全固态锂电池（ASSLB）被认为是未来储能系统最有希望的候选者之一。高能量密度 ASSLB 需要高活性材料负载，这对确保正极内有效的锂离子传导提出了巨大挑战。通过在内部集成固体电解质（SEs）构建复合阴极可以有效改善离子传输动力学。尽管复合正极研究取得了重大进展，但其发展仍面临多重挑战。本综述系统地评估了不同的复合阴极系统，并总结了采用各种复合阴极的高性能 ASSLBs 的最新进展。首先，我们分析了各种因素对 ASSLB 能量密度的影响，并评估了每种材料达到更高能量密度的潜力。然后，根据 SEs 类别总结了不同系统复合阴极内部的界面稳定性问题。接下来，针对复合阴极讨论了更好的离子传输优化策略。最后，根据所涉及的SE总结了复合阴极的制造方法。

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All-solid-state lithium battery (ASSLB) is considered as one of the most promising candidates for future energy storage system. High energy density ASSLB requires high active materials loading, which poses a great challenge for ensuring effective Li-ion conduction within the cathode. Constructing composite cathode by integrating solid electrolytes (SEs) inside can effectively improve the ion transport kinetics. Although significant progresses have been achieved in composite cathode research, their developments still face multiple challenges. This review systemically evaluates the different composite cathodes system and summarize the latest progress toward high performance ASSLBs with various composite cathodes. Firstly, we analyze the effects of various factors on the energy density of ASSLBs and evaluate the potentials of each material in reaching higher energy density. Then, the interfacial stability issues inside composite cathodes are summarized for different systems based on SEs category. Next, optimization strategies for better ion transport are discussed for composite cathodes. Finally, the fabrication methods of composite cathodes are concluded based on the involved SEs.