US 12,407,022 B2
Electrolyte and electrochemical device
Kefei Wang, Ningde (CN); Qiao Zeng, Ningde (CN); Liangzhen Xiao, Ningde (CN); and Fei Wu, Ningde (CN)
Assigned to Ningde Amperex Technology Limited, Ningde (CN)
Filed by Ningde Amperex Technology Limited, Fujian (CN)
Filed on Nov. 5, 2024, as Appl. No. 18/937,303.
Application 18/937,303 is a continuation of application No. 18/626,697, filed on Apr. 4, 2024, granted, now 12,183,884.
Application 18/626,697 is a continuation of application No. 17/990,641, filed on Nov. 18, 2022, granted, now 12,027,667, issued on Jul. 2, 2024.
Application 17/990,641 is a continuation of application No. 17/064,959, filed on Oct. 7, 2020, granted, now 11,527,776, issued on Dec. 13, 2022.
Application 17/064,959 is a continuation of application No. 16/211,853, filed on Dec. 6, 2018, granted, now 10,833,363, issued on Nov. 10, 2020.
Claims priority of application No. 201811108529.X (CN), filed on Sep. 21, 2018.
Prior Publication US 2025/0062408 A1, Feb. 20, 2025
This patent is subject to a terminal disclaimer.
Int. Cl. H01M 10/0566 (2010.01); H01M 4/13 (2010.01); H01M 4/64 (2006.01); H01M 4/70 (2006.01); H01M 10/0525 (2010.01); H01M 10/0567 (2010.01); H01M 10/0569 (2010.01)
CPC H01M 10/0566 (2013.01) [H01M 4/13 (2013.01); H01M 4/64 (2013.01); H01M 4/70 (2013.01); H01M 10/0525 (2013.01); H01M 10/0567 (2013.01); H01M 10/0569 (2013.01); H01M 2300/0025 (2013.01); H01M 2300/0034 (2013.01); H01M 2300/0037 (2013.01)] 28 Claims
OG exemplary drawing
 
1. An electrolyte, comprising a dinitrile compound, a trinitrile compound, and propyl propionate; wherein, based on a total weight of the electrolyte, a weight percentage of the dinitrile compound is X, a weight percentage of the trinitrile compound is Y and a weight percentage of the propyl propionate is Z; wherein,

OG Complex Work Unit Math
wherein the trinitrile compound comprises at least one selected from the group consisting of: 1,3,5-pentanetricarbonitrile; 1,2,3-propanetrinitrile; 1,3,6-hexanetricarbonitrile; 1,2,6-hexanetricarbonitrile; 1,2,3-tris(2-cyanoethoxy)propane; 1,2,4-tris(2-cyanoethoxy)butane; 1,1,1-tris(cyanoethoxymethylene)ethane; 1,1,1-tris(cyanoethoxymethylene)propane; 3-methyl-1,3,5-tris(cyanoethoxy)pentane; 1,2,7-tris(cyanoethoxy)heptane; 1,2,6-tris(cyanoethoxy)hexane; and 1,2,5-tris(cyanoethoxy)pentane.