The development of large-capacity or high-voltage positive-electrode materials has attracted significant research attention; however, their use in commercial lithium-ion batteries remains a challenge from the viewpoint …
The development of large-capacity or high-voltage positive-electrode materials has attracted significant research attention; however, their use in commercial lithium-ion batteries remains a challenge from the viewpoint …
3. Recent trends and prospects of cathode materials for Li-ion batteries The cathodes used along with anode are an oxide or phosphate-based materials routinely used in LIBs [38].Recently, sulfur and potassium were doped in …
In this study, lignin derived from black liquor was used as a raw material to prepare carbon materials through different activation methods including KOH, H 3 PO 4, and steam activation. The structure and properties of obtained samples were characterized as well as electrochemical performance when applied on a lithium-oxygen battery.
The crystal structure of the nickel battery positive electrode material, β-NiOOH, is analyzed through a joint approach involving NMR and FTIR spectroscopies, powder neutron diffraction and DFT calculations. The obtained results confirm that structural changes occur during the β-Ni(OH)2/β-NiOOH transformation
A battery chemistry shall provide an E mater of ∼1,000 Wh kg −1 to achieve a cell-level specific energy (E cell) of 500 Wh kg −1 because a battery cell, with all the inert components such as electrolyte, current collectors, and packing materials added on top of the weight of active materials, only achieves 35%–50% of E mater. 2, 28 Figure …
An iron-based pyrophosphate compound, Na2FeP2O7, is investigated as a positive electrode material for aqueous sodium-ion batteries for the first time. The high rate capability and good cyclability of this material in aqueous electrolytes are advantageous for low-cost and safe battery systems.
Na3V2(PO4)2F3 is a novel electrode material that can be used in both Li ion and Na ion batteries (LIBs and NIBs). The long- and short-range structural changes and ionic and electronic mobility of Na3V2(PO4)2F3 as a positive electrode in a NIB have been investigated with electrochemical analysis, X-ray diffraction (XRD), and high-resolution 23 …
Co-free Ni-rich (Ni ≥ 80 at%) layered positive electrode materials have been attracting attention for lithium-ion batteries with high energy density and low cost. In this study, LiNixAl1−xO2 (x = 0.92, 0.95), in which Ni and Al are atomically mixed, was synthesized. LiNiO2, LiNi0.95Co0.05O2 and LiNi0.95Co0.0
Moreover, the recent achievements in nanostructured positive electrode materials for some of the latest emerging rechargeable batteries are also summarized, such as Zn-ion batteries, F- and Cl-ion batteries, …
The development of efficient electrochemical energy storage devices is key to foster the global market for sustainable technologies, such as electric vehicles and smart grids. However, the energy density of state-of-the-art lithium-ion batteries is not yet sufficient for their rapid deployment due to the per
Efficient lead-acid batteries are essential for future applications. • Importance of carbon additives to the positive electrode in lead-acid batteries. • Mechanism underlying the addition of carbon and its impact is studied. • Beneficial effects of carbon materials for the
The mass and volume of the anode (or cathode) are automatically determined by matching the capacities via the N/P ratio (e.g., N/P = 1.2), which states the balancing of anode (N …
Herein, positive electrodes were calendered from a porosity of 44–18% to cover a wide range of electrode microstructures in state-of-the-art lithium-ion batteries. Especially highly densified electrodes cannot simply be described by a close packing of active and inactive material components, since a considerable amount of active material particles crack due …
The intrinsic structures of electrode materials are crucial in understanding battery chemistry and improving battery performance for large-scale …
A near dimensionally invariable high-capacity positive ...
Development of vanadium-based polyanion positive ...
Rechargeable solid-state batteries have long been considered an attractive power source for a wide variety of applications, and in particular, lithium-ion batteries are emerging as the technology ...
With the importance of Li-ion and emerging alternative batteries to our electric future, predicting new sustainable materials, electrolytes, and complete cells that safely provide high performance, long life, and energy dense capability is critically important.
Metal electrodes, which have large specific and volumetric capacities, can enable next-generation rechargeable batteries with high energy densities. The charge and discharge processes for metal ...
There are three Li-battery configurations in which organic electrode materials could be useful (Fig. 3a).Each configuration has different requirements and the choice of material is made based on ...
Battery modeling has become increasingly important with the intensive development of Li-ion batteries (LIBs). The porous electrode model, relating battery performances to the internal physical and …