| ReturnTo Theme-Group-Choice | Onelevelup |
| 2G216 | TESTS OF ELECTRIC STATUS OF BATTERIES, ETC. | |
| G01R31/36 -31/396 | ||
| G01R31/36-31/396 | AA | AA00 PURPOSE |
AA01 | AA02 | AA03 | AA04 | AA05 | AA06 | AA07 | AA08 | AA09 | |
| . Prevention of overcharge or overdischarge | . Corresponding to large change in current or voltage | . Countermeasure to meet with the flat part of the OCV-SOC characteristics | . Setting or adjustment of the discharge end voltage | . Possible to examine the battery with load activated | . suppressing energy consumption for examinations | . Battery life elongation in examination | . Reuse of batteries | . Calibration of measuring instruments | ||||
| AB | AB00 USE |
AB01 | AB02 | AB03 | AB04 | AB05 | ||||||
| . Vehicle | . Chargers of vehicles | . Cellular phones or personal computers | . Uninterruptible power source | . Stationary storage battery | ||||||||
| BA | BA00 EXAMINATION OF STATUS OF BATTERIES |
BA01 | BA02 | BA03 | BA04 | BA05 | BA06 | BA07 | ||||
| . Deriving the state of charge (SOC) | . . Current integration method (SOC is derived from the integrated current) | . . Voltage method (SOC is derived from the open circuit voltage) | . . Deriving from charge and discharge curve | . . Deriving from internal resistance | . . Deriving from the specific weight of the electrolyte | . . Deriving from the battery model | ||||||
| BA12 | BA13 | BA14 | BA15 | BA16 | BA17 | BA18 | BA19 | BA20 | ||||
| . . Combination of different models | . . . Current integrating method and voltage method | . . . Switching different methods | . . . Calculating the results of different methods | . . Correction of the state of charge (SOC) | . . . Correction by temperature | . . . Correction by state of health (SOH) | . . . Correcting the state of charge when the current is 0. | . . . Self discharge | ||||
| BA21 | BA22 | BA23 | BA24 | BA25 | BA26 | BA27 | BA28 | BA29 | BA30 | |||
| . Deriving the state of health (SOH) | . . Deriving from the full charge capacity (FCC) | . . Deriving from the internal resistance | . . Deriving from amount of voltage drop | . . Deriving from the open circuit voltagestate of charge characteristics | . . Deriving from charge and discharge curve | . . Deriving from the deterioration rate | . . Deriving from overcharge or overdischarge state | . . Deriving from charge and discharge cycle | . . Deriving from operating time | |||
| BA32 | BA33 | BA34 | BA35 | |||||||||
| . . Deriving the minimum voltage at engine startup | . . Correction of the state of health (SOH) | . . . Correction by temperature | . . . Correction by state of charge (SOC) | |||||||||
| BA41 | BA42 | BA43 | BA44 | BA45 | BA46 | BA47 | BA48 | BA49 | ||||
| . Deriving the open circuit voltage (OCV) | . . Controlling the current to zero | . . Deriving the intersection of axes of the current-voltage characteristics | . . Deriving from the battery model | . . Deriving the state of charge (SOC) | . . Estimating the open circuit voltage from the voltage under load | . . Deriving the transient voltage after opening the circuit | . . . Speeding up of conversion | . . . Approximating the converging voltage variation | ||||
| BA51 | BA52 | BA53 | BA54 | BA55 | BA56 | BA57 | BA58 | BA59 | ||||
| . Deriving the internal resistance | . . Deriving the slope of the current-voltage characteristics | . . from votage change (Delta V)/vortage change (Delta I) | . . Deriving from the battery model | . . . Corresponding digital filter | . . . Alternate impedance method (Nyquist diagram) | . . deriving the polarization resistance | . . Correction of the internal resistance | . . . Correction by temperature | ||||
| BA61 | BA62 | BA63 | BA64 | BA65 | BA66 | BA67 | ||||||
| . deriving the full charge capacity (FCC) | . . New battery (FCC at the time of production of the battery) | . . Deteriorated battery (FCC when the battery is used) | . . Deriving by current integration | . . Full charge capacity (FCC) from the charge and discharge amount between the first state | . . Deriving from SOC characteristics | . . Deriving from internal resistance | ||||||
| BA71 | BA72 | |||||||||||
| . Deriving the state of power (SOP) | . . Correction of state of power (SOP) | |||||||||||
| BB | BB00 TESTING ABNORMALITY OF BATTERY |
BB01 | BB02 | BB03 | BB04 | BB05 | BB06 | BB07 | BB08 | BB09 | ||
| . Abnormality of battery cell | . . Short circuit (short) | . . Broken wire (open) | . . Wrong connection | . . Overvoltage or overcharge | . . Overdischarge | . . Abnormal internal resistance | . . Memory effect | . . Detection of abnormal cell | ||||
| BB11 | BB12 | BB13 | BB14 | BB15 | BB16 | BB17 | BB18 | |||||
| . Abnormality of wires or in monitoring circuit | . . Short circuit (short) | . . Broken wire (open) | . . Detection of abnormal part | . . Abnormality of current sensor | . . Abnormality of voltage sensor | . . Abnormality of temperature sensor | . . Abnormality of display device | |||||
| BB21 | BB22 | BB23 | BB24 | BB25 | ||||||||
| . Shipping inspection | . . Test of capacity | . . Self discharge test | . . Nail stinging test | . . Constant temperature test or acceleration (aging) test | ||||||||
| CA | CA00 TEST TIMING |
CA01 | CA02 | CA03 | CA04 | CA05 | CA06 | CA07 | CA08 | CA09 | ||
| . During a charge | . . During a charge with constant current | . . During charge with constant voltage | . During discharge | . . During discharge with constant current | . . At engine startup | . At the end of charge or discharge | . . After full charge | . . Discharge until discharge end voltage | ||||
| CA11 | CA12 | |||||||||||
| . During relaxation time | . . During temporal stop of a vehicle (idling stop) | |||||||||||
| CB | CB00 PROCESS AT INSPECTION |
CB01 | CB02 | CB03 | CB04 | CB05 | CB06 | CB07 | ||||
| . Detecting type of battery | . Detecting the replacement of a battery | . Detecting the change in characteristics | . Deriving the charge and discharge characteristics | . Charge and discharge characteristics of positive and negative electrode | . Judgment of charge and discharge | . Hysteresis characteristics at charge and discharge | ||||||
| CB11 | CB12 | CB13 | CB14 | CB15 | CB17 | CB18 | CB19 | |||||
| . Battery model | . . Equivalent circuit | . . Estimating parameter | . . . Corresponding digital filter | . . . Nyquist diagram | . Correction of scattering of voltage (equalization of cell voltage) | . Correction of scattering of the state of charge (SOC) | . Correction of scattering of the state of health (SOH) | |||||
| CB21 | CB22 | CB23 | CB24 | CB25 | CB26 | CB27 | ||||||
| . Mode | . . Testing mode | . . Energy save mode | . . Charging mode | . . . Rapid charging mode | . . Mode switching | . . Detecting the mode of the device (operation state) | ||||||
| CB31 | CB32 | CB33 | CB34 | CB35 | ||||||||
| . Recording of battery information | . . Recording of initial information | . . . Recording of battery rating | . . . Recording of battery characteristics | . . Recording of use history | ||||||||
| CB41 | CB42 | CB44 | CB45 | CB46 | CB47 | CB48 | ||||||
| . Cancellation of polarization | . Finding the polarizing amount | . Pulse current | . Dark current | . Discharge to pseudo-load | . Average of multiple cells | . Representation of multiple cells | ||||||
| CB51 | CB52 | CB53 | CB54 | CB55 | ||||||||
| . Calculation means | . . Function approximation | . . Fourier transformation | . . A/D or D/A transformation | . . Comparison | ||||||||
| CC | CC00 CONFIGURATION |
CC01 | CC02 | CC03 | CC04 | CC05 | CC06 | |||||
| . Combination of batteries of different types | . Monitoring circuit | . . Daisy-chain connection | . . Master and slave monitoring device | . Protection circuit | . Wireless communication | |||||||
| CD | CD00 DISPLAY OR WARNING |
CD01 | CD02 | CD03 | CD04 | CD05 | ||||||
| . Display or warning of the state of charge (SOC) | . . Display or warning immediately before finishing the discharge | . Display or warning of the state of health (SOH) | . . Display or warning immediately before the end of battery life | . Display or warning of abnormality |