申请人:The Dow Chemical Company
公开号:US04894302A1
公开(公告)日:1990-01-16
Alkaline earth metal anode cells having an intercalation cathode, a nonaqueous liquid electrolyte comprising (a) an organic solvent, for instance, an ether, an ester, a sulfone, an organic sulfide, an organic sulfate, a tertiary amine, an organic nitrite, and an organic nitrate, and (b) at least one of an electrolytically active alkaline earth metal salt comprising an organometallic alkaline earth metal salt represented by the formula: ##STR1## wherein Z is selected from the group consisting of boron and aluminum; X is selected from the group consisting of phosphorus and arsenic; M is an alkaline earth metal; and in which R.sub.1 -R.sub.6 are radicals independently selected from the following groups: alkyl, aryl, alkaryl, aralkyl, alkenyl, cycloalkyl, allyl, heterocyclic alkyl, and cyano, with the proviso that R.sub.1 -R.sub.6 cannot be all alkyl or all aryl and triarylalkylborate or aluminate anions, and trialkylarylborate or aluminate anions are excluded and M represents an alkaline earth metal.
碱土金属阳极电池具有插层阴极,非水电解质包括(a)有机溶剂,例如醚,酯,磺酮,有机硫化物,有机硫酸盐,三级胺,有机亚硝酸盐和有机硝酸盐,以及(b)至少一种电解活性碱土金属盐,包括由以下公式表示的有机金属碱土金属盐:##STR1## 其中Z选自硼和铝的群组;X选自磷和砷的群组;M是碱土金属;并且其中R.sub.1-R.sub.6是以下基团中独立选择的基团:烷基,芳基,烷芳基,芳基烷基,烯基,环烷基,烯丙基,杂环烷基和氰基,但是R.sub.1-R.sub.6不能全部是烷基或全部是芳基,并且排除三芳基烷基硼酸盐或铝酸盐和三烷基芳基硼酸盐或铝酸盐,并且M代表碱土金属。