Systems and methods for sulfur-containing chemicals as cathode additives for silicon-based lithium ion batteries may include a silicon-based anode, an electrolyte, and a cathode. The cathode may include an active material and a sulfur-containing additive. ...

Systems and methods for batteries comprising a cathode, an electrolyte, and an anode, wherein functional aliphatic and/or aromatic amine compounds or derivatives are used as electrolyte additives to reduce gas generation in Li-ion batteries.

Systems and methods are provided for carbon additives for direct coating of silicon-dominant anodes. An example composition for use in directly coated anodes may include a silicon-dominated anode active material, a carbon-based binder, and a carbon-based a...

Methods of forming electrochemical cells are described. In some embodiments, the method can include providing an electrochemical cell having an electrode with at least about 20% to about 99% by weight of silicon. The method can include providing a formatio...

Electrolyte compositions comprising electrolyte additives and/or solvents for reduction of thermal propagation in lithium-ion batteries are disclosed. Energy storage devices comprising the electrolyte compositions comprise a first electrode and a second el...

A method and system for carbon-coated silicon in a pyrolyzed carbon binder electrode on copper current collectors may include providing a metal current collector; forming a non-porous carbon coating on the metal current collector; coating silicon particles...

Systems and methods are provided for managing anisotropic expansion of silicon-dominant anodes. An example battery may include a cathode, an electrolyte, and an anode, with the anode including a current collector and an active material on a surface of the ...

Methods of forming electrochemical cells are described. An electrochemical cell may be provided, with the electrochemical cell including a first electrode and a second electrode, wherein at least the first electrode includes up to about 99% by weight of si...

Systems and methods are provided for silicon with a carbon-based coating for lithium-ion battery electrodes. An example electrode, for use in an electrochemical cell, includes an active material that includes a plurality of silicon particles, with each sil...