US 11,944,954 B2
Organic-inorganic hybrid porous material and preparation method thereof, separator, electrochemical device, and electrical device
Jiarui Tian, Ningde (CN); Yongsheng Guo, Ningde (CN); Cong Cheng, Ningde (CN); Xinxin Zhang, Ningde (CN); Na Liu, Ningde (CN); and Chuying Ouyang, Ningde (CN)
Assigned to CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED, Ningde (CN)
Filed by Contemporary Amperex Technology Co., Limited, Ningde (CN)
Filed on Oct. 2, 2022, as Appl. No. 17/937,457.
Application 17/937,457 is a continuation of application No. PCT/CN2021/114463, filed on Aug. 25, 2021.
Prior Publication US 2023/0285933 A1, Sep. 14, 2023
Int. Cl. B01J 20/22 (2006.01); B01J 20/28 (2006.01); H01M 50/417 (2021.01); H01M 50/446 (2021.01); H01M 50/449 (2021.01)
CPC B01J 20/226 (2013.01) [B01J 20/28059 (2013.01); B01J 20/28061 (2013.01); B01J 20/2808 (2013.01); B01J 20/28083 (2013.01); B01J 20/28085 (2013.01); H01M 50/417 (2021.01); H01M 50/446 (2021.01); H01M 50/449 (2021.01)] 18 Claims
OG exemplary drawing
 
1. An organic-inorganic hybrid porous material comprising
a doping element A, a bridging ligand, and a metal cation, wherein the doping element A comprises Li, the bridging ligand comprises CN, the metal cation comprises at least one of Ni and Fe, or a combination thereof;
an external specific surface area of the organic-inorganic hybrid porous material is 1 to 100 m2/g; and
a ratio of the external specific surface area to a total specific surface area of the organic-inorganic hybrid porous material is 0.7 to 0.9.