JP6729460B2 - 車載バッテリの充電制御装置 - Google Patents
車載バッテリの充電制御装置 Download PDFInfo
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- 238000004364 calculation method Methods 0.000 claims description 75
- 230000008030 elimination Effects 0.000 claims description 39
- 238000003379 elimination reaction Methods 0.000 claims description 39
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 claims description 9
- 229910001416 lithium ion Inorganic materials 0.000 claims description 9
- 230000002441 reversible effect Effects 0.000 claims description 8
- 238000007599 discharging Methods 0.000 claims description 5
- 230000006866 deterioration Effects 0.000 description 39
- 230000002427 irreversible effect Effects 0.000 description 14
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 12
- 230000008021 deposition Effects 0.000 description 12
- 229910052744 lithium Inorganic materials 0.000 description 12
- 238000006243 chemical reaction Methods 0.000 description 5
- 210000004027 cell Anatomy 0.000 description 4
- 230000001172 regenerating effect Effects 0.000 description 4
- 230000007423 decrease Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000032683 aging Effects 0.000 description 2
- 230000012447 hatching Effects 0.000 description 2
- 238000010248 power generation Methods 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 210000001787 dendrite Anatomy 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000007774 positive electrode material Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000035882 stress Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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- B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
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- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
- H02J7/0034—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits using reverse polarity correcting or protecting circuits
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- H02J7/007188—Regulation of charging or discharging current or voltage the charge cycle being controlled or terminated in response to non-electric parameters
- H02J7/007192—Regulation of charging or discharging current or voltage the charge cycle being controlled or terminated in response to non-electric parameters in response to temperature
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- H02J7/14—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from dynamo-electric generators driven at varying speed, e.g. on vehicle
- H02J7/16—Regulation of the charging current or voltage by variation of field
- H02J7/24—Regulation of the charging current or voltage by variation of field using discharge tubes or semiconductor devices
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- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
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- B60L2240/00—Control parameters of input or output; Target parameters
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- B60L2240/547—Voltage
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B60L2240/00—Control parameters of input or output; Target parameters
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- H01M10/00—Secondary cells; Manufacture thereof
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- H01M10/425—Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
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- H01M10/425—Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
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- H02J2310/00—The network for supplying or distributing electric power characterised by its spatial reach or by the load
- H02J2310/40—The network being an on-board power network, i.e. within a vehicle
- H02J2310/48—The network being an on-board power network, i.e. within a vehicle for electric vehicles [EV] or hybrid vehicles [HEV]
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- H—ELECTRICITY
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- Microelectronics & Electronic Packaging (AREA)
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
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Description
Claims (4)
- 車両に搭載された、リチウムイオン二次電池からなるバッテリの充電制御を行う、車載バッテリの充電制御装置であって、
前記バッテリの充放電が行われていないときに、当該バッテリのSOC及び温度に基づいて可逆的な抵抗成分である放置抵抗増加率を求める放置抵抗増加率算出部と、
求められた前記放置抵抗増加率に基づいて、前記バッテリへの許容充電電流値を求める許容充電電流値算出部と、
を備える、車載バッテリの充電制御装置。 - 請求項1に記載の、車載バッテリの充電制御装置であって、
前記バッテリの充放電が行われているときに、当該バッテリの充放電に伴うSOC差及び温度に基づいて放置抵抗解消率を求める放置抵抗解消率算出部を備え、
前記許容充電電流値算出部は、前記放置抵抗増加率を、前記放置抵抗解消率に基づいて補正する、車載バッテリの充電制御装置。 - 請求項1に記載の、車載バッテリの充電制御装置であって、
前記バッテリのSOC及び温度と前記放置抵抗増加率との関係を示す第1対応関係が記憶され、前記放置抵抗増加率を求める際に前記放置抵抗増加率算出部により前記第1対応関係が参照される放置抵抗増加率記憶部を備え、
前記バッテリのSOCが所定の高SOC領域または所定の低SOC領域に含まれ、かつ、前記バッテリの温度が所定の第1高温領域に含まれる第1状態にあるときに、前記第1状態とは前記SOC及び温度の少なくとも一方が異なる状態と比較して、前記放置抵抗増加率が高くなるように前記第1対応関係が定められている、車載バッテリの充電制御装置。 - 請求項2に記載の、車載バッテリの充電制御装置であって、
前記バッテリのSOC差及び温度と前記放置抵抗解消率との関係を示す第2対応関係が記憶され、前記放置抵抗解消率を求める際に前記放置抵抗解消率算出部により前記第2対応関係が参照される放置抵抗解消率記憶部を備え、
前記バッテリの前記SOC差が所定の高SOC差領域に含まれ、かつ、前記バッテリの温度が所定の第2高温領域に含まれる第2状態にあるときに、前記第2状態とは前記SOC差及び温度の少なくとも一方が異なる状態と比較して、前記放置抵抗解消率が高くなるように前記第2対応関係が定められている、車載バッテリの充電制御装置。
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