Anti‐Aggregation of Nanosized CoS2 for Stable K‐Ion Storage: Insights into Aggregation‐Induced Electrode Failures (Adv. Energy Mater. 29/2022). Issue 29 (4th August 2022)

• Record Type: Journal Article
• Authors: Zhang, Hehe; Cheng, Yong; Sun, Jingjie; Ye, Weibin; Ke, Chengzhi; Cai, Mengting; Gao, Haowen; Wei, Ping; Zhang, Qiaobao; Wang, Ming‐Sheng
• Is Part Of: Advanced energy materials. Volume 12:Issue 29(2022)
• Page Start: n/a
• Page End: n/a
• Publication Date: 2022-08-04
• Subjects: aggregation‐induced electrode failures -- anti‐aggregation effect -- in situ TEM -- potassium‐ion batteries -- transition metal chalcogenides; Energy harvesting -- Materials -- Periodicals; Energy conversion -- Materials -- Periodicals; Energy storage -- Materials -- Periodicals; Photovoltaics -- Periodicals; Fuel cells -- Periodicals; Thermoelectric materials -- Periodicals; 621.31
• DOI: 10.1002/aenm.202270126
• Languages: English
• ISSNs: 1614-6832

Abstract

Abstract : Potassium‐Ion Batteries In article number 2201259, Ming‐Sheng Wang and co‐workers reveal the mechanism of the aggregation of nanosized anode materials upon potassiation by in/ex‐situ electron microscopies, which is found to be a crucial reason for serious electrode failures. An anti‐aggregation strategy is further proposed through isolating the nanoparticles inside individual carbon nanoshells, which prevents their extensive aggregation across the electrode, resulting in superior electrochemical stability.