Robert Boschgmbh

University of California

Ahmed, Jasim

Lohmann, Timm

Christensen, John F.

Albertus, Paul

Kojic, Alesander

Kozinsky, Boris

Chaturvedi, Nalin

Sanchez-carrera, Roel S.

Sanchez-carrera, Roel

Albertus, Paul S.

Paul Albertus

John F Christensen

Boris Kozinsky

Timm Lohmann

Roel S Sanchez-Carrera

Aleksandar Kojic

Nalin Chaturvedi

Christina Johnston

Edward Knudsen

Jasim Ahmed

Nikhil Ravi

Michael C Tucker

Adam Z Weber

Kyu Taek Cho

Jens Grimminger

Sarah Stewart

Aleksander Kojic

Timm Lohman

Venkatasubramanian Viswanathan

Alesander Kojic

Boris Konzinsky

Roel Sanchez-Carrera

A flow battery system includes a first tank including a hydrogen reactant, a second tank including a bromine electrolyte, and at least one cell including a first electrolyte side operably connected to the first tank and a second electrolyte side operably connected to the second tank. The battery system further includes a direct connection line directly connecting the first tank and the second tank and configured such that the hydrogen reactant passes between the first tank and the second tank.

Hydrogen/bromine flow battery in which hydrogen is freely exchanged between two cell compartments

An electrochemical cell in one embodiment includes an anode including a form of lithium, a cathode, and a composite electrolyte structure positioned between the anode and the cathode, the composite electrolyte structure configured to conduct lithium ions while being electronically insulating, and exhibiting a high polarizability of localized charges.

Hybrid ionic electronic energy storage device

A flow battery system and method of operating the system minimizes performance losses. The flow battery system includes at least one cell, a first tank including a liquid electrolyte, a pump operably connected to the first tank and to the at least one cell, and a second electrolyte tank operably connected to the at least one cell. The flow battery system further includes a memory including program instructions stored therein, at least one sensor configured to a generate at least one signal associated with a sensed condition of the battery system, and a controller operably connected to the at least one sensor, the pump, and the memory and configured to execute the program instructions to determine a dead zone condition exists based upon the at least one signal, and control the pump to pulse flow of the liquid electrolyte to the at least one cell based upon the determination.

System and method for minimizing transport related performance losses in a flow battery system

A flow battery system includes a first tank having a hydrogen reactant, a second tank having a bromine electrolyte, at least one cell including a hydrogen reactant side operably connected to the first tank through an &#xbe; feed and return system and a bromine electrolyte side operably connected to the second tank, and a crossover return system. The crossover return system includes a vessel operably connected to the &#xbe; feed and return system and configured to receive an effluent containing a first portion of the hydrogen reactant and a second portion of the bromine electrolyte, the vessel configured to separate the first portion from the second portion. A first return line returns the first portion of the hydrogen reactant to the first tank and a second return line returns the bromine electrolyte to the second tank.

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An electrochemical cell includes an anode including a form of lithium metal, an OHexchange membrane, a precipitate reservoir in fluid communication with the anode and the OHexchange membrane, an Oevolution electrode associated with the precipitate reservoir, and a fluid reservoir in fluid communication with the precipitate reservoir, wherein the fluid reservoir includes form of water when the electrochemical cell is fully charged.

In accordance with one embodiment an electrochemical cell system includes a housing, at least one electrochemical cell within the housing and including an anode including a form of lithium, and an ionic liquid electrolyte within a cathode, the cathode separated from the anode by a solid separator impervious to the ionic liquid electrolyte, a temperature sensor within the housing, and an environmental controller at least partially positioned within the housing and configured to maintain a temperature within the housing at least 50&#xb0; C. above ambient based upon input from the temperature sensor.

Elevated temperature Li/metal battery system

An electrochemical cell in one embodiment includes a first negative electrode including a form of lithium, a positive electrode, and a first separator positioned between the first negative electrode and the positive electrode, wherein the positive electrode includes a plurality of coated small grains of LiS.

Lithium sulfur cell and preparation method

An electrochemical cell in one embodiment includes a first electrode, and a second electrode spaced apart from the first electrode, the second electrode including a substrate of active material, a form of lithium, and a solvent or electrolyte having an electrophilicity index value of less than or equal to 1.1 eV.

Stable electrolyte materials for Li-air battery systems

An electrochemical cell in one embodiment includes a negative electrode, a positive electrode spaced apart from the negative electrode, a separator positioned between the negative electrode and the positive electrode; and an active material particle within the positive electrode, the active material particle including an outer shell defining a core with a substantially constant volume and including a form of oxygen, the outer shell substantially impervious to oxygen and pervious to lithium.

Metal/oxygen battery with internal oxygen reservoir

In one embodiment, an electrochemical cell includes an anode including form of lithium, a cathode spaced apart from the anode, and a microstructured composite separator positioned between the anode and the cathode, the microstructured composite separator including a first layer adjacent the anode, a second layer positioned between the first layer and the cathode, and a plurality of solid electrolyte components extending from the first layer toward the second layer.

Li/metal battery with microstructured solid electrolyte

In one embodiment, a metal/oxygen battery with an oxygen management system includes a negative electrode, a positive electrode, a separator positioned between the negative electrode and the positive electrode, a first oxygenated gas supply reservoir, a compressor with an outlet fluidly coupled to the first oxygenated gas supply reservoir, and a valve and pressure regulator fluidly coupled to the first oxygenated gas supply reservoir and to the positive electrode and configured to place the first oxygenated gas supply reservoir in fluid communication with the positive electrode during a discharge cycle, and place the positive electrode in fluid communication with an inlet of the compressor during a charge cycle.

Metal/oxygen battery with an oxygen supply system

An electrochemical battery system in one embodiment includes a first electrochemical cell including an anode with a form of lithium, a first plurality of pressure sensors positioned and configured to sense localized variations in pressure along the anode, a memory in which command instructions are stored, and a processor configured to execute the command instructions to (i) identify an indication of a variation in localized pressure along the anode, and (ii) selectively control the first electrochemical cell based upon the identified indication.

Li/metal battery with shape change control

An electrochemical cell in one embodiment includes an anode including a form of lithium, a cathode including an active material which intercalates lithium, and a separator positioned between the anode and the cathode, the separator including a first structured surface portion positioned in opposition to the anode, the first structured surface portion having a non-planar profile in aggregate.

Li/metal cell with structured surface separator

In one embodiment, an electrochemical cell includes a negative electrode including a form of lithium, a positive electrode spaced apart from the negative electrode and including an electron conducting matrix, a current collector, and a conductor, the conductor having a potential controllable with respect to the collector potential, a separator positioned between the negative electrode and the positive electrode, an electrolyte including a salt, and a charging redox couple located within the positive electrode, wherein the electrochemical cell is characterized by the transfer of electrons from a discharge product located in the positive electrode to the electron conducting matrix by the charging redox couple during a charge cycle.

Metal/oxygen battery with a clean surface for oxidizing redox additives

A hydrogen/bromine reduction-oxidation flow battery system includes a bromine electrode, a hydrogen electrode, a membrane, a first catalyst, and a second catalyst. The membrane is positioned between the bromine electrode and the hydrogen electrode. The first catalyst is associated with the bromine electrode. The second catalyst is associated with the hydrogen electrode and at least partially formed from a subsurface alloy configured (i) to promote facile dissociation of H, and (ii) to prevent bromide from adsorbing onto the hydrogen electrode.

Growing community of inventors

Mountain View, CA, United States of America

Paul Albertus