# US 10,320,207 B2 · Systems and methods for intelligently charging battery cells > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 10,320,207 B2 - Document ID: US10320207B2 - Status: Granted - Kind: B2 - Application number: 15/632,232 - Filed: 2017-06-23 - Published: 2018-05-10 - Granted: 2019-06-11 - Earliest claimed: 2016-06-23 - Assignees: Faraday & Future Inc. - Applicants: Faraday&Future Inc. - Inventors: Phillip John Weicker; Omourtag Alexandrov Velev; Anil Paryani - Web page: https://patentgrep.com/patent/US10320207B2 ## CPC - H02J 7/14: for charging batteries from dynamo-electric generators driven at varying speed, e.g. on vehicle - B60L 58/15: Preventing overcharging - H02J 7/61: against overcharge - H02J 7/64: against overvoltage - H02J 7/50: acting upon multiple batteries simultaneously or sequentially - H02J 2105/37: exchanging power with electric vehicles [EV] or with hybrid electric vehicles [HEV] - Y02T 10/70: Energy storage systems for electromobility, e.g. batteries - H02J: ELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY - B60L: PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES (arrangements or mounting of electrical propulsion units or of plural diverse prime-movers for mutual or common propulsion in vehicles B60K1/00, B60K6/20; arrangements or mounting of electrical gearing in vehicles B60K17/12, B60K17/14; preventing wheel slip by reducing power in rail vehicles B61C15/08; dynamo-electric machines H02K; control or regulation of electric motors H02P); SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES (electric coupling devices combined with mechanical couplings of vehicles B60D1/64; electric heating for vehicles B60H1/00); ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL (control or regulation of electric motors H02P); MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES - Y02T: CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION ## Abstract A battery management system (BMS) connected to a battery is disclosed. The battery management system includes a battery status component configured to detect one or more parameters of the battery; a timer component configured to compute an amount of time needed to recharge the battery based on one or more of the parameters of the battery; and a scheme initiation component configured to determine an optimal time to begin charging based on the amount of time needed to recharge the battery. ## Claims ### Claim 1 A battery management system (BMS) connected to a battery comprising: a battery status component configured to detect one or more parameters of the battery; a timer component configured to compute an amount of time needed to recharge the battery based on one or more of the parameters of the battery; a scheme initiation component configured to determine an optimal time to begin charging based on the amount of time needed to recharge the battery; a scheme selection component configured to select among a plurality of charging schemes; wherein the plurality of charging schemes comprising a normal charging scheme and an overcharging scheme, wherein the normal charging scheme allows the battery to be charged to a normal maximum voltage, wherein the overcharging scheme allows the battery to be charged to a voltage above the normal maximum voltage; and wherein the timer component is configured to compute a total amount of time required to recharge the battery under the overcharging scheme when the scheme selection component selects the overcharging scheme. ### Claim 2 (depends on 1) The BMS of claim 1, further comprising a usage projection component configured to determine an output requirement of the battery. ### Claim 3 (depends on 2) The BMS of claim 2, wherein the usage projection component is further configured to receive information to be used for determining the output requirement. ### Claim 4 (depends on 3) The BMS of claim 3, wherein the information comprises one or more of GPS data, user-generated data, transaction data, historical travel data, calendar data, real-time or historical traffic data, weather data, road condition data, media data, vehicle data, charging station location data, battery capacity data, and number-of-passenger data. ### Claim 5 (depends on 2) The BMS of claim 2, wherein the usage projection component is connected to sources comprising one or more of a temperature sensor, pressure sensor, weight sensor, passenger sensor, GPS system, HAVC system, online source, and mobile device. ### Claim 6 (depends on 1) The BMS of claim 1, wherein the scheme selection component is configured to select the overcharging scheme when it determines that the normal charging scheme is inadequate for an anticipated use of the battery. ### Claim 7 (depends on 1) The BMS of claim 1, wherein the timer component is further configured to estimate an amount of time the battery can sustain a voltage associated with the overcharging scheme. ### Claim 8 (depends on 7) The BMS of claim 7, wherein the scheme initiation component is configured to compute the optimal time using one or more of a departure time, total recharge time, and the estimated amount of time the battery can sustain the voltage associated with the overcharging scheme. ### Claim 9 (depends on 1) The BMS of claim 1, further comprising a charge shedding component configured to draw charge out of the battery. ### Claim 10 (depends on 9) The BMS of claim 9, wherein the charge shedding component is configured to draw charge when the battery is charged to an overcharge level and remain at the overcharge level for at least a tolerable hold time. ### Claim 11 (depends on 9) The BMS of claim 9, wherein the charge shedding component is configured to draw charge out of the battery by turning on one or more vehicle systems. ### Claim 12 (depends on 9) The BMS of claim 9, wherein the charge shedding component is configured to stop drawing charge out of the battery when the battery reaches a normal maximum level. ### Claim 13 A method of managing a battery comprising: detecting one or more parameters of the battery; computing an amount of time needed to recharge the battery based on one or more of the parameters of the battery; determining an optimal time to begin charging based on the amount of time needed to recharge the battery; selecting among a plurality of charging schemes comprising a normal charging scheme and an overcharging scheme, wherein the normal charging scheme allows the battery to be charged to a normal maximum voltage, wherein the overcharging scheme allows the battery to be charged to a voltage above the normal maximum voltage; and computing a total amount of time required to recharge the battery under the overcharging scheme when the overcharging scheme is selected. ### Claim 14 (depends on 13) The method of claim 13, further comprising initiating energy shedding when the battery is not used when anticipated.