Researchers at The Hong Kong Polytechnic University (PolyU) say they have developed a highly flexible, high-energy lithium battery for wearable electronics with a myriad of applications. PolyU’s novel lightweight Textile Lithium Battery demonstrates an energy density of more than 450 Wh/L and flexibility — with a bending radius of less than 1 mm and foldability […]
batteries
Battery self-discharge and designing for long life
Battery chemistries each have special qualities that can make certain cells impractical for varying kinds of internet-of-things applications. Sol Jacobs | Tadiran Batteries Circuit designers often find themselves in the position of trying to squeeze as much life as possible out of a battery. Today there is much discussion about boosting battery life through use […]
Extended operating range battery chargers optimized for wheelchairs
Phihong has announced its lineup of extended operating range battery chargers for power wheelchairs and mobility scooters. The complete line of products includes 2.5A, 3.5A and 8A chargers for different battery capacities. The DA80U-240A-R and the DA64U-240A-R, rated 24V/3.5A and 24V/2.5A, respectively, work with AGM batteries and come in a compact, fan-less case measuring 6.14” […]
Small lithium-ion rechargeable batteries feature high discharge/charge rates
Nichicon Corp. has developed the new Small Lithium-Ion Rechargeable Battery (SLB series) in conjunction with Toshiba Infrastructure Systems & Solutions Corp. SCiB technologies. Features The main feature of the SLB series includes: 1) A high rate of charge/discharge. The batteries are able to charge to approximately 80% in three minutes and discharge to 95% of […]
Maximizing efficiency and safety with rechargeable batteries
Some rechargeable lithium battery chemistries need more TLC than others when it comes to safety precautions. TOM BLAHA, MEMORY PROTECTION DEVICES RECHARGEABLE BATTERY TECHNOLOGY has come a long way, continually boosting performance with fewer annoying memory effects that severely limited the useful operating life of earlier generation cells. The most common rechargeable battery chemistries commercially […]
How long can a battery really last?
It pays to know how a testing regime can reveal whether specific types of lithium batteries will last as long as an application demands. SOL JACOBS, TADIRAN BATTERIES DESIGNERS MUST UNDERSTAND how their end device will consume power before they can choose a battery. Will the battery be depleted in a matter of hours, as […]
Pin-type rechargeable lithium battery targets tiny applications
A Pin‐type Lithium‐ion battery (CG-425A, nominal voltage 3.8 V, typical capacity 32.0 mAh) has a diameter of 4.7 mm and a weight of 1.0 g (without tabs). This battery is suitable for powering small applications such as wearable devices. This product, in addition to being a small and slim cylindrical-shaped rechargeable Lithium-Ion battery, features high […]
Image gallery: Structural batteries, hub motors, do-it-yourself Li-ion pouches mark Detroit-area Battery Show
A tri-show event that included the Battery Show North America, Electric & Hybrid vehicle technology Expo, and the Critical Power expo concluded last week in Novi, Mich. and hosted numerous technical presentations and displays of interesting technology. Here are some of the more noteworthy developments we noticed on the exhibition floor. NEXT PAGE: All hail […]
How telematics is evolving with the connected car
The embedded systems that control vehicle tracking grow more sophisticated by the day. Hope Bovenzi, Texas Instruments Inc. The phrase “car of the future” often invokes thoughts about autonomous driving. But it is fair to also consider what it will be like as a passenger once our driving habits change. With free hands and relaxed […]
Galvanic isolation for electric vehicle systems
High voltages and high currents circulating in EVs make the fundamentals of electrical isolation techniques an important topic. Ross Sabolcik, Silicon Labs AS automotive designs move toward electrification, high-wattage power electronics become critical to new electronic drivetrain and battery systems. In these applications, digital controllers safely interface with the high-voltage systems of modern electric vehicles […]
