	US 11,817,586 B2
	Electrode binder composition for lithium ion electrical storage devices
Stuart D. Hellring, Pittsburgh, PA (US); Randy E. Daughenbaugh, Monroeville, PA (US); Shanti Swarup, Allison Park, PA (US); and Ellor James Van Buskirk, Pittsburgh, PA (US)
Assigned to PPG Industries Ohio, Inc., Cleveland, OH (US)
Filed by PPG Industries Ohio, Inc., Cleveland, OH (US)
Filed on Mar. 12, 2021, as Appl. No. 17/200,702.
Application 17/200,702 is a continuation of application No. 16/013,615, filed on Jun. 20, 2018, granted, now 10,964,949.
Application 16/013,615 is a continuation of application No. 15/196,185, filed on Jun. 29, 2016, granted, now 10,033,043, issued on Jun. 24, 2018.
Application 15/196,185 is a continuation of application No. 14/242,126, filed on Apr. 1, 2014, granted, now 9,385,374, issued on Jul. 5, 2016.
Prior Publication US 2021/0202950 A1, Jul. 1, 2021
This patent is subject to a terminal disclaimer.
Int. Cl. H01M 4/62 (2006.01); H01M 4/136 (2010.01); H01M 4/66 (2006.01); H01M 4/58 (2010.01); H01M 4/04 (2006.01); H01M 4/131 (2010.01); H01M 4/139 (2010.01); H01M 4/1391 (2010.01); H01M 10/0525 (2010.01); H01M 10/056 (2010.01); H01M 10/0569 (2010.01); C09D 127/16 (2006.01)

CPC H01M 4/623 (2013.01) [C09D 127/16 (2013.01); H01M 4/0404 (2013.01); H01M 4/0409 (2013.01); H01M 4/131 (2013.01); H01M 4/136 (2013.01); H01M 4/139 (2013.01); H01M 4/1391 (2013.01); H01M 4/5825 (2013.01); H01M 4/622 (2013.01); H01M 4/625 (2013.01); H01M 4/661 (2013.01); H01M 10/056 (2013.01); H01M 10/0525 (2013.01); H01M 10/0569 (2013.01); H01M 2300/0025 (2013.01); H01M 2300/0028 (2013.01); Y02E 60/10 (2013.01)]

28 Claims

1. A binder composition comprising a dispersion of:

(a) a polyvinylidene fluoride polymer dispersed in an organic dispersion medium with

(b) a (meth)acrylic polymer dispersant prepared from a mixture of monomers comprising 2 to 50 percent by weight of alpha, beta-ethylenically unsaturated carboxylic acid, the percent by weight based on total monomer weight; and