US 11,735,747 B2
Electrode structure including electrode fiber having higher density of vertical tows to parallel tows, flow battery stack including the same, and sealing structure including sealing gaskets connected by sealing wire
Shenglin Liu, Dalian (CN); Hongdong Jiang, Dalian (CN); Huamin Zhang, Dalian (CN); Xiangkun Ma, Dalian (CN); Tao Zhang, Dalian (CN); Shan Jiang, Dalian (CN); Zhenkun Yang, Dalian (CN); Dan Sun, Dalian (CN); and Kuanrong Yi, Dalian (CN)
Assigned to DALIAN RONGKEPOWER CO., LTD, Dalian (CN)
Filed by DALIAN RONGKEPOWER CO., LTD, Dalian (CN)
Filed on Jun. 9, 2021, as Appl. No. 17/343,674.
Application 17/343,674 is a division of application No. 16/348,263, granted, now 11,063,263, previously published as PCT/CN2017/109236, filed on Nov. 3, 2017.
Claims priority of application No. 201610986518.6 (CN), filed on Nov. 9, 2016; and application No. 201611132210.1 (CN), filed on Dec. 9, 2016.
Prior Publication US 2021/0313588 A1, Oct. 7, 2021
Int. Cl. H01M 8/0273 (2016.01); H01M 8/18 (2006.01); H01M 8/2483 (2016.01); H01M 8/0276 (2016.01); H01M 8/2455 (2016.01); H01M 4/75 (2006.01); H01M 4/02 (2006.01)
CPC H01M 8/0273 (2013.01) [H01M 8/0276 (2013.01); H01M 8/188 (2013.01); H01M 8/2455 (2013.01); H01M 8/2483 (2016.02); H01M 4/75 (2013.01); H01M 2004/021 (2013.01)] 3 Claims
OG exemplary drawing
 
1. A flow battery stack, characterized in that, the flow battery stack is assembled by using an electrode structure, and after being compressed and assembled under a stack preload of 0.1-0.25 MPa, a porosity of an electrode fiber of each layer in the stack is compressed to 91-92%, wherein
a surface structure on both sides of the electrode structure is a spinous or needlelike structure, and a height of the spinous or needlelike structure is in an undulation form, and
the surface of the electrode structure is formed by entanglement of needle-like structure tows whose ends are perpendicular to the electrode surface, and a diameter of the needle-like structure tows is 12-18 μm.