I'm told the theoretical energy density for lead acid electro-chemistry is 167Wh/kg. Let's look at Energy Denisty a little closer to help create that sense of mania towards this technology. Cost should stay competitive with the premium lead acid market and will not be nearly as expensive as comparable lithium products. Thereafter I would say the industrial, recreational vehicle and marine market will introduce it, followed by the automotive and perhaps power sport market. I imagine motive, telecom and large group size batteries for renewable energy will be the first to implement the technology. New ‘green and clean’ claims will be made as there is less waste and more power generated from the same size footprint as standard lead acid prismatic batteries.
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As they share and license this technology, expect to hear announcements from mainline manufacturers over the coming months and years. Yes! This is Reason to become manic over Bipolar Batteries. However, cost and technical constraints have limited the practical applications despite the efforts of countless organizations.īut that has all changed! The BiPolar Battery AdvantageĪBC has successfully designed a bipolar, lead-acid battery and developed and implemented a commercially viable manufacturing process.
They should provide uniform current density, increased active material utilization, higher energy density, higher power density and simpler construction. The advantages of bipolar batteries have long been known. Electrons can pass straight through without first needing to ‘explore’ the far expanses of the battery. In contrast, a bipolar design allows for a more direct route. Again, placing limitations on power and energy density. This continuous path through the hanging grids increases internal resistance which produces excess heat. (I threw in the word gauntlet to make the process seem more villainous, it’s not). Prismatic batteries have an ants-go-marching-one-by-one effect, where electrons have to start at one end of the gauntlet and follow the entire path to the other end. This limitation of active material means you cannot harness any power gains from that region of the battery. The space between the circles and edge of the battery is wasted). The spiral cell, despite having great vibration resistance, is limited by non-usable voided space (picture six circles in two rows of three. The spiral bound battery is marketed by Johnson Controls under the Optima brand name. The prismatic battery (perhaps referred to as monopolar by some) is by far the most widely adopted and used by companies such as East Penn (DEKA) Manufacturing, MotoBatt, Yuasa and Trojan for example. The prismatic battery and the spiral cell battery. This Russian born scientist is famous for many discoveries including super-fluidity which is the phenomenon allowing liquid helium, at very low temperatures, to flow without resistance.Ĭurrently, there are two primary forms of the sealed lead acid battery. The concept of a bipolar battery has been around for nearly 100 years! Pyotr Kapitsa, who won the Nobel Prize in Physics in 1978, first introduced the theory behind bipolar batteries back in 1924. I will attempt to keep my terminology and definitions ultra-simple and relate examples of them to names and brands you may recognize. But what makes this technology so extraordinary? And perhaps more importantly, what is a bipolar battery and why should we care? A Short Historical Foundation For this age old industry, thought to be in its twilight years, fighting against competing technologies, such as lithium-ion and NIMH Cobalt, this truly is remarkable. They have developed a BiPolar battery technology that promises to propel the lead acid battery industry into the limelight once again. I was reading about an innovative company known as Advanced Battery Concepts (ABC for short) out of Clare, MI.
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