Pasting paper made of glass fiber nonwoven comprising carbon graphite

US9685646B2 · kind B2 · utility

Assignee

• Johns Manville · US

Inventors

• Michael Ketzer · Collenberg, DE
• Gerold Albert · Zell am Harmersbach, DE
• Zhihua Guo · Ottawa Hills, US
• Souvik Nandi · Englewood, US
• Jawed Asrar · Englewood, US
• Albert G. Dietz, III · Davidson, US

Key dates

• Filing date: Sep 17, 2014
• Grant date: Jun 20, 2017
• Expiry date: Jun 6, 2035

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10T29/49108
• WIPO field: Electrical machinery, apparatus, energy
• WIPO sector: Electrical engineering

Abstract

Embodiments of the invention provide a lead-acid battery having a positive electrode, a negative electrode, and a separator positioned between the electrodes to electrically insulate the electrodes. Battery includes a nonwoven fiber mat positioned adjacent an electrode. Mat includes a mixture of first glass fibers having diameters between 8 μm to 13 μm and second glass fibers having diameters of at least 6 μm and a silane sizing. An acid resistant binder bonds the glass fibers to form mat. A wetting component is applied to increase the wettability such that mat exhibits an average water wick height of at least 1.0 cm after exposure to water for 10 minutes. A conductive material is disposed on a surface of mat such that when mat is adjacent an electrode, the conductive material contacts the electrode. An electrical resistance of less than 100,000 ohms per square enables electron flow about mat.