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Cover Feature: Porous Isomeric Li 2.5 Na 0.5 V 2 (PO 4 ) 3 Wide Voltage Cathode for High‐Performance Lithium‐Ion Batteries Synthesized Through a Colloid Chemical Method (ChemElectroChem 10/2019)
Author(s) -
Wang Yaoyao,
Zhang Xudong,
He Wen,
Yang Wenhao,
Wei Chuanliang
Publication year - 2019
Publication title -
chemelectrochem
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.182
H-Index - 59
ISSN - 2196-0216
DOI - 10.1002/celc.201900608
Subject(s) - cathode , materials science , monoclinic crystal system , lithium (medication) , porosity , nanocomposite , transmission electron microscopy , chemical engineering , mineralogy , analytical chemistry (journal) , crystallography , nanotechnology , crystal structure , composite material , chemistry , organic chemistry , medicine , engineering , endocrinology
The Cover Feature shows a multiphase nanocomposite with stable porous structure for lithium‐ion‐battery cathodes. The nanocomposites are prepared by the colloid chemical method to obtain a porous structure and using cetyltrimethylammonium bromide as dispersant and carbon source. The unique multiphase porous structure is composed of monoclinic Li 3 V 2 (PO 4 ) 3 , rhombohedral Li 3 V 2 (PO 4 ) 3 and some rhombohedral Na 3 V 2 (PO 4 ) 3 . The porous structure and isomeric phase structure ensure fast electron transmission and Li + migration for ultrahigh specific discharge capacity and excellent cycling stability at a high current rate. More information can be found in the Article by Y. Wang et al. on page 2638 in Issue 10, 2019 (DOI: 10.1002/celc.201900040).
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