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Oxide solid electrolyte and preparation method and application thereof
The invention relates to the technical field of lithium ion batteries, in particular to an oxide solid electrolyte and a preparation method and application thereof. The preparation method of the oxide solid electrolyte comprises the following steps: S1, mixing oxide, lithium carbonate, ammonium dihydrogen phosphate and deionized water in parts by mass, granulating by adopting granulation equipment to obtain small balls with the particle size of 4-5mm, and drying the small balls to obtain a substance A; s2, sintering the substance A at high temperature, and cooling to obtain a substance B; and S3, crushing and screening the substance B to obtain the oxide solid electrolyte. The preparation method can effectively solve the interface resistance problem of lithium ions at the grain boundary in the transmission process, improves the ionic conductivity and rate capability of the oxide solid electrolyte, has the advantages of simplicity, low cost and the like, and is suitable for large-scale production.
本申请涉及锂离子电池技术领域,尤其涉及一种氧化物固态电解质及其制备方法与应用。一种氧化物固态电解质的制备方法,包括以下步骤:S1、按照质量份数,将氧化物、碳酸锂、磷酸二氢铵和去离子水混合,然后采用造粒设备进行造粒,得到粒径为4‑5mm的小球,然后将小球烘干、得到物质A;S2、将物质A进行高温烧结,降温冷却,得到物质B;S3、将物质B进行粉碎,筛分,得到氧化物固态电解质。本申请的制备方法能够有效解决锂离子在传输过程中在晶界处的界面阻力问题,提高氧化物固态电解质的离子电导率和倍率性能,同时具有简单、低成本等优点,适用于大规模生产。
Oxide solid electrolyte and preparation method and application thereof
The invention relates to the technical field of lithium ion batteries, in particular to an oxide solid electrolyte and a preparation method and application thereof. The preparation method of the oxide solid electrolyte comprises the following steps: S1, mixing oxide, lithium carbonate, ammonium dihydrogen phosphate and deionized water in parts by mass, granulating by adopting granulation equipment to obtain small balls with the particle size of 4-5mm, and drying the small balls to obtain a substance A; s2, sintering the substance A at high temperature, and cooling to obtain a substance B; and S3, crushing and screening the substance B to obtain the oxide solid electrolyte. The preparation method can effectively solve the interface resistance problem of lithium ions at the grain boundary in the transmission process, improves the ionic conductivity and rate capability of the oxide solid electrolyte, has the advantages of simplicity, low cost and the like, and is suitable for large-scale production.
本申请涉及锂离子电池技术领域,尤其涉及一种氧化物固态电解质及其制备方法与应用。一种氧化物固态电解质的制备方法,包括以下步骤:S1、按照质量份数,将氧化物、碳酸锂、磷酸二氢铵和去离子水混合,然后采用造粒设备进行造粒,得到粒径为4‑5mm的小球,然后将小球烘干、得到物质A;S2、将物质A进行高温烧结,降温冷却,得到物质B;S3、将物质B进行粉碎,筛分,得到氧化物固态电解质。本申请的制备方法能够有效解决锂离子在传输过程中在晶界处的界面阻力问题,提高氧化物固态电解质的离子电导率和倍率性能,同时具有简单、低成本等优点,适用于大规模生产。
Oxide solid electrolyte and preparation method and application thereof
一种氧化物固态电解质及其制备方法与应用
ZHOU SHI (author) / LI YUNJUAN (author) / CAI CHONGSHEN (author) / HU YISONG (author)
2024-10-15
Patent
Electronic Resource
Chinese
European Patent Office | 2017
European Patent Office | 2017
|Solid electrolyte material, preparation method and application thereof
European Patent Office | 2024
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