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Regulated interface conduction in halide solid electrolyte for all-solid-state sodium batteries

delete2025-08-06
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PRE
AI
L
Li-Hai Zhou
李
李兵 (Bing Li)
W
Weiping Li
张思东 封面图
张思东 (Sidong Zhang)
C
Cheng Chen
X
Xuefeng Wang
W
Weidong Zhou *
DOI:10.1007/s42864-025-00343-ydelete
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摘要

摘要

En 中文
全固态钠离子电池(ASSSIBs)采用无机固态电解质,具有增强的安全性,并作为极具潜力的候选者脱颖而出,适用于下一代储能系统。在此,报道了一种在室温下具有高离子电导率(1.52 × 10‒4 S·cm‒1)的氧掺杂Na2ZrCl6(NZC)复合电解质。该复合电解质通过机械化学反应制备,形成了高离子导电界面,由ZrO2与NZC之间的氧化物组成。一系列表征证实,氧与钠离子发生相互作用,导致界面处Na+扩散性增强。由NaNi1/3Fe1/3Mn1/3O2正极、Na15Sn4负极、Na3PS4负极中间层以及ZrO2-NZC电解质组成的ASSSIBs,表现出104.9 mAh·g‒1的高放电容量,显著优于基准NZC电解质。这项工作为改善卤化物固态电解质中的离子迁移提供了方法思路,以实现全固态电池的实用可行性。
Keyword:
Halie solid electrolyte
Interface regulation
High ionic conductivity
All-solid-state sodium-ion batteries

期刊

Tungsten 封面图
Tungsten
IF:
11.2
论文数:
374
被引数:
2.0K

机构

C
College of Materials Science and Engineering
学者数:
1.5K
论文数: 423
被引数: 0
B
beijing national laboratory for condensed matter physics
学者数:
97
论文数: 29
被引数: 1
引用论文

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