The Solid State Lithium Metal Battery (SSLMB)
Recently there has been a breakthrough in battery technology in the form of solid state lithium-metal batteries (SSLMB).
- Fox Wagon has set a target of producing solid state batteries by the year 2025. This goal will be achieved in partnership with Quantum Scape. A solid-state battery replaces the polymer separator with a solid-state separator. The polymer separator is used in conventional lithium-ion batteries.
- Lithium-ion batteries use an electrolyte solution to separate the anode and cathode. Anodes are generally negative electrodes made of graphite and cathodes are positive electrodes made of lithium.
- On the other hand, solid state batteries use solid electrolytes. It also performs the role of electrolyte separator.
- The replacement of the separator enables the use of a lithium-metal anode instead of a carbon or silicon anode. Carbon or silicon anodes are used in conventional lithium-ion batteries.
- Lithium metal anodes are more energy intensive than conventional anodes. This allows the battery to store more energy in the same amount.
Benefits of SSLMB
- High cell energy density (by eliminating the carbon anode).
- Ability to extend shorter charging times and longer charging times. Thus able to provide long usage period.
- Better security.
India’s efforts in battery technology
- Advanced Chemistry Cell: ACC Proposal for Battery Storage Fabrication
- Project for a grid-scale battery storage system to balance the uncertainties of renewable energy generation.
- Reliance Industries plans to set up an energy storage Giga factory.
Source – The Hindu
