This work demonstrates that fundamental investigations of SRR kinetics are essential to designing a wide range of nanocomposite catalysts capable of enabling high-power performance in Li||S.
Can a selenium-carbon cathode be used for high-power lithium-selenium batteries?
The as-prepared selenium-carbon (Se@Co SA -HC) cathodes deliver a high discharge capacity, a superior rate capability, and excellent cycling stability with a Coulombic efficiency of ~100%. This work could open an avenue for achieving long cycle life and high-power lithium-selenium batteries.
Is fluorinated hard carbon a cathode of lithium primary batteries?
The electrochemical performances of fluorinated hard carbon as the cathode of lithium primary batteries. Compos. Commun. 2020, 21, 100396.
Which carbon materials can be used for li-se batteries?
Many porous carbon materials have been studied to construct Se/porous carbon composites for Li–Se batteries, such as carbon nanospheres 14, 15, carbon nanofibers 16, hierarchical porous carbon 17 and porous hollow carbon bubbles 18.
Can high-power Li||S batteries be designed for fast charge and discharge?
The operability of the Li||S cell with the CoZn/carbon catalyst at high current rates demonstrates the possibility of designing Li||S batteries capable of fast charge and discharge (for example, <5 min). Fig. 6: Electrochemical testing of high-power Li||S batteries.
How can lithium rechargeable batteries improve power characteristics?
Considerable research efforts have been focused on increasing the power characteristics of lithium rechargeable batteries by reducing the dimensions of lithium storage materials down to the nanometre scale 4, 5, 6, 7, 8, 9, 10, 11, 12, which would reduce the lithium diffusion time that accompanies the Faradaic reactions of active particles.
Are lithium batteries based on selenium?
A new class of lithium and sodium rechargeable batteries based on selenium and selenium–sulfur as a positive electrode. J. Am. Chem. Soc. 134, 4505–4508 (2012). Luo, C. et al. Selenium@mesoporous carbon composite with superior lithium and sodium storage capacity. ACS Nano 7, 8003–8010 (2013). Xin, S. et al.