There are several ways to get Lithium-Ion State of Charge (SoC) measurement or Depth of Discharge (DoD) for a lithium battery. An alternative form of the same measure is the depth of discharge (DoD), the inverse of SoC (100% = empty 0% = full). The units of SoC are percentage points (0% = empty 100% = full). State of charge (SoC) is the level of charge of an electric battery relative to its capacity. The nominal capacity is given by the manufacturer and represents the maximum amount of charge that can be stored in the battery. In general, the SOC of a battery is defined as the ratio of its current capacity () to the nominal capacity (). SOC is one of the most important parameters for batteries, but its definition presents many different issues. Results demonstrate a more than third-order of magnitude outperformance of the proposed system in terms of compression gain and computational efficiency while assuring an analogous SoC estimation precision.ĭefinition and Classification of SOC Estimation The devised system comparison is made with the traditional counterparts. The estimated SoC is calibrated by using an original event-driven Open Circuit Voltage (OCV) to SoC curve relation. Recent BMSs are becoming sophisticated and causes a higher consumption overhead on the battery. To assure an effective battery utilization and longer life, the battery management systems (BMS) are employed. The lithium-ion batteries are recurrently used in a variety of applications. 238000010277 constant-current charging Methods 0.Lithium-Ion State of Charge (SoC) measurement.229910052717 sulfur Inorganic materials 0.000 claims abstract description 18.238000007600 charging Methods 0.000 claims abstract description 28.-1 Lithium sulfur Chemical compound 0.000 title claims abstract description 13.Status Active legal-status Critical Current Anticipated expiration legal-status Critical Links ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: AURORA, PETER, DILEO, GREGORY, HAN, TAEHEE, HAO, XIAOGUANG, NIANGAR, ELLAZAR, YADAV, RAMESHWAR, OSHIHARA, KENZO, RAMASWAMY, NAGAPPAN Publication of US20160218522A1 publication Critical patent/US20160218522A1/en Application granted granted Critical Publication of US9866056B2 publication Critical patent/US9866056B2/en Assigned to NISSAN MOTOR CO., LTD. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.) Filing date Publication date Priority to US14/171,933 priority Critical patent/US9331364B2/en Application filed by Nissan North America Inc filed Critical Nissan North America Inc Priority to US15/087,257 priority patent/US9866056B2/en Assigned to NISSAN NORTH AMERICA, INC. Original Assignee Nissan North America Inc Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.) ( en Inventor Nagappan Ramaswamy Peter Aurora Gregory DiLeo Xiaoguang Hao Taehee Han Rameshwar Yadav Ellazar Niangar Kenzo OSHIHARA Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.) Active Application number US15/087,257 Other versions US20160218522A1 Google Patents Lithium sulfur battery pulse charging method and pulse waveformĭownload PDF Info Publication number US9866056B2 US9866056B2 US15/087,257 US201615087257A US9866056B2 US 9866056 B2 US9866056 B2 US 9866056B2 US 201615087257 A US201615087257 A US 201615087257A US 9866056 B2 US9866056 B2 US 9866056B2 Authority US United States Prior art keywords battery voltage lithium charge sulfur Prior art date Legal status (The legal status is an assumption and is not a legal conclusion. Google Patents US9866056B2 - Lithium sulfur battery pulse charging method and pulse waveform US9866056B2 - Lithium sulfur battery pulse charging method and pulse waveform
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