SAE Automotive Engineering magazine: Powering up the new stop-start systems
As stop-start systems gain acceptance in North America, a range of technologies including lithium ion batteries, ultracapacitors, and 48-V "mild hybrid" systems are under consideration to handle aggressive start cycles, typically more than 20 per day, that are required of these systems. Stop-start is aimed at reducing vehicle fuel consumption and emissions by reducing engine idling.
Thinking Beyond Stop-Start
Hybrid vehicles are old hat, and nearly always relegated to a niche market – currently about 3 percent of U.S. car sales. Electric vehicles are sexy, but it’ll be a long wait until they’re an economically sound choice for the average Joe. As the country’s corporate average fuel economy (CAFE) standards rise, what are car manufacturers to do?
The Tesla Model S, ultracapacitors, and large energy storage
From Maxwell’s perspective, ultracaps in these types of hybrid systems really are a great complement to batteries. They help extend life expectancy as well as reduce the potential size of the batteries required. The operational temperature range also give ultracaps an advantage, even though most of these systems will have some sort of thermal management capability. Ultracaps are exceptional at extreme cold temperatures as compared to batteries, so thermal management design, if implemented, need not be too elaborate or costly.
Ultracapacitors, starting technology addressed in new white paper
Maxwell Technologies has released a white paper addressing the engine starting technology available in the medium- and heavy-duty marketplace.
The white paper is titled “How Ultracapacitors Improve Starting Reliability for Truck Fleets” and primarily focuses on the advantages of such technology in today’s industry.
Duke’s front and back of meter ultracapacitor-battery goes live
A large-scale system combining advanced batteries and ultracapacitor energy storage to provide both grid services in front of the meter and behind the meter solar shifting is up and running in North Carolina, according to one of the project’s partners.
Maxwell Ultracaps For Truck Starting
New White Paper Extols the Advantages over Batteries
Maxwell Technologies has issued a new white paper enumerating the advantages of using its ultracapacitor-based ESM/engine start module to improve the operational reliability of trucks.
Maxwell Technologies Completes Sale of Microelectronics Product Line to Data Device Corporation for $21 Million
SAN DIEGO, April 27, 2016 /PRNewswire/ -- Maxwell Technologies, Inc. (NASDAQ: MXWL), a leading developer and manufacturer of ultracapacitor-based energy storage and power delivery solutions, today announced that it has completed the previously announced sale of its microelectronics product line to Data Device Corporation ("DDC"), a subsidiary of ILC Industries, Inc. The sale included all assets and certain liabilities related to the microelectronics product line. As part of the purchase agreement, 37 employees have transitioned from Maxwell to DDC. Existing product customers and business partners should see no disruption in service.
Duke Energy Testing New Battery and Ultracapacitor System in NC
Duke Energy has started testing a first-of-its-kind battery technology at its Rankin substation in Gaston County, North Carolina. The hybrid ultracapacitor battery energy storage system (HESS) will demonstrate multiple service applications, including extended operational life, rapid response, real-time solar smoothing and load shifting.
Engine start module options
Truck OEMs such as Peterbilt and Kenworth have recently made ultracapacitor engine start modules (ESM) available as a factory-installed option. The ultracapacitor replaces one traditional battery dedicated to starting the vehicle.
How to test for a voltage drain
What’s the proper testing procedure to find the source of the voltage drain? Mark Burnside, senior product manager of engine starting products for Maxwell Technologies, explains.