出版日期：2025-06-24 00:00:00

著者：Yu-Sheng Hsiao; Jen-Hsien Huang; Tzu-Hsien Hsieh; Lin-Yang Weng; Sheng-Wei Liao; Yin-Cheng Yen; Wei Kong Pang; Shih-Chieh Hsu; Huei Chu Weng; Yu-Ching Huang

著錄名稱、卷期、頁數：Journal of the Taiwan Institute of Chemical Engineers 184, 106243

摘要：Background Silicon monoxide (SiOx, 0 < x < 2) faces limitations in commercial applications due to its poor electrical conductivity and significant volume expansion during operation. Methods In this study, SiOx-based composites (C-SiOx) integrated with graphite (GF), soft carbon (SC), and asphalt (AP) were prepared using a spray-drying method followed by high-temperature carbonization. Moreover, the C-SiOx electrode was further modified with a thin Al2O3 layer via atomic layer deposition (ALD). To practically assess the potential application of the as-prepared C-SiOx composite, soft-packed lithium-ion batteries (LIBs) incorporating C-SiOx as the anode and LiNi0.5Mn1.5O4 (LNMO) as the cathode, were fabricated. Significant findings The blended GF and SC within the C-SiOx microspheres significantly enhance electrical conductivity and act as buffers to mitigate volume changes during the charge/discharge process. Additionally, the AP forms a thin, amorphous carbon coating on the SiOx surface during the thermal annealing process, improving ionic transport. The ALD-coated Al2O3 effectively isolates the electrode from direct contact with the electrolyte, thereby suppressing undesired side reactions. As a result, the full LIB utilizing the Al2O3-modified C-SiOx anode exhibits milder gassing behavior, a lower expansion rate, and improved cyclability.

語言：en

ISSN：1876-1089; 1876-1070

期刊性質：國外

收錄於：SCI

審稿制度：否

國別：TWN

出版型式：電子版,紙本