▎ 摘　　要

NOVELTY - A sodium-potassium alloy loaded electrode carrier comprises 4-8 pts. wt. graphene, and 1-8 pts. wt. additive including nano-oxide, metal-organic framework material and/or covalent organic framework material. USE - The sodium-potassium alloy loaded electrode carrier is useful for preparing sodium-potassium alloy composite electrode of sodium-potassium alloy battery (all claimed), preferably rechargeable battery, which is useful in energy automobile, power grid and other large scale energy storage requirement. ADVANTAGE - The sodium-potassium alloy loaded electrode carrier: has high surface area and loading capacity; ensures high conductivity and energy density of the electrode; and avoids the influence of the conductivity of the electrode in the sodium-potassium alloy composite electrode. The additive and the abundant functional groups on the surface of graphene reduce the surface tension of the electrode carrier, increase the wettability between the electrode carrier and the sodium-potassium alloy, and accelerate the diffusion of the sodium-potassium alloy on the electrode carrier to fully soak and uniformly distributed with sodium-potassium alloy. The negative electrode based on the sodium-potassium alloy provides high capacity and energy density to the battery, so that it becomes very ideal metal cathode. The formed sodium-potassium sulfide alloy composite electrode exhibits excellent cycle stability, prolonged service life and high energy density. DETAILED DESCRIPTION - INDEPENDENT CLAIMS are included for the following: (1) preparation of the sodium-potassium alloy loaded electrode carrier; and (2) preparation of a sodium-potassium alloy composite electrode.