By Altairnano
The ALTI-ESS reduces dependencies on conventional generation for maintaining grid stability associated with utility-scale renewable integration. Responding immediately to sudden shifts in generation, the ALTI-ESS releases or absorbs power from the electricity grid, and if needed, continues to release or absorb power until conventional generation is dispatched. The ALTI-ESS is an adaptive, intelligent and scalable power and energy management platform for utility-scale, photovoltaic applications. Based on advanced lithium-titanate technologies, the ALTI-ESS improves equipment and capacity utilization, strengthens operational efficiencies and reduces carbon emissions. System Benefits: Responsive - Featuring a powerful 4C rate, the ALTI-ESS has the highest charge rate of any lithium-ion energy storage device. Powerful - Maximum continuous discharge of 1,400 amperes. Efficient - 86 percent total estimated round-trip efficiency (including power conversion system) for a 1 MW dispatch (93 percent round-trip efficiency for a 250kW dispatch). Longer Life - Features a 12,000 + cycle life and 15-year calendar life. Comprehensive - Scalable 1 MW/250 kWh battery configurations, including battery management system, power electronics, programmable logic controllers and interconnect system software for grid connectivity.
ALTI-ESS ADVANTAGE lithium titanate battery. Apply. Evaluate. Innovate. Introducing the ALTI-ESS ADVANTAGE from Altairnano. ALTI-ESS ADVANTAGE is a 2.0 megawatt system designed for fast-response applications demanding high power, from grid stability to renewables integration to frequency regulation. Showcasing Altairnano's lithium-titanate battery chemistry and boasting three times the power of its predecessor, ALTI-ESS ADVANTAGE outperforms other energy storage solutions in every critical measurement. Combined with best practices architecture and a high-resolution battery management system (BMS), accurate state-of-charge measurement, system diagnostics, cell-level voltage and module temperature measurements and alarms round out an energy storage solution that can help your project perform more economically and more efficiently. Benefits: The scalable, high-power ADVANTAGE system packs more power while reducing the overall footprint of the energy storage solution. More importantly, the ALTI-ESS ADVANTAGE reduces the delivered cost per kilowatt, ultimately providing the lowest cost of ownership, along with improved grid stability and additional generation capacity. The ADVANTAGE design leverages cell chemistry to operate at greater than 6C discharge/charge rates. In addition, the modular architecture allows for fast installation and provides the flexibility to relocate or reconfigure systems as necessary. Its predecessor, the ALTI-ESS, has more than two years of success in commercial operation providing frequency regulation in the United States, while demonstrating excellent reliability and uptime. Measurements taken at the time of installation, end of year one and end of year two validated that the battery performance is consistent with the expected life of more than 20 years in this duty cycle. AC Voltage: 480 VAC. Power Rating: 2.0 MW. Energy Content: 397 kWh. Response Time + 2MW to - 2MW: < 100 milliseconds. Operating Temperature: Factory designed standard range -10°C to 50°C Extended range available to -40°C and 55°C. Storage Temperature: -40°C and 55°C. Elevation Requirements: Up to 5,000 ft. above sea level. Standard Configuration: Frequency 60 Hz Nominal, 50 Hz Capable, Including Auxiliary Loads. Voltage Operating Range: As defined by ANSI C84.1 and IEEE 1547. Total Roundtrip Efficiency: 75%. Features: ADVANTAGE is a perfect fit for applications with a need for high power and relatively low energy requirements. Our solution helps overcome modern electric grid stability challenges: Frequency regulation; Solar energy integration; Wind energy integration. ADVANTAGE almost instantaneously responds to the utility signal to either absorb energy from the electric grid or supply energy, in order to minimize frequency variations as the demand for electricity changes.
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Altairnano’s 1P10S 24V module is used in a variety of high power applications for transportation, quick charge charging stations, and commercial applications.
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Altairnano is the first company to replace traditional graphite materials used in conventional lithium-ion batteries with a proprietary, nanostructured lithium titanate. Establishing a research program in 2000 to develop lithium-ion cell technology for power-dependent applications, Altairnano set about to solve the limitations associated with conventional lithium-ion technologies, including cycle and calendar life, safety, recharge time, power delivery and ability to operate in extreme temperatures. Altairnano’s research into the electrochemistry of battery materials discovered that nanostructured lithium-titanate, when used to replace graphite in conventional lithium-ion batteries, results in distinctive performance attributes required by power-dependent energy storage applications. This fundamental breakthrough in battery technology was announced by Altairnano in February 2005 and has since been used as the core technology in the development of the company’s advanced energy storage and battery systems. Altairnano’s advanced energy storage systems provide fundamental advantages over existing, traditional lithium titanate battery designs. Performance The use of nanostructured lithium-titanate in Altairnano’s cell technology produces distinctive performance attributes, including extremely fast charge and discharge rates, the industry’s highest round-trip efficiencies, long cycle life, safety and the ability to operate under diverse environmental and extreme temperature conditions. Safety Altairnano has achieved a high-powered energy storage and battery system that has significantly greater thermal stability than any other lithium-ion battery in the market. By removing the highly reactive graphite from the system design, and instead using nanostructured lithium-titanate materials as the negative electrode material, no significant interaction takes place with the electrolyte. Operating Range The wide thermal operating range of Altairnano’s energy storage and battery systems is ideal for applications in remote, severe or unusually challenging environments where physical movement, corrosion, temperature extremes or electrical circuit complexity make the use of traditional lithium-ion batteries nearly impossible. Long Cycle Life Conventional lithium-ion batteries can typically be charged about 1,000 times before they are considered no longer useful. In laboratory testing, the Altairnano energy storage and battery systems have achieved over 16,000 charge and discharge cycles at rates up to 40 times greater than common batteries and still retained up to 80 percent of initial charge capacity. Power Altairnano’s energy storage and battery systems deliver power per unit weight and unit volume several times greater than conventional lithium-ion batteries. Cell measurements performed with high-powered cell designs indicate specific power as high as 4000 W/kg and power density over 7,500 W/litre. By using nano-structured lithium-titanate as the negative electrode material, the formation of a Solid-Electrolyte Interphase – an electrochemical property that impedes the removal of lithium, which is the first step in power production – is eliminated.
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Altairnano’s advanced lithium-ion battery systems are ideal for remote uninterruptible power supply (UPS) applications in remote, severe, or unusually challenging environments from remote cell towers to Arctic research facilities. Uninterruptible Power Supply. Anytime. Anywhere. Conventional lead-acid battery technologies used for UPS systems often fail to meet the extended-life, safety, and reliability requirements for making remote UPS applications economical or feasible. These technologies are often considered intolerant to abusive conditions, such as short circuits, overcharge, over-discharge, crush, or exposure to extremely high temperatures. Altairnano’s lithium-ion battery technology is different. Altairnano is the first company to replace traditional graphite materials used in conventional lithium-ion batteries with a proprietary, nanostructured lithium-titanate. The result produces distinctive performance attributes, including longer life cycle, low self-discharge, extremely wide operating temperature ranges, low maintenance and abuse tolerance. Who We Help: Data Centers, Healthcare Facilities, Manufacturing Plants, Telecommunication, Military. System Benefits: Low Maintenance - Low self-discharge rates of 1 percent to 3 percent per year (compared to 1 percent to 3 percent per month for traditional lead-acid batteries); Reliable - Widest operating temperature range (between -40°C and 55°C) and highest abuse tolerance of any advanced UPS battery system available; Powerful - Three times more powerful than lead-acid battery technologies with C rates between 4C and 10C; Longer Life - Features a 12,000 + cycle life and a 15-year calendar life; Scalable - Scalable to meet different power output requirements ranging from 25 kW to multiple MWs
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