Tom Rickey
Phung Le
PNNL Smartphone Microscope
Composite Separators and Redox Flow Batteries Based on Porous Separators
In this disclosure, we report development of porous fluoropolymers/silica composite separators for applications in redox flow batteries. These separators, conprised of a fibril matrix of fluorinated polyolefins and silica particles enmeshed therein, were prepared by shear-blending the silica particles and the aqueous dispersion of fluoropolymers, followed by calendering the resulting admixture into flat sheets. Flow batteries using these separators demonstrated high energy density and high efficiencies. These separators combine the advantages of exceptional chemical stability and significantly low cost of fluorinated polyolefins. Therefore, these separators have shown great potential to reduce the capital cost of redox flow batteries and promote their commercialization.
Lithium Ion Batteries with Titania/AnGraphene Anodes
The invention report discloses nanostructured composites intended for energy storage applications, e.g. Li-ion batteries, and the method of producing the composites. The materials concept and approach have been successfully reduced recently into practice. The nano-composites are made from a semi-conductive, electrochemically active phase and a highly electron conductive minor phase, in particular graphene that electrically interconnects the active phase in three dimensions, only with a very small amount (~1%). One step, scalable approach was conceived and successfully used to fabricate the nanocomposites. The synthesized composites as electrodes of Li-ion batteries demonstrated significantly improved electrochemical performance, in particular in the power and energy. Thus the nanocomposites are promising electrode materials in high energy/power batteries for applications, such as plug in hybrid electrical vehicles.
Nanocomposite of Graphene and Metal Oxide Materials
The invention report discloses nanostructured composites intended for energy storage applications, e.g. Li-ion batteries, and the method of producing the composites. The materials concept and approach have been successfully reduced recently into practice. The nano-composites are made from a semi-conductive, electrochemically active phase and a highly electron conductive minor phase, in particular graphene that electrically interconnects the active phase in three dimensions, only with a very small amount (~1%). One step, scalable approach was conceived and successfully used to fabricate the nanocomposites. The synthesized composites as electrodes of Li-ion batteries demonstrated significantly improved electrochemical performance, in particular in the power and energy. Thus the nanocomposites are promising electrode materials in high energy/power batteries for applications, such as plug in hybrid electrical vehicles.
Nanocomposite of Graphene and Metal Oxide Materials
The invention report discloses nanostructured composites intended for energy storage applications, e.g. Li-ion batteries, and the method of producing the composites. The materials concept and approach have been successfully reduced recently into practice. The nano-composites are made from a semi-conductive, electrochemically active phase and a highly electron conductive minor phase, in particular graphene that electrically interconnects the active phase in three dimensions, only with a very small amount (~1%). One step, scalable approach was conceived and successfully used to fabricate the nanocomposites. The synthesized composites as electrodes of Li-ion batteries demonstrated significantly improved electrochemical performance, in particular in the power and energy. Thus the nanocomposites are promising electrode materials in high energy/power batteries for applications, such as plug in hybrid electrical vehicles.
Vincent Sprenkle
Vince Sprenkle is a recognized leader in the fields of electrochemical energy conversion and storage. These technologies help make the electric grid more reliable by enabling the deployment of highly efficient, distributed energy resources.