Conventional, Contemporary and Emerging Battery Storage Technologies

CONVENTIONAL, CONTEMPORARY AND EMERGING BATTERY STORAGE TECHNOLOGIES

Conventional storage batteries

Conventional storage batteries, dominated by lithium‒ion (Li‒ion) batteries, are currently the standard for most energy storage applications.

Contemporary storage batteries

Contemporary advancement in contemporary storage includes more efficient Li‒ion chemistries and the growing role of flow batteries for large‒scale applications.

Emerging storage battery technologies

Emerging technologies focus on improving performance and sustainability such as

(i) Solid‒state batteries for improved safety and energy density.

(ii) Sodium‒ion batteries for cost and resource benefits.

(iii) Lithium‒sulphur (Li‒S) batteries for high energy (Li‒S) batteries for densities.

1. Conventional storage batteries

1. Lead‒acid batteries

Lead acid batteries are historically important. But, they are largely being replaced by newer technologies for grid scale storage.

2. Lithium‒ion (Li‒ion) batteries

Lithium‒ion batteries are the most common and dominant technology batteries. These are used in everything from electric vehicles to grid‒scale storage systems due to their high energy density and efficiency.

2. Contemporary storage batteries

1. Advanced Lithium‒ion batteries

More efforts are taken on enhancing current Li‒ion technology through new materials and designs to achieve higher energy densities, faster charging and longer cycle lives.

2. Battery energy storage systems (BESS)

BESS are large‒scale systems, often incorporating advanced Li‒ion batteries, designed to store energy for various applications, including renewable energy integration and grid stabilization.

3. Emerging storage batteries

1. Solid‒state batteries

Solid‒state batteries replace the liquid electrolyte, in Li‒ion batteries, with a solid electrolyte. These batteries offer potentially higher energy density, improved safety by eliminating flammable liquid and longer life‒cycle.

2. Sodium‒ion (Na‒ion) batteries

Though currently lagging in energy density compared to Li‒ion batteries, a promising alternative for Li‒ion batteries are Na‒ion batteries. It uses abundant and in expensive sodium instead of lithium.

3. Lithium‒sulphur (Li‒S) batteries

Lithium‒sulphur batteries offer higher energy density than Li‒ion batteries, using cost effective sulphur. But research is going on in improving life‒cycle and stability.

4. Flow batteries

Flow batteries store energy in external liquid electrolytes, offering scalability for large‒scale storage. These are more complex and expensive than traditional batteries.