Electrode which has been coated with a solid ion conductor which has a garnet-like crystal structure and has the stoichiometric composition L
The invention id directed to an article which contains a solid ion conductor which has a garnet-like crystal structure and has the stoichiometric composition L 7+x A x G 3−x Zr 2 O 12 , where L is in each case independently a monovalent cation, A is in each case independently a divalent cation, G is in each case independently a trivalent cation, 0 ≦x≦3 and O can be partly or completely replaced by divalent or trivalent anion, wherein the article is a battery, an accumulator, a supercap, a fuel cell, sensor, a thermoelectric converter or an electrochromic device.
1. An article which comprises a solid ion conductor which has a garnet-like crystal structure and has the stoichiometric composition L 7+x A x G 3−x Zr 2 O 12 , where
L is in each case independently a monovalent cation,
A is in each case independently a divalent cation,
G is in each case independently a trivalent cation,
0≦x≦3 and
O can be partly or completely replaced by divalent or trivalent anion,
wherein the article is a battery, an accumulator, a supercap, a fuel cell, sensor, a thermoelectric converter or an electrochromic device.
2. The article according to claim 1 , wherein the article is a battery.
3. The article according to claim 1 , wherein L is Li + , Na + or K + .
4. The article according to claim 1 , wherein A is Zn, Ca, Sr, Ba or Mg.
5. The article according to claim 1 , wherein G is La.
6. The article according to claim 1 , wherein 0≦x≦1.
7. The article according to claim 1 , wherein
A is Sr or Ba,
0≦x≦1,
L is Li + or Na + and
G is La.