ChemElectroChem

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Ultrasmall Iron Fluoride Nanoparticles Embedded in Graphitized Porous Carbon Derived from Fe‐Based Metal Organic Frameworks as High‐Performance Cathode Materials for Li Batteries
ChemElectroChem - Tập 6 Số 8 - Trang 2189-2194 - 2019
Naiqing Zhang, Nannan Liu, Chengzhi Sun, Lishuang Fan, Kening Sun
AbstractIron‐based metal organic framework (MOF) MIL‐53 is used as a precursor and self‐template to synthesize a 3D porous carbon/FeF3 ⋅ 0.33 H2O composite in situ. We find that the organic ligands in iron‐containing MOFs can convert into highly graphitized carbon with the catalysis of central Fe atoms. The FeF3... hiện toàn bộ
Multifunctional Separator with Porous Carbon/Multi‐Walled Carbon Nanotube Coating for Advanced Lithium−Sulfur Batteries
ChemElectroChem - Tập 5 Số 1 - Trang 71-77 - 2018
Lei Tan, Xinhai Li, Zhixing Wang, Huajun Guo, Jiexi Wang, Liang An
AbstractAn issue associated with lithium−sulfur (Li−S) batteries is polysulfide dissolution, leading to the serious crossover of polysulfide to the Li anode. To address this issue, we report on a multifunctional separator prepared by introducing a porous carbon/multi‐walled carbon nanotube (PC/MWCNT) composite into a commercial separator. It shows that the PC/MWCNT...... hiện toàn bộ
Cyclic Voltammetry is Invasive on Microbial Electrosynthesis
ChemElectroChem - Tập 8 Số 17 - Trang 3384-3396 - 2021
Sanne M. de Smit, Cees J.N. Buisman, Johannes H. Bitter, David P. B. T. B. Strik
AbstractCyclic voltammetry (CV) is expected to cause changes in the biocathode composition, especially when using low scan rates. A recent finding stated that CV triggered further biocatalytic activity in microbial electrosynthesis systems (MES), leading to the aim of our study: to investigate the invasiveness of CV on MES. The present study confirms that a CO... hiện toàn bộ
Molten Salt Derived Nb2CTx MXene Anode for Li‐ion Batteries
ChemElectroChem - Tập 8 Số 5 - Trang 957-962 - 2021
Hongbin Dong, Xiao Peng, Na Jin, Binbin Wang, Ying Liu, Zifeng Lin
Abstract2D MXenes, are receiving increasing attention thanks to their outstanding performance for electrochemical energy‐storage applications. So far, Ti3C2 is the most studied MXene, while less effort is dedicated to investigating many other MXenes. In this paper, we report the preparation of Nb2CT... hiện toàn bộ
Solvothermal Fabrication of Hollow Nanobarrel‐Like ZnCo2O4 Towards Enhancing the Electrochemical Performance of Rechargeable Lithium‐Ion Batteries
ChemElectroChem - Tập 4 Số 9 - Trang 2218-2224 - 2017
Zhen Wang, Qiang Ru, Xiaoqiu Chen, Qing Guo, Bei Wang, Xianhua Hou, Shejun Hu
AbstractHollow nanobarrel‐like ZnCo2O4 has been designed and synthesized by means of a simple solvothermal method and subsequent calcination. The obtained samples were systematically characterized by powder X‐ray diffraction (XRD), field emission scanning electron microscopy (FESEM), high‐resolution transmission electron mi...... hiện toàn bộ
Transition‐Metal‐Modified Polyaniline Nanofiber Counter Electrode for Dye‐Sensitized Solar Cells
ChemElectroChem - Tập 3 Số 11 - Trang 1922-1926 - 2016
Kezhong Wu, Lei Chen, Xiaolong Sun, Mingxing Wu
AbstractNovel polyaniline (PANI) nanofiber counter electrodes (CEs) modified with different transition metal ions were synthesized and showed remarkable catalytic activity for dye‐sensitized solar cells (DSSCs). The PANI nanofiber–transition metal ion electrodes were characterized by using Fourier transform infrared spectroscopy, scanning electron microscopy, curre...... hiện toàn bộ
Controllable Intercalated Polyaniline Nanofibers Highly Enhancing the Utilization of Delaminated RuO2 Nanosheets for High‐Performance Hybrid Supercapacitors
ChemElectroChem - Tập 9 Số 9 - 2022
Gaini Zhang, Lingjuan Deng, Jinqian Liu, Jianhua Zhang, Jingjing Wang, Wenbin Li, Xifei Li
AbstractRuthenium oxide (RuO2) and polyaniline (PANI) are attracting extensive attention as electrode materials due to their remarkable pseudocapacitance. However, RuO2 suffers from low utilization and PANI sustains poor stability. Herein, both defects were optimized by designing intercalated‐structure PANI/RuO2... hiện toàn bộ
Impact of Alkali Cation Identity on the Conversion of HCO3− to CO in Bicarbonate Electrolyzers
ChemElectroChem - Tập 8 Số 11 - Trang 2094-2100 - 2021
Arthur G. Fink, Eric W. Lees, Zishuai Zhang, Shaoxuan Ren, Roxanna S. Delima, Curtis P. Berlinguette
AbstractThe reduction of CO2 to CO from a bicarbonate feedstock offers an opportunity to directly use aqueous carbon capture solutions, while bypassing ex‐situ energy‐intensive gaseous CO2 regeneration. In this study, we resolved how the electrolyte cation identity (Li+, Na... hiện toàn bộ
Oxit Graphene Giảm/Quặng Marcasite-Co Se2 Nanocrystals Làm Anode Cho Pin Lithium-Ion Với Hiệu Suất Tuần Hoàn Tuyệt Vời Dịch bởi AI
ChemElectroChem - Tập 2 Số 11 - Trang 1682-1686 - 2015
Zhangpeng Li, Hongtao Xue, Jinqing Wang, Yongbing Tang, Chun‐Sing Lee, Shengrong Yang
Tóm tắtChúng tôi báo cáo về một hợp chất graphene/selenide cobalt (rGO/CoSe2) được sử dụng làm vật liệu anode cho pin lithium-ion. Hợp chất đã được chế tạo cho thấy hình thái nhăn nheo với các hạt nano CoSe2 được neo chặt/bao bọc trên/trong các tấm rGO. Hợp chất rGO/CoSe2 thể hiện hiệu suất điện hóa cao...... hiện toàn bộ
Reduced Lithium/Nickel Disorder Degree of Sodium‐Doped Lithium‐Rich Layered Oxides for Cathode Materials: Experiments and Calculations
ChemElectroChem - Tập 7 Số 1 - Trang 246-251 - 2020
Yongyuan Hu, Zhongzheng Qin, Jian Pei, Bowen Cong, Xu Yang, Gang Chen
AbstractSluggish kinetics and poor electrochemical stability limit the implications of Li‐rich layered oxide cathode materials, which are regarded as one of the most promising potential cathode materials for lithium‐ion batteries. In this work, a Na‐doped Li‐rich layered oxide (abbreviated as N‐LLO) cathode material is prepared through co‐precipitation combined wit...... hiện toàn bộ
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