Welcome to the Leaning Tools section of BatteryUniversity.com. Here you find practical experience and gossip from many conferences and academic institutions summarized in entertaining and easy-to-read presentations. Guys don’t want to read too much, so enjoy the engaging graphics as...
Battery users want state-of-charge (SoC) and remaining runtime clearly displayed on their devices. Smartphones apps do this in an amazing way, but one questions the resource on which the information is based on. While data can easily be digitized for...
The saying goes: “So you can start the car, but will the battery crank the engine again tomorrow?” With rapid electrification in vehicles, concerns also arise with steering and breaking drawing draw 100 amperes from the battery. The battery is...
Welcome to the Leaning Tools section of BatteryUniversity.com. Here you find practical experience and gossip from many conferences and academic institutions summarized in entertaining and easy-to-read presentations. Guys don’t want to read too much, so enjoy the engaging graphics as...
From basic Voltage to Electrochemical Impedance SpectroscopyFrom 2013 to 2020, experts predict a 3.7 fold increase in the demand of lithium-ion batteries. This growing dependency on batteries requires advancements in diagnostics to observe capacity loss to maintain reliability as the...
Tesla Motors expects to consume two billion Li-ion cells by 2017. Both the Tesla Model S and Model X electric vehicles (EV) get their electrical energy from the 18650 cell, a format that also powers laptops and medical devices. The...
Early batteries of the 1700s and 1800s were mostly encased in glass jars. As the batteries grew in size, jars shifted to sealed wooden containers and composite materials. There were few size standards, except perhaps the No. 6 Dry Cell...
Lithium Iron Phosphate (LFP) has identical charge characteristics to Lithium-ion but with lower terminal voltages. In many ways, LFP also resembles lead acid which enables some compatibility with 6V and 12V packs but with different cell counts. While lead acid...
Removing the “black-box” stigma by making performance transparentBattery users imagine a battery pack being an energy storage device that resembles a fuel tank dispensing liquid fuel. For simplicity reasons, a battery can indeed be perceived as a vessel storing electrical...
Learn how to make batteries safe with built-in protection circuits. Batteries can release high power, and most packs include protection against malfunction.
Discovering Damage before Danger Arises with the Three-prong Battery TestThe media is quick to report mishaps with lithium-ion batteries. A failed Li-ion gets higher attention than an accident with an older battery chemistry. Electric hoverboards have been recalled because of...
The market offers a wide choice of battery testers, all providing correct predictions when the battery is dead, but so does the user. The challenge is tracking the capacity of a working battery that is in normal use but will...
Global production of Li-ion batteries was roughly 35 gigawatt hours (GWh) in 2013; experts predict the demand will grow to 130GWh by 2020, a 3.7 fold increase. This presents a challenge as batteries need care in the hands of common...
After fewer than 100,000 flight hours, two main batteries in the Boeing 787 Dreamliner failed. This contradicts Boeing’s estimate as part of certification that a smoke event involving the new Li-ion battery should only occur once in 10 million flight hours.
Many perceive a battery as being an energy storage device that is similar to a fuel tank dispensing liquid fuel. This is a fallacy because measuring stored energy from an electrochemical device is far more complex. The article describes pros and cons of the battery fuel gauge and introduces new developments in battery management systems.
Knowing the health of a battery is important, but no quick method exists to test them with certainty. State-of-health (SoH) cannot be measured per se, only estimated to various degrees of accuracies based on available symptoms. A battery behaves much...
In 1995, Li-polymer surprised the battery world with a radical new design, the pouch cell. Rather than using a metallic cylinder and glass-to-metal electrical feed-through for insulation, conductive foil tabs welded to the electrode and sealed to the pouch carry...
Compare the pros and cons of the cylindrical cell, button cell, prismatic cell and the pouch cell which surprised the battery world with a radical new design.
Become familiar with the many different types of lithium-ion batteries: Lithium Cobalt Oxide, Lithium Manganese Oxide, Lithium Iron Phosphate and more.
Learn how extreme cold and high heat reduce charge acceptance, and the battery must be brought into moderate temperature conditions before charging. Learn how to extend battery life by moderating ambient temperatures.
Read an essay on the sharing of battery knowledge and share your opinions. This interface gives me an advantage in learning how the battery behaves in the field.
Learn about lithium-ion batteries and their different types. They have high energy density, relatively low self-discharge but they also have limitations.
Watch for limitations when using a battery at adverse temperatures and how to overcome the effects. Explore the limitations when operating a battery at adverse temperatures and learn how to minimize the effects.
Explore how batteries can be charged with solar power or a wind turbine. This is an exciting way to step outside our four walls and use renewable energy. Learn about charging your batteries from renewable resources and what it costs.
