Cold Chain Batteries

Tadiran Batteries (Lake Success, NY) offers bobbin-type lithium thionyl chloride (LiSOCl2) batteries that have been modified for use in the cold chain, enabling wireless sensors to continuously monitor the transport of food, medicines, vaccines, and tissue specimens that are frozen or packed in dry ice.

They feature a non-aqueous electrolyte that is uniquely adapted to survive at -80 °C, which is required for transporting the COVID-19 vaccine. Features include voltage of 3.6V, service life of 20+ years, and a glass-to-metal hermetical seal.

They are available in 1/2AA, 2/3AA, AA, C, D, and DD cylindrical cells; wafer cells; and custom battery packs.

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Board-to-Board Battery Connectors

AVX Corp. (Fountain Inn, SC) introduced the 9155-250 Series of board-to-board battery connectors for electrical and mechanical connectivity in harsh, high-temperature applications for up to 5,000 mating cycles. They feature 3.6-mm-high, halogen-free, high-temperature, UL94 V-0 nylon insulators; 4.5-mm nominal working heights; two to five gold-plated beryllium copper contacts rated at a full 3A each on a 2.5-mm pitch; and tin-over-nickel PCB tails. They are end-to-end stackable and packaged on tape and reel for automated processing.

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Supercapacitors

Cornell Dubilier (Liberty, SC) introduced the Illinois Capacitor DSF Series high-voltage and high-energy-density supercapacitors with 3.0 WVDC for a single component and 6.0 WVDC for a dual-pack device. The series includes 17 different value/voltage combinations, ranging in capacitance from 1.5F (Farad) to 600F. Multiple devices can be banked in series or parallel for higher voltage or capacitance. They offer an operating temperature range from -40 °C to 85 °C @ 2.5V and -40 °C to +65 °C @ 3.0V.

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Long-Duration Batteries

Unipower (Coral Springs, FL) offers TEL Series Long Duration batteries that provide standby power to critical applications in the telecom industry. The batteries provide SR4228 compliance and a range of capacities from 30 to 125 ampere hours. Installation options include relay racks and cabinets. Features include low-profile terminals with threaded copper alloy inserts, a non-spillable design for non-restricted transportation options, a flame-retardant case, a nominal operation temperature range from +74 °F (23 °C) to +80 °F (27 °C), and the ability to store the battery up to six months at 77 °F (25 °C) before a freshening charge is required.

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Battery Compounds

Goodfellow (Coraopolis, PA) announced six chemical compounds for use in Li-ion batteries. Cathode materials include Lithium Cobalt Oxide, Lithium Manganese Oxide, and Lithium Nickel Manganese Oxide. Anode materials include Lithium Titanium Oxide and solid electrolyte materials include Lithium Lanthanum Zirconium Oxide and Lithium Orthosilicate.

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Coin Cell Power Packs

A series of compact multipurpose coin cell power packs from Keystone Electronics (New Hyde Park, NY) provides secure holders for a single 2032 coin cell battery for 3V applications or dual cells for 6V applications. The power packs feature a built-in on/off toggle switch for multipurpose applications. The body is manufactured from molded polypropylene and the contacts are made from phosphor bronze with nickel plating. The self-contained compact power packs may be placed on or off a board as well as between components.

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Switching Power Supplies

AutomationDirect (Cumming, GA) offers RHINO switching power supplies with current output from 3.4A to 40A at 24 VDC. Advanced Power Boost protects the system and ensures continuing operation when a large inrush current is detected due to faulty load on a multiple load connection. A built-in DC OK contact and DC OK/Overload LED indicator are provided. The RHINO PSD series, with built-in LCD display, gives users the ability to verify output current, output voltage, peak hold current, and ambient temperature data. They feature full power temperature rating from -25°C to +60°C @ 5,000 m (16,400 ft.).

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Power Supply

EA Elektro-Automatik (Viersen, Germany) offers the EA-PSB 10000 30-kW bidirectional power supply in four rack units. In interconnected operation, the units produce total power in parallel of up to 1,92 kW. With a 5" touch display, users can make settings directly on the device. Charging and discharging an energy storage in various power ranges may be carried out with just one device. Energy in the motor testing recuperation phase can be collected directly and fed back to the mains. Water cooling is an available option. Fully digital controls allow remote setting of customer-specific PID parameters.

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Configurable Power Platform

Advanced Energy Industries (Denver, CO) introduced the Excelsys CoolX®3000 modular, configurable power platform that features digital communication and control to connect with other applications. It features up to 24 isolated field-configurable outputs and individual output controls as well as full control of output voltage and current, and sequencing control via digital and analog interfaces. It is approved for operation in high-altitude conditions of up to 5,000 meters.

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Power Distribution System

Dataspeed (Rochester Hills, MI) offers an intelligent Power Distribution System for powering instrumentation, computers, car motors, radars, and sensors of a test vehicle. It features 12 automotive independent DC relay channels, two cooling fans, and internal temperature sensors for channel temperature monitoring. The onboard computer controls the power sequencing and continuously monitors each of the 12 channels. Features include CAN, Ethernet, and USB communication and the ability to connect up to four units together for 48 channels.

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Power Supply

TDK-Lambda Americas (National City, CA) announced the TPS4000-48 power supply that delivers up to 4080W output power (48V at 83.3A) in a 2U high package. Features include high-voltage, three-phase input; isolated AC Fail, DC Good, and dropped phase signals; and a 12V 0.3A standby supply. Users may remotely monitor output voltage, output current, internal temperature, status signals, and fan speed. Up to eight units can be connected in parallel for higher power.

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Energy Storage Capacitors

Vishay Intertechnology (Malvern, PA) offers ENYCAP electrical double-layer energy storage capacitors for energy harvesting and power backup applications. Standard, ruggedized, high-voltage, and ruggedized high-voltage capacitors increase power density in industrial, renewable energy, and automotive applications. They offer useful life up to 2,000 hours at +85 °C; high-voltage capacitors offer rated voltages up to 3.0 V.

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Battery Management IC

The TLE9012AQU multi-channel battery monitoring and balancing system integrated circuit from Infineon Technologies Americas Corp. (El Segundo, CA) provides cell voltage measurement, temperature measurement, cell balancing, and isolated communication to a main battery controller.

It monitors up to 12 series connected cells, supports communication of up to 20 devices, and features an integrated balancing switch that allows up to 150 mA balancing current.

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Battery Technology Magazine

This article first appeared in the February, 2021 issue of Battery Technology Magazine.

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