Abstract: An electrochemical cell is provided. The electrochemical cell includes a positive electrode including a first lithium metal-based material, the first lithium metal-based material including one or more transition metal ions, and wherein the positive electrode has an operating voltage of 4.5 volts versus lithium metal potential or greater. The electrochemical cell also includes an electrolyte formed from ingredients comprising a solvent and lithium salt. The solvent includes at least one carbonic ester. The electrochemical cell further includes a negative electrode including a second lithium metal-based material, the second lithium metal-based material including one or more transition metal ions.

Abstract: The present disclosure relates to a dual energy storage system that includes a lithium ion battery electrically coupled in parallel with a lead acid battery, where the lithium ion battery and the lead-acid battery are electrically coupled to a vehicle bus, where the lithium ion battery open circuit voltage (OCV) partially matches the lead-acid battery OCV such that the lead-acid battery OCV at 100% of the lead-acid battery state of charge (SOC) is about equal to the lithium ion battery OCV at 50% of the lithium ion battery SOC.

Abstract: Present embodiments include a lithium ion battery module and associated lithium ion battery cells. The lithium ion battery cells include a prismatic cell casing enclosing electrochemically active components. The cell thickness, the cell width, the cell length, and the electrochemically active components are such that the lithium ion battery cell has a volumetric energy density between 82 Watt-hours per Liter (Wh/L) and 153 Wh/L, and has a nominal voltage between 2.0 V and 4.2 V.

Abstract: An electrochemical cell is provided. The electrochemical cell includes a positive electrode including a first lithium metal-based material, the first lithium metal-based material including one or more transition metal ions, and wherein the positive electrode has an operating voltage of 4.5 volts versus lithium metal potential or greater. The electrochemical cell also includes an electrolyte formed from ingredients comprising a solvent and lithium salt. The solvent includes at least one carbonic ester. The electrochemical cell further includes a negative electrode including a second lithium metal-based material, the second lithium metal-based material including one or more transition metal ions.

Abstract: The present disclosure relates to a dual energy storage system that includes a lithium ion battery electrically coupled in parallel with a lead acid battery, where the lithium ion battery and the lead-acid battery are electrically coupled to a vehicle bus, where the lithium ion battery open circuit voltage (OCV) partially matches the lead-acid battery OCV such that the lead-acid battery OCV at 100% of the lead-acid battery state of charge (SOC) is about equal to the lithium ion battery OCV at 50% of the lithium ion battery SOC.

Abstract: The present disclosure relates to a dual energy storage system that includes a lithium ion battery electrically coupled in parallel with a lead acid battery, where the lithium ion battery and the lead-acid battery are electrically coupled to a vehicle bus, where the lithium ion battery open circuit voltage (OCV) partially matches the lead-acid battery OCV such that the lead-acid battery OCV at 100% of the lead-acid battery state of charge (SOC) is about equal to the lithium ion battery OCV at 50% of the lithium ion battery SOC.

Abstract: A battery module includes a housing. The battery module also includes a cell stack disposed in the housing and including a battery cell. The battery module also includes a force gauge in mechanical communication with the cell stack and configured to measure a force generated by a swelling of the cell stack. The battery module also includes a control module configured to receive data indicative of the force and to estimate a remaining usable life of the battery module based on the data.

Abstract: The present disclosure includes a lithium-ion battery module that has a housing and a plurality of lithium-ion battery cells disposed in the housing. Each of the plurality of lithium-ion battery cells includes a first terminal with a first polarity, a second terminal with a second polarity opposite to the first polarity, an overcharge protection assembly, and a casing electrically coupled to the first terminal such that the casing has the first polarity, where the casing has an electrically conductive material. The lithium-ion battery module also includes a vent of the overcharge protection assembly electrically coupled to the casing and a conductive component of the overcharge protection assembly electrically coupled to the second terminal, and the vent is configured to contact the conductive component to cause a short circuit and to vent a gas from the casing into the housing when a pressure in the casing reaches a threshold value.

Abstract: The present disclosure includes a battery module having a plurality of battery cells disposed in a housing. Each of the plurality of battery cells has a positive terminal, a negative terminal, an overcharge protection assembly, and a casing having an electrically conductive material. The overcharge protection assembly includes a vent, a first spring component, a second spring component, and an insulative component. The first spring component is coupled to the positive terminal, the second spring component is coupled to the negative terminal, the insulative component is between the first spring component and a conductive piece and between the second spring component and the conductive piece, and the vent is configured to drive the insulative component from between the first and second spring components and the conductive piece, such that the first and second spring components contact the conductive piece, when a pressure in the casing exceeds a threshold.

Abstract: The present disclosure relates to a dual energy storage system that includes a lithium ion battery electrically coupled in parallel with a lead acid battery, where the lithium ion battery and the lead-acid battery are electrically coupled to a vehicle bus, where the lithium ion battery open circuit voltage (OCV) partially matches the lead-acid battery OCV such that the lead-acid battery OCV at 100% of the lead-acid battery state of charge (SOC) is about equal to the lithium ion battery OCV at 50% of the lithium ion battery SOC.

Abstract: The present disclosure includes a lithium-ion battery module that has a housing and a plurality of lithium-ion battery cells disposed in the housing. Each of the plurality of lithium-ion battery cells includes a first terminal with a first polarity, a second terminal with a second polarity opposite to the first polarity, an overcharge protection assembly, and a casing electrically coupled to the first terminal such that the casing has the first polarity, where the casing has an electrically conductive material. The lithium-ion battery module also includes a vent of the overcharge protection assembly electrically coupled to the casing and a conductive component of the overcharge protection assembly electrically coupled to the second terminal, and the vent is configured to contact the conductive component to cause a short circuit and to vent a gas from the casing into the housing when a pressure in the casing reaches a threshold value.

Abstract: The present disclosure includes a battery module having a plurality of battery cells disposed in a housing. Each of the plurality of battery cells has a positive terminal, a negative terminal, an overcharge protection assembly, and a casing having an electrically conductive material. The overcharge protection assembly includes a vent, a first spring component, a second spring component, and an insulative component. The first spring component is coupled to the positive terminal, the second spring component is coupled to the negative terminal, the insulative component is between the first spring component and a conductive piece and between the second spring component and the conductive piece, and the vent is configured to drive the insulative component from between the first and second spring components and the conductive piece, such that the first and second spring components contact the conductive piece, when a pressure in the casing exceeds a threshold.

Abstract: A lithium-ion battery module has a housing and a plurality of lithium-ion battery cells disposed in the housing. Each of the plurality of lithium-ion battery cells includes a first terminal with a first polarity, a second terminal with a second polarity opposite to the first polarity, an overcharge protection assembly, and a casing electrically coupled to the first terminal such that the casing has the first polarity, where the casing has an electrically conductive material. The lithium-ion battery module also includes a vent of the overcharge protection assembly electrically coupled to the casing and a conductive component of the overcharge protection assembly electrically coupled to the second terminal, and the vent is configured to contact the conductive component to cause a short circuit and to vent a gas from the casing into the housing when a pressure in the casing reaches a threshold value.

Abstract: Provided herein is an electrode active material comprising a lithium metal oxide and an overcharge protection additive having an operating voltage higher than the operating voltage of the lithium metal oxide.

Abstract: The present disclosure includes a battery module having a plurality of battery cells disposed in a housing. Each of the plurality of battery cells has a positive terminal, a negative terminal, an overcharge protection assembly, and a casing having an electrically conductive material. The overcharge protection assembly includes a vent, a first spring component, a second spring component, and an insulative component. The first spring component is coupled to the positive terminal, the second spring component is coupled to the negative terminal, the insulative component is between the first spring component and a conductive piece and between the second spring component and the conductive piece, and the vent is configured to drive the insulative component from between the first and second spring components and the conductive piece, such that the first and second spring components contact the conductive piece, when a pressure in the casing exceeds a threshold.

Abstract: A method of manufacturing a battery cathode includes forming a mixture having a lithium metal oxide and an overcharge protection additive, the overcharge protection additive having an operating voltage higher than an operating voltage of the lithium metal oxide. The lithium metal oxide is provided in an amount sufficient to provide a desired operating capacity for a lithium ion battery cell, and the overcharge protection additive has a higher operating voltage than the lithium metal oxide such that the overcharge protection additive can undergo reversible lithium removal during overcharging of the lithium ion battery cell. The method also includes contacting the mixture with a current collector.

Abstract: In an embodiment, a system includes a battery management unit (BMU) coupled to a battery pack of an xEV. Further, the BMU is configured to determine an energy remaining value for the battery pack based, at least in part, on a minimum cell temperature and a minimum cell state of charge percentage (SOC %) determined by the BMU for the battery pack.

Abstract: Present embodiments include a lithium ion battery module and associated lithium ion battery cells. The lithium ion battery cells include a prismatic cell casing enclosing electrochemically active components. The cell thickness, the cell width, the cell length, and the electrochemically active components are such that the lithium ion battery cell has a volumetric energy density between 82 Watt-hours per Liter (Wh/L) and 153 Wh/L, and has a nominal voltage between 2.0 V and 4.2 V.

Abstract: The present disclosure includes a battery module having a plurality of battery cells disposed in a housing. Each of the plurality of battery cells has a positive terminal, a negative terminal, an overcharge protection assembly, and a casing having an electrically conductive material. The overcharge protection assembly includes a vent, a first spring component, a second spring component, and an insulative component. The first spring component is coupled to the positive terminal, the second spring component is coupled to the negative terminal, the insulative component is between the first spring component and a conductive piece and between the second spring component and the conductive piece, and the vent is configured to drive the insulative component from between the first and second spring components and the conductive piece, such that the first and second spring components contact the conductive piece, when a pressure in the casing exceeds a threshold.

Abstract: The present disclosure includes a lithium-ion battery module that has a housing and a plurality of lithium-ion battery cells disposed in the housing. Each of the plurality of lithium-ion battery cells includes a first terminal with a first polarity, a second terminal with a second polarity opposite to the first polarity, an overcharge protection assembly, and a casing electrically coupled to the first terminal such that the casing has the first polarity, where the casing has an electrically conductive material. The lithium-ion battery module also includes a vent of the overcharge protection assembly electrically coupled to the casing and a conductive component of the overcharge protection assembly electrically coupled to the second terminal, and the vent is configured to contact the conductive component to cause a short circuit and to vent a gas from the casing into the housing when a pressure in the casing reaches a threshold value.