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Lithium-ion (Li-ion) batteries and devices containing these batteries should not go in household garbage or recycling bins. They can cause fires during transport or at landfills and recyclers. Instead, Li-ion batteries should be taken to separate recycling or household hazardous waste collection points.
To prevent fires, which can happen if batteries come in contact with each other or with other metals, EPA recommends taping the battery terminals (or connections) with non-conductive tape. Electrical tape is preferred, but all adhesive tapes not made of metallic material will work. Alternatively, placing each battery in its own plastic bag also isolates the terminals.
The battery or device may list its chemistry on the batterys case, instruction manuals, or product markings. There may also be symbols or icons that state the chemistry or the chasing arrow symbol with the words Li-ion below it.
When Li-ion batteries or the devices that contain them are mistakenly put into the municipal recycling bin, they will end up at a municipal recovery facility (MRF) that is typically equipped to recycle only household paper, plastic, metal and glass. When this happens, the batteries can become damaged or crushed during processing and may become a fire hazard. It is important to note that the chasing arrow symbol (i.e., three arrows forming a triangle) on Li-ion batteries means you can recycle these batteries at specialized battery recyclers; it does NOT mean you can put Li-ion batteries in the municipal/household recycling bin.
Reusing and recycling Li-ion batteries helps conserve natural resources by reducing the need for virgin materials and reducing the energy and pollution associated with making new products. Li-ion batteries contain some materials such as cobalt and lithium that are considered critical minerals and require energy to mine and manufacture. When a battery is thrown away, we lose those resources outrightthey can never be recovered. Recycling the batteries avoids air and water pollution, as well as greenhouse gas emissions. It also prevents batteries from being sent to facilities that are not equipped to safely manage them and where they could become a fire hazard. You can reduce the environmental impact of electronics that are powered by Li-ion batteries at the end of their useful life through the reuse, donation and recycling of the products that contained them.
The material composition, or chemistry, of a battery is tailored to its intended use. Li-ion batteries are used in many different applications and many different environmental conditions. Some batteries are designed to provide a small amount of energy for a long time, such as operating a cellphone, while others must provide larger amounts of energy for a shorter period, such as in a power tool. Li-ion battery chemistry can also be tailored to maximize the batterys charging cycles or to allow it to operate in extreme heat or cold. In addition, technological innovation also leads to new chemistries of batteries being used over time. Batteries commonly contain materials such as lithium, cobalt, nickel, manganese, and titanium, as well as graphite and a flammable electrolyte. However, there is always on-going research into developing Li-ion batteries that are less hazardous or that meet the requirements for new applications.
Today, Li-ion batteries are made from minerals such as lithium, cobalt, nickel and manganese. Currently, cobalt, manganese and nickel are often recovered. Lithium may also be recovered, but it often must be further processed for it to be used again.
It is best to store Li-ion batteries at room temperature. There is no need to place them in the refrigerator. Avoid long periods of extreme cold or hot temperatures (e.g., dashboard of car in direct sunlight). Long periods of exposure to these temperatures can result in battery damage.
Sometimes, the battery inside a product will become swollen. The swelling indicates damage to the battery and is a potential fire hazard. Assess your situation and if there appears to be no imminent threat of fire, contact the manufacturer of the product, the retailer where it was purchased, or (depending on if you are a business or a household) your state waste management agency or your local household hazardous waste program for direction on proper management. Store the battery or device in a safe location until the proper disposal option is identified. This could be in a bucket full of a fire suppressant such as sand or kitty litter or in another location away from flammable materials. If you think you have an imminent risk of fire, you may need to call 911.
Key Takeaways:
Lithium battery terminals are critical for optimal performance and longevity. This comprehensive guide covers everything you need to know about lithium battery terminals, from key types and proper maintenance to mistakes to avoid.
Follow these best practices for lithium battery terminals and your batteries will deliver reliable power for years to come.
Battery terminals are the metal tabs or connectors attached to the ends of a battery. Their purpose is to allow secure physical and electrical connections for charging and discharging the battery.
Proper battery terminal connections are extremely important for several reasons:
By ensuring proper installation and maintenance of battery terminals, users can optimize battery lifespan and performance. Battery terminals may be small components, but they play an outsized role in battery function.
Lithium battery terminals come in various shapes and styles, each with their own set of advantages and ideal use cases. The three main types of lithium battery terminals are:
This basic flat tab design is the most cost-effective and space-efficient terminal type. Flat terminals offer straightforward connectivity through simple soldering, welding, or hardware attachments.
However, the limited contact surface area can lead to comparatively higher electrical resistance and more heat generation. This style is best suited for low-drain batteries where maximum conductivity is not essential.
Stud terminals improve conductivity by using a protruding round threaded post attached to the battery surface. This allows for secure connections with plenty of adjustable contact area for very low resistance.
Studs provide versatile connectivity but occupy a larger footprint vs flat terminals. They also allow the use of multiple fasteners like washers and nuts to fine-tune the connection.
Stud terminals are a great choice for high-drain applications.
If robust physical connections are the top priority, bolt or clamp terminals are ideal. These use bolts or clamps integrated into the terminal design to form an extremely rugged, vibration-resistant connection.
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However, they do require more complex installation procedures than simpler terminal types. Bolt/clamp terminals are popular in electric vehicle batteries where resilience is key.
In summary, with flat terminals, you trade off some conductivity for compactness and cost savings. Stud terminals offer maximum conductivity in a more adjustable package. And bolt/clamp terminals prioritize ultra-secure physical connections above all. Consider the performance needs, available space, installation process, and cost sensitivities when selecting lithium battery terminals.
The right terminal provides secure electrical and mechanical connectivity over thousands of battery cycles.
Connecting lithium battery terminals properly is vital for optimal performance. There are a few key steps in the process:
Terminals must form high-conductivity connections to the internal battery cell electrodes. Common methods include:
External connections complete the electric circuit to utilize the batterys power capacity:
Proper installation results in:
Robust connections during installation and throughout battery life are essential.
Proper terminal maintenance is key to maximizing battery lifespan. Here are tips for upkeep:
Look for:
Use a voltmeter to check for abnormally high resistance.
Loose battery terminals can lead to:
Options to restore terminals include:
Routine inspection and maintenance preserves performance.
There are some important distinctions between terminals and lugs:
Pros of lugs:
Cons of lugs:
Lugs are useful for creating adjustable, removable links to terminals, but direct connections are most robust.
Following best practices for installing and maintaining terminals ensures longevity:
Routine maintenance keeps terminals working optimally for years.
Battery terminals may not be the most exciting battery component, but they play an outsized role in enabling lithium batteries to deliver reliable, efficient power output. Proper terminal selection, installation, and maintenance fundamentally supports battery functionality and longevity.
By understanding the different types of terminals and how to connect them robustly, battery users can optimize performance. Well-connected terminals allow batteries to charge and discharge smoothly over thousands of cycles.
With the right terminal know-how, you can ensure your lithium batteries live up to their full potential and exceed expectations. Thanks for taking the time to learn about these small but critical pieces that power our modern battery-driven lives!
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