公开(公告)号：US20160351970A1

公开(公告)日：2016-12-01

申请号：US15116531

申请日：2015-01-28

Applicant: BASF SE

Inventor： Anna Katharina DÜRR ,  Jesus Enrique ZERPA UNDA ,  Günther ACHHAMMER ,  Domnik BAYER ,  Peter HEIDEBRECHT ,  Stefan MEUER

IPC: H01M10/39 ,  H01M10/44 ,  H01M4/58 ,  H01M2/16

Abstract: An electrode unit for an electrochemical device, comprising (i) a solid electrolyte which divides a space for molten cathode material, selected from the group consisting of elemental sulfur and polysulfide of the alkali metal anode material, and a space for molten alkali metal anode material, and (ii) a porous solid state electrode directly adjacent to the solid electrolyte within the space for the cathode material, with a non-electron-conducting intermediate layer S present between the solid state electrode and the solid electrolyte, wherein this intermediate layer S has a thickness in the range from 0.5 to 5 mm and, before the first charge of the electrochemical device, has been impregnated fully with a polysulfide composition, comprising (A) pure polysulfides Met2Sx with Met=alkali metal of the alkali metal anode material selected from lithium, sodium, potassium, and x is dependent on the alkali metal and is 2, 3, 4 or 5 for Na and is 2, 3, 4, 5, 6, 7, 8 for Li and is 2, 3, 4, 5, 6 for K, or (B) mixtures of the polysulfides of one and the same alkali metal from (A) with one another.

Abstract translation: 一种用于电化学装置的电极单元，包括：（i）固体电解质，其分离由碱金属阳极材料的元素硫和多硫化物组成的组中选择的熔融阴极材料的空间，以及熔融碱金属阳极材料的空间 ，和（ii）与阴极材料空间内的固体电解质直接相邻的多孔固态电极，固体电极和固体电解质之间存在非电子传导中间层S，其中该中间层S 厚度在0.5至5mm的范围内，并且在电化学装置的第一次充电之前已经完全用多硫化物组合物浸渍，所述多硫化物组合物包含（A）选择的碱金属阳极材料的Met =碱金属的纯多硫化物Met2Sx 从锂，钠，钾和x取决于碱金属，Na为2,3,4或5，Li为2,3,4,5,6,7,8，为2,3,4 ，5，6 对于K，或（B）来自（A）的一种和相同碱金属的多硫化物的混合物。

公开(公告)号：US20160221242A1

公开(公告)日：2016-08-04

申请号：US15021450

申请日：2014-09-03

Applicant: BASF SE

Inventor： Anna K. DÜRR ,  Günther HUBER ,  Christian EICHHOLZ ,  Katrin FREITAG ,  Stefan MEUER

IPC: B29C47/00 ,  C04B35/636 ,  C04B35/634 ,  C04B35/113 ,  C04B35/626

Abstract: Use of a composition comprisingA) from 55 to 90% by weight of aluminum oxide,B) from 5 to 35% by weight of a sodium compound which at a pH of 7 at 20° C. has a solubility in water of ≦300 g/l and can be converted by thermal means virtually exclusively into sodium oxide as only solid,C) from 0 to 15% by weight of a magnesium compound and/or a lithium compound selected from the group consisting of: magnesium oxide, magnesium carbonate, magnesium nitrate, lithium oxide, lithium carbonate, lithium nitrate andD) from 0 to 30% by weight of zirconium dioxide for producing a shaped ceramic body by extrusion.

Abstract translation: 一种组合物的用途，该组合物含有55-90％重量的氧化铝，B）5-35％重量的钠化合物，其在20℃的pH为7时具有在水中的溶解度≤300 g / l，并​​且可以通过热方式实际上仅转化为氧化钠作为固体，C）0至15重量％的镁化合物和/或选自以下的锂化合物：氧化镁，碳酸镁 ，硝酸镁，氧化锂，碳酸锂，硝酸锂和D）0〜30重量％的二氧化锆，用于通过挤出制造成形陶瓷体。