Low-Temperature Brazing Strategy for High Voltage Na<sub>4</sub>MnCr(PO<sub>4</sub>)<sub>3</sub> Cathode-Based Solid-State Sodium-Ion Batteries
All-solid-state sodium-ion batteries (ASSIBs) with inorganic solid electrolytes can achieve high safety and high energy density when paired with a high-voltage cathode. However, the slow charge transfer and chemical instability between the high-voltage cathode and rigid electrolyte seriously restrict its development. Herein, a high energy density Na<sub>4</sub>MnCr(PO<sub>4</sub>)<sub>3</sub>-based ASSIBs have been achieved by using a simple low-temperature brazing strategy. The <i>in situ</i> generated secondary phase can not only achieve close contact and rapid charge transfer between the Na<sub>4</sub>MnCr(PO<sub>4</sub>)<sub>3</sub> cathode and electrolyte but also change the interface electric field distribution and reduce interface side reactions effectively. This strategy is simple and easy to implement and has important guidance for the development of other high-energy all-solid-state batteries.
Authors
- Yongguang Liu (ORCID: https://orcid.org/0000-0002-1356-4134)
- Xiangyu Han (ORCID: https://orcid.org/0009-0000-4685-4325)
- Lei Dai (ORCID: https://orcid.org/0000-0002-5662-0765)
- Ling Wang (ORCID: https://orcid.org/0000-0002-1655-0854)
- Shan Liu (ORCID: https://orcid.org/0000-0002-8554-6306)
- Jiaqi Wang (ORCID: https://orcid.org/0009-0008-7293-3156)
Institutions
- North China University of Science and Technology (CN)
- Tangshan College (CN)
- Sanyo (Japan) (JP)
Publication Details
- Journal
- ACS Applied Materials & Interfaces
- Published
- 2025-03-11
- DOI
- https://doi.org/10.1021/acsami.4c22739
- Citations
- 7
- Primary Topic
- Advancements in Battery Materials
- Type
- article
- Field-Weighted Citation Impact
- 5.11
Funders
- National Natural Science Foundation of China