This invention relates to a stable secondary battery utilizing as active principle the oxidation and reduction cycle of a sterically hindered nitroxide radical, a sterically hindered oxoammonium cation, a sterically hindered hydroxylamine or a sterically hindered aminoxide anion containing a piperazin-2,6-dione, a piperazin-2-one or morpholin-2-one structural unit. Further aspects of the invention are a method for providing such a secondary battery, the use of the respective compounds as active elements in secondary batteries and selected novel compounds.
本发明涉及一种稳定的二次电池,利用空间位阻的亚硝基自由基、空间位阻的氧代
铵阳离子、空间位阻的
羟胺或空间位阻的
氨氧阴离子,其中包含
哌嗪-2,6-二酮、
哌嗪-2-酮或
吗啉-2-酮结构单元的氧化还原循环作为活性原理。发明的其他方面包括提供这种二次电池的方法,使用相应化合物作为二次电池中的活性元素以及选择的新化合物。