Robert Boschgmbh

Thomas Eckl

Anika Marusczyk

Malte Rolff

Mathias Widmaier

Severin Hahn

Elisabeth Buehler

Ingo Kerkamm

Bernd Schumann

Christine Engel

Pallavi Verma

Joerg Ziegler

A positive active material for a positive electrode of a battery cell which includes a first component containing a compound of general formula: LiNaMMO, where Mand Mare different from one another and stand for transition metal ions, 0&#x3c;y&#x3c;1, and 0&#x2264;z&#x3c;2, with the condition that the compound is essentially free of manganese ions. Moreover, a positive electrode of a battery cell which includes the positive material, and a battery cell which includes at least one positive electrode, are also described.

Active material for a positive electrode of a battery cell, positive electrode, and battery cell

A positive active material for a positive electrode of a battery cell which includes a first component containing LiMnO. The first component includes a doping with nitrogen ions Nwhich replace a portion of the oxygen ions Oof component. A positive electrode of a battery cell which includes a positive material, and a battery cell which includes at least one positive electrode, are also described.

A positive active material for a positive electrode of a battery cell which includes a first component containing LiMnO, at least a portion of the manganese ions having been replaced by platinum ions and/or chromium ions. A positive electrode of a battery cell which includes a positive material, and a battery cell which includes at least one positive electrode are also described.

A cathode active material for a battery cell is described. A protective layer is at least partially applied to the cathode active material, and the protective layer is made of a lithium ion-conducting solid electrolyte layer.

Coated cathode active material for a battery cell

An electrode, in particular, a cathode, for an electrochemical energy store, in particular, for a lithium cell, including particles having one first lithiatable active material, which is based on a transition metal oxide, wherein the particles or a base body including the particles is/are provided with at least one functional layer, which is lithium ion-conductive and includes at least one redox-active element. An energy store including such an electrode, and a method for manufacturing such an electrode, are also described.

Electrode for a lithium cell

An aqueous electrolyte for a capacitor contains at least one transition metal complex. An aqueous electrolyte containing at least one transition metal complex can be used in a supercapacitor, in a pseudocapacitor, or in a hybrid supercapacitor. A hybrid supercapacitor contains an aqueous electrolyte, which contains at least one transition metal complex.

Aqueous electrolyte, use of the electrolyte and hybrid supercapacitor containing the electrolyte

A hybrid supercapacitor, including at least one negative electrode that includes a statically capacitive active material, an electrochemical redox active material, or a mixture thereof, at least one positive electrode that includes a statically capacitive active material, an electrochemical redox active material, or a mixture thereof, at least one separator that is situated between the at least one negative electrode and the at least one positive electrode, and an electrolyte composition, with the condition that at least one electrode includes a statically capacitive active material, and at least one electrode includes an electrochemical redox active material, the electrolyte composition being a liquid electrolyte composition and including at least one liquid, aprotic, organic solvent, at least one conducting salt, and at least one additive.

Hybrid supercapacitor, including an electrolyte composition, having improved conductivity

A hybrid supercapacitor, including at least one negative electrode having a statically capacitive active material, an electrochemical redox-active material, or a mixture of them; at least one positive electrode having a statically capacitive active material, an electrochemical redox-active material, or a mixture of them; at least one separator situated between the at least one negative electrode and the at least one positive electrode; and an electrolyte mixture; with the provision that at least one electrode includes a statically capacitive active material, and at least one electrode includes an electrochemical, redox-active material; the electrolyte mixture being a liquid electrolyte mixture and including at least one liquid, aprotic, organic solvent, at least one conducting salt, and at least one at least partially halogenated, aromatic compound.

Electrolyte additive for hybrid supercapacitors to reduce charge transfer resistance, and hybrid supercapacitor including the same

An active material for a cathode of a battery cell which includes a first component containing LiMnO. The first component has been doped with a dopant containing a fluoride of a transition metal. Moreover, a cathode of a battery cell which includes an active material, and a battery cell which includes at least one cathode, are provided.

Active material for a cathode of a battery cell, cathode, and battery cell

An electrode material for an electrochemical energy store, in particular for a lithium cell, includes at least one first lithiatable active material, which is based on a transition metal oxide, and at least one second lithiatable active material, which is based on a doped transition metal oxide, the doped transition metal oxide of the second lithiatable active material being doped with at least one redox-active element. Also described is a method for manufacturing an electrode of this type.

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Leonberg, Germany

Thomas Eckl