US 12,334,499 B2
Electrochemical device and electronic device
Hui Cui, Dongguan (CN); Pengyang Feng, Dongguan (CN); Shuirong Zhang, Dongguan (CN); and Jiali Dong, Dongguan (CN)
Assigned to Dongguan Amperex Technology Limited, Dongguan (CN)
Filed by DONGGUAN AMPEREX TECHNOLOGY LIMITED, Guangdong (CN)
Filed on Oct. 26, 2023, as Appl. No. 18/495,165.
Application 18/495,165 is a continuation of application No. 16/963,330, granted, now 11,837,698, previously published as PCT/CN2019/127962, filed on Dec. 24, 2019.
Prior Publication US 2024/0072306 A1, Feb. 29, 2024
This patent is subject to a terminal disclaimer.
Int. Cl. H01M 10/0567 (2010.01); H01M 4/36 (2006.01); H01M 4/62 (2006.01); H01M 10/0525 (2010.01); H01M 10/0569 (2010.01); H01M 4/02 (2006.01)
CPC H01M 10/0567 (2013.01) [H01M 4/366 (2013.01); H01M 4/624 (2013.01); H01M 10/0525 (2013.01); H01M 10/0569 (2013.01); H01M 2004/021 (2013.01); H01M 2004/027 (2013.01); H01M 2300/0025 (2013.01)] 18 Claims
OG exemplary drawing
 
1. An electrochemical device, comprising: a cathode, an anode and an electrolyte; wherein
the anode comprises an anode current collector and an anode active material layer disposed on the anode current collector, and the anode active material layer comprises an anode active material;
the electrolyte comprises an organic solvent, and the organic solvent comprises ethyl propionate;
a content of the ethyl propionate is 5% to 80% of the total weight of the organic solvent; and
0.12≤W:K1≤1.14,
W is a ratio of a content value (g) of the ethyl propionate to a capacity (Ah) of the electrochemical device, K1 is a specific surface area value of a unit mass of the anode active material in m2/g.