Vehicle battery lifetime quotes,how long to recharge car battery alternator,price of car battery in australia zoo - Videos Download

14.04.2014
Electric vehicle have become a common sight on streets today, and many people have started to enjoy the quiet comfort, getting used to charging at night and silently doing errands. Photo of a BMW i3 at an EV charging station in California, by Kyle Field for CleanTechnica. Lithium battery voltage must be prevented from exceeding this voltage because it not only ruins battery life; it can lead to battery destruction or overheating and fire in some lithium batteries.
At the other end of cell voltage and charge, for maximum cycle life, deep discharge must be avoided.
Cycle life improves faster than DoD reduces, so that the total charge transferred is greater at lower depth of discharge. This is significant, because it means that a larger battery used at less than full discharge can be more economic and last longer than a smaller capacity battery used at full depth of discharge. If a battery pack is designed to have capacity providing long range, it is likely that daily charging will be at low depth of discharge. The C rate is defined in units of C, where 1C means the battery can be charged in one hour. For lithium batteries of a given chemistry type, modifications can be made to raise or lower C.
The impact of this on electric vehicles is that a battery pack sized for long range can have lower C rate and higher energy capacity. Properly designed, an electric vehicle with large capacity battery may be designed to control conditions affecting battery life and result in a long-range vehicle with long battery life.
We now have real-world evidence that controlling conditions in this way can result in long battery life. With better characteristics of NCA cells used in the Model S, even greater battery life performance may be possible.
CleanTechnica Tesla Model S reviewer Kyle Field snapped this photo of a Model S P90DL in Santa Barbara, with Kyle’s Model S and a new blue Model S in the background.
Other manufacturers are continuing to increase electric Vehicle range and battery performance and life.
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The degradation of a 100% charge only applies if that charge is held for a long period of time.
With the Nissan Leaf for example, you can set the time when you wish the battery to complete it’s charging.
My main strategy for being kind to the battery of my Zoe is not charging her after I get home, but charging her before I leave. In Germany a Tesla Roadster owner drove 200000 km and the capacitiy dropped to 70% by then, this was already in 2012. I remember a story from a Model S owner in the US that already drove 200000 km with his car by 2015, but no battery degradation was mentioned.
I think the cycle life of batteries designed for EV’s should be much higher than 500 cycles even at a higher voltage charging.
One daily cycle at 80% DOD (starting with 100% each day) and you get 2,200 cycles means a life expectancy of the battery of 6 years.
I think this is overly technical for most, a general user needs to know that their battery will last the life of the car (10 years or 150k miles) or so. A buyer who wants to drive to 150k miles should maybe plan on the range being 60-80% of new range though, as a typical EV run at 85% or 95% DoD will have more range loss than a Volt, but at the same time the battery isn’t charged near as often, a Bolt EV might only have 500 charge cycles to go 100,000 EV miles vs the 2500 for the Volt. Nissan began with no capacity warranty, relented when their customers sued them and now have different capacity warranties for different size batteries. It a fairly technical presentation (for me at least) but there were a few things I could immediately take away upon a single viewing.
One was that experiments in multiple additives in the electrolyte can have radically different results on the life of the cell. Another is that heat is bad for batteries (already knew that) but it’s the time that it spends in the heat charging (longer is worse,) charging to 100% capacity every time and letting the car sit for a long time like that in high heat is also something to avoid. So, the hot summer regime I came up with the other day of charging to around 80% most nights, when it’s coolest, is about the best I expect to do. With a CHAdeMO charger on just about every street corner in every Japanese city (check out the PlugShare app,) you can perpetually quick charge 4 or 5 times a day if you need to really get around. If you want to go into information overload on i-MiEV battery info, the excellent My i-MiEV Forum has all you would ever want to know.
Compared to flooded lead-acid batteries, lithium iron phosphate batteries pack in more energy per physical size and weight. A battery management system protects its cell by shunting current around it when it is full. The truck’s in-cab battery monitors show battery state-of charge (top), and BMS cell voltage and temperature (bottom).


IntermediateIn 2007, I converted a GMC Sonoma from its original gasoline propulsion to pure electric, using flooded lead-acid (FLA) batteries (see “Born to be Wired” in HP122). However, the battery weight (approximately 1,800 pounds) brought the vehicle very close to its maximum gross weight of 5,000 pounds. This undoubtedly contributed to a shorter life, but the nail in their coffin occurred when I was unexpectedly called away for several weeks during the summer.
I didn’t realize this until I tried to drive my vehicle and heard a “bang” in the battery box, and the vehicle lost power. Because I wanted my next battery pack to give me better service, I started investigating lithium iron phosphate (LFP) batteries, which had dropped in price significantly—from $75,000 for a 31 kWh pack in 2006 to $12,000 in 2010 (since then, prices have remained fairly constant). Switching to LFPs shaved almost 1,000 pounds from the vehicle, more than doubled the vehicle’s range, gained back the vehicle’s original acceleration, and nearly halved its energy use per mile.
My converted electric GMC Sonoma pickup was featured in the article “Born To Be Wired” in HP122. Anniel, Lithium batteries are still 10 times safer than gas and millions safer than lead acid.
With cooling on lithium batteries like my FORD Focus EV I think the batteries will last 16-20 years. Government testing show a 10-20 year life mostly depending on temperature and of course no running them way down or over charging. Car NewsAimed at those searching for the latest automotive news delivered in a timely manner, the news category reports about new car releases and brings exclusive stories from the automotive niche.
Car ReviewsReading our latest Car Reviews will treat you with professionally written and well executed car reviews from our experts. Car TechHere’s where you’re going to find the latest news, reviews, and opinions on car technology and gadgets written by well educated writers. EditorialsAnalysing car market and the whole automotive world, we bring you the biggest and most intriguing stories while providing interesting facts, publishing unconventional reports and delivering amazing articles and editorials on popular car culture. This is not a simple question, because it depends on chemistries, sizes, operating conditions, and pack configurations. Battery management systems (BMS) are used to control charging voltage so that the max charging voltage and temperature is never exceeded. The interface where the exchange of ions happens between the electrode and electrolyte is called the solid electrolyte interface (SEI) and this forms an SEI layer. Researchers have found that improvements in cycle life increase non-linearly as depth of discharge is reduced. The Tesla Roadster achieves long battery life with lithium-cobalt batteries by controlling all four of the factors listed: temperature, maximum voltage or full charge, minimum voltage or depth of discharge, and C rate.
Chevy has announced the Bolt with 200 miles of range, while both Nissan and BMW have let it be known they also intend to increase range. Battery life must be assessed from both operating conditions and battery characteristics to accurately determine results. An electrical engineer familiar with power and electronics, he has participated in the Automotive X Prize contest. If You charge to 100% then use that charge immediately, then degradation becomes a non-issue. It would be reasonable for long warranties to be subject to correct use conditions, with only exceptional deep discharges, etc. There is unnecessary confusion with capacity warranties being separate to the Materials and workmanship warranty. The type of FLA batteries most commonly used for EV conversions, golf cart batteries, have three 2 V cells and a capacity ranging from about 200 to 260 amp-hours (Ah).
I expected my batteries to have a five-year life, but in the third year, they started to show signs of failure. I knew that the best practice for FLA batteries is to re-water them monthly if they are being cycled frequently (as they usually are in an EV). In my original design, a daily timer was set on the battery charger to ensure the batteries were fully charged before I left on my morning commute. Several of the batteries in the middle of the pack (those that got the hottest) had swollen—one had swollen enough to cause an internal short circuit, which ignited the gasses at the top of the battery. A comparable FLA bank was more affordable (about $5,000), but I was convinced that Li-ion batteries would improve vehicle performance (power, acceleration, range, and energy economy) and render a long-term payoff.
To see why I experienced such a dramatic improvement, we need to compare the batteries themselves. The LFP reference batteries are high-capacity (180 to 200 Ah), 3.2 volt prismatic batteries. Bluecar in Italy does it and gets 150 miles per charge with a MiEV Mitsubishi sized vehicle. Car news are delivered every day and focused on those in need of the newest from the automotive world.


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Reading well executed tech articles leads to the expansion of knowledge in various themes ranging from car engines or base car technology to the newest official car tech reports by the largest car manufacturers in the world. You can read stories about autonomous vehicles, various list articles debunking car intrigues etc. Lithium-ion batteries contain electrodes, conductors through which current enters or leaves the cell. At some point, the layer becomes large enough that no ions can pass and the battery life ends.
It means that the route to long range, high capacity, may also result in lower depth of discharge and longer life for a given battery chemistry.
In a battery pack, more cells in parallel lower the peak current in each cell and allow each cell to operate at a lower C rate. If maximum charge is limited to 80% under everyday driving conditions, maximum voltage is avoided. A cursory analysis of electric vehicle mileage based on 100% discharge cycles yields an erroneous result because it does not consider the effect of reduced depth of discharge. They don’t have the energy density, of lifepo but they can be rapid charged without much degradation. Moving the truck’s 3,200 pounds required a higher voltage than the 96 or 120 volts commonly used for lighter-weight vehicles, so I used 24 batteries for 144 V and an energy capacity (at 100% discharge) of about 37 kilowatt-hours (kWh).
Lithium is also considered non toxic by the EPA but do have 2nd life as solar back up and are recycled! Battery cycle life is measured in cycles, with an industry standard of cycles to 80% capacity often used as a benchmark. In between the electrodes is an electrolyte, a solution used to conduct current between the cells. This kind of battery lifetime limit is worsened the longer the cell is kept at maximum voltage and high temperature.
Further, if maximum charging is intentionally limited during most operation, battery calendar life may be extended. In an electric vehicle application, the desired peak battery pack current can be reached with either a pack with more parallel cells (thus, larger energy capacity) or fewer parallel cells and a higher C rate. If the battery pack is also thermally controlled, both maximum voltage and high temperatures are avoided. With a range of over 200 miles, and an average daily mileage of about 30 miles, cycle life and mileage is extended.
I still charged (almost) every night and slept well knowing that if the car didn’t charge, or the power went off, I could still make it to work. I was usually good at watering the batteries, but on a few occasions, I postponed it, only to find that enough of the electrolyte had evaporated to expose the top of the lead plates to air.
This boiled off a significant portion of the electrolyte and overheated the batteries, causing them to swell. But after testing, I found that all of the remaining batteries had a significant reduction in capacity—the only solution was to replace them all.
In comparing, keep in mind that a golf-cart battery has three cells for about 6 V, whereas the LFP prismatics come as single cells (packs of 4 cells for 12 V are also available).
Conduction is achieved through exchange of ions between electrodes and through the electrolyte. The idea here is to avoid maximum voltage and high temperatures for extended periods of time.
Exposed lead oxidizes, making it harder for the plates to interact with electrolyte and, thus, reduces their capacity.
The comparison table values based on watt-hours (Wh) provide an apples-to-apples comparison because they relate to stored energy. Battery manufacturers are aware of this, and keep their batteries at states of charge of as low as 40% to maintain battery capacity during storage and shipment. Calendar life increases by controlling pack temperature and limiting maximum charge to a short period of time because trips are taken soon after full charge. Except where noted, the table characteristics come from manufacturers’ specification sheets.
C rates are reduced and controlled because the pack current capability is large relative to charge and discharge rate.



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