US 12,015,118 B2
Electrode electrochemical device and electronic device
Chaowang Lin, Fujian (CN); Fan Yang, Fujian (CN); Yisong Su, Fujian (CN); Huawei Zhong, Fujian (CN); Changming Qu, Fujian (CN); and Xiaozhen Zhang, Fujian (CN)
Assigned to Ningde Amperex Technology Limited, Ningde (CN)
Filed by Ningde Amperex Technology Limited, Fujian (CN)
Filed on Mar. 29, 2022, as Appl. No. 17/707,137.
Application 16/868,966 is a division of application No. 16/000,597, filed on Jun. 5, 2018, granted, now 10,693,181, issued on Jun. 23, 2020.
Application 17/707,137 is a continuation of application No. 16/868,966, filed on May 7, 2020, granted, now 11,322,774.
Claims priority of application No. 201810162494.1 (CN), filed on Feb. 26, 2018.
Prior Publication US 2022/0223902 A1, Jul. 14, 2022
Int. Cl. H01M 4/02 (2006.01); H01M 4/36 (2006.01); H01M 4/38 (2006.01); H01M 4/50 (2010.01); H01M 4/52 (2010.01); H01M 4/583 (2010.01); H01M 4/62 (2006.01); H01M 4/66 (2006.01); H01M 10/0525 (2010.01)
CPC H01M 10/0525 (2013.01) [H01M 4/366 (2013.01); H01M 4/382 (2013.01); H01M 4/50 (2013.01); H01M 4/52 (2013.01); H01M 4/583 (2013.01); H01M 4/623 (2013.01); H01M 4/661 (2013.01); H01M 2004/027 (2013.01); H01M 2004/028 (2013.01)] 20 Claims
OG exemplary drawing
 
1. An electrode, comprising:
a current collector;
a first layer comprising a first material; and
a second layer comprising a second material;
wherein the first layer is arranged between the current collector and the second layer, the first layer is formed on a surface of the current collector, and a particle size of 90% accumulative volume of the first material is less than 40 μm;
wherein a total compaction density of the first layer and the second layer is greater than 3.2 g/cc.