Polyanion-type cathode materials for sodium-ion batteries

Room-temperature sodium-ion batteries (SIBs) are regarded as promising candidates for smart grids and large-scale energy storage systems (EESs) due to their significant benefits of abundant and low-cost sodium resource. Among the previously reported cathode materials for SIBs, layered transition-met...

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Published inChemical Society reviews Vol. 49; no. 8; pp. 2342 - 2377
Main Authors Jin, Ting, Li, Huangxu, Zhu, Kunjie, Wang, Peng-Fei, Liu, Pei, Jiao, Lifang
Format Journal Article
LanguageEnglish
Published England Royal Society of Chemistry 21.04.2020
Subjects
ambient temperature
anions
Bonding strength
Cathodes
Chemical evolution
Covalent bonds
electric potential difference
Electrode materials
Energy storage
Metal oxides
molecular weight
oxygen production
phase transition
Phase transitions
Phosphates
Polyelectrolytes
pyrophosphates
Rechargeable batteries
Room temperature
Silicates
Silicon
Smart grid
Sodium
Sodium-ion batteries
Storage systems
Transition metal oxides
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Summary:Room-temperature sodium-ion batteries (SIBs) are regarded as promising candidates for smart grids and large-scale energy storage systems (EESs) due to their significant benefits of abundant and low-cost sodium resource. Among the previously reported cathode materials for SIBs, layered transition-metal oxides and polyanion-type materials are considered to be the most attractive options. Although many layered transition-metal oxides can provide high capacity due to their small molecular weight, their further application is hindered by low output voltage (mostly lower than 3.5 V), irreversible phase transition as well as storage instability. Comparatively, polyanion-type materials exhibit higher operating potentials due to the inductive effect of polyanion groups. Their robust 3D framework significantly decreases the structural variations during sodium ion de/intercalation. Moreover, the effect of strong X-O (X = S, P, Si, etc. ) covalent bonds can effectively inhibit oxygen evolution. These advantages contribute to the superior cycle stability and high safety of polyanion-type materials. However, low electronic conductivity and limited capacity still restrict their further application. This review summarizes the recent progress of polyanion-type materials for SIBs, which include phosphates, fluorophosphates, pyrophosphates, mixed phosphates, sulfates, and silicates. We also discuss the remaining challenges and corresponding strategies for polyanion-type materials. We hope this review can provide some insights into the development of polyanionic materials. This review summarizes the recent progress and remaining challenges of polyanion-type cathodes, providing guidelines towards high-performance cathodes for sodium ion batteries.
Bibliography:Kunjie Zhu received his BS (2015) and MS (2018) from the School of Material Science and Engineering, Central South University in China. Currently, he is a PhD student in the group of Prof. Lifang Jiao at Nankai University. His research interest mainly focuses on the design of novel nanomaterials and their applications for energy storage and conversion.
Lifang Jiao is currently a Professor at Nankai University, China. She received her PhD degree from Nankai University (China) in 2005. She has coauthored over 190 relevant peer-reviewed publications, including 10 ESI highly cited papers. Her current research is focused on energy conversion and storage, and electrocatalytic hydrogen evolution.
Ting Jin received her BS degree in materials chemistry from Northwest University (China) in 2015. Currently, she is a PhD student in the group of Prof. Lifang Jiao at Nankai University (China). Her research interests focus on design and fabrication of advanced electrode materials for energy storage and conversion, such as rechargeable lithium-ion and sodium-ion batteries.
Huangxu Li received his BS and MS degrees from Central South University (China) in 2016 and 2019, respectively. Currently, he is a PhD student in the group of Prof. Hua Zhang at City University of Hong Kong (China). His research interest focuses on secondary battery technologies, phase-engineering of nanomaterials and their applications.
Pei Liu received her BS degree in chemistry from Nankai University (China) in 2018. At present, she is a graduate student under the supervision of Prof. Lifang Jiao at Nankai University (China). Her research currently focuses on the design and preparation of advanced anode electrode materials for rechargeable sodium-ion batteries.
Dr Peng-Fei Wang received his PhD degree in Physical Chemistry from the Institute of Chemistry, Chinese Academy of Sciences (2018). He is currently a postdoctoral fellow at the University of Maryland-College Park. His research focuses on high performance cathodes for lithium/sodium-ion batteries.
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ISSN:0306-0012
1460-4744
1460-4744
DOI:10.1039/c9cs00846b