Robert Boschgmbh

Katherine Harry

Nathan P Craig

John F Christensen

Hany Basam Eitouni

Saravanan Kuppan

Michael Metzger

Jake Christensen

Jeffrey R Long

Sondra L Hellstrom

Abdul-Kader Srouji

Michael Aubrey

Jordan Axelson

David Abram

A solid state electrolyte material including a decontaminated lithium conducting ceramic oxide material including a decontaminated surface thickness. The decontaminated surface thickness is less than or equal to 5 nm. The decontaminated surface thickness may be greater than or equal to 1 nm. The decontaminated lithium conducting ceramic oxide material may be selected from the group consisting of LiLaZrO(LLZO), LiLaTaO(LLTO), LiLaCaTaO(LLCTO), LiLaANbO(A is Ca or Sr), LiAlGe(PO)(LAGP), LiAl(GeTi)(PO)(LAGTP), perovskite LiLaTiO(LLTO), LiLaZr(PO)(LLZP), LiTiAl(PO)(LTAP), LiTiAlSi(PO)(LTASP), LiTiZr(PO)(LTZP), LiNdTeSbOand mixtures thereof.

Solid state electrolyte materials

A method of decontaminating a lithium conducting ceramic oxide material. The method includes soaking the lithium conducting ceramic oxide material having a first thickness of surface contaminants in a first organic solvent containing an inorganic salt at an inorganic salt concentration to obtain a soaked lithium conducting ceramic oxide material. The method further includes rinsing the soaked lithium conducting ceramic oxide material in a second organic solvent to obtain a decontaminated lithium conducting ceramic oxide material having a second thickness of surface contaminants less than the first thickness of surface contaminants.

Lithium conducting ceramic oxide decontamination method

Solid electrolytes have a favorable combination of properties such as high conductivity, high transference number, optimum processability, and low brittleness. A composite electrolyte includes some amount of a class of network polymer electrolytes with high transference number and high room temperature conductivity, and an additional polymeric component to contribute mechanical integrity and/or processability. The solid electrolytes can include a network polymer having linked nodes composed of a tetrahedral arylborate composition and a linear polymer combined with the network polymer as a composite. The solid electrolytes can be used in thin films and in solid-state batteries.

Batteries with polymer electrolyte composites based on tetrahedral arylborate nodes

An electrode configuration for a battery cell includes a positive electrode, a negative electrode, a separator interposed between the positive electrode and the negative electrode, and a low counter-ion permeability layer interposed between the separator and the positive electrode. The separator has a first permeability to counter-ions, which do not participate in the battery electrode reactions, and the low counter-ion permeability layer has a second permeability to the counter-ions that is less than the first permeability. The separator includes a first salt concentration adjacent to the low counter-ion permeability layer and a second salt concentration adjacent to the negative electrode, and the second salt concentration is greater than the first salt concentration.

Battery having a low counter-ion permeability layer

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Oakland, CA, United States of America

Katherine Harry