Energy Storage Applications

The installation of grid-scale energy storage (ES) has been growing at a rapid pace over the last few years.  Utility engineers are finding energy storage systems (ESS), coupled with renewable energy (RE) generation from wind farms and solar panel arrays, can reduce the levelized cost of electricity (LCOE).  LCOE represents the average revenue, per unit of generated electricity, required to recover the costs of building and operating a power plant over the life of the installation.  Currently, many Stationary Energy Storage (SES) systems rely on lithium-ion battery technology; however, these ESS types bring several technical issues and safety concerns.  Through the use of redox flow battery (RFB) technology, ESS can be easily designed to separate the power requirements of an ESS application from its energy requirements, sustain thousands of charge/discharge cycles without system degradation, allow upto 10 – 14 hour ES durations and do all this without a fire hazard risk.   ZOLTEK carbonized felts and fabrics are being used and evaluated as the battery electrode material of choice for these RFB systems.

ZOLTEK, as the low cost carbon fiber market leader, is bringing its knowledge and expertise to become the most cost effective battery electrode material supplier to the RFB manufacturer.  ZOLTEK’s carbonized felts and fabrics meet or exceed their customers technical requirements at attractive price points.  This allows RFB manufacturers and ESS integrators to move forward with designs that can bring even larger, more cost effective energy storage projects to reality.

Zoltek Carbon Felt Manufacturing Schematic

 

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Zoltek Carbon Electrode Materials – An Overview

Zoltek can supply a wide array of carbon electrode materials between 0.5 to 5 mm thickness.  Each carbon electrode material provides unique benefits that can be customized based on our customer’s requirements.  Zoltek continues to improve our electrode products to maximize RFB performance.

Click here to download the Zoltek Electrode Materials presentation.

Energy Storage Products

Felts

ZOLTEK PXFT carbonized felts are produced from 100% ZOLTEK OX felts; that are continuously carbonized and supplied in roll form.  ZOLTEK PXFT carbon felts can be used in many applications, including: stationary energy storage batteries, high temperature furnace linings, acid gas mist eliminators and as a carbon composite materials. Customers can apply their own post treatments and the felt is easy to process into customer specific designs.

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Fabrics

ZOLTEK PXFB carbonized fabrics are produced from 100% ZOLTEK OX fabrics; that are continuously carbonized and supplied in roll form.  ZOLTEK PXFT carbon fabrics can be used in many applications, including: stationary energy storage batteries, high temperature and chemically corrosive applications and as carbon composite materials for friction end uses.

Click here to download the technical datasheet.

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