Nickel-metal hydride battery gel electrolyte and preparation method thereof

The invention discloses a nickel-metal hydride battery gel electrolyte and a preparation method thereof. The preparation method comprises the following steps: mixing an olefine acid solution and a potassium hydroxide solution for neutralization reaction; after the neutralization reaction is completed, cooling to room temperature, firstly adding an NN-methylene bisacrylamide solution, then adding an ammonium persulfate solution, stirring, sealing, and standing to obtain water-absorbent resin; and dispersing the water-absorbent resin, and soaking the dispersed water-absorbent resin in a potassium hydroxide solution to obtain the nickel-metal hydride battery gel electrolyte. According to the invention, the electrolyte loss can be avoided, the electrolyte drying problem is solved, the self-discharge phenomenon caused by impurities in the electrolyte can be effectively limited, and the service life of the battery is prolonged. 本发明公开了一种镍氢电池胶体电解液及其制备方法，其中制备方法包括：将烯酸溶液和氢氧化钾溶液混合进行中和反应；中和反应完成后冷却至室温，先加入NN-亚甲基双丙烯酰胺溶液，然后加入