▎ 摘　　要

NOVELTY - Composite cathode material (1) comprises a gel polymer electrolyte (2) and particles of a cathode material (3), where the particles of the cathode material are arranged in the gel polymer electrolyte. USE - The composite cathode material is used in a laminate electrochemical cell, which is used in a battery stack, which is used in an electrically-powered device (claimed). ADVANTAGE - The laminate electrochemical cell has a structure that provides effective separation of the composite cathode layer and the anode layer whilst providing good interfacial contact between the layers due to the flexibility of the gel polymer electrolyte layers between it. The laminate electrochemical cell adopts the ceramic layer that is less prone to degradation. The electrochemical cells comprise one or more layers having a greater thickness than corresponding solid-state cells while maintaining high performance. DETAILED DESCRIPTION - INDEPENDENT CLAIMS are included for the following: (1) a method of manufacturing the composite cathode material, comprising mixing particles of a cathode material with a gel polymer electrolyte precursor to provide a mixture, and crosslinking the gel polymer electrolyte precursor of the mixture to provide the composite cathode material; (2) a laminate electrochemical cell comprising an anode layer, and a composite cathode layer comprising the composite cathode material; (3) a method of manufacturing the laminate electrochemical cell, comprising providing a layer of composite cathode material comprising a gel polymer electrolyte and particles of a cathode material, providing an anode layer, and combining the layer of composite cathode material and the anode layer to provide the laminate electrochemical cell; and (4) a battery stack comprising laminate electrochemical cells, where each cell comprises a first current collector, the composite cathode layer arranged on a surface of the first current collector, a second current collector, and an anode layer arranged on a surface of the second current collector. DESCRIPTION OF DRAWING(S) - The drawing shows a cross-sectional view of the composite cathode material. Composite cathode material (1) Gel polymer electrolyte (2) Cathode material (3)