Lithium-Ion Batteries with High Capacity at Low Temperatures

Background

Lithium-ion (Li-ion) batteries are critical across many sectors, from consumer electronics to transportation and renewable energy storage. However, current Li-ion batteries face limitations such as energy density, cost, and safety concerns. These limitations hinder their applications. Addressing these challenges can lead to enhanced applications and efficiency.

Technology Overview

This invention from the University of Nevada, Reno revolves around a low temperature functioning battery developed through using a specific composition of a low temperature electrolyte system and a modified silicon electrode. This design facilitates:

• Function in extremely cold temperature ranges (-20°C and -30°C)
• Maintain high discharge capacity at low temperatures
• Deliver 1,250 mAh/g after 100 cycles at -20°C
• Use simple fabrication and straightforward means of enhancing electrode performance

Benefits

• Higher capacity at lower temperatures means higher range for EVs during winter months
• Energy storage solution for satellite and space applications

Applications

• Electric Vehicles/space applications: Increasing demand for higher capacity electrodes driven by the rising adoption of electric vehicles and the need for advanced batteries in space applications
• Design optimization: The design of low-temperature lithium-ion batteries guarantees the performance and cyclability of the battery
• Medical Devices: Medical devices used in cold environments, such as portable diagnostic equipment in field hospitals or remote healthcare facilities
• Energy Storage in Cold Regions: Renewable energy systems in cold regions, such as solar panels and wind turbines, require energy storage solutions that can operate efficiently in low temperatures

Opportunity

The technology is available for licensing. The University of Nevada, Reno is seeking parties interested in collaborating to further develop, evaluate, or commercialize this technology.