One of the most promising means to increase the energy density of state-of-the-art lithium Li-ion batteries is to replace the graphite anode with a Li metal anode. While the direct use of Li metal may be highly advantageous, at present its practical application is limited by issues related to dendrite growth and low Coulombic efficiency, CE. Here operando electrochemical scanning transmission e...

The lithium-sulfur battery is currently considered to be a promising candidate for next-generation energy storage devices. However, its commercial application severely restricted by rapid capacity decay mainly arising from unavoidable dissolution of intermediate lithium polysulfide the S-based cathodes. Herein, multifunctional stripped grapheme-carbon nanotubes (SG-CNT) with 1D/2D interwoven an...

The establishment of an integrated fast charging station for photovoltaic storage and is effective solution to electric vehicles. For the li-battery/Super capacitor hybrid energy system, it method reduce cost system by extending life li-batteries. This paper establishes li-battery cycle estimation model with irregular discharge proposes optimal allocation algorithm li-battery/super proposed bas...

Cycle life often determines the commercial viability of a particular electrode chemistry or structure. The dramatic structural, crystallographic, and chemical changes that may occur in and around Li-ion battery electrodes can severely affect their cycle life. This provides a clear motive for developing an improved understanding of the nature of chemical and structural changes associated with el...

Using inorganic fibrous membranes as protective layers has yielded success in suppressing dendrite growth. However, conventional usually have large voids and low affinity for Li, promoting inhomogeneous charge distribution allowing some dendrites to grow. Herein, we introduce a highly aligned TiO2/SiO2 (A-TS) electrospun nanofiber membrane layer the Li metal anode. The A-TS is fabricated by cus...

The lithium-sulfur (Li-S) battery has been regarded as an important candidate for the next-generation energy storage system due to its high theoretical capacity (1675 mAh g−1) and density (2600 Wh kg−1). However, shuttle effect of polysulfide seriously affects cycling stability Li-S battery. Here, a novel Fe3C-decorated folic acid-derived graphene-like N-doped carbon sheet (Fe3C@N-CS) was succe...

Low-cost and flexible solid polymer electrolytes are promising in all-solid-state Li-metal batteries with high energy density safety. However, both the low room-temperature ionic conductivities small Li+ transference number of these significantly increase internal resistance overpotential battery. Here, we introduce Gd-doped CeO2 nanowires large surface area rich oxygen vacancies to electrolyte...

Li-Ion batteries are widely preferred in electric vehicles. The charge status of batteries is a critical evaluation issue, and many researchers are studying in this area. State of charge gives information about how much longer the battery can be used and when the charging process will be cut off. Incorrect predictions may cause overcharging or over-discharging of the battery. In this study, a l...

Gradient Mn-La-Pt catalysts with three-layered structure of manganese dioxide (MnO2), lanthanum oxide (La2O3), and Platinum (Pt) for Li-O2 battery are prepared in this study. The mass ratio of the catalysts is respectively 5:2:3, 4:2:4, and 3:2:5 (MnO2: La2O3: Pt) which is start from the side of the electrolyte. The relationship between morphology structure and electrochemical performance of gr...