Page 207 - Mechanic Diesel - TT

MECHANIC DIESEL - CITS

14 Extended Usage Time: Slower charging may take longer, but may result in a more durable and longer lasting
charge,
15 Peace of Mind: Knowing that your device is charging slowly especially when left charging overnight or
unattended.
These advantages collectively make slow charging an attractive option for users concerned about battery health,
safety, and long-term device performance.

Advantages of solidification of electrolyte by adding salicylic acid
Electrolyte: Electrolyte is prepared by mixing pure water in concentrated H SO in a lead acid cell and with its
4
2
help current flows in the cell.
Advantages
1 Improved safety: Solid electrolytes are often more stable and less prone to leakage or combustion compared
to liquid electrolytes, reducing the risk of accidents, especially in high-energy applications like batteries.

2 Enhanced performance: Solid electrolytes can enable higher energy densities, longer cycle life, and improved
efficiency in electrochemical devices such as batteries and fuel cells.
3 Wider temperature range: Solid electrolytes can operate over a broader temperature range compared to
liquid electrolytes, making them suitable for applications in extreme environments.
4 Reduced self-discharge: Solid electrolytes typically have lower rates of self-discharge compared to liquid
electrolytes, leading to improved shelf life and standby performance in batteries.

5 Miniaturization: Solid-state electrolytes allow for more compact and lightweight designs in electronic devices
and energy storage systems, enabling miniaturization and increased portability.
Overall, solidification of electrolytes offers a promising avenue for advancing the performance, safety, and
versatility of various electrochemical technologies.
Introduction of absorbed glass mat (AGM)- vral batteries
AGM: AGM stands for Absorbent Glass Mat, and AGM batteries are a type of lead-acid battery. They use a
fiberglass mat to absorb and hold the electrolyte solution, which makes them spill-proof and maintenance-free.
AGM batteries are known for their high-power density, fast recharge rates, and good resistance to vibration and
shock. They are commonly used in applications such as backup power systems, renewable energy storage, and
in vehicles like motorcycles and boats.
VRAL: A VRLA (valve-regulated lead-acid) battery is a type of rechargeable battery. It is sealed and maintenance-
free, meaning it does not require regular addition of water to the cells. VRLA batteries are commonly used
in applications such as backup power systems, emergency lighting, and renewable energy storage. They are
designed to be non-spill able and operate in any position, making them suitable for a wide range of uses.
AGM battery vs Lead-acid battery
VRLA (Valve-Regulated Lead-Acid) and AGM (Absorbent Glass Mat) batteries are both types of lead-acid batteries
commonly used in various applications, including automotive, marine, and renewable energy systems.
The main difference between VRLA and AGM batteries lies in their construction and design. VRLA batteries are
a broader category that includes both AGM and gel batteries. AGM batteries, on the other hand, use a fiberglass
mat to absorb and hold the electrolyte solution, which allows for a higher efficiency in both discharging and
recharging.
In summary, while VRLA is a broader category that includes AGM and gel batteries, AGM batteries specifically
use a fiberglass mat to hold the electrolyte, providing certain advantages in terms of efficiency and performance.
Uses of AGM Batteries

As widely used SLA batteries, AGM batteries are a sought-after choice for fuel-efficient, high-end vehicles with
large power demands. It is not, therefore, surprising to see AGM as the preferred motorcycle battery for upscale
motorcycles.
Moreover, the higher CCA (cold cranking amp) rating of AGM batteries is responsible for their reliable performance
in cold temperatures and enhances usability for marine (marine battery), motor home, and robotic applications.

194

CITS : Automotive - Mechanic Diesel - Lesson 57 - 61