New Horizons for Conventional Lithium Ion Battery Technology

Area of Science:

• Materials Science
• Electrochemistry
• Energy Storage

Background:

• Secondary lithium ion battery technology has advanced over four decades, enabling the mobile electronics industry.
• Current lithium ion batteries offer limited driving range (100-150 km), necessitating substantial improvements for electric vehicle (EV) market parity with internal combustion engines (>500 km range).

Purpose of the Study:

• To explore advanced materials and research directions for enhancing lithium ion battery energy density.
• To define realistic future prospects for next-generation lithium ion batteries.
• To assess the potential of lithium ion batteries in fully electric vehicles and hybrid systems.

Main Methods:

• Focus on lithium intercalation and lithium alloying electrode materials.
• Review of current advancements and future trends in lithium ion battery technology.

Main Results:

• Significant (approximately 5-fold) increases in energy density are required for lithium ion batteries to match internal combustion engine vehicle range.
• Lithium ion batteries are unlikely to fully replace internal combustion engines in EVs based on projected improvements.
• High-performance lithium ion batteries can be effectively utilized in conjunction with range extenders for EVs.

Conclusions:

• Future lithium ion batteries will likely incorporate advanced intercalation and alloying electrodes.
• Hybrid EV systems combining lithium ion batteries with range extenders represent a viable path for broader EV adoption.
• Realistic energy density targets and application scopes are crucial for the continued development of lithium ion battery technology.