Abstract: An electrolyte additive containing a silyl-group compound useful for reducing battery resistance and improving high-temperature performance; an electrolyte containing the silyl-group compound additive; and an electrochemical energy storage device containing the electrolyte are disclosed.

Abstract: An electrolyte containing a DOPO-based molecule; an aprotic organic solvent; and a metal salt and an electrochemical energy storage device containing the electrolyte is disclosed.

Abstract: The present disclosure relates to a phosphorus additive that is useful for stable cycling and storage of lithium ion cells at high temperatures, an electrolyte containing the phosphorus additive, and an electrochemical energy storage device containing the electrolyte.

Abstract: The present disclosure relates to a phosphorus additive that is useful for stable cycling and storage of lithium ion cells at high temperatures, an electrolyte containing the phosphorus additive, and an electrochemical energy storage device containing the electrolyte.

Abstract: A quaternary hexahydrotriazine ionic liquid compound additive useful for reducing battery resistance and improving cycle life stability and high-temperature performance; an electrolyte containing the quaternary hexahydrotriazine ionic liquid compound additive suitable for use in electrochemical energy storage devices; and an electrochemical energy storage device incorporating the electrolyte including the quaternary hexahydrotriazine ionic liquid compound additive are described.

Abstract: Cyclic sulfone organic compounds and an electrolyte containing the cyclic sulfone organic compounds suitable for use in electrochemical energy storage devices useful for reducing battery resistance, increasing cycle life, and improving high-temperature performance are disclosed.

Abstract: Epoxide functionalized organic compounds and an electrolyte containing the epoxide functionalized organic compound additive suitable for use in electrochemical energy storage devices useful for reducing battery resistance, increasing cycle life, and improving high-temperature performance are disclosed.

Abstract: An anode formulation containing a plurality of active Si-composite material particles, a plurality of conductive carbon particles and at least one polymer binder that undergoes a cyclization reaction when heated; an anode formed from the anode formulation; a method of making the anode; and an electrochemical energy storage device including the anode, a cathode and an electrolyte including fluorinated carbonate are disclosed.

Abstract: An anode including a plurality of active material particles, a first polymer binder that undergoes a cyclization reaction when heated and a second polymer binder, wherein the first polymer binder is a different type of polymer binder from the first polymer binder; an electrochemical energy storage device containing the anode; and a method of making the anode are disclosed.

Abstract: A silicon-polymer composite anode having two or more different molecular weight (MW) versions of the same polymer, method of making the anode and electrochemical energy storage device containing the anode are disclosed.

Abstract: Silicon-polymer composite anodes; a method for producing the anodes; and dual salt electrolytes to improve the conductivity, specific capacity, rate capability, and stability of the anodes; suitable for use in electrochemical energy storage devices are disclosed.

Abstract: A method of making anode active material including silicon, elemental sulfur and a polymer material for an electrochemical energy storage device, includes mixing together silicon particles, elemental sulfur, and at least one polymer to form a mixture; coating the mixture onto a copper current collector to form a coated copper current collector; and subjecting the coated copper current collector to a temperature treatment. An electrochemical energy storage device includes the anode active material, cathode and electrolyte.

Abstract: A method utilizing microwave energy to incorporate sulfur onto carbon, prepare cathode material for lithium sulfur battery applications, and the compositions resulting therefrom is disclosed.

Abstract: An electrolyte additive containing a silyl-group compound useful for reducing battery resistance and improving high-temperature performance; an electrolyte containing the silyl-group compound additive; and an electrochemical energy storage device containing the electrolyte are disclosed.

Abstract: A quaternary hexahydrotriazine ionic liquid compound additive useful for reducing battery resistance and improving cycle life stability and high-temperature performance; an electrolyte containing the quaternary hexahydrotriazine ionic liquid compound additive suitable for use in electrochemical energy storage devices; and an electrochemical energy storage device incorporating the electrolyte including the quaternary hexahydrotriazine ionic liquid compound additive are described.

Abstract: The present disclosure relates to a phosphorus additive that is useful for stable cycling and storage of lithium ion cells at high temperatures, an electrolyte containing the phosphorus additive, and an electrochemical energy storage device containing the electrolyte.

Abstract: A bicyclophosphate-modified ionic liquid compound, the synthesis thereof, an electrochemical electrolyte containing a bicyclophosphate-modified ionic liquid compound, and energy storage device containing the electrolyte are disclosed.

Abstract: A solid polymer electrolyte including a cross-linked ionic liquid (IL) matrix having functional group capable of interacting with lithium ions; polymerizable PEM formulations containing polymerizable ionic liquid (IL) materials (monomers) having functional group capable of interacting with lithium ions and a reactive polymerizable functional group capable of crosslinking; electrolytes prepared from a polymerizable formulation including a lithium conducting salt, a plasticizer, a cross-linker, and a polymerizable IL compound that contains at least one functional group capable of interacting with lithium ions and a reactive polymerizable functional group capable of crosslinking; electrochemical cells containing the electrolytes incorporating these solid PEMs containing the polymerized ionic liquid (IL) materials; and methods thereof are disclosed.

Abstract: A method utilizing microwave energy to incorporate sulfur onto carbon, prepare cathode material for lithium sulfur battery applications, and the compositions resulting therefrom is disclosed.

Abstract: The present disclosure is directed to a phosphorus-modified ionic liquid compound, the synthesis thereof and an electrochemical cell electrolyte containing the cyclic phosphorus-modified ionic liquid compound.