White Papers

Lithium-Ion in the Data Center

Emilie Stone, Methode — Active Energy Solutions

The data center environment, be it a mammoth facility owned and operated by a single entity or a two-post rack next to the broom closet in the local branch of a bank, is constantly evolving. Of the myriad equipment and configuration choices available to data center managers, one of the more commoditized assets is an uninterruptible power supply (UPS). A unit is selected, often at the direction of a qualified re-seller, a service contract is purchased, and it runs along silently for three-to-five years. The batteries will be replaced along the way, but the user interface and power electronics all operate without incident. As long as the batteries are not cycled often, this is a reasonable arrangement. Continue reading

Using Fujifilm Prescale During The Manufacture and Test of Li-Ion Cells and Batteries

Sensor Products, Inc.

It is generally accepted that battery manufacturers reject over five percent of cells during manufacturing and testing. Two major causes of these rejects are cell leakage and failure of formation cycling and charge-retention tests. Leakage usually occurs when there are defects in the perimeter seals of cells or in fill tubes. Cycling and charge-retention problems are a result of defects in positive and negative electrodes. For economic reasons, all cell and battery manufacturers strive to eliminate these costly rejects.

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Achieving ‘Charge Quality’ for Lead Acid Batteries in Industrial Motive Applications

Delta-Q Technologies

The battery pack is often the most expensive part of the bill of materials for an electric drive vehicle or industrial machine. The battery pack’s energy consumption, maintenance, and replacement costs are a significant driver of an end user’s total cost of ownership. How do we get the most out of something, the battery pack, that we know will eventually fail? Continue reading

Various Factors Impacting a Battery Systems’ Potential Post Seal Leaks

Delta-Q Technologies Releases New Insights into On-board Battery Charger Reliability for Electric Vehicles and Industrial Equipment

Delta-Q Technologies

Delta-Q Technologies has released new insights into on-board industrial battery charger reliability and validation testing with its white paper, “On-board Charger Reliability for Electric Drive Vehicles and Industrial Machines.” Drawing on Delta-Q’s design and validation expertise, the paper details how original equipment manufacturers (OEMs) can improve integration of on-board chargers into machines such as lift trucks, aerial work platforms and floor machines. Benefits include higher charger reliability leading to improved machine availability, and productivity gains by increasing charging convenience. Continue reading

Comparison Between Flat and Tubular Positive Plates in Lead-Acid Batteries

Storage Battery Systems

Lead-acid batteries have been around for more than 150 years. While flat plate models with a lattice grid represented a technological leap forward in 1881, tubular construction is a more robust technology with many advantages. With advancements such as the use of non-woven gauntlets encasing the positive spine plate to more advanced manufacturing
techniques, tubular batteries provide enhanced performance and improved reliability as compared to flat plate technology. Continue reading

Navigating the Regulatory Maze of Lithium Battery Safety

Tom O’Hara, Global Business Manager / Advisory Services, Intertek

Governments regulate those areas in life where significant hazards are presented. One example is automotive regulations, which cover issues ranging from gas tank safety to crash protection to lighting strike. Regulations reach beyond the manufacturing of the vehicle to encompass usage of the vehicle and require that drivers are licensed and have auto insurance. Continue reading