US 11,843,107 B2
Ion conductor, and positive electrode, solid electrolyte, and lithium battery each including the ion conductor, and method of preparing the ion conductor
Sangbok Ma, Suwon-si (KR); and Donghwa Seo, Burlington, MA (US)
Assigned to SAMSUNG ELECTRONICS CO., LTD., Gyeonggi-Do (KR)
Filed by Samsung Electronics Co., Ltd., Suwon-si (KR)
Filed on Jan. 10, 2023, as Appl. No. 18/152,213.
Application 18/152,213 is a continuation of application No. 16/876,605, filed on May 18, 2020.
Claims priority of provisional application 62/942,506, filed on Dec. 2, 2019.
Claims priority of application No. 10-2019-0160966 (KR), filed on Dec. 5, 2019.
Prior Publication US 2023/0142448 A1, May 11, 2023
This patent is subject to a terminal disclaimer.
Int. Cl. H01M 4/131 (2010.01); H01M 4/505 (2010.01); H01M 4/525 (2010.01); H01M 4/36 (2006.01); H01M 4/04 (2006.01); H01M 10/0525 (2010.01); H01M 10/0562 (2010.01); H01M 4/1391 (2010.01); H01M 4/02 (2006.01)
CPC H01M 4/131 (2013.01) [H01M 4/0471 (2013.01); H01M 4/1391 (2013.01); H01M 4/364 (2013.01); H01M 4/366 (2013.01); H01M 4/505 (2013.01); H01M 4/525 (2013.01); H01M 10/0525 (2013.01); H01M 10/0562 (2013.01); H01M 2004/027 (2013.01); H01M 2004/028 (2013.01)] 17 Claims
OG exemplary drawing
 
1. A lithium battery comprising:
a positive electrode comprising a positive active material;
a negative electrode comprising lithium metal; and
a solid electrolyte disposed between the positive electrode and the negative electrode,
wherein the solid electrolyte comprises at least one oxide represented by Formulae 1 to 3
Li4±xM1−x′M′x′O4  Formula 1
wherein in Formula 1,
0≤x≤1 and 0≤x′≤1,
M is a Group 4 element, and
M′ is an element of Group 2, an element of Group 3, an element of Group 5, an element of Group 12, an element of Group 13, a vacancy, or a combination thereof,
with the proviso that when M is Zr or Ti, then x≠0, x′≠0 and M′ is Be, Ca, Sr, Ba, Ra, Cd, Hg, Cn, Ga, IN, TI, an element of Group 3, an element of Group 5, or a combination thereof;
Li4−yM″O4−yA′y  Formula 2
wherein in Formula 2,
0≤y≤1,
M″ is a Group 4 element, and
A′ includes at least one halogen,
with the proviso that when M″ is Zr or Ti, then y≠0;
Li4+4zM′″1−zO4  Formula 3
wherein in Formula 3,
0<z<1, and
M″′ is a Group 4 element.