Axion Power International, Inc. (OTCMKTS:AXPWQ) is a developer and manufacturer of advanced energy storage solutions headquartered in New Castle, Pennsylvania. The company’s core technology is its proprietary lead-carbon PbC® battery, which combines traditional lead-acid chemistry with a carbon-based electrode to deliver rapid charge acceptance, extended cycle life and enhanced thermal stability.
Axion’s PbC battery modules and energy storage systems are designed for a range of applications, including grid-scale renewable integration, peak-shaving, microgrid backup power, rail and motive-power traction, and material-handling equipment. By offering high power density and fast recharge capabilities, the technology aims to bridge the performance gap between conventional lead-acid batteries and more costly lithium-ion solutions, particularly in heavy-duty and industrial settings.
Founded in 2003, Axion Power International established its engineering, manufacturing and testing operations at its Pennsylvania campus. Over the years, the company conducted demonstration projects with rail operators, automotive and utility partners across North America and Europe to validate PbC performance under real-world conditions. Its flexible platform allows integration into new or retrofitted systems seeking improved reliability and lower total cost of ownership.
Under the leadership of founder and CEO Thomas E. Granville, Axion has maintained a focus on commercializing its battery technology through strategic partnerships and licensing opportunities. The company continues to engage with industrial OEMs, utilities and research institutions to expand the adoption of its lead-carbon storage solutions in markets where durability, safety and lifecycle economics are critical.
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