The emergence of nanotechnology has opened a new path for the development of battery technology. It not only significantly improves the energy density …
Carbon materials, including graphite, hard carbon, soft carbon, graphene, and carbon nanotubes, are widely used as high-performance negative electrodes for sodium-ion and potassium-ion batteries (SIBs and PIBs). Compared with other materials, carbon materials ...
The developed supercapacitor containing a carbon xerogel as a negative electrode, the MnO2/AgNP composite as a positive electrode and a Na+-exchange …
Importance of carbon additives to the positive electrode in lead-acid batteries. • Mechanism underlying the addition of carbon and its impact is studied. • …
A planetary ball mill at 300 rpm for 1 h (FRITSCH pulverisette 6) was used to mix electrode materials followed by high energy probe ultrasonication for 2 h (20Hz and 750W, Vibra-cell, Sonics Inc.). The cathode active material was LiFePO 4 with a particle size of ~300 nm (Hydro-Québec, Canada), the anode active material was Li 4 Ti 5 O 12 …
Carbon materials, including graphite, hard carbon, soft carbon, graphene, and carbon nanotubes, are widely used as high-performance negative electrodes for sodium-ion and …
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In this study, the chemical mechanisms for carbon electrode degradation are investigated and distinct differences in the degradation mechanisms on positive and negative electrodes have been revealed. A combination of surface analysis techniques such as X-ray photoelectron spectroscopy (XPS), Raman spectroscopy, and …
In addition, the ion and electron transport properties of traditional electrode materials are poor, resulting in a limited charging and discharging rate of the battery. The emergence …
Lithium-ion batteries (LIBs) possess several advantages over other types of viable practical batteries, ... In this review, recent progress of LIBs is reviewed with a focus on positive electrode …
Designing and developing advanced energy storage equipment with excellent energy density, remarkable power density, and outstanding long-cycle performance is an urgent task. Zinc-ion hybrid supercapacitors (ZIHCs) are considered great potential candidates for energy storage systems due to the features of high power density, stable …
Section snippets High-energy Li-ion anodes In the search for high-energy density Li-ion batteries, there are two battery components that must be optimized: cathode and anode. Currently available cathode materials for Li-ion batteries, such as LiNi 1/3 Mn 1/3 Co 1/3 O 2 (NMC) or LiNi 0.8 Co 0.8 Al 0.05 O 2 (NCA) can provide practical specific …
Fig. 1 shows the discharge curves of the negative electrode sheets with different contents of AC at 3C and 5C discharge rates. The experimental results show that the discharge time is significantly affected by the amount of AC in NAM. It can be seen from Fig. 1 that, at 3C and 5C discharge rates, the discharge time of the negative electrode …
A first review of hard carbon materials as negative electrodes for sodium ion batteries is presented, covering not only the electrochemical performance but also the synthetic methods and microstructures. The relation between the …
A first review of hard carbon materials as negative electrodes for sodium ion batteries is presented, covering not only the electrochemical performance but also the synthetic methods and microstructures. The relation between the reversible and irreversible capacities achieved and microstructural features is described and illustrated with specific …
Chapter 3 Lithium-Ion Batteries 3 1.1. Nomenclature Colloquially, the positive electrode in Li -ion batteries is routinely referred to as the "cathode" and the negative electrode as the "anode." This can lead to confusion because which electrode is undergoing oxidation ...
Here we propose a method to synthesize sustainable high-quality nanotube-like pyrolytic carbon using waste pyrolysis gas from the decomposition of waste epoxy resin as …
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