28 June 2019 I n t e r n a t i o n a l F l o w B a t t e r y F o - - PowerPoint PPT Presentation

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Ya s u a k i Ta n i m u r a 1 , A l a n H a n d e r m a n n 2 1 - A d v a n c e d M a t e r i a l s R e s e a r c h L a b o r a t o r i e s , To r a y I n d u s t r i e s , I n c . , O t s u , S h i g a , J a p a n 2 - Z o l t e k C o

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28 June 2019 I n t e r n a t i o n a l F l o w B a t t e r y F o r u m L y o n , F r a n c e 9 - 1 1 . J u l y 2 0 1 9 Ya s u a k i Ta n i m u r a 1 , A l a n H a n d e r m a n n 2 1 - A d v a n c e d M a t e r i a l s R e s e a r c h L a b o r a t o r i e s , To r a y I n d u s t r i e s , I n c . , O t s u , S h i g a , J a p a n 2 - Z o l t e k C o r p o r a t i o n , S u b s i d i a r y o f To r a y , B r i d g e t o n , M O , U n i t e d S t a t e s 1

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28 June 2019

I

Zoltek Product Introduction Electrode Physical Properties Activated Cell Performance & Electrode Characterization Summary Redox Flow Battery Electrodes Features & Supply Chain

I. II. III. IV. V.

SLIDE 3

Zoltek Quality Management Systems are certified to the Standards

AS9100D and ISO 9001:2015.

ZOLTEK PX30 ZOLTEK PX35 ZO LT EK OX

99 % Carbon Content for Extreme Heat & Harsh Environments. Superior Strength to Weight Performance. Outperforms All Other Organic Flame Resistant Fibers.

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REDOX FLOW BATTERY ELECTRODE FEATURES

 95% carbon content  Corrosion resistant  Optimized for best quality  Good permeability  Elasticity - compressibility  Customizable - activation  Electrically conductive  Thermally stable  High production capacity

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NEEDLEPUNCH FELT SPUNLACE FELT WOVEN FABRIC

Electrode P rop er ty ( PAN ba sed CF ) PXF B P W03 PXF B S W 08 PXF T F T 50 PXF T F T 300 PXF T F T 450 PXF T F T 540

Fabric or Felt Type

Woven Spunlace Needled

Areal Weight, g m-2

122 339 50 301 446 538

Thickness, mm

At 0.02 MPa compression

0.39 1.04 0.52 2.7 3.5 4.7

Felt bulk density, g cm-3

Areal weight / thickness at 0.02 MPa compression

0.32 0.33 0.096 0.11 0.13 0.12

Electrical resistivity, Ω mm

At 1 A current for 30x30 mm sample, 20% compression, thickness direction

8.0 7.3 86 6.3 4.2 4.0

Open Porosity, %

Ccalculated as 1 -

wa d∗ ρc , wa felt areal weight, d felt

thickness and ρc is the fiber density (1.78 g cm-3)

82 82 95 94 93 94

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SLIDE 8

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T h a n k y o u f o r y o u r a t t e n t i o n

I. II. III.

SLIDE 9

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