Chen, Yu; Li, Jiyang; Kong, Xiangbang; Zhang, Yiyong; Zhang, Yingjie; Zhao, Jinbao published the artcile< Enhancing Catalytic Conversion of Polysulfides by Hollow Bimetallic Oxide-Based Heterostructure Nanocages for Lithium-Sulfur Batteries>, HPLC of Formula: 112-63-0, the main research area is catalytic conversion polysulfides copper iron oxide lithium sulfur battery.
Performance improvement of lithium-sulfur batteries (LSBs) is restricted by the dissolution and shuttle of lithium polysulfides (LiPSs). Prussian blue analogs (PBAs) and their derived nanomaterials are ideal sulfur-fixing materials owing to their abilities to anchor LiPSs, accelerate redox conversion, and smooth Li2S precipitation Herein, the hollow CoxFe3-xO4 heterostructure nanocages with highly interconnected pore architecture obtained by a PBA-assisted strategy are synthesized to overcome the abovementioned obstructions of LSBs. It is found that the bimetallic oxide-based heterostructure can not only inhibit LiPS diffusion via forming metal-sulfur bonds but also accelerate the LiPS conversion kinetics. Meanwhile, the hollow porous structure contributes to the phys. confinement of LiPSs and acts as a buffer for the volume change. Thereby, the rate capability and cycling stability of hollow CoxFe3-xO4@S composite electrodes have been improved significantly. As a result, the hollow CoxFe3-xO4@S cell displays an excellent initial capacity of 1301.6 mAh g-1 at a c.d. of 200 mA g-1. Even at 1 A g-1, it exhibits an outstanding initial capacity of 898.9 mAh g-1 with a negligible capacity loss rate, which is only 0.106% per cycle after 500 cycles. This work provides a new perspective for the construction and design of multifunctional hollow heterostructure materials for more efficient and stable LSBs.
ACS Sustainable Chemistry & Engineering published new progress about Adsorption (isotherm). 112-63-0 belongs to class esters-buliding-blocks, and the molecular formula is C19H34O2, HPLC of Formula: 112-63-0.
Referemce:
Ester – Wikipedia,
Ester – an overview | ScienceDirect Topics