Dyson Technology Limited

Niccolo Guerrini

Matthew Robert Roberts

Peter George Bruce

Kun Luo

Rong Hao

Juliette Marie Billaud Ep Bouville

Francis Gachau Kinyanjui

A cathode composition for a lithium-ion cell or battery of the general formula: LiMnO, wherein the composition is in the form of a single phase having a rock salt crystal structure such that an x-ray diffraction pattern of the composition has an absence of peaks below a 20 value of 35; and the value of x is greater than 0, and equal to or less than 0.3. The compound is also formulated into a positive electrode, or cathode, for use in an electrochemical cell.

LMO cathode composition

A cathode composition for a lithium-ion cell or battery of the general formula: LiMnO, wherein the composition is in the form of a single phase having a rock salt crystal structure; and the value of x is greater than 0, and equal to or less than 0.3. The compound is also formulated into a positive electrode, or cathode, for use in an electrochemical cell.

LMO cathode compositions

A compound of the general formula: wherein x is equal to or greater than 0.175 and equal to or less than 0.325 and y is equal to or greater than 0.05 and equal to or less than 0.35. In another embodiment, x is equal to zero and y is greater than 0.12 and equal to or less than 0.4. The compound is also formulated into a positive electrode for use in an electrochemical cell.

Lithium, nickel, cobalt, manganese oxide compound and electrode comprising the same

Use of nickel in a cathode material of the general formula Li (4/3-2x/3-y/3-z/3)NiCoAlMn(2/3-/3-2/3-2/3)0wherein x is greater than 0.06 and equal to or less than 0.4; y is equal to or greater than 0 and equal to or less than 0.4; and z is equal to or greater than 0 and equal to or less than 0.05 for suppressing gas evolution during a charge cycle and/or increasing the charge capacity of the material.

Use of nickel in a lithium rich cathode material for suppressing gas evolution from the cathode material during a charge cycle and for increasing the charge capacity of the cathode material

A compound of the general formula: (i) wherein x has a value greater than 0.06 and equal to or less than 0.4. The compound is also formulated into a positive electrode for use in an electrochemical cell.

Growing community of inventors

Oxford, United Kingdom

Niccolo Guerrini