US 11,984,592 B2
Composite solid electrolyte, method of preparing composite solid electrolyte, and electrochemical battery including composite solid electrolyte
Hyeokjo Gwon, Hwaseong-si (KR); Jusik Kim, Hwaseong-si (KR); Wooyoung Yang, Hwaseong-si (KR); Ryounghee Kim, Uiwang-si (KR); Sewon Kim, Suwon-si (KR); and Sungkyun Jung, Suwon-si (KR)
Assigned to SAMSUNG ELECTRONICS CO., LTD., Gyeonggi-Do (KR)
Filed by SAMSUNG ELECTRONICS CO., LTD., Suwon-si (KR)
Filed on Aug. 11, 2020, as Appl. No. 16/989,956.
Claims priority of application No. 10-2020-0017142 (KR), filed on Feb. 12, 2020.
Prior Publication US 2021/0249655 A1, Aug. 12, 2021
Int. Cl. H01M 4/525 (2010.01); H01M 4/02 (2006.01); H01M 4/131 (2010.01); H01M 4/133 (2010.01); H01M 4/36 (2006.01); H01M 10/0525 (2010.01)
CPC H01M 4/525 (2013.01) [H01M 4/131 (2013.01); H01M 4/133 (2013.01); H01M 4/366 (2013.01); H01M 10/0525 (2013.01); H01M 2004/027 (2013.01); H01M 2004/028 (2013.01); H01M 2300/0028 (2013.01); H01M 2300/0071 (2013.01)] 13 Claims
OG exemplary drawing
 
1. A composite solid electrolyte comprising:
a porous nanostructure; and
a solid electrolyte disposed on a surface of the porous nanostructure,
wherein the composite solid electrolyte satisfies Equation 1
0.8≤TSE/D≤3,  Equation 1
wherein
TSE is a thickness of the solid electrolyte, and
D is an average diameter of pores of the porous nanostructure,
wherein the porous nanostructure has a lithium ion conductivity of about 1×10−6 siemens per centimeter to about 1×10−3 siemens per centimeter, an electrical conductivity of about 1×10−17 siemens per centimeter to about 1×10−8 siemens per centimeter, or a lithium ion conductivity of about 1×10−6 siemens per centimeter to about 1×10−3 siemens per centimeter and an electrical conductivity of about 1×10−17 siemens per centimeter to about 1×10−8 siemens per centimeter,
wherein an average diameter of pores of the porous nanostructure is in a range of about 10 nanometers to about 100 nanometers,
wherein a thickness of the solid electrolyte is in a range of about 30 nanometers to about 240 nanometers,
wherein the porous nanostructure comprises an anodic aluminum oxide,
wherein the solid electrolyte comprises a lithium phosphorus oxynitride,
wherein the composite solid electrolyte further comprises a liquid electrolyte,
wherein the solid electrolyte is located on a surface of the porous nanostructure, and
wherein a pore of the porous nanostructure contains the liquid electrolyte.