Cell design and chemistry of commercial sodium-ion battery cells

被引：2

作者：

Marangon, Vittorio ^{[1
,2
]}

Bischof, Katharina ^{[3
]}

Regalado, Aislim Aracil ^{[3
]}

Keppeler, Miriam ^{[3
]}

Pogosova, Mariam ^{[1
,2
]}

Wan, Mintao ^{[1
,2
]}

Choi, Jaehoon ^{[1
,2
]}

Fleischmann, Simon ^{[1
,2
]}

Diemant, Thomas ^{[1
,2
]}

Wohlfahrt-Mehrens, Margret ^{[1
,3
]}

Hoelzle, Markus ^{[3
,4
]}

Waldmann, Thomas ^{[1
,3
,4
]}

Bresser, Dominic ^{[1
,2
,4
]}

机构：

[1] Helmholtz Inst Ulm HIU, Helmholtzstr 11, D-89081 Ulm, Germany

[2] Karlsruhe Inst Technol KIT, POB 3640, D-76021 Karlsruhe, Germany

[3] Zentrum Sonnenenergie & Wasserstoff Forsch Baden W, Helmholtzstr 8, D-89081 Ulm, Germany

[4] Ulm Univ UUlm, D-89069 Ulm, Germany

来源：

JOURNAL OF POWER SOURCES | 2025年 / 634卷

关键词：

Sodium-ion battery; Commercial cell; 18650 cylindrical cell; Layered oxide cathode; Hard carbon anode; Organic carbonate electrolyte; LAYERED OXIDE; LITHIUM; ELECTROLYTES; LI; CARBONS; ANODES; SEPARATORS; ENERGY;

D O I：

10.1016/j.jpowsour.2025.236496

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：

Commercially available 18650-type cylindrical sodium-ion battery (SIB) cells with a nominal capacity of 1.5 Ah are comprehensively investigated, yielding in-depth insights into the cell design, the chemical composition of the electrodes and the electrolyte composition. In addition, the performance of single electrodes as well as the complete cell as such - under both standard and harsher conditions - are investigated. The results reveal superior charge storage kinetics at the NaxNiyFezMn1-y-zO2-based cathode and rather sluggish kinetics at the hard carbon negative electrode, while the analysis of the already formed interphase indicates the presence of functional additives in the organic carbonate-based electrolyte. As such, this study reports a multi-disciplinary approach to assess the most relevant characteristics of commercial(-type) cells from the macro-scale to the micro-scale.

引用

页数：15

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