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Hybrid Supercapacitor and Battery System

Technology Benefits: Battery-level energy density with capacitor-level durability and power density Non-flammable Low-cost, abundant organic materials Aqueous electrolyte with high cell voltage Constant power output (flat voltage plateau)

Technology Application: Renewable grids, grid services, micro grids Electric cars/buses, engine start-stop, regenerative braking Electric forklifts, energy recovery, heavy equipment

Detailed Technology Description: Researchers at the University of California, Santa Barbara have created a hybrid device that combines the advantages of both batteries and supercapacitors. This device offers high performance in a small package, with 2-3 times the energy density of supercapacitors and 3-4 times the power density of batteries. It has an increased stability and a decreased weight improving the life cycle to about 10-15 years. This technology offers the first supercapacitor/battery hybrid system delivering higher power and a longer lifetime at lower cost.

Application No.: 9728344

Others

Background

Supercapacitors and batteries are the two leading forms of electrochemical energy storage. Both have unique advantages and can be applied to various applications. Supercapacitors can be charged quickly resulting in very high power density and can cycle hundreds of thousands of times with lifetimes measured in decades. However, these devices suffer from low energy density meaning their charge doesn’t last as long when compared to a battery. On the other hand, batteries can maintain a longer charge but have a lower power output and lose their ability to retain energy over a lifetime of several years due to material damage. While supercapacitors and batteries have traditionally been viewed as two different options in terms of energy storage, there would be an advantage to combining the two and creating a superior and improved option.

Additional Technologies by these Inventors

Tech ID/UC Case

24607/2014-716-0

Related Cases

2014-716-0

*Abstract: Researchers at the University of California, Santa Barbara have created a hybrid device that combines the advantages of both batteries and supercapacitors.

*IP Issue Date: Aug 8, 2017

*Principal Investigator: Name: Shannon Boettcher
Department:

Name: Sangeun Chun
Department:

Name: Brian Evanko
Department:

Name: Bao Wang
Department:

Name: Xiulei Ji
Department:

Name: Galen Stucky
Department:

Name: David Auston
Department:

Name: Raghu Subash Chandrabose
Department:

Name: Nicholas Parker
Department:

Name: David Vonlanthen
Department:

Name: Xingfeng Wang
Department:

Name: Seung Joon Yoo
Department:

Name: Jason Lipton
Department:

Country/Region: USA

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