Solid-state electrolyte material and solid-state battery utilizing the same
AssigneeSamsung Electronics Co., Ltd.
InventorsGabin YOON, Yan WANG, Samuel CROSS, Mahdi AMACHRAA, Hyeokjo GWON, Doh Won JUNG
Life of this patent
Estimating the term…
Abstract
A compound represented by Formula 1: Li4+dH+hSr2−xM1a+xZr1−yM2b+yO6−zXc−z, wherein in Formula 1, M1 is a cationic dopant in Sr site with a valance of a+; a is 1, 2 or 3; M2 is a cationic dopant in Zr site with a valance of b+; b is 2, 3, 4 or 5; X is an anion dopant in O site with a valence of c−; c is 1, 2, or 3; 0≤h≤2, 0≤x≤2, 0≤y≤1, 0≤z≤0.5, x+y+z+h≥0, d=(2−a)*x+(4−b)*y−(2−c)*z−h, and d≥0.
Claims20
A compound represented by Formula 1:
- Formula 1
- Li4+dH+hSr2−xM1a+xZr1−yM2b+yO6−zXc−z,
- wherein in Formula 1,
- M1 is a cationic dopant in Sr site with a valance of a+;
- a is 1, 2 or 3;
- M2 is a cationic dopant in Zr site with a valance of b+;
- b is 2, 3, 4, or 5;
- X is an anion dopant in 0 site with a valence of c−;
- c is 1, 2, or 3;
- 0≤h≤2, 0≤x≤2, 0≤y≤1, 0≤z≤0.5, x+y+z+h≥0,
- d=(2−a)*x+(4−b)*y−(2−c)*z−h, and
- d≥0.
The electrochemical cell of claim 15, wherein a stoichiometric ratio between Li and Zr represented by (4+d):(1−y) is greater than 4:1.
The electrochemical cell of claim 15, wherein a stoichiometric ratio between Li and O represented by (4+d):(6−z) is greater than 4:6.
Dependencies are inferred from the claim text.