Solving the Residual Lithium Problem by Substoichiometric Synthesis of Layered Ni-Rich Oxide Cathodes

被引：1

作者：

Karger, Leonhard ^{[1
]}

Yao, Rui ^{[1
]}

Seidel, Karsten ^{[2
]}

Nascimento Nunes, Barbara ^{[1
]}

Roy, Ananyo ^{[1
]}

Zhang, Ruizhuo ^{[1
]}

Janek, Jurgen ^{[1
,3
,4
]}

Kondrakov, Aleksandr ^{[1
,2
]}

Brezesinski, Torsten ^{[1
]}

机构：

[1] Karlsruhe Inst Technol KIT, Inst Nanotechnol, Battery & Electrochem Lab BELLA, D-76131 Karlsruhe, Germany

[2] BASF SE, D-67056 Ludwigshafen, Germany

[3] Justus Liebig Univ Giessen, Inst Phys Chem, D-35392 Giessen, Germany

[4] Justus Liebig Univ Giessen, Ctr Mat Res ZfM LaMa, D-35392 Giessen, Germany

来源：

ACS ENERGY LETTERS | 2024年 / 9卷 / 11期

关键词：

Lithium compounds;

D O I：

10.1021/acsenergylett.4c02567

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Herein, we deliberately used substoichiometric amounts of lithium hydroxide for preparing layered Ni-rich oxide cathode materials with minor or even no residual lithium being present on the particle surface. This approach allows record capacities with LiNiO2 to be achieved while using up to 7% less lithium and avoiding tedious postprocessing steps, thus facilitating synthesis and improving battery performance.

引用

页码：5573 / 5575

页数：3

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