This mini-review discusses the recent trends in electrode materials for Li-ion batteries. Elemental doping and coatings have modified many of the commonly used electrode materials, which are used either as anode or cathode materials. This has led to the high diffusivity of Li ions, ionic mobility and conductivity apart from specific capacity.
They have many different electroactive materials such as carbon-based materials, alloys, transition metal oxides, and conducting polymers. If the energy density is higher than power density, it can mostly be called as battery-like electrode. If the power density is higher than energy density, it can mostly be called as capacitor-like electrode.
In battery charging process, Na metal oxidizes in negative electrode to form Na + ions. They can pass the membrane and positive electrode side in sodium hexafluorophosphate (NaPF 6)/dimethylcarbonate-ethylene carbonate (DMC-EC) (50%/50% by volume). Mostly positive electrode has carbon-based materials such as graphite, graphene, and carbon nanotube.
Electrochemical material in batteries which is the background of batteries and more precisely Li-ion battery, lead-acid battery, Li-S battery, Ni-Cd battery, Ni-metal hydride battery, and Na-ion battery, architecture, and electrode (anode/cathode)-based electroactive materials. d.
2. Recent trends and prospects of anode materials for Li-ion batteries The high capacity (3860 mA h g −1 or 2061 mA h cm −3) and lower potential of reduction of −3.04 V vs primary reference electrode (standard hydrogen electrode: SHE) make the anode metal Li as significant compared to other metals , .
A porous Sb/PANI anode material was used in sodium-ion batteries, which shows high capacity (510 mA × g −1) due to large volume changes during electrochemical cycling.