA) is the core of the Polymer Electrolyte Fuel Cell (PEFC).It consists of a membrane,catalytic (CL) and gas diffusion layers (CDL).In order to manufacture MEAs with suitable performance,a hot-pressing procedure is gener
The catalytic conversion of ethane to high value-added chemicals is significantly important for utilization of hydrocarbon resources.However,it is a great challenge due to the typically required high temperature (＞ 400 ℃) conditions.Herein,a highly active
Different sizes of layered CoOOH were synthesized by the molten-salt-assisted method at different temperatures.X-ray diffraction and scanning electron microscope studies reveal that CoOOH grew at (003) with increasing temperature,and its size can reach do
In this work, the effect of the presence of nickel and lead in thermal decomposition of olive tree pruning (OTP), OTP-char and OTP-ashes was studied by thermogravimetry. Experiments were conducted in two kinds of atmosphere (nitrogen atmosphere and oxidiz
Organic-inorganic perovskites solar cells (PSCs) have attracted great attention due to their rapid progress in power conversion efficiency (PCE).However,there is still an enormous challenge to achieve both high efficiency and stability devices as the deco
For the sake of accelerating the commercial application of fuel cells, non-noble metal catalysts with high activity and high stability have been widely developed to replace platinum-based catalysts. Here, we report a simple but cost-effective synthetic st
As a promising alternative anode material,silicon (Si) presents a larger capacity than the commercial anode to achieve large capacity lithium-ion batteries.However,the application of pure Si as anode is hampered by limitations such as volume expansion,low
The conceptual design of yolk-shell structured Si/C composites is considered to be an effective way to improve the recyclability and conductivity of Si-based anode materials. Herein, a new type of yolk-shell structured Si/C composite (denoted as TSC-PDA-B
The side reaction between the active material and liquid-electrolyte cause structural damage and particle pulverization is one of the important factors leading to the capacity decay of LiNi0.80Co0.15Al0.05O2 (NCA)materials in Li ion batteries (LIBs).Surfa
Syngas to ethanol,consisting of dimethyl ether (DME) carbonylation to methyl acetate (MA) over zeolites and MA hydrogenation to ethanol on copper catalyst,has been developed in recent years,DME carbonylation over zeolites,a key step in this new process,ha