Battery Chemistries Explained 

At AceOn, we have decades of experience working with different battery chemistries, compositions, and types. It’s crucial that you choose the most appropriate battery chemistry for your application. So, to help you, we’ve put together some useful information below that you can use to help make your mind up. 

If you need further advice, please feel free to contact one of our battery experts at our Telford HQ, who would be delighted to talk you through the various options available to you. 

Non-Rechargeable Battery Chemistries

Non-rechargeable batteries, or primary batteries, are designed for single-use applications. Once depleted, they cannot be recharged and must be disposed of or recycled. Below are several prominent types of non-rechargeable battery chemistries that we have worked with over the years: 

Air Alkaline Batteries

Air alkaline batteries utilize oxygen from the atmosphere as a depolarizer, which allows them to have higher energy density than standard alkaline batteries. They are often used in low-drain devices such as remote controls, wall clocks, and flashlights. With their lightweight composition and prolonged shelf life, air-alkaline batteries are an eco-friendly option.

Air Depolarized Batteries

Air-depolarized batteries, a subtype of primary alkaline batteries, rely on oxygen to reduce the battery’s internal resistance, improving performance. They are generally larger and can be used in high-drain applications, producing significant amounts of energy and extending the lifespan of devices like power tools and high-camera systems.

Alkaline (Zn-MnO2) Batteries

The alkaline battery chemistry, primarily composed of zinc (Zn) and manganese dioxide (MnO2), is one of the most commonly used battery types in household items. Known for their long shelf life and relatively high energy density, alkaline batteries provide reliable performance in devices like toys, clocks, and remotes.

Lithium Bromine Chloride (Li-BCX)

Lithium bromine chloride is a specialized chemistry used primarily in high-energy-density applications. Due to its long allowable storage times and reliability under a variety of conditions, it is often found in medical devices and remote monitoring equipment.

Lithium Iron Disulfide (Li-FeS2)

Commonly used in high-drain equipment, lithium iron disulfide batteries are notable for their lightweight and high energy density. Their chemistry allows for extended life in critical devices, such as digital cameras and portable electronic gadgets, providing an advantage over traditional alkaline batteries.

Lithium Manganese Dioxide (Li-MnO2)

Lithium manganese dioxide batteries provide high thermal stability and are commonly utilized in various applications, including cameras and smoke detectors. Their advantages include safety, reliable voltage, and a longer lifespan than similar chemistries.

Lithium Poly-Carbon Monofluoride (Li-CF)

This chemistry offers a relatively high voltage and is well-suited for applications requiring long shelf life and stability under varying temperatures. Li-CF is often used in specialty devices, including military applications and specific medical devices.

Lithium Sulfuryl Chloride (Li-SO2Cl2)

This lithium-based chemistry produces high energy density and is designed for demanding applications, including military and aerospace. Li-SO2Cl2 batteries are particularly valued for their ability to operate in extreme temperatures and maintain reliable performance.

Lithium Sulphur Dioxide (Li-SO2)

Lithium sulphur dioxide batteries are another high-energy and technically interesting battery chemistry, which are known for their ability to function in extreme conditions. Due to their robustness, they are often used in applications ranging from remote sensors to emergency equipment.

Lithium Thionyl Chloride (Li-SOCl2)

Designed for long-lasting service, these batteries deliver excellent energy density and are favoured in telemetry, medical devices, and military equipment applications. Their low self-discharge rate enables them to provide power continuously for years.

Silver Oxide (Zn-Ag2O)

These batteries are known for their high energy density and stable voltage profile. Frequently used in precision devices like watches, hearing aids, and cameras, silver oxide batteries perform exceptionally well under varying temperatures and conditions.

Zinc Air (Zn-O2)

Zinc air batteries are notable for their high energy density and are often employed in hearing aids and other portable medical devices. They operate on oxygen from the air and exhibit a remarkable weight-to-energy ratio.

Zinc Chloride (Zn-MnO2)

Zinc chloride batteries are a variant of standard alkaline batteries known for delivering reliable energy levels. They are commonly used in consumer applications, from remote controls to various portable electronics, providing a good balance between performance and cost.

Rechargeable Battery Chemistries

Rechargeable batteries, also known as secondary batteries, can be cycled numerous times. They play an essential role in modern technology, powering everything from smartphones to electric vehicles. Below are some primary types of rechargeable battery chemistries:

Lead Acid (Pb) Batteries

Lead-acid batteries are one of the oldest types of rechargeable batteries. They are widely used in automotive applications and backup power supplies because they deliver high-surge currents. Despite their relatively low energy density and heavy weight, their cost-effectiveness makes them a popular choice for many applications.

Lithium-Ion (Li-ion) Batteries

Lithium-ion batteries are known for their high energy density and efficiency. These batteries have become the gold standard for portable electronics, electric vehicles, and renewable energy storage. Their lightweight nature, low self-discharge rate, and ability to be charged quickly contribute to their widespread acceptance in the marketplace.

Lithium Iron Phosphate (Li-FePO4)

Lithium iron phosphate batteries are noted for their thermal stability and safety profile, which makes them suitable for power tools, electric vehicles, and renewable energy storage systems. Although they have a lower energy density than traditional lithium-ion batteries, their long life cycle and enhanced safety features make them a preferred choice for many applications.

Lithium Polymer (Li-poly) Batteries

Lithium polymer batteries feature a gel-like electrolyte, enabling them to be manufactured in various shapes and sizes. This flexibility allows them to fit into space-constrained devices such as smartphones and drones. While they often carry a higher cost than Li-ion batteries, their lightweight and adaptable design makes them valuable for modern technology.

Lithium Titanate (Li2-TiO3) Batteries

Lithium titanate batteries are recognized for their ultra-fast charging capabilities and remarkable operational longevity. They are particularly advantageous in applications demanding rapid cycling and longevity, such as electric buses and grid storage systems. Despite lower energy density, their safety and rapid charging abilities make them ideal for critical power applications.

Nickel Cadmium (Ni-Cd) Batteries

Before lithium technologies took precedence, nickel-cadmium batteries were widely used in portable devices. While they remain in use due to their robustness and performance in extreme conditions, they have fallen out of favour due to environmental concerns pertaining to cadmium disposal. Ni-Cd batteries exhibit a memory effect, influencing their overall performance.

Nickel Metal Hydride (Ni-MH) Batteries

Ni-MH batteries have largely replaced Ni-Cd batteries in many applications, especially consumer electronics. Offering a higher energy density and less environmental impact than nickel-cadmium, they are frequently utilized in hybrid vehicles and rechargeable AA and AAA batteries. Their versatility and willingness to accept various charging currents lend them a broad application base.

Buy Batteries Today 

Would you like to buy batteries for your chosen application directly from AceOn? Visit our online store today to buy batteries directly and for competitive prices.