加锂胶体磷酸铁锂储能电池技术研究与应用

闫勇; 田孟羽; 黄学杰

doi:10.19799/j.cnki.2095-4239.2025.1084

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加锂胶体磷酸铁锂储能电池技术研究与应用

储能材料与器件 | 更新时间：2026-05-28

- 加锂胶体磷酸铁锂储能电池技术研究与应用
- Research and application of lithium-compensated gel-type lithium iron phosphate energy storage battery technology
- 储能科学与技术 2026年15卷第2期页码：321-332
- 作者机构：
  
  1.松山湖材料实验室，广东东莞 523808
  2.东莞市嘉锂材料科技有限公司，广东东莞 523808
  3.中国科学院物理研究所，北京 100191
- 作者简介：
  
  闫勇（1988—），男，博士，研究方向为锂离子电池及材料，E-mail：yanyong@sslab.org.cn；
  黄学杰，研究员，研究方向为锂离子电池及其关键材料，E-mail：xjhuang@iphy.ac.an。
- 基金信息：
  
  广东省基础与应用基础研究基金自然科学基金(2025A1515012904);国家自然科学基金(22409141)
- DOI：10.19799/j.cnki.2095-4239.2025.1084
  中图分类号： TM 911
- 收稿：2025-12-04，
  
  修回：2025-12-26，
  
  纸质出版：2026-02-28
- 稿件说明：
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闫勇, 田孟羽, 黄学杰. 加锂胶体磷酸铁锂储能电池技术研究与应用[J]. 储能科学与技术, 2026, 15(2): 321-332.

YAN Yong, TIAN Mengyu, HUANG Xuejie. Research and application of lithium-compensated gel-type lithium iron phosphate energy storage battery technology[J]. Energy Storage Science and Technology, 2026, 15(2): 321-332.
闫勇, 田孟羽, 黄学杰. 加锂胶体磷酸铁锂储能电池技术研究与应用[J]. 储能科学与技术, 2026, 15(2): 321-332. DOI： 10.19799/j.cnki.2095-4239.2025.1084.

YAN Yong, TIAN Mengyu, HUANG Xuejie. Research and application of lithium-compensated gel-type lithium iron phosphate energy storage battery technology[J]. Energy Storage Science and Technology, 2026, 15(2): 321-332. DOI： 10.19799/j.cnki.2095-4239.2025.1084.

摘要

随着“双碳”战略的深入推进，磷酸铁锂电池因其高安全性和长循环寿命已成为主流的新型储能技术，装机量迅速增加。然而，传统液态磷酸铁锂储能电池在长期静止不动的使用工况下，存在电解液层降、界面副反应加剧及热失控风险等问题，将制约其在电力储能系统中的进一步推广应用。本工作基于作者团队开发的新型Li

SiO

@S复合材料，提出了一种加锂胶体磷酸铁锂电池技术。该技术通过在磷酸铁锂正极极片中添加Li

SiO

@S，同时作为缓释加锂剂和电解液胶态化引发剂，达到显著提升电池的循环寿命与本征安全的效果。研究显示，在磷酸铁锂正极极片中添加1%的Li

SiO

@S加锂材料，软包加锂胶体电池表现出最优的电化学性能，45℃ 1 C倍率下循环1000周容量保持率89.0%，55℃高温存储7天后容量恢复率能够达到100%，同时可实现4 C高倍率放电(容量保持率96.2%)。基于该技术，东莞市嘉锂材料科技有限公司开发出71173型号320 Ah胶体磷酸铁锂储能电池，较传统液态磷酸铁锂储能电池，可大幅度提升循环寿命和安全性，为保障储能电站长期稳定运行提供了有效技术路径。

Abstract

With the deepening of the "Dual-Carbon" Strategy

lithium iron phosphate batteries have become a mainstream new energy storage technology due to their high safety and long cycle life

and their installed c

apacity is rapidly increasing. However

traditional liquid lithium iron phosphate storage batteries face issues such as electrolyte stratification

intensified interfacial side reactions

and thermal runaway risks under long-term idle conditions

which will limit their further promotion and application in grid storage systems. Based on the novel Li

SiO

@S composite material developed by our team at the Songshan Lake Materials Laboratory

this study proposes a lithium-compensated gel-type LFP battery technology. By incorporating Li

SiO

@S into the LFP cathode electrode

this material functions both as a sustained-release lithium reservoir and an electrolyte gelation initiator

significantly enhancing the battery's cycle life and intrinsic safety. Experimental results demonstrate that the pouch-type lithium-compensated gel-type battery with 1% Li

SiO

@S additive in the LFP cathode exhibits optimal electrochemical performance: it achieves a capacity retention of 89.0% after 1000 cycles at 1 C rate and 45℃

and 100% capacity recovery after 7 days of storage at 55℃. Furthermore

the battery enables high-rate discharge at 4 C with 96.2% capacity retention. Leveraging this technology

Dongguan Jiali Materials Technology Co.

Ltd. has developed the Model 71173 320 Ah gel-type LiFePO

energy storage battery cell. This battery delivers significantly enhanced cycle life and safety performance compared with traditional liquid LiFePO

batteries

providing an effective technical pathway to ensure the long-term and stable operation of energy storage power stations.

关键词

Keywords

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