Sodium nickel oxide nanoporous cathodes used for sodium-ion rechargeable batteries

Abstract

The initial research on rechargeable batteries started focusing on both Lithium and Sodium but Lithium was more attracted because of its higher energy density. Later considering the cost of lithium, research has been directed to explore the possibility of using Sodium for rechargeable batteries because of its high abundance and low cost compared to Lithium. In this study we focuses on sodium Nickel oxide as the cathode material of the sodium iron rechargeable battery and tests were carried out to find the formation of crystal structure. Synthesis of NaxNiO2 nonporous active material were made using solid state reactions at 700°C and the material development was studied by XRD characterizing technique. The developed NaxNiO2 was used as the active cathode material in a rechargeable half cell. The characterization confirmed the crystal structure of NaNiO2 to be monoclinic, and also its surface morphology. Electron transition status test revealed the specific energy band gap to be 5.16 eV. Charge transfer resistance of the cathode material obtained was 13,121 Ω. The further investigations on charge discharge revealed the maximum efficient charging rate per gram as 7.5 mA for 0.12 hours and maximum rate of discharge for maximum charge retention as 25 mA rate of charge per gram of NaxNiO2 which was the active

Development of Sodium-Ion Rechargeable Battery Using Sodium Cobalt Phosphate Cathode

“…They were typically limited as a single battery pack. Cobalt/nickel-based materials with layered structures are typically used as positive electrodes for high energy but small sized batteries (De Silva et al, 2014). A number of cathode material groups were tested and employed for Lithium-ion batteries.…”

“…Sodium ion batteries have been attracting more and more researchers meanwhile due to the fact that the high abundance of sodium reduces the cost (Zhao et al, 2016). Although research interest about Sodium-ion batteries are relatively younger than the other battery technologies, it has a great potential because of its low cost (De Silva et al, 2014).…”

Unveiling the physiochemical aspects of the matrix in improving sulfur-loading for room-temperature sodium–sulfur batteries

“…9 In addition, sodium-sulfur electrochemistry offers several other advantages, such as (1) stable-operation, (2) minimal self-discharge, (3) low-cost per cycle, (4) high energy efficiency, and (5) non-toxicity. 10 Significant progress has been made in high-temperature sodium-sulfur (HT-Na/S) battery technology owing to its high theoretical energy density (760 W h kg À1 ) and power capability with excellent durability for over 15 years or 2500 cycles. 11 HT-Na/S batteries as cutting-edge technology have found applications in space, electric vehicles grid storage, and aeronautics.…”